ÒωÓ [Furs]

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Antarctica

Advent of Pwn

12 / 12 64 / 566

Day 01

Time of First Successful Submission: 2026-07-19 16:53:33

Day 02

Time of First Successful Submission: 2026-07-19 16:53:54

Day 03

Time of First Successful Submission: 2026-07-19 17:05:06

Day 04

Time of First Successful Submission: 2026-07-19 16:57:24

Day 05

Time of First Successful Submission: 2026-07-19 16:57:45

Day 06

Time of First Successful Submission: 2026-07-19 16:58:03

Day 07

Time of First Successful Submission: 2026-07-19 16:58:25

Day 08

Time of First Successful Submission: 2026-07-19 16:58:41

Day 09

Time of First Successful Submission: 2026-07-19 16:59:01

Day 10

Time of First Successful Submission: 2026-07-19 16:59:18

Day 11

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Day 12

Time of First Successful Submission: 2026-07-19 16:59:56

Cryptographic Exploitation

59 / 59 1 / 531

Language Barrier

Time of First Successful Submission: 2026-06-12 20:56:43

Baby Steps

Time of First Successful Submission: 2026-06-12 20:58:00

Roman Cryptography

Time of First Successful Submission: 2026-06-12 20:58:16

Obscura

Time of First Successful Submission: 2026-06-12 20:58:31

XOR

Time of First Successful Submission: 2026-06-12 20:58:48

XOR 2.0

Time of First Successful Submission: 2026-06-12 20:59:04

Modular Arithmetic

Time of First Successful Submission: 2026-06-12 20:59:23

Modular Inverse

Time of First Successful Submission: 2026-06-12 20:59:40

Chinese Remainder Theorem

Time of First Successful Submission: 2026-06-12 20:59:56

Fermat Theorem

Time of First Successful Submission: 2026-06-12 21:00:11

Final Boss

Time of First Successful Submission: 2026-06-12 21:00:27

CBC Mode Me

Time of First Successful Submission: 2026-06-12 21:00:45

Curfuffle

Time of First Successful Submission: 2026-06-12 21:01:09

Curfuffle 2

Time of First Successful Submission: 2026-06-12 21:01:26

Curfuffle 3

Time of First Successful Submission: 2026-06-12 21:01:41

Blinding

Time of First Successful Submission: 2026-06-12 21:01:59

meddlingmiddle

Time of First Successful Submission: 2026-06-12 21:02:14

Wiener

Time of First Successful Submission: 2026-06-12 21:02:30

SHA3-256

Time of First Successful Submission: 2026-06-12 21:02:50

SHAKE256

Time of First Successful Submission: 2026-06-12 21:03:07

Preimage Resistance

Time of First Successful Submission: 2026-06-12 21:03:22

Collision Resistance

Time of First Successful Submission: 2026-06-12 21:03:37

Length Extension

Time of First Successful Submission: 2026-06-12 21:03:53

CBC-MAC

Time of First Successful Submission: 2026-06-12 21:04:08

CBC-MAC with Random IV

Time of First Successful Submission: 2026-06-12 21:04:24

CBC-MAC Length Extension

Time of First Successful Submission: 2026-06-12 21:04:40

Weak HMAC Keys

Time of First Successful Submission: 2026-06-12 21:04:57

John Alderson

Time of First Successful Submission: 2026-06-12 21:05:21

Larry Sims

Time of First Successful Submission: 2026-06-12 21:05:37

Don Halpin

Time of First Successful Submission: 2026-06-12 21:05:55

Seed warmup

Time of First Successful Submission: 2026-06-12 21:06:15

Leaky LCG I

Time of First Successful Submission: 2026-06-12 21:06:33

Leaky LCG II

Time of First Successful Submission: 2026-06-12 21:11:42

Leaky LCG III

Time of First Successful Submission: 2026-06-12 21:07:06

Lockpick LCG I

Time of First Successful Submission: 2026-06-12 21:07:23

Lockpick LCG II

Time of First Successful Submission: 2026-06-12 21:07:41

Seed warmup

Time of First Successful Submission: 2026-06-12 21:07:58

XOR-cist I

Time of First Successful Submission: 2026-06-12 21:08:13

XOR-cist II

Time of First Successful Submission: 2026-06-12 21:08:31

XOR-cist III

Time of First Successful Submission: 2026-06-12 21:08:48

Baby Gauss

Time of First Successful Submission: 2026-06-12 21:09:09

level1

Time of First Successful Submission: 2026-06-12 21:09:24

level2

Time of First Successful Submission: 2026-06-12 21:09:40

level3

Time of First Successful Submission: 2026-06-12 21:09:57

level4

Time of First Successful Submission: 2026-06-12 21:10:18

level5

Time of First Successful Submission: 2026-06-12 21:10:35

Baby LLL

Time of First Successful Submission: 2026-06-12 21:10:51

level7

Time of First Successful Submission: 2026-06-12 21:11:08

coppersmith1

Time of First Successful Submission: 2026-06-12 21:11:23

ECC Addition hidden — you can see this because you are this dojo's administrator

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Scalar Multiplication hidden — you can see this because you are this dojo's administrator

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Intro to Signatures hidden — you can see this because you are this dojo's administrator

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Silly Signer hidden — you can see this because you are this dojo's administrator

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ECDH hidden — you can see this because you are this dojo's administrator

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ECC ElGamal hidden — you can see this because you are this dojo's administrator

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The Smoothest hidden — you can see this because you are this dojo's administrator

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Schnorr's Identification Protocol hidden — you can see this because you are this dojo's administrator

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Deja-Prouve hidden — you can see this because you are this dojo's administrator

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Sudoku Grandmaster hidden — you can see this because you are this dojo's administrator

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Demo dojo

1 / 17 19 / 19

Intro to Programming Languages

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Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-07-16 21:35:12

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2026-07-16 21:35:27

Lecture 1.2. Linux Shells

Time of First Successful Submission: 2026-07-16 21:35:44

Lecture 1.3. Linux File System

Time of First Successful Submission: 2026-07-16 21:36:01

Lecture 1.4. Executing Programs

Time of First Successful Submission: 2026-07-16 21:36:20

Lecture 1.5. Common Commands

Time of First Successful Submission: 2026-07-16 21:36:35

Lab 1.5.2 - Using ls and cd

Time of First Successful Submission: 2026-07-16 23:02:18

Lab 1.5.3 - Using grep

Time of First Successful Submission: 2026-07-16 21:40:01

Lecture 1.6. Redirection of I/O

Time of First Successful Submission: 2026-07-16 21:40:17

Lab 1.6 - Using grep and pipe

Time of First Successful Submission: 2026-07-16 21:40:32

Lecture 1.7. Regular Expressions

Time of First Successful Submission: 2026-07-16 21:40:46

Lecture 1.8. Misc Linux

Time of First Successful Submission: 2026-07-16 21:41:01

Lecture 1.9. Testing Code on pwn.college

Time of First Successful Submission: 2026-07-16 21:41:18

Lab 1.9 - Test some If Statements

Time of First Successful Submission: 2026-07-16 21:41:34

P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2026-07-16 21:41:56

Commands

Time of First Successful Submission: 2026-07-16 21:42:12

Command Arguments

Time of First Successful Submission: 2026-07-16 21:42:27

Command History

Time of First Successful Submission: 2026-07-16 21:42:43

The Root Path

Time of First Successful Submission: 2026-07-16 21:42:59

Absolute Paths

Time of First Successful Submission: 2026-07-16 21:43:17

Changing position

Time of First Successful Submission: 2026-07-16 21:43:32

Changing to an Absolute Path

Time of First Successful Submission: 2026-07-16 21:43:47

Relative Paths

Time of First Successful Submission: 2026-07-16 21:44:02

P1.0 Level 5 read

Time of First Successful Submission: 2026-07-16 21:44:18

Cat

Time of First Successful Submission: 2026-07-16 21:44:33

Ls

Time of First Successful Submission: 2026-07-16 21:44:48

Ls All

Time of First Successful Submission: 2026-07-16 23:05:29

P1.0 Level 2 list dir

Time of First Successful Submission: 2026-07-16 21:48:14

Find

Time of First Successful Submission: 2026-07-16 23:10:47

P1.0 Level 3 change dir

Time of First Successful Submission: 2026-07-16 21:51:39

P1.0 Level 4 move

Time of First Successful Submission: 2026-07-16 23:12:24

P1.0 Level 6 grep

Time of First Successful Submission: 2026-07-16 21:55:05

P1.0 Level 7 execute

Time of First Successful Submission: 2026-07-16 21:55:23

Piping Echo

Time of First Successful Submission: 2026-07-16 21:55:39

Piping Stdout

Time of First Successful Submission: 2026-07-16 21:55:54

Piping Stdin

Time of First Successful Submission: 2026-07-16 21:56:09

P1.0 Level 8 stdin

Time of First Successful Submission: 2026-07-16 21:56:27

P1.0 Level 9 pipe

Time of First Successful Submission: 2026-07-16 21:56:43

P1.0 Level 10 args

Time of First Successful Submission: 2026-07-16 21:56:59

P1.0 Level 11 gccpipe

Time of First Successful Submission: 2026-07-16 21:57:16

P1.0 Level 12 speedy

Time of First Successful Submission: 2026-07-16 21:57:34

P1.0 Level 13 testing

Time of First Successful Submission: 2026-07-16 21:57:51

P1.0 Level 14 ifs test

Time of First Successful Submission: 2026-07-16 21:58:08

Lecture 2.1.1.0 Paradigms and C

Time of First Successful Submission: 2026-07-16 21:58:26

Lecture 2.1.2. First C Program and Vars

Time of First Successful Submission: 2026-07-16 21:58:42

Lecture 2.1.2.1. Standard Output

Time of First Successful Submission: 2026-07-16 21:58:58

Lecture 2.1.2.2. Standard In

Time of First Successful Submission: 2026-07-16 21:59:13

Lab 2.1.2.1 - C Input

Time of First Successful Submission: 2026-07-16 21:59:29

Lecture 2.1.2.3. Flow Control & Command Line Arguments

Time of First Successful Submission: 2026-07-16 21:59:44

EzLab 2.1.2.3 - Control Flow

Time of First Successful Submission: 2026-07-16 22:00:00

Lecture 2.1.3.0 Dec & Def Functions

Time of First Successful Submission: 2026-07-16 22:00:16

Lecture 2.1.3.1. Globals & Locals

Time of First Successful Submission: 2026-07-16 22:00:31

Lecture 2.1.3.2. Function Params and Ret Vals

Time of First Successful Submission: 2026-07-16 22:00:47

EzLab 2.1.3.2 Pass by Value

Time of First Successful Submission: 2026-07-16 22:01:04

Lab 2.1.3.1 - Functions

Time of First Successful Submission: 2026-07-16 22:01:20

Lecture 2.1.4. Global and Local Memory

Time of First Successful Submission: 2026-07-16 22:01:35

Lecture 2.1.4.1. Function Frames

Time of First Successful Submission: 2026-07-16 22:01:50

Lecture 2.1.5. Debugging C Programs

Time of First Successful Submission: 2026-07-16 22:02:05

Lab 2.1.5.1 - Using VSCode Debugger

Time of First Successful Submission: 2026-07-16 22:02:21

P2.1 Level 01 C Force

Time of First Successful Submission: 2026-07-16 22:02:41

P2.1 Level 02 C Args

Time of First Successful Submission: 2026-07-16 22:02:57

P2.1 Level 03 scanf

Time of First Successful Submission: 2026-07-16 22:03:13

P2.1 Level 04 getchar

Time of First Successful Submission: 2026-07-16 22:03:29

P2.1 Level 05 add-n-sub

Time of First Successful Submission: 2026-07-16 22:03:46

P2.1 Level 06 debug me

Time of First Successful Submission: 2026-07-16 22:04:02

Lecture 2.2.1.1. C-Arrays

Time of First Successful Submission: 2026-07-16 22:04:20

Lecture 2.2.2. C-Strings

Time of First Successful Submission: 2026-07-16 22:04:35

Lab 2.2.2.0 - Print C-String by Character

Time of First Successful Submission: 2026-07-16 22:04:52

Lab 2.2.2.1 - Debugging with Seg Faults

Time of First Successful Submission: 2026-07-16 22:05:08

Lecture 2.2.3.1. Input to String

Time of First Successful Submission: 2026-07-16 22:05:25

Lecture 2.2.3.2 Using fgets

Time of First Successful Submission: 2026-07-16 22:05:40

Lecture 2.2.3.3. Input Buffer

Time of First Successful Submission: 2026-07-16 22:05:56

Lecture 2.2.4. File operations

Time of First Successful Submission: 2026-07-16 22:06:13

Lab 2.2.4.1 - LeeT CaSe

Time of First Successful Submission: 2026-07-16 22:06:30

Lecture 2.2.5.1. strlen

Time of First Successful Submission: 2026-07-16 22:06:45

EzLab 2.2.5.1 - String Length (strlen)

Time of First Successful Submission: 2026-07-16 22:07:01

Lecture 2.2.5.2. strcat

Time of First Successful Submission: 2026-07-16 22:07:17

EzLab 2.2.5.2 - String Concatenate (strcat)

Time of First Successful Submission: 2026-07-16 22:07:33

Lecture 2.2.5.3. strcmp

Time of First Successful Submission: 2026-07-16 22:07:49

EzLab 2.2.5.3 - String Compare (strcmp)

Time of First Successful Submission: 2026-07-16 22:08:05

Lecture 2.2.5.4. strcpy

Time of First Successful Submission: 2026-07-16 22:08:22

EzLab 2.2.5.4 - String Copy (strcpy/strncpy)

Time of First Successful Submission: 2026-07-16 22:08:37

Lecture 2.2.5.6. strspn

Time of First Successful Submission: 2026-07-16 22:08:52

Lab 2.2.5.6 - String Highlighter

Time of First Successful Submission: 2026-07-16 22:09:08

P2.2 Level 01 length

Time of First Successful Submission: 2026-07-16 22:09:29

P2.2 Level 02 c-cat

Time of First Successful Submission: 2026-07-16 22:09:44

P2.2 Level 03 c-copy

Time of First Successful Submission: 2026-07-16 22:10:00

P2.2 Level 04 c-compare

Time of First Successful Submission: 2026-07-16 22:10:17

P2.2 Level 05 c-up

Time of First Successful Submission: 2026-07-16 22:10:34

P2.2 Level 06 c-bugs

Time of First Successful Submission: 2026-07-16 22:10:50

P2.2 Level 07 c-debugger

Time of First Successful Submission: 2026-07-16 22:11:05

P2.2 Level 08 c-debugger2

Time of First Successful Submission: 2026-07-16 22:11:22

P2.2 Level 09 c-grind

Time of First Successful Submission: 2026-07-16 22:11:39

Lecture 2.3.1. Stack pointers

Time of First Successful Submission: 2026-07-16 22:11:58

Lab 2.3.1.0 - Print Non-printable Chars

Time of First Successful Submission: 2026-07-16 22:12:14

Lecture 2.3.2.0 Examples Single Value

Time of First Successful Submission: 2026-07-16 22:12:31

Lecture 2.3.2.1. Examples of Ptr to Array

Time of First Successful Submission: 2026-07-16 22:12:46

EzLab 2.3.2.1 - Character Pointers

Time of First Successful Submission: 2026-07-16 22:13:02

EzLab 2.3.2.1 - C-String Pointers

Time of First Successful Submission: 2026-07-16 22:13:18

Lecture 2.3.3.1. strstr video

Time of First Successful Submission: 2026-07-16 22:13:33

EzLab 2.3.3.1 - Find str in str (strstr)

Time of First Successful Submission: 2026-07-16 22:13:49

Lab 2.3.3.1 - Find Word Count

Time of First Successful Submission: 2026-07-16 22:14:05

Lecture 2.3.3.2. strtok video

Time of First Successful Submission: 2026-07-16 22:14:20

EzLab 2.3.3.2 - Get tokens (strtok)

Time of First Successful Submission: 2026-07-16 22:14:36

Lab 2.3.3.2 - Word Count

Time of First Successful Submission: 2026-07-16 22:14:54

Lecture 2.3.3.3. strchr video

Time of First Successful Submission: 2026-07-16 22:15:09

Lecture 2.3.3.4. memset

Time of First Successful Submission: 2026-07-16 22:15:24

P2.3 Level 01 Pig Latin

Time of First Successful Submission: 2026-07-16 22:16:09

P2.3 Level 02 Pig Latin

Time of First Successful Submission: 2026-07-16 22:16:26

P2.3 Level 03 Pig Latin

Time of First Successful Submission: 2026-07-16 22:16:43

P2.3 Level 04 Pig Latin

Time of First Successful Submission: 2026-07-16 22:17:01

Lecture 2.4.1.1. struct into

Time of First Successful Submission: 2026-07-16 22:17:20

EzLab 2.4.1.1 - Using a struct

Time of First Successful Submission: 2026-07-16 22:17:35

Lecture 2.4.1.4. string to struct

Time of First Successful Submission: 2026-07-16 22:17:50

EzLab 2.4.1.4 - Struct from string

Time of First Successful Submission: 2026-07-16 22:18:06

Lecture 2.4.1.5. array of struct

Time of First Successful Submission: 2026-07-16 22:18:21

Lab 2.4.1.5 - Songs List

Time of First Successful Submission: 2026-07-16 22:18:38

Lecture 2.4.1.6. enum

Time of First Successful Submission: 2026-07-16 22:18:53

Lecture 2.4.2.1. C preprocessor

Time of First Successful Submission: 2026-07-16 22:19:08

EzLab 2.4.2.1 - C Preprocessor

Time of First Successful Submission: 2026-07-16 22:19:24

Lecture 2.4.2.2. Header files

Time of First Successful Submission: 2026-07-16 22:19:39

Lecture 2.4.2.6. Makefile

Time of First Successful Submission: 2026-07-16 22:19:54

EzLab 2.4.2.6 - Makefiles

Time of First Successful Submission: 2026-07-16 22:20:11

Lab 2.4.2.6 - Make Songs

Time of First Successful Submission: 2026-07-16 22:20:27

Lab 2.4.2.6 - Filter Songs

Time of First Successful Submission: 2026-07-16 22:20:43

Lecture 2.5.1.3. the heap

Time of First Successful Submission: 2026-07-16 22:21:01

Lecture 2.5.1.4. malloc an int

Time of First Successful Submission: 2026-07-16 22:21:16

Lecture 2.5.1.5. create a heap based array

Time of First Successful Submission: 2026-07-16 22:21:31

Lecture 2.5.1.6. free the heap

Time of First Successful Submission: 2026-07-16 22:21:45

EzLab 2.5.1.6 Heap

Time of First Successful Submission: 2026-07-16 22:22:02

Lab 2.5.1.6 - Stack on Heap

Time of First Successful Submission: 2026-07-16 22:22:19

Lecture 2.5.2.1. realloc

Time of First Successful Submission: 2026-07-16 22:22:33

Lecture 2.5.2.2. getline

Time of First Successful Submission: 2026-07-16 22:22:47

Lecture 2.5.2.3. strdup

Time of First Successful Submission: 2026-07-16 22:23:03

Lecture 2.5.2.4. struct malloc

Time of First Successful Submission: 2026-07-16 22:23:18

EzLab 2.5.2.4 Heap Based Array

Time of First Successful Submission: 2026-07-16 22:23:33

Lab 2.5.2.4 - Paging Songs

Time of First Successful Submission: 2026-07-16 22:23:53

P2.5 Level 01 Get Maxxed

Time of First Successful Submission: 2026-07-16 22:24:15

P2.5 Level 02 Load up those items

Time of First Successful Submission: 2026-07-16 22:24:32

P2.5 Level 03 Load the Rooms

Time of First Successful Submission: 2026-07-16 22:24:49

P2.5 Level 04 Free your mind

Time of First Successful Submission: 2026-07-16 22:25:06

P2.5 Level 05 Show me your room

Time of First Successful Submission: 2026-07-16 22:25:23

P2.5 Level 06 Moving Around

Time of First Successful Submission: 2026-07-16 22:25:40

P2.5 Level 07 Getting Items and Player's Inventory

Time of First Successful Submission: 2026-07-16 22:25:57

P2.5 Level 08 Dropping Items and Looking

Time of First Successful Submission: 2026-07-16 22:26:14

Lecture 2.6.1. Double Ptr Local

Time of First Successful Submission: 2026-07-16 22:26:32

Lecture 2.6.1.1. Double Ptr Heap

Time of First Successful Submission: 2026-07-16 22:26:47

Lecture 2.6.1.2. Triple Ptr Local

Time of First Successful Submission: 2026-07-16 22:27:02

Lecture 2.6.2.2. Pass-By-Address

Time of First Successful Submission: 2026-07-16 22:27:18

EzLab 2.6.2.2 Pass By Address

Time of First Successful Submission: 2026-07-16 22:27:46

Lecture 2.6.2.3. PBA - Double Ptrs

Time of First Successful Submission: 2026-07-16 22:28:01

Lecture 2.7.1.2. Array lists

Time of First Successful Submission: 2026-07-16 22:28:16

Lecture 2.7.1.3. Array lists insert and remove

Time of First Successful Submission: 2026-07-16 22:28:31

Lecture 2.7.2.0 Linked List

Time of First Successful Submission: 2026-07-16 22:28:48

Lecture 2.7.2.1. Linked List Insert at End

Time of First Successful Submission: 2026-07-16 22:29:03

Lecture 2.7.2.2. Linked List Insert at

Time of First Successful Submission: 2026-07-16 22:29:18

Lecture 2.7.2.3. Linked List Remove

Time of First Successful Submission: 2026-07-16 22:29:34

Lecture 2.7.2.4. Array list v. Linked List

Time of First Successful Submission: 2026-07-16 22:29:48

Lab 2.7.2.4a - Linked List Songs

Time of First Successful Submission: 2026-07-16 22:30:04

Lab 2.7.2.4b - LL Paging

Time of First Successful Submission: 2026-07-16 22:30:20

Lecture 3.1.1. OO Paradigm

Time of First Successful Submission: 2026-07-16 22:30:38

Lecture 3.1.2.1. Differences

Time of First Successful Submission: 2026-07-16 22:30:54

Lecture 3.1.2.2. Buffer and Files

Time of First Successful Submission: 2026-07-16 22:31:09

Lab 3.1.2.2 - Creating Objects from JSON

Time of First Successful Submission: 2026-07-16 22:31:25

Lecture 3.1.3. Classes

Time of First Successful Submission: 2026-07-16 22:31:40

EzLab 3.1.3.0 Classes & Objects

Time of First Successful Submission: 2026-07-16 22:31:56

Lecture 3.2.1. Inheritance introduction

Time of First Successful Submission: 2026-07-16 22:32:15

Lecture 3.2.2. Concrete Classes

Time of First Successful Submission: 2026-07-16 22:32:30

Lecture 3.2.2.1. Abstract Classes

Time of First Successful Submission: 2026-07-16 22:32:47

Lecture 3.2.2.2. Working with inherited classes

Time of First Successful Submission: 2026-07-16 22:33:02

EzLab 3.2.2.2 Inheritance

Time of First Successful Submission: 2026-07-16 22:33:19

Lecture 3.2.4. Header and c++ Files

Time of First Successful Submission: 2026-07-16 22:33:35

P3.2 Level 01 Get Data

Time of First Successful Submission: 2026-07-16 22:33:54

P3.2 Level 02 Create the Shop

Time of First Successful Submission: 2026-07-16 22:34:11

P3.2 Level 03 Shop Interface

Time of First Successful Submission: 2026-07-16 22:34:29

P3.2 Level 04 Buy

Time of First Successful Submission: 2026-07-16 22:34:46

P3.2 Level 05 Search

Time of First Successful Submission: 2026-07-16 22:35:04

P3.2 Level 06 Multi-store

Time of First Successful Submission: 2026-07-16 22:35:22

P3.2 Level 07 Search-Buy

Time of First Successful Submission: 2026-07-16 22:35:39

Lecture 3.3.1.2. Templated Types

Time of First Successful Submission: 2026-07-16 22:35:57

Lecture 3.3.2.1. STL Pairs and Vectors

Time of First Successful Submission: 2026-07-16 22:36:11

Lecture 3.3.2.2. STL Map

Time of First Successful Submission: 2026-07-16 22:36:25

Lecture 3.3.3. Smart Pointers

Time of First Successful Submission: 2026-07-16 22:36:42

Lecture 3.3.4.1. Pass by Reference

Time of First Successful Submission: 2026-07-16 22:36:57

Lecture 3.3.4.2. Operator Overloading

Time of First Successful Submission: 2026-07-16 22:37:11

Lecture 3.3.4.3. Friend keyword

Time of First Successful Submission: 2026-07-16 22:37:26

P3.3 Level 01 Integrate and Load

Time of First Successful Submission: 2026-07-16 22:37:50

P3.3 Level 02 Load Team

Time of First Successful Submission: 2026-07-16 22:38:15

P3.3 Level 03 Remove and Add

Time of First Successful Submission: 2026-07-16 22:38:37

P3.3 Level 04 Battle

Time of First Successful Submission: 2026-07-16 22:38:59

P3.3 Level 05 Challenge the Trainers

Time of First Successful Submission: 2026-07-16 22:39:22

EC 3.3 Level 01 Derek

Time of First Successful Submission: 2026-07-16 22:39:48

EC 3.3 Level 02 Sri

Time of First Successful Submission: 2026-07-16 22:40:09

EC 3.3 Level 03 Daniel10015

Time of First Successful Submission: 2026-07-16 22:40:31

EC 3.3 Level 04 Sayhilel

Time of First Successful Submission: 2026-07-16 22:40:53

EC 3.3 Level 05 Mai

Time of First Successful Submission: 2026-07-16 22:41:15

EC 3.3 Level 06 Memory Mastermind

Time of First Successful Submission: 2026-07-16 22:41:37

EC 3.3 Level 07 Jenna

Time of First Successful Submission: 2026-07-16 22:41:59

EC 3.3 Level 08 Prad

Time of First Successful Submission: 2026-07-16 22:42:21

EC 3.3 Level 09 Jared

Time of First Successful Submission: 2026-07-16 22:42:45

EC 3.3 Level 10 Sidharth

Time of First Successful Submission: 2026-07-16 22:43:08

EC 3.3 Level 11 Jay

Time of First Successful Submission: 2026-07-16 22:43:31

EC 3.3 Level 12 Tricky Mystic

Time of First Successful Submission: 2026-07-16 22:43:53

Lecture 3.4.1.0 BFS 1

Time of First Successful Submission: 2026-07-16 22:44:13

Lecture 3.4.1.1. BFS 2

Time of First Successful Submission: 2026-07-16 22:44:29

EzLab 3.4.1.1 BFS in a Matrix

Time of First Successful Submission: 2026-07-16 22:44:45

Lecture 3.4.2.0 Min Heap 1

Time of First Successful Submission: 2026-07-16 22:45:00

Lecture 3.4.2.1. Min Heap Insert

Time of First Successful Submission: 2026-07-16 22:45:17

Lecture 3.4.2.2. Min Heap Delete

Time of First Successful Submission: 2026-07-16 22:45:34

Lecture 3.4.2.3. Min Heap in Array

Time of First Successful Submission: 2026-07-16 22:45:49

Lecture 3.4.2.4. Min Heap in Arr Insert

Time of First Successful Submission: 2026-07-16 22:46:05

EC3.4 Level 01 - MUD Driver 1

Time of First Successful Submission: 2026-07-16 22:46:25

EC3.4 Level 02 - MUD Driver

Time of First Successful Submission: 2026-07-16 22:46:42

Lecture 4.1.1. Functional Programming Paradigm

Time of First Successful Submission: 2026-07-16 22:47:01

Lecture 4.1.1.2. Why Functional Language

Time of First Successful Submission: 2026-07-16 22:47:19

Lecture 4.1.2.1. Scheme Intro Part 1

Time of First Successful Submission: 2026-07-16 22:47:34

Lecture 4.1.2.2. Scheme Intro Part 2

Time of First Successful Submission: 2026-07-16 22:47:49

Lecture 4.1.2.3. Math Operations in Scheme

Time of First Successful Submission: 2026-07-16 22:48:04

Lecture 4.1.2.4. Predicates and Types

Time of First Successful Submission: 2026-07-16 22:48:19

Lecture 4.1.3.1. Conditionals

Time of First Successful Submission: 2026-07-16 22:48:33

Lab 4.1 - Hello

Time of First Successful Submission: 2026-07-16 22:48:51

Lecture 4.2.1.1. Functions

Time of First Successful Submission: 2026-07-16 22:49:10

Lab 4.2.1 - String Info

Time of First Successful Submission: 2026-07-16 22:49:27

Lecture 4.2.2. List Operations

Time of First Successful Submission: 2026-07-16 22:49:42

Lecture 4.2.2.1. Recursion

Time of First Successful Submission: 2026-07-16 22:49:58

Lecture 4.2.3. Higher Order Functions

Time of First Successful Submission: 2026-07-16 22:50:13

Lab 4.2.2 - String Mangler

Time of First Successful Submission: 2026-07-16 22:50:32

Lab 4.2.3 - Damage Calculator

Time of First Successful Submission: 2026-07-16 22:50:48

P4.2 Level 01 String Info

Time of First Successful Submission: 2026-07-16 22:51:08

P4.2 Level 02 FF Attack Calc

Time of First Successful Submission: 2026-07-16 22:51:25

P4.2 Level 03 FF Base Dmg Calc

Time of First Successful Submission: 2026-07-16 22:51:43

P4.2 Level 04 Factorial 2.0

Time of First Successful Submission: 2026-07-16 22:51:59

P4.2 Level 05 Get Fourthy

Time of First Successful Submission: 2026-07-16 22:52:15

P4.2 Level 06 Filtering My Char Out

Time of First Successful Submission: 2026-07-16 22:52:31

Lecture 5.1.1.1 Introduction to Prolog

Time of First Successful Submission: 2026-07-16 22:52:50

Lecture 5.1.2.3 Facts

Time of First Successful Submission: 2026-07-16 22:53:05

Lecture 5.1.2.4 Rules

Time of First Successful Submission: 2026-07-16 22:53:21

Lecture 5.1.2.6 Searching for a Solution

Time of First Successful Submission: 2026-07-16 22:53:36

Lab 5.1.2 - Romeo and Juliet's Love

Time of First Successful Submission: 2026-07-16 22:53:53

Lecture 5.1.3.1 Operators

Time of First Successful Submission: 2026-07-16 22:54:09

Lab 5.1.3a - List Females and Males using listing

Time of First Successful Submission: 2026-07-16 22:54:25

Lab 5.1.3b - Iffy Queries

Time of First Successful Submission: 2026-07-16 22:54:41

Lecture 5.2.1.1 Recursion

Time of First Successful Submission: 2026-07-16 22:54:57

Lecture 5.2.1.2 Recursive Rules

Time of First Successful Submission: 2026-07-16 22:55:16

Lecture 5.2.1.3 Graphs

Time of First Successful Submission: 2026-07-16 22:55:32

Lecture 5.2.1.3 Map Coloring

Time of First Successful Submission: 2026-07-16 22:55:47

Lab 5.2.1.1 - ancestors

Time of First Successful Submission: 2026-07-16 22:56:03

Lecture 5.2.1.3 Map Coloring

Time of First Successful Submission: 2026-07-16 22:56:18

Lecture 5.2.1.3 Coin Machine

Time of First Successful Submission: 2026-07-16 22:56:34

Lecture 5.2.1.3 Sort Example

Time of First Successful Submission: 2026-07-16 22:56:51

Lecture 5.2.2.4 Other Examples

Time of First Successful Submission: 2026-07-16 22:57:06

Lab 5.2.2 - List people using findall

Time of First Successful Submission: 2026-07-16 22:57:24

P50 Level 01 - State Coloring

Time of First Successful Submission: 2026-07-16 22:57:43

Windows Warzone

17 / 17 14 / 270

level1

Time of First Successful Submission: 2026-06-15 19:01:30

level2

Time of First Successful Submission: 2026-06-15 19:02:04

level3

Time of First Successful Submission: 2026-06-15 19:02:21

level4

Time of First Successful Submission: 2026-06-15 19:02:38

level5

Time of First Successful Submission: 2026-06-15 19:02:55

level6

Time of First Successful Submission: 2026-06-15 19:03:13

level7

Time of First Successful Submission: 2026-06-15 19:03:29

Cookie Monster 1

Time of First Successful Submission: 2026-06-15 19:03:47

The Humble Calculator

Time of First Successful Submission: 2026-06-15 19:04:07

Hello World

Time of First Successful Submission: 2026-06-15 19:04:25

Alloc For What?

Time of First Successful Submission: 2026-06-15 19:04:41

Alloc For What? 2

Time of First Successful Submission: 2026-06-15 19:04:57

How to open a File

Time of First Successful Submission: 2026-06-15 19:05:12

How to open a File 2

Time of First Successful Submission: 2026-06-15 19:05:29

How to open a File 3

Time of First Successful Submission: 2026-06-15 19:05:45

How to open a File 4

Time of First Successful Submission: 2026-06-15 19:06:01

How to open a File 5

Time of First Successful Submission: 2026-06-15 19:06:15

Intro to Cybersecurity

183 / 183 190 / 22244

Path Traversal 1

Time of First Successful Submission: 2026-04-16 21:55:16

Path Traversal 2

Time of First Successful Submission: 2026-04-16 21:52:48

CMDi 1

Time of First Successful Submission: 2026-04-16 21:52:29

CMDi 2

Time of First Successful Submission: 2026-04-16 21:52:11

CMDi 3

Time of First Successful Submission: 2026-04-16 21:51:52

CMDi 4

Time of First Successful Submission: 2026-04-16 21:51:30

CMDi 5

Time of First Successful Submission: 2026-04-16 21:51:12

CMDi 6

Time of First Successful Submission: 2026-04-16 21:50:53

Authentication Bypass 1

Time of First Successful Submission: 2026-04-16 21:50:35

Authentication Bypass 2

Time of First Successful Submission: 2026-04-16 21:50:16

SQLi 1

Time of First Successful Submission: 2026-04-16 21:49:58

SQLi 2

Time of First Successful Submission: 2026-04-16 21:49:39

SQLi 3

Time of First Successful Submission: 2026-04-16 21:49:21

SQLi 4

Time of First Successful Submission: 2026-04-16 21:49:02

SQLi 5

Time of First Successful Submission: 2026-04-16 21:48:44

XSS 1

Time of First Successful Submission: 2026-04-16 21:48:25

XSS 2

Time of First Successful Submission: 2026-04-16 21:48:06

XSS 3

Time of First Successful Submission: 2026-04-16 21:47:48

XSS 4

Time of First Successful Submission: 2026-04-16 21:47:29

XSS 5

Time of First Successful Submission: 2026-04-16 21:47:11

XSS 6

Time of First Successful Submission: 2026-04-16 21:46:51

XSS 7

Time of First Successful Submission: 2026-04-16 21:46:34

CSRF 1

Time of First Successful Submission: 2026-04-16 21:46:15

CSRF 2

Time of First Successful Submission: 2026-04-16 21:45:56

CSRF 3

Time of First Successful Submission: 2026-04-16 21:45:38

CSRF 4

Time of First Successful Submission: 2026-04-16 21:45:20

CSRF 5

Time of First Successful Submission: 2026-04-16 21:45:01

Connect

Time of First Successful Submission: 2026-04-16 21:44:04

Send

Time of First Successful Submission: 2026-04-16 21:43:39

Shutdown

Time of First Successful Submission: 2026-04-16 21:42:42

Listen

Time of First Successful Submission: 2026-04-16 21:42:18

Scan 1

Time of First Successful Submission: 2026-04-16 21:41:22

Scan 2

Time of First Successful Submission: 2026-04-16 21:40:57

Monitor 1

Time of First Successful Submission: 2026-04-16 21:40:00

Monitor 2

Time of First Successful Submission: 2026-04-16 21:39:36

Sniffing Cookies

Time of First Successful Submission: 2026-04-16 21:39:11

Network Configuration

Time of First Successful Submission: 2026-04-16 21:38:45

Firewall 1

Time of First Successful Submission: 2026-04-16 21:38:19

Firewall 2

Time of First Successful Submission: 2026-04-16 21:37:55

Firewall 3

Time of First Successful Submission: 2026-04-16 21:37:18

Denial of Service 1

Time of First Successful Submission: 2026-04-16 21:36:52

Denial of Service 2

Time of First Successful Submission: 2026-04-16 21:36:26

Denial of Service 3

Time of First Successful Submission: 2026-04-16 21:36:01

Ethernet

Time of First Successful Submission: 2026-04-16 21:35:37

IP

Time of First Successful Submission: 2026-04-16 21:35:12

TCP

Time of First Successful Submission: 2026-04-16 21:34:47

TCP Handshake

Time of First Successful Submission: 2026-04-16 21:34:18

UDP

Time of First Successful Submission: 2026-04-16 21:33:21

UDP 2

Time of First Successful Submission: 2026-04-16 21:32:55

UDP Spoofing 1

Time of First Successful Submission: 2026-04-16 21:32:30

UDP Spoofing 2

Time of First Successful Submission: 2026-04-16 21:32:05

UDP Spoofing 3

Time of First Successful Submission: 2026-04-16 21:31:41

UDP Spoofing 4

Time of First Successful Submission: 2026-04-16 21:31:16

ARP

Time of First Successful Submission: 2026-04-16 21:30:20

Intercept

Time of First Successful Submission: 2026-04-16 21:29:55

Man-in-the-Middle

Time of First Successful Submission: 2026-04-16 21:29:29

XOR

Time of First Successful Submission: 2026-04-16 21:29:07

XORing Hex

Time of First Successful Submission: 2026-04-16 21:28:48

XORing ASCII

Time of First Successful Submission: 2026-04-16 21:28:30

XORing ASCII Strings

Time of First Successful Submission: 2026-04-16 21:28:11

One-time Pad

Time of First Successful Submission: 2026-04-16 21:27:51

One-time Pad Tampering

Time of First Successful Submission: 2026-04-16 21:27:33

Many-time Pad

Time of First Successful Submission: 2026-04-16 21:27:12

AES

Time of First Successful Submission: 2026-04-16 21:26:54

AES-ECB-CPA

Time of First Successful Submission: 2026-04-16 21:26:36

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-16 21:26:17

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-16 21:25:59

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-16 21:25:41

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-16 21:25:22

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-16 21:25:04

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-16 21:24:45

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-16 21:24:26

AES-CBC

Time of First Successful Submission: 2026-04-16 21:24:08

AES-CBC Tampering

Time of First Successful Submission: 2026-04-16 21:23:49

AES-CBC Resizing

Time of First Successful Submission: 2026-04-16 21:23:31

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-16 21:23:13

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-16 21:22:54

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-16 21:22:33

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-16 21:22:15

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-16 21:21:57

DHKE

Time of First Successful Submission: 2026-04-16 21:21:38

DHKE-to-AES

Time of First Successful Submission: 2026-04-16 21:21:20

RSA 1

Time of First Successful Submission: 2026-04-16 21:21:01

RSA 2

Time of First Successful Submission: 2026-04-16 21:20:43

RSA 3

Time of First Successful Submission: 2026-04-16 21:20:24

RSA 4

Time of First Successful Submission: 2026-04-16 21:20:06

RSA Signatures

Time of First Successful Submission: 2026-04-16 21:19:46

SHA 1

Time of First Successful Submission: 2026-04-16 21:19:27

SHA 2

Time of First Successful Submission: 2026-04-16 21:19:09

TLS 1

Time of First Successful Submission: 2026-04-16 21:18:50

TLS 2

Time of First Successful Submission: 2026-04-16 21:18:30

level1

Time of First Successful Submission: 2026-04-16 21:18:09

level2

Time of First Successful Submission: 2026-04-16 21:17:51

level3

Time of First Successful Submission: 2026-04-16 21:17:33

level4

Time of First Successful Submission: 2026-04-16 21:17:14

level5

Time of First Successful Submission: 2026-04-16 21:16:56

level6

Time of First Successful Submission: 2026-04-16 21:16:38

level7

Time of First Successful Submission: 2026-04-16 21:16:20

level8

Time of First Successful Submission: 2026-04-16 21:16:01

level9

Time of First Successful Submission: 2026-04-16 21:15:41

level10

Time of First Successful Submission: 2026-04-16 21:15:23

level11

Time of First Successful Submission: 2026-04-16 21:15:04

level12

Time of First Successful Submission: 2026-04-16 21:14:46

level13

Time of First Successful Submission: 2026-04-16 21:14:27

level14

Time of First Successful Submission: 2026-04-16 21:14:08

level15

Time of First Successful Submission: 2026-04-16 21:13:49

level16

Time of First Successful Submission: 2026-04-16 21:13:31

level17

Time of First Successful Submission: 2026-04-16 21:13:13

level18

Time of First Successful Submission: 2026-04-16 21:12:53

level19

Time of First Successful Submission: 2026-04-16 21:12:34

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-16 21:12:13

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-16 21:11:54

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-16 21:11:36

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-16 21:11:17

Reading Endianness (C)

Time of First Successful Submission: 2026-04-16 21:10:59

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-16 21:10:41

Version Information (Python)

Time of First Successful Submission: 2026-04-16 21:10:23

Version Information (C)

Time of First Successful Submission: 2026-04-16 21:10:04

Version Information (x86)

Time of First Successful Submission: 2026-04-16 21:09:46

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-16 21:09:28

Metadata and Data (C)

Time of First Successful Submission: 2026-04-16 21:09:10

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-16 21:08:51

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-16 21:08:33

Input Restrictions (C)

Time of First Successful Submission: 2026-04-16 21:08:15

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-16 21:07:55

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-16 21:07:37

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-16 21:07:18

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-16 21:07:00

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-16 21:06:41

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-16 21:06:22

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-16 21:06:04

Internal State Mini (C)

Time of First Successful Submission: 2026-04-16 21:05:45

Internal State Mini (x86)

Time of First Successful Submission: 2026-04-16 21:05:27

Internal State (C)

Time of First Successful Submission: 2026-04-16 21:05:09

Internal State (x86)

Time of First Successful Submission: 2026-04-16 21:04:50

File Formats: Directives (C)

Time of First Successful Submission: 2026-04-16 21:04:32

File Formats: Directives (x86)

Time of First Successful Submission: 2026-04-16 21:04:13

The Patch Directive

Time of First Successful Submission: 2026-04-16 21:03:54

Optimizing for Space

Time of First Successful Submission: 2026-04-16 21:03:36

Tweaking Images

Time of First Successful Submission: 2026-04-16 21:03:17

Storage and Retrieval

Time of First Successful Submission: 2026-04-16 21:02:59

Extracting Knowledge

Time of First Successful Submission: 2026-04-16 21:02:41

Advanced Sprites

Time of First Successful Submission: 2026-04-16 21:02:22

Accessing Resources

Time of First Successful Submission: 2026-04-16 21:02:04

Unsafe Animations

Time of First Successful Submission: 2026-04-16 21:01:46

Animations

Time of First Successful Submission: 2026-04-16 21:01:28

Interoperability: Patching Data

Time of First Successful Submission: 2026-04-16 21:01:09

Patching Code

Time of First Successful Submission: 2026-04-16 21:00:50

Patching Control Flow

Time of First Successful Submission: 2026-04-16 21:00:31

Your First Overflow (easy)

Time of First Successful Submission: 2026-04-16 21:00:09

Your First Overflow (hard)

Time of First Successful Submission: 2026-04-16 20:59:50

Precision (easy)

Time of First Successful Submission: 2026-04-16 20:59:31

Precision (hard)

Time of First Successful Submission: 2026-04-16 20:59:13

Variable Control (easy)

Time of First Successful Submission: 2026-04-16 20:58:54

Variable Control (hard)

Time of First Successful Submission: 2026-04-16 20:58:36

Control Hijack (easy)

Time of First Successful Submission: 2026-04-16 20:58:17

Control Hijack (hard)

Time of First Successful Submission: 2026-04-16 20:57:59

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-04-16 20:57:39

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-04-16 20:57:20

PIEs (easy)

Time of First Successful Submission: 2026-04-16 20:57:00

PIEs (hard)

Time of First Successful Submission: 2026-04-16 20:56:42

String Lengths (easy)

Time of First Successful Submission: 2026-04-16 20:56:24

String Lengths (hard)

Time of First Successful Submission: 2026-04-16 20:56:05

Basic Shellcode

Time of First Successful Submission: 2026-04-16 20:55:46

NOP Sleds

Time of First Successful Submission: 2026-04-16 20:55:27

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-16 20:55:08

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-16 20:54:48

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-04-16 20:54:29

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-16 20:54:10

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-04-16 20:53:51

ECB-to-Win (easy)

Time of First Successful Submission: 2026-04-16 20:53:29

ECB-to-Win (hard)

Time of First Successful Submission: 2026-04-16 20:53:11

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-04-16 20:52:53

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-04-16 20:52:34

CIMG Screenshots

Time of First Successful Submission: 2026-04-16 20:52:15

CIMG Screenshots 2

Time of First Successful Submission: 2026-04-16 20:51:56

Wily Webserver

Time of First Successful Submission: 2026-04-16 20:51:37

The Watering Hole

Time of First Successful Submission: 2026-04-16 20:51:19

Secure Chat 1

Time of First Successful Submission: 2026-04-16 20:50:16

Secure Chat 2

Time of First Successful Submission: 2026-04-16 20:48:17

Secure Chat 3

Time of First Successful Submission: 2026-04-16 20:43:42

Secure Chat 4

Time of First Successful Submission: 2026-04-16 20:30:43

Secure Chat 5

Time of First Successful Submission: 2026-04-16 20:23:38

Program Security

162 / 162 1 / 10244

ello ackers!

Time of First Successful Submission: 2026-04-16 14:25:14

Syscall Smuggler

Time of First Successful Submission: 2026-04-16 14:24:56

Syscall Shenanigans

Time of First Successful Submission: 2026-04-16 14:24:39

Byte Budget

Time of First Successful Submission: 2026-04-16 14:24:21

ClobberCode

Time of First Successful Submission: 2026-04-16 14:24:03

Diverse Delivery

Time of First Successful Submission: 2026-04-16 14:23:46

Pocket Payload

Time of First Successful Submission: 2026-04-16 14:23:28

Micro Menace

Time of First Successful Submission: 2026-04-16 14:23:10

Login Leakage (Easy)

Time of First Successful Submission: 2026-04-16 14:22:34

Login Leakage (Hard)

Time of First Successful Submission: 2026-04-16 14:22:17

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-04-16 14:22:00

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-04-16 14:21:43

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-04-16 14:21:25

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-04-16 14:21:07

Pointer Problems (Easy)

Time of First Successful Submission: 2026-04-16 14:20:50

Pointer Problems (Hard)

Time of First Successful Submission: 2026-04-16 14:20:31

Anomalous Array (Easy)

Time of First Successful Submission: 2026-04-16 14:20:14

Anomalous Array (Hard)

Time of First Successful Submission: 2026-04-16 14:19:56

Now you got it (Easy)

Time of First Successful Submission: 2026-04-16 14:19:39

Now you got it (Hard)

Time of First Successful Submission: 2026-04-16 14:19:22

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-04-16 14:19:03

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-04-16 14:18:46

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-04-16 14:18:28

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-04-16 14:18:08

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-04-16 14:17:51

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-04-16 14:17:33

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-04-16 14:17:15

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-04-16 14:16:56

Latent Leak (Easy)

Time of First Successful Submission: 2026-04-16 14:16:38

Latent Leak (Hard)

Time of First Successful Submission: 2026-04-16 14:16:20

Fork Foolery (Easy)

Time of First Successful Submission: 2026-04-16 14:16:02

Fork Foolery (Hard)

Time of First Successful Submission: 2026-04-16 14:15:44

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-04-16 14:15:06

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-04-16 14:14:48

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-04-16 14:14:30

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-04-16 14:14:12

Can It Fizz?

Time of First Successful Submission: 2026-04-16 14:13:55

Does It Buzz?

Time of First Successful Submission: 2026-04-16 14:13:37

Make It FizzBuzz

Time of First Successful Submission: 2026-04-16 14:13:20

Terrible Token (Easy)

Time of First Successful Submission: 2026-04-16 14:12:59

Terrible Token (Hard)

Time of First Successful Submission: 2026-04-16 14:12:41

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-04-16 14:12:23

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-04-16 14:12:05

Bit Bender

Time of First Successful Submission: 2026-04-16 14:11:47

Substitution Sorcery

Time of First Successful Submission: 2026-04-16 14:11:29

Meager Mangler (Easy)

Time of First Successful Submission: 2026-04-16 14:11:11

Meager Mangler (Hard)

Time of First Successful Submission: 2026-04-16 14:10:54

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-04-16 14:10:36

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-04-16 14:10:18

Patched Up (Easy)

Time of First Successful Submission: 2026-04-16 14:10:00

Patched Up (Hard)

Time of First Successful Submission: 2026-04-16 14:09:42

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-04-16 14:09:24

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-04-16 14:09:06

Patch Perfect (Easy)

Time of First Successful Submission: 2026-04-16 14:08:48

Patch Perfect (Hard)

Time of First Successful Submission: 2026-04-16 14:08:31

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-04-16 14:08:13

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-04-16 14:07:55

Know the Yancode (Easy)

Time of First Successful Submission: 2026-04-16 14:07:37

Know the Yancode (Hard)

Time of First Successful Submission: 2026-04-16 14:07:20

Master the Yancode (Easy)

Time of First Successful Submission: 2026-04-16 14:07:03

Master the Yancode (Hard)

Time of First Successful Submission: 2026-04-16 14:06:46

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-04-16 14:06:28

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-04-16 14:06:10

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-04-16 14:05:52

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-04-16 14:05:34

The Yangler (Easy)

Time of First Successful Submission: 2026-04-16 14:05:17

The Yangler (Hard)

Time of First Successful Submission: 2026-04-16 14:04:59

Yancraft (Easy)

Time of First Successful Submission: 2026-04-16 14:04:42

Yancraft (Hard)

Time of First Successful Submission: 2026-04-16 14:04:24

Yansanity (Easy)

Time of First Successful Submission: 2026-04-16 14:04:06

Yansanity (Hard)

Time of First Successful Submission: 2026-04-16 14:03:48

When the Cow Says Moo

Time of First Successful Submission: 2026-04-16 14:03:31

Predictable Migration

Time of First Successful Submission: 2026-04-16 14:03:13

Hashing Heifers

Time of First Successful Submission: 2026-04-16 14:02:56

Salty Stampede

Time of First Successful Submission: 2026-04-16 14:02:39

Loose Link (Easy)

Time of First Successful Submission: 2026-04-16 14:02:18

Loose Link (Hard)

Time of First Successful Submission: 2026-04-16 14:02:00

Call Chain (Easy)

Time of First Successful Submission: 2026-04-16 14:01:41

Call Chain (Hard)

Time of First Successful Submission: 2026-04-16 14:01:24

Chain of Command (Easy)

Time of First Successful Submission: 2026-04-16 14:01:06

Chain of Command (Hard)

Time of First Successful Submission: 2026-04-16 14:00:49

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-04-16 14:00:31

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-04-16 14:00:14

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-04-16 13:59:57

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-04-16 13:59:39

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-04-16 13:59:22

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-04-16 13:59:04

Leaky Libc (Easy)

Time of First Successful Submission: 2026-04-16 13:58:47

Leaky Libc (Hard)

Time of First Successful Submission: 2026-04-16 13:58:30

Putsception (Easy)

Time of First Successful Submission: 2026-04-16 13:58:12

Putsception (Hard)

Time of First Successful Submission: 2026-04-16 13:57:55

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-04-16 13:57:20

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-04-16 13:57:03

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-04-16 13:56:46

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-04-16 13:56:28

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-04-16 13:56:10

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-04-16 13:55:53

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-04-16 13:55:35

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-04-16 13:55:17

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-04-16 13:55:00

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-04-16 13:54:42

ROP Roulette (Easy)

Time of First Successful Submission: 2026-04-16 13:54:24

ROP Roulette (Hard)

Time of First Successful Submission: 2026-04-16 13:54:06

Libc Lottery (Easy)

Time of First Successful Submission: 2026-04-16 13:53:49

Libc Lottery (Hard)

Time of First Successful Submission: 2026-04-16 13:53:31

Freebie (Easy)

Time of First Successful Submission: 2026-04-16 13:53:10

Freebie (Hard)

Time of First Successful Submission: 2026-04-16 13:52:53

Freebin Feint (Easy)

Time of First Successful Submission: 2026-04-16 13:52:34

Freebin Feint (Hard)

Time of First Successful Submission: 2026-04-16 13:52:16

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-04-16 13:51:58

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-04-16 13:51:40

Fickle Free (Easy)

Time of First Successful Submission: 2026-04-16 13:51:22

Fickle Free (Hard)

Time of First Successful Submission: 2026-04-16 13:51:04

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-04-16 13:50:46

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-04-16 13:50:28

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-04-16 13:50:11

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-04-16 13:49:53

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-04-16 13:49:36

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-04-16 13:49:19

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-04-16 13:49:01

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-04-16 13:48:43

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-04-16 13:48:25

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-04-16 13:48:08

Sus Sequence (Easy)

Time of First Successful Submission: 2026-04-16 13:47:50

Sus Sequence (Hard)

Time of First Successful Submission: 2026-04-16 13:47:32

Echo Emanations (Easy)

Time of First Successful Submission: 2026-04-16 13:47:12

Echo Emanations (Hard)

Time of First Successful Submission: 2026-04-16 13:46:54

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-04-16 13:46:36

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-04-16 13:46:19

Stack Summoning (Easy)

Time of First Successful Submission: 2026-04-16 13:46:01

Stack Summoning (Hard)

Time of First Successful Submission: 2026-04-16 13:45:43

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-04-16 13:45:24

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-04-16 13:45:06

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-04-16 13:44:48

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-04-16 13:44:30

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-04-16 13:44:12

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-04-16 13:43:54

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-04-16 13:43:36

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-04-16 13:43:18

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-04-16 13:43:00

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-04-16 13:42:43

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-04-16 13:42:25

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-04-16 13:42:07

Tcache Terror (Easy)

Time of First Successful Submission: 2026-04-16 13:41:49

Tcache Terror (Hard)

Time of First Successful Submission: 2026-04-16 13:41:29

Containment Composition (Easy)

Time of First Successful Submission: 2026-04-16 13:41:07

Containment Composition (Hard)

Time of First Successful Submission: 2026-04-16 13:40:49

Constant Corruption (Easy)

Time of First Successful Submission: 2026-04-16 13:40:31

Constant Corruption (Hard)

Time of First Successful Submission: 2026-04-16 13:40:13

Return to YanLand (Easy)

Time of First Successful Submission: 2026-04-16 13:39:56

Return to YanLand (Hard)

Time of First Successful Submission: 2026-04-16 13:39:37

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-04-16 13:39:19

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-04-16 13:39:01

The YanFilter (Easy)

Time of First Successful Submission: 2026-04-16 13:38:44

The YanFilter (Hard)

Time of First Successful Submission: 2026-04-16 13:38:19

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-04-16 13:38:01

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-04-16 13:37:44

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-04-16 13:37:26

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-04-16 13:35:33

System Security

93 / 95 161 / 3625

chroot-escape-basic

Time of First Successful Submission: 2026-04-16 13:29:02

chroot-shellcode

Time of First Successful Submission: 2026-04-16 13:28:50

chroot-proper

Time of First Successful Submission: 2026-04-16 13:28:37

seccomp-basic

Time of First Successful Submission: 2026-04-16 13:28:24

seccomp-linkat

Time of First Successful Submission: 2026-04-16 13:28:10

seccomp-fchdir

Time of First Successful Submission: 2026-04-16 13:27:56

seccomp-rechroot

Time of First Successful Submission: 2026-04-16 13:27:44

seccomp-only

Time of First Successful Submission: 2026-04-16 13:27:32

seccomp-arch32

Time of First Successful Submission: 2026-04-16 13:27:19

seccomp-minimal

Time of First Successful Submission: 2026-04-16 13:27:06

seccomp-timebased

Time of First Successful Submission: 2026-04-16 13:26:46

seccomp-readonly

Time of First Successful Submission: 2026-04-16 13:26:33

process-isolation

Time of First Successful Submission: 2026-04-16 13:29:22

mount-namespace

Time of First Successful Submission: 2026-04-16 13:26:06

mount-cleanup

Time of First Successful Submission: 2026-04-16 13:25:50

mount-readonly

Time of First Successful Submission: 2026-04-16 13:25:34

mount-shellcode

Time of First Successful Submission: 2026-04-16 13:25:18

mount-bindmount

Time of First Successful Submission: 2026-04-16 13:25:02

level1.0

Time of First Successful Submission: 2026-04-16 13:24:20

level1.1

Time of First Successful Submission: 2026-04-16 13:24:08

level2.0

Time of First Successful Submission: 2026-04-16 13:23:54

level2.1

Time of First Successful Submission: 2026-04-16 13:23:41

level3.0

Time of First Successful Submission: 2026-04-16 13:23:24

level3.1

Time of First Successful Submission: 2026-04-16 13:23:12

level4.0

Time of First Successful Submission: 2026-04-16 13:23:00

level4.1

Time of First Successful Submission: 2026-04-16 13:22:47

level5.0

Time of First Successful Submission: 2026-04-16 13:22:33

level5.1

Time of First Successful Submission: 2026-04-16 13:22:20

level6.0

Time of First Successful Submission: 2026-04-16 13:22:07

level6.1

Time of First Successful Submission: 2026-04-16 13:21:54

level7.0

Time of First Successful Submission: 2026-04-16 13:21:41

level7.1

Time of First Successful Submission: 2026-04-16 13:21:29

level8.0

Time of First Successful Submission: 2026-04-16 13:21:16

level8.1

Time of First Successful Submission: 2026-04-16 13:21:04

level9.0

Time of First Successful Submission: 2026-04-16 13:20:48

level9.1

Time of First Successful Submission: 2026-04-16 13:20:36

level10.0

Time of First Successful Submission: 2026-04-16 13:20:21

level10.1

Time of First Successful Submission: 2026-04-16 13:20:07

level11.0

Time of First Successful Submission: 2026-04-16 13:19:53

level11.1

Time of First Successful Submission: 2026-04-16 13:19:41

level1.0

Time of First Successful Submission: 2026-04-16 13:19:17

level1.1

Time of First Successful Submission: 2026-04-16 13:19:04

level2.0

Time of First Successful Submission: 2026-04-16 13:18:51

level2.1

Time of First Successful Submission: 2026-04-16 13:18:39

level3.0

Time of First Successful Submission: 2026-04-16 13:18:25

level3.1

Time of First Successful Submission: 2026-04-16 13:18:12

level4.0

Time of First Successful Submission: 2026-04-16 13:17:59

level4.1

Time of First Successful Submission: 2026-04-16 13:17:45

level5.0

Time of First Successful Submission: 2026-04-16 13:17:32

level5.1

Time of First Successful Submission: 2026-04-16 13:17:20

level6.0

Time of First Successful Submission: 2026-04-16 13:17:07

level6.1

Time of First Successful Submission: 2026-04-16 13:16:51

level7.0

Time of First Successful Submission: 2026-04-16 13:16:34

level7.1

Time of First Successful Submission: 2026-04-16 13:16:16

level8.0

Time of First Successful Submission: 2026-04-16 13:16:03

level8.1

Time of First Successful Submission: 2026-04-16 13:15:49

level9.0

Time of First Successful Submission: 2026-04-16 13:15:36

level9.1

Time of First Successful Submission: 2026-04-16 13:15:23

level10.0

Time of First Successful Submission: 2026-04-16 13:15:10

level10.1

Time of First Successful Submission: 2026-04-16 13:14:57

level11.0

Time of First Successful Submission: 2026-04-16 13:14:44

level11.1

Time of First Successful Submission: 2026-04-16 13:14:30

level12.0

Time of First Successful Submission: 2026-04-16 13:14:18

level12.1

Time of First Successful Submission: 2026-04-16 13:14:05

Baby Spectre 1

Time of First Successful Submission: 2026-04-16 13:13:45

Baby Spectre 2

Time of First Successful Submission: 2026-04-16 13:13:32

Baby Spectre 3

Time of First Successful Submission: 2026-04-16 13:13:19

Baby Spectre 4

Time of First Successful Submission: 2026-04-16 13:13:06

Baby Spectre 5

Time of First Successful Submission: 2026-04-16 13:12:54

Prefetch Peek

Time of First Successful Submission: 2026-04-16 13:12:42

Spooky Spectre 1

Time of First Successful Submission: 2026-04-16 13:12:28

Spooky Spectre 2

Time of First Successful Submission: 2026-04-16 13:12:15

Yan85 Reloaded

Time of First Successful Submission: 2026-04-16 13:12:01

Ghost in the YPU 1

Time of First Successful Submission: 2026-04-16 13:11:49

Ghost in the YPU 2

Time of First Successful Submission: 2026-04-16 13:11:36

Molten Access

Time of First Successful Submission: 2026-04-16 13:11:22

Molten Walk

Time of First Successful Submission: 2026-04-16 13:11:10

level1.0

Time of First Successful Submission: 2026-04-16 13:10:46

level1.1

Time of First Successful Submission: 2026-04-16 13:10:34

level2.0

Time of First Successful Submission: 2026-04-16 13:10:12

level2.1

Time of First Successful Submission: 2026-04-16 13:09:59

level3.0

Time of First Successful Submission: 2026-04-16 13:09:44

level3.1

Time of First Successful Submission: 2026-04-16 13:09:32

level4.0

Time of First Successful Submission: 2026-04-16 13:09:16

level4.1

Time of First Successful Submission: 2026-04-16 13:08:49

level5.0

Time of First Successful Submission: 2026-04-16 13:08:34

level5.1

Time of First Successful Submission: 2026-04-16 13:08:18

level6.0

Time of First Successful Submission: 2026-04-16 13:08:00

level6.1

Time of First Successful Submission: 2026-04-16 13:07:47

level7.0

Time of First Successful Submission: 2026-04-16 13:07:34

level7.1

Time of First Successful Submission: 2026-04-16 13:07:20

level8.0

Time of First Successful Submission: 2026-04-16 13:07:07

level8.1

Time of First Successful Submission: 2026-04-16 13:06:53

Software Exploitation

90 / 90 84 / 2437

Level1.0

Time of First Successful Submission: 2026-04-16 12:57:50

Level1.1

Time of First Successful Submission: 2026-04-16 12:57:38

Level2.0

Time of First Successful Submission: 2026-04-16 12:57:22

Level2.1

Time of First Successful Submission: 2026-04-16 12:57:10

Level3.0

Time of First Successful Submission: 2026-04-16 12:56:57

Level3.1

Time of First Successful Submission: 2026-04-16 12:56:45

Level4.0

Time of First Successful Submission: 2026-04-16 12:56:32

Level4.1

Time of First Successful Submission: 2026-04-16 12:56:19

Level5.0

Time of First Successful Submission: 2026-04-16 12:56:04

Level5.1

Time of First Successful Submission: 2026-04-16 12:55:52

Level6.0

Time of First Successful Submission: 2026-04-16 12:55:39

Level6.1

Time of First Successful Submission: 2026-04-16 12:55:19

Level7.0

Time of First Successful Submission: 2026-04-16 12:55:06

Level7.1

Time of First Successful Submission: 2026-04-16 12:54:53

Level8.0

Time of First Successful Submission: 2026-04-16 12:54:39

Level8.1

Time of First Successful Submission: 2026-04-16 12:54:27

Level9.0

Time of First Successful Submission: 2026-04-16 12:54:14

Level9.1

Time of First Successful Submission: 2026-04-16 12:54:01

Level10.0

Time of First Successful Submission: 2026-04-16 12:53:49

Level10.1

Time of First Successful Submission: 2026-04-16 12:53:36

Level11.0

Time of First Successful Submission: 2026-04-16 12:53:21

Level11.1

Time of First Successful Submission: 2026-04-16 12:52:11

Level12.0

Time of First Successful Submission: 2026-04-16 12:50:36

Level12.1

Time of First Successful Submission: 2026-04-16 12:50:19

level1

Time of First Successful Submission: 2026-04-16 12:49:10

level2

Time of First Successful Submission: 2026-04-16 12:48:59

level3

Time of First Successful Submission: 2026-04-16 12:48:50

level4

Time of First Successful Submission: 2026-04-16 12:48:40

level5

Time of First Successful Submission: 2026-04-16 12:48:30

level6

Time of First Successful Submission: 2026-04-16 12:48:22

level7

Time of First Successful Submission: 2026-04-16 12:48:12

level8

Time of First Successful Submission: 2026-04-16 12:48:02

level9

Time of First Successful Submission: 2026-04-16 12:47:52

level10

Time of First Successful Submission: 2026-04-16 12:47:42

level11

Time of First Successful Submission: 2026-04-16 12:47:33

level12

Time of First Successful Submission: 2026-04-16 12:47:23

level13

Time of First Successful Submission: 2026-04-16 12:46:59

level14

Time of First Successful Submission: 2026-04-16 12:46:49

level15

Time of First Successful Submission: 2026-04-16 12:46:39

level16

Time of First Successful Submission: 2026-04-16 12:46:28

level17

Time of First Successful Submission: 2026-04-16 12:46:12

level18

Time of First Successful Submission: 2026-04-16 12:45:54

level19

Time of First Successful Submission: 2026-04-16 12:45:43

level20

Time of First Successful Submission: 2026-04-16 12:45:34

level21

Time of First Successful Submission: 2026-04-16 12:45:23

level1.0

Time of First Successful Submission: 2026-04-16 12:45:02

level1.1

Time of First Successful Submission: 2026-04-16 12:44:48

level2.0

Time of First Successful Submission: 2026-04-16 12:44:19

level2.1

Time of First Successful Submission: 2026-04-16 12:44:09

level3.0

Time of First Successful Submission: 2026-04-16 12:43:58

level3.1

Time of First Successful Submission: 2026-04-16 12:43:47

level4.0

Time of First Successful Submission: 2026-04-16 12:43:36

level4.1

Time of First Successful Submission: 2026-04-16 12:43:19

level5.0

Time of First Successful Submission: 2026-04-16 12:43:10

level5.1

Time of First Successful Submission: 2026-04-16 12:42:59

level6.0

Time of First Successful Submission: 2026-04-16 12:42:49

level6.1

Time of First Successful Submission: 2026-04-16 12:42:39

level7.0

Time of First Successful Submission: 2026-04-16 12:42:27

level7.1

Time of First Successful Submission: 2026-04-16 12:42:17

level8.0

Time of First Successful Submission: 2026-04-16 12:42:07

level8.1

Time of First Successful Submission: 2026-04-16 12:41:57

level9.0

Time of First Successful Submission: 2026-04-16 12:41:47

level9.1

Time of First Successful Submission: 2026-04-16 12:41:35

level10.0

Time of First Successful Submission: 2026-04-16 12:41:26

level10.1

Time of First Successful Submission: 2026-04-16 12:41:16

level1.0

Time of First Successful Submission: 2026-04-16 12:40:54

level1.1

Time of First Successful Submission: 2026-04-16 12:40:42

level2.0

Time of First Successful Submission: 2026-04-16 12:40:31

level2.1

Time of First Successful Submission: 2026-04-16 12:40:20

level3.0

Time of First Successful Submission: 2026-04-16 12:39:46

level3.1

Time of First Successful Submission: 2026-04-16 12:39:35

level4.0

Time of First Successful Submission: 2026-04-16 12:38:58

level4.1

Time of First Successful Submission: 2026-04-16 12:39:25

level5.0

Time of First Successful Submission: 2026-04-16 12:38:28

level5.1

Time of First Successful Submission: 2026-04-16 12:38:17

level6.0

Time of First Successful Submission: 2026-04-16 12:38:07

level6.1

Time of First Successful Submission: 2026-04-16 12:37:54

level7.0

Time of First Successful Submission: 2026-04-16 12:37:42

level7.1

Time of First Successful Submission: 2026-04-16 12:37:32

level8.0

Time of First Successful Submission: 2026-04-16 12:37:22

level8.1

Time of First Successful Submission: 2026-04-16 12:37:11

level9

Time of First Successful Submission: 2026-04-16 12:37:00

Level-1

Time of First Successful Submission: 2026-04-16 12:35:52

Level-2

Time of First Successful Submission: 2026-04-16 12:34:59

Level-3

Time of First Successful Submission: 2026-04-16 12:34:44

Level-4

Time of First Successful Submission: 2026-04-16 12:33:08

Level-5

Time of First Successful Submission: 2026-04-16 12:28:51

Level-6

Time of First Successful Submission: 2026-04-16 12:28:25

Level-7

Time of First Successful Submission: 2026-04-16 12:28:00

Level-8

Time of First Successful Submission: 2026-04-16 12:27:00

Start Here

10 / 12 23787 / 53317

Using the Terminal

Time of First Successful Submission: 2026-07-17 17:14:28

Using the VSCode Workspace

Time of First Successful Submission: 2024-05-17 22:15:41

Using the GUI Desktop

Time of First Successful Submission: 2024-05-17 22:16:17

Pasting into the Desktop

Time of First Successful Submission: 2024-05-18 19:19:52

Restarting Challenges

Time of First Successful Submission: 2026-07-17 17:14:59

Challenge Programs

Time of First Successful Submission: 2024-05-18 19:20:47

The Flag File

Time of First Successful Submission: 2024-05-18 19:22:10

Using Privileged Mode

Time of First Successful Submission: 2024-05-18 19:23:51

Persistent Home Directories - One

Time of First Successful Submission: 2024-05-18 19:28:47

Persistent Home Directories - Two

Time of First Successful Submission: 2024-05-18 19:29:13

Linux Luminarium

128 / 128 3886 / 39265

Intro to Commands

Time of First Successful Submission: 2026-07-16 21:42:12

Intro to Arguments

Time of First Successful Submission: 2026-07-16 21:42:27

Command History

Time of First Successful Submission: 2026-07-16 21:42:43

The Root

Time of First Successful Submission: 2026-07-16 21:42:59

Program and absolute paths

Time of First Successful Submission: 2026-07-16 21:43:17

Position thy self

Time of First Successful Submission: 2026-07-16 21:43:32

Position elsewhere

Time of First Successful Submission: 2026-07-16 21:43:47

implicit relative paths, from /

Time of First Successful Submission: 2026-07-16 21:44:02

explicit relative paths, from /

Time of First Successful Submission: 2026-07-17 16:01:01

implicit relative path

Time of First Successful Submission: 2026-07-17 16:01:16

home sweet home

Time of First Successful Submission: 2026-07-17 16:01:31

cat: not the pet, but the command!

Time of First Successful Submission: 2026-07-16 21:44:33

catting absolute paths

Time of First Successful Submission: 2026-07-17 16:02:02

more catting practice

Time of First Successful Submission: 2026-07-17 17:11:40

grepping for a needle in a haystack

Time of First Successful Submission: 2026-07-17 16:05:26

comparing files

Time of First Successful Submission: 2026-07-17 16:05:40

listing files

Time of First Successful Submission: 2026-07-16 21:44:48

touching files

Time of First Successful Submission: 2026-07-17 16:06:08

removing files

Time of First Successful Submission: 2026-07-17 16:06:23

moving files

Time of First Successful Submission: 2026-07-17 16:06:38

copying files

Time of First Successful Submission: 2026-07-17 16:06:53

hidden files

Time of First Successful Submission: 2026-07-16 23:05:29

An Epic Filesystem Quest

Time of First Successful Submission: 2026-07-17 16:10:13

making directories

Time of First Successful Submission: 2026-07-17 16:10:28

finding files

Time of First Successful Submission: 2026-07-16 23:10:47

linking files

Time of First Successful Submission: 2026-07-17 16:13:56

Learning From Documentation

Time of First Successful Submission: 2026-07-17 16:14:14

Learning Complex Usage

Time of First Successful Submission: 2026-07-17 16:14:29

Reading Manuals

Time of First Successful Submission: 2026-07-17 16:14:44

Searching Manuals

Time of First Successful Submission: 2026-07-17 16:14:58

Searching For Manuals

Time of First Successful Submission: 2026-07-17 16:15:14

Helpful Programs

Time of First Successful Submission: 2026-07-17 16:15:28

Help for Builtins

Time of First Successful Submission: 2026-07-17 16:15:43

Matching with *

Time of First Successful Submission: 2026-07-17 16:16:01

Matching with ?

Time of First Successful Submission: 2026-07-17 16:16:16

Matching with []

Time of First Successful Submission: 2026-07-17 16:16:31

Matching paths with []

Time of First Successful Submission: 2026-07-17 16:16:46

Multiple globs

Time of First Successful Submission: 2026-07-17 16:17:00

Mixing globs

Time of First Successful Submission: 2026-07-17 16:17:16

Exclusionary globbing

Time of First Successful Submission: 2026-07-17 16:17:31

Tab completion

Time of First Successful Submission: 2026-07-17 16:17:45

Multiple options for tab completion

Time of First Successful Submission: 2026-07-17 16:18:01

Tab completion on commands

Time of First Successful Submission: 2026-07-17 16:18:20

Redirecting output

Time of First Successful Submission: 2026-07-16 21:55:39

Redirecting more output

Time of First Successful Submission: 2026-07-16 21:55:54

Appending output

Time of First Successful Submission: 2026-07-17 16:19:04

Redirecting errors

Time of First Successful Submission: 2026-07-17 16:19:18

Redirecting input

Time of First Successful Submission: 2026-07-16 21:56:09

Grepping stored results

Time of First Successful Submission: 2026-07-17 16:19:46

Grepping live output

Time of First Successful Submission: 2026-07-17 16:20:01

Grepping errors

Time of First Successful Submission: 2026-07-17 16:20:16

Filtering with grep -v

Time of First Successful Submission: 2026-07-17 16:20:31

Filtering with sed

Time of First Successful Submission: 2026-07-17 16:20:48

Duplicating piped data with tee

Time of First Successful Submission: 2026-07-17 16:21:03

Process substitution for input

Time of First Successful Submission: 2026-07-17 16:21:19

Writing to multiple programs

Time of First Successful Submission: 2026-07-17 16:21:33

Split-piping stderr and stdout

Time of First Successful Submission: 2026-07-17 16:21:48

Named pipes

Time of First Successful Submission: 2026-07-17 16:22:03

Printing Variables

Time of First Successful Submission: 2026-07-17 16:22:21

Setting Variables

Time of First Successful Submission: 2026-07-17 16:22:36

Multi-word Variables

Time of First Successful Submission: 2026-07-17 16:22:51

Exporting Variables

Time of First Successful Submission: 2026-07-17 16:23:06

Printing Exported Variables

Time of First Successful Submission: 2026-07-17 16:23:22

Storing Command Output

Time of First Successful Submission: 2026-07-17 16:23:37

Reading Input

Time of First Successful Submission: 2026-07-17 16:23:52

Reading Files

Time of First Successful Submission: 2026-07-17 16:24:08

Translating characters

Time of First Successful Submission: 2026-07-17 16:24:26

Deleting characters

Time of First Successful Submission: 2026-07-17 16:24:41

Deleting newlines

Time of First Successful Submission: 2026-07-17 16:24:57

Extracting the first lines with head

Time of First Successful Submission: 2026-07-17 16:25:12

Extracting specific sections of text

Time of First Successful Submission: 2026-07-17 16:25:27

Sorting data

Time of First Successful Submission: 2026-07-17 16:25:47

Listing Processes

Time of First Successful Submission: 2026-07-17 16:26:05

Killing Processes

Time of First Successful Submission: 2026-07-17 16:26:20

Interrupting Processes

Time of First Successful Submission: 2026-07-17 16:26:34

Killing Misbehaving Processes

Time of First Successful Submission: 2026-07-17 16:26:50

Suspending Processes

Time of First Successful Submission: 2026-07-17 16:27:05

Resuming Processes

Time of First Successful Submission: 2026-07-17 16:27:20

Backgrounding Processes

Time of First Successful Submission: 2026-07-17 16:27:35

Foregrounding Processes

Time of First Successful Submission: 2026-07-17 16:27:50

Starting Backgrounded Processes

Time of First Successful Submission: 2026-07-17 16:28:05

Process Exit Codes

Time of First Successful Submission: 2026-07-17 16:28:19

Becoming root with su

Time of First Successful Submission: 2026-07-17 16:28:38

Other users with su

Time of First Successful Submission: 2026-07-17 16:28:53

Cracking passwords

Time of First Successful Submission: 2026-07-17 16:29:09

Using sudo

Time of First Successful Submission: 2026-07-17 16:29:23

Changing File Ownership

Time of First Successful Submission: 2026-07-17 16:29:42

Groups and Files

Time of First Successful Submission: 2026-07-17 16:29:57

Fun With Groups Names

Time of First Successful Submission: 2026-07-17 16:30:12

Changing Permissions

Time of First Successful Submission: 2026-07-17 16:30:27

Executable Files

Time of First Successful Submission: 2026-07-17 16:30:42

Permission Tweaking Practice

Time of First Successful Submission: 2026-07-17 16:30:58

Permissions Setting Practice

Time of First Successful Submission: 2026-07-17 16:31:13

The SUID Bit

Time of First Successful Submission: 2026-07-17 16:31:27

Chaining with Semicolons

Time of First Successful Submission: 2026-07-17 16:31:45

Building on Success

Time of First Successful Submission: 2026-07-17 16:32:00

Handling Failure

Time of First Successful Submission: 2026-07-17 16:32:17

Your First Shell Script

Time of First Successful Submission: 2026-07-17 16:32:36

Redirecting Script Output

Time of First Successful Submission: 2026-07-17 16:32:52

Executable Shell Scripts

Time of First Successful Submission: 2026-07-17 16:33:07

Understanding Shebangs

Time of First Successful Submission: 2026-07-17 16:33:22

Scripting with Arguments

Time of First Successful Submission: 2026-07-17 16:33:37

Scripting with Conditionals

Time of First Successful Submission: 2026-07-17 16:33:52

Scripting with Default Cases

Time of First Successful Submission: 2026-07-17 16:34:07

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-07-17 16:34:22

Reading Shell Scripts

Time of First Successful Submission: 2026-07-17 16:34:37

Launching Screen

Time of First Successful Submission: 2026-07-17 17:12:01

Detaching and Attaching

Time of First Successful Submission: 2026-07-17 16:38:06

Finding Sessions

Time of First Successful Submission: 2026-07-17 16:38:23

Switching Windows

Time of First Successful Submission: 2026-07-17 16:38:40

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-07-17 16:38:56

Switching Windows (tmux)

Time of First Successful Submission: 2026-07-17 16:39:14

The PATH Variable

Time of First Successful Submission: 2026-07-17 16:39:36

Setting PATH

Time of First Successful Submission: 2026-07-17 16:39:51

Finding Commands

Time of First Successful Submission: 2026-07-17 17:12:34

Adding Commands

Time of First Successful Submission: 2026-07-17 16:43:14

Hijacking Commands

Time of First Successful Submission: 2026-07-17 16:43:29

Bashrc Backdoor

Time of First Successful Submission: 2026-07-17 16:43:48

Sniffing Input

Time of First Successful Submission: 2026-07-17 16:44:03

Overshared Directories

Time of First Successful Submission: 2026-07-17 16:44:18

Tricky Linking

Time of First Successful Submission: 2026-07-17 16:44:33

Sniffing Process Arguments

Time of First Successful Submission: 2026-07-17 16:44:50

Snooping on Configurations

Time of First Successful Submission: 2026-07-17 16:45:05

The Fork Bomb

Time of First Successful Submission: 2026-07-17 16:45:25

Disk-Space Doomsday

Time of First Successful Submission: 2026-07-17 17:13:21

rm -rf /

Time of First Successful Submission: 2026-07-17 16:45:56

Life after rm -rf /

Time of First Successful Submission: 2026-07-17 16:46:11

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-07-17 16:46:26

Computing 101

132 / 132 52 / 21684

Your First Register

Time of First Successful Submission: 2026-07-17 20:53:06

Your First Syscall

Time of First Successful Submission: 2026-07-17 20:53:21

Exit Codes

Time of First Successful Submission: 2026-07-17 20:53:37

Building Executables

Time of First Successful Submission: 2026-07-17 20:53:52

Moving Between Registers

Time of First Successful Submission: 2026-07-17 20:54:08

Loading From Memory

Time of First Successful Submission: 2026-07-17 20:54:25

More Loading Practice

Time of First Successful Submission: 2026-07-17 20:54:41

Dereferencing Pointers

Time of First Successful Submission: 2026-07-17 20:54:56

Dereferencing Yourself

Time of First Successful Submission: 2026-07-17 20:55:11

Dereferencing with Offsets

Time of First Successful Submission: 2026-07-17 20:55:26

Stored Addresses

Time of First Successful Submission: 2026-07-17 20:55:42

Double Dereference

Time of First Successful Submission: 2026-07-17 20:55:58

The Stack

Time of First Successful Submission: 2026-07-17 20:56:17

Stack Offsets

Time of First Successful Submission: 2026-07-17 20:56:33

Program Arguments on the Stack

Time of First Successful Submission: 2026-07-17 20:56:48

Popping From the Stack

Time of First Successful Submission: 2026-07-17 20:57:04

Negative Numbers

Time of First Successful Submission: 2026-07-17 20:57:23

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-07-17 20:57:38

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-07-17 20:57:53

Encoding Negatives

Time of First Successful Submission: 2026-07-17 20:58:09

Binary and Hex Encoding

Time of First Successful Submission: 2026-07-17 20:58:24

More Hex

Time of First Successful Submission: 2026-07-17 20:58:41

Decoding Hex

Time of First Successful Submission: 2026-07-17 20:58:56

Mixed Conversions

Time of First Successful Submission: 2026-07-17 20:59:12

Disassembling Programs

Time of First Successful Submission: 2026-07-17 20:59:30

Tracing Syscalls

Time of First Successful Submission: 2026-07-17 20:59:45

Starting GDB

Time of First Successful Submission: 2026-07-17 21:00:00

Quitting GDB

Time of First Successful Submission: 2026-07-17 21:00:15

Starting Programs in GDB

Time of First Successful Submission: 2026-07-17 21:00:31

Disassembling in GDB

Time of First Successful Submission: 2026-07-17 21:00:46

Stepping Through Instructions

Time of First Successful Submission: 2026-07-17 21:01:01

Reading Register Values

Time of First Successful Submission: 2026-07-17 21:01:17

Setting Register Values

Time of First Successful Submission: 2026-07-17 21:01:33

Popping Stack Values

Time of First Successful Submission: 2026-07-17 21:01:48

Examining Memory

Time of First Successful Submission: 2026-07-17 21:02:04

Examining Stack Pointers

Time of First Successful Submission: 2026-07-17 21:02:20

Cooperative Debugging

Time of First Successful Submission: 2026-07-17 21:02:35

Running with Arguments

Time of First Successful Submission: 2026-07-17 21:02:51

Redirecting Input in GDB

Time of First Successful Submission: 2026-07-17 21:03:06

Writing Output

Time of First Successful Submission: 2026-07-17 21:03:25

Chaining Syscalls

Time of First Successful Submission: 2026-07-17 21:03:40

Writing Strings

Time of First Successful Submission: 2026-07-17 21:03:55

Reading Data

Time of First Successful Submission: 2026-07-17 21:04:10

Reading Exactly

Time of First Successful Submission: 2026-07-17 21:04:25

Opening Files

Time of First Successful Submission: 2026-07-17 21:04:40

Hardcoding the Filename

Time of First Successful Submission: 2026-07-17 21:04:55

RIP-Relative Strings

Time of First Successful Submission: 2026-07-17 21:05:11

Comparing Values

Time of First Successful Submission: 2026-07-17 21:05:30

Comparing Characters

Time of First Successful Submission: 2026-07-17 21:05:45

Conditional Control Flow

Time of First Successful Submission: 2026-07-17 21:06:01

Comparing Strings

Time of First Successful Submission: 2026-07-17 21:06:18

Reverse the Password

Time of First Successful Submission: 2026-07-17 21:06:33

Conditionals Without Conditionals

Time of First Successful Submission: 2026-07-17 21:06:48

Recognizing Loops

Time of First Successful Submission: 2026-07-17 21:07:04

Writing Loops

Time of First Successful Submission: 2026-07-17 21:07:20

Writing From a Shared Library

Time of First Successful Submission: 2026-07-17 21:07:35

Returning a Value

Time of First Successful Submission: 2026-07-17 21:07:50

Calling Through a Pointer

Time of First Successful Submission: 2026-07-17 21:08:06

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-07-17 21:08:21

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-07-17 21:08:36

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-07-17 21:08:53

Sign Extension

Time of First Successful Submission: 2026-07-17 21:09:11

Little-Endian Bytes

Time of First Successful Submission: 2026-07-17 21:09:27

Qword by Qword

Time of First Successful Submission: 2026-07-17 21:09:44

Dword by Dword

Time of First Successful Submission: 2026-07-17 21:09:59

Word by Word

Time of First Successful Submission: 2026-07-17 21:10:14

Byte by Byte

Time of First Successful Submission: 2026-07-17 21:10:33

Cracking a Struct

Time of First Successful Submission: 2026-07-17 21:10:48

Scrambled Struct

Time of First Successful Submission: 2026-07-17 21:11:04

Reverse the Calculation

Time of First Successful Submission: 2026-07-17 21:11:23

Reverse the Reverse

Time of First Successful Submission: 2026-07-17 21:11:39

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-07-17 21:11:54

Even or Odd

Time of First Successful Submission: 2026-07-17 21:12:09

Masking Bits

Time of First Successful Submission: 2026-07-17 21:12:24

Lowercase a String

Time of First Successful Submission: 2026-07-17 21:12:40

Uppercase a String

Time of First Successful Submission: 2026-07-17 21:12:55

Swap Case

Time of First Successful Submission: 2026-07-17 21:13:10

Shifting Left

Time of First Successful Submission: 2026-07-17 21:13:26

Shifting Right

Time of First Successful Submission: 2026-07-17 21:13:41

Loops on Data

Time of First Successful Submission: 2026-07-17 21:13:56

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-07-17 21:14:14

Loading Stale Stack Data

Time of First Successful Submission: 2026-07-17 21:14:29

Stealing Stale Stack Data

Time of First Successful Submission: 2026-07-17 21:14:44

Reserving Your Own Frame

Time of First Successful Submission: 2026-07-17 21:15:00

Using Your Own Frame

Time of First Successful Submission: 2026-07-17 21:15:15

Environment Variables on the Stack

Time of First Successful Submission: 2026-07-17 21:15:30

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-07-17 21:15:45

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-07-17 21:16:01

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-07-17 21:16:16

A Single Digit

Time of First Successful Submission: 2026-07-17 21:16:35

Two Digits

Time of First Successful Submission: 2026-07-17 21:16:51

String to Integer

Time of First Successful Submission: 2026-07-17 21:17:06

Negative Numbers

Time of First Successful Submission: 2026-07-17 21:17:22

Where the Number Ends

Time of First Successful Submission: 2026-07-17 21:17:37

A Whole Program

Time of First Successful Submission: 2026-07-17 21:17:52

A Single Digit, Back to Text

Time of First Successful Submission: 2026-07-17 21:18:07

Divide and Remainder

Time of First Successful Submission: 2026-07-17 21:18:23

Drop the Leading Zero

Time of First Successful Submission: 2026-07-17 21:18:38

Integer to String

Time of First Successful Submission: 2026-07-17 21:18:53

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-07-17 21:19:09

Sum Them All

Time of First Successful Submission: 2026-07-17 21:19:24

Addition

Time of First Successful Submission: 2026-07-17 21:19:40

Subtraction

Time of First Successful Submission: 2026-07-17 21:19:55

Multiplication

Time of First Successful Submission: 2026-07-17 21:20:11

Bitwise Operators

Time of First Successful Submission: 2026-07-17 21:20:28

Unary Operators

Time of First Successful Submission: 2026-07-17 21:20:45

Literal Output

Time of First Successful Submission: 2026-07-17 21:21:01

Newline Escapes

Time of First Successful Submission: 2026-07-17 21:21:16

Escaped Syntax

Time of First Successful Submission: 2026-07-17 21:21:33

Decimal Markers

Time of First Successful Submission: 2026-07-17 21:21:49

Multiple Decimal Markers

Time of First Successful Submission: 2026-07-17 21:22:05

String Markers

Time of First Successful Submission: 2026-07-17 21:22:21

Hex Byte Escapes

Time of First Successful Submission: 2026-07-17 21:22:37

Debugging Programs

Time of First Successful Submission: 2026-07-17 21:22:58

Inspecting Registers

Time of First Successful Submission: 2026-07-17 21:23:15

Examining Memory

Time of First Successful Submission: 2026-07-17 21:23:32

Setting Breakpoints

Time of First Successful Submission: 2026-07-17 21:23:48

GDB Scripting

Time of First Successful Submission: 2026-07-17 21:24:03

Modifying Data

Time of First Successful Submission: 2026-07-17 21:24:19

Modifying Execution

Time of First Successful Submission: 2026-07-17 21:24:34

Broken Functions

Time of First Successful Submission: 2026-07-17 21:24:50

Exit

Time of First Successful Submission: 2026-07-17 21:25:15

Socket

Time of First Successful Submission: 2026-07-17 21:25:42

Bind

Time of First Successful Submission: 2026-07-17 21:26:04

Listen

Time of First Successful Submission: 2026-07-17 21:26:23

Accept

Time of First Successful Submission: 2026-07-17 21:26:42

Static Response

Time of First Successful Submission: 2026-07-17 21:27:02

Dynamic Response

Time of First Successful Submission: 2026-07-17 21:27:21

Iterative GET Server

Time of First Successful Submission: 2026-07-17 21:27:45

Concurrent GET Server

Time of First Successful Submission: 2026-07-17 21:28:12

Concurrent POST Server

Time of First Successful Submission: 2026-07-17 21:28:32

Web Server

Time of First Successful Submission: 2026-07-17 21:28:54

Playing With Programs

116 / 116 1066 / 24708

What's the password?

Time of First Successful Submission: 2026-07-17 22:45:00

... and again!

Time of First Successful Submission: 2026-07-17 22:45:16

Newline Troubles

Time of First Successful Submission: 2026-07-17 22:45:32

Reasoning about files

Time of First Successful Submission: 2026-07-17 22:45:47

Specifying Filenames

Time of First Successful Submission: 2026-07-17 22:46:01

Binary and Hex Encoding

Time of First Successful Submission: 2026-07-17 22:46:15

More Hex

Time of First Successful Submission: 2026-07-17 22:46:30

Decoding Hex

Time of First Successful Submission: 2026-07-17 22:46:45

Decoding Practice

Time of First Successful Submission: 2026-07-17 22:47:00

Encoding Practice

Time of First Successful Submission: 2026-07-17 22:47:15

Hex-encoding ASCII

Time of First Successful Submission: 2026-07-17 22:47:30

Nested Encoding

Time of First Successful Submission: 2026-07-17 22:47:45

Hex-encoding UTF-8

Time of First Successful Submission: 2026-07-17 22:48:00

UTF Mixups

Time of First Successful Submission: 2026-07-17 22:48:14

Modifying Encoded Data

Time of First Successful Submission: 2026-07-17 22:48:29

Decoding Base64

Time of First Successful Submission: 2026-07-17 22:48:44

Encoding Base64

Time of First Successful Submission: 2026-07-17 22:48:59

Dealing with Obfuscation

Time of First Successful Submission: 2026-07-17 22:49:14

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-07-17 22:49:28

Your First HTTP Request

Time of First Successful Submission: 2026-07-17 22:49:46

Reading Flask

Time of First Successful Submission: 2026-07-17 22:50:01

Commented Data

Time of First Successful Submission: 2026-07-17 22:50:15

HTTP Metadata

Time of First Successful Submission: 2026-07-17 22:50:29

HTTP (netcat)

Time of First Successful Submission: 2026-07-17 22:50:44

HTTP Paths (netcat)

Time of First Successful Submission: 2026-07-17 22:50:59

HTTP (curl)

Time of First Successful Submission: 2026-07-17 22:51:13

HTTP (python)

Time of First Successful Submission: 2026-07-17 22:51:28

HTTP Host Header (python)

Time of First Successful Submission: 2026-07-17 22:51:44

HTTP Host Header (curl)

Time of First Successful Submission: 2026-07-17 22:51:59

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-07-17 22:52:14

URL Encoding (netcat)

Time of First Successful Submission: 2026-07-17 22:52:28

HTTP GET Parameters

Time of First Successful Submission: 2026-07-17 22:52:43

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-07-17 22:53:00

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-07-17 22:53:15

HTTP Forms

Time of First Successful Submission: 2026-07-17 22:53:30

HTTP Forms (curl)

Time of First Successful Submission: 2026-07-17 22:53:45

HTTP Forms (netcat)

Time of First Successful Submission: 2026-07-17 22:54:01

HTTP Forms (python)

Time of First Successful Submission: 2026-07-17 22:54:15

HTTP Forms Without Forms

Time of First Successful Submission: 2026-07-17 22:54:30

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-07-17 22:54:45

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-07-17 22:55:01

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-07-17 22:55:16

HTTP Redirects (curl)

Time of First Successful Submission: 2026-07-17 22:55:31

HTTP Redirects (python)

Time of First Successful Submission: 2026-07-17 22:55:46

HTTP Cookies (curl)

Time of First Successful Submission: 2026-07-17 22:56:01

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-07-17 22:56:15

HTTP Cookies (python)

Time of First Successful Submission: 2026-07-17 22:56:29

Server State (python)

Time of First Successful Submission: 2026-07-17 22:56:44

Listening Web

Time of First Successful Submission: 2026-07-17 22:56:59

Speaking Redirects

Time of First Successful Submission: 2026-07-17 22:57:14

JavaScript Redirects

Time of First Successful Submission: 2026-07-17 22:57:28

Including JavaScript

Time of First Successful Submission: 2026-07-17 22:57:42

HTTP (javascript)

Time of First Successful Submission: 2026-07-17 22:57:57

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-07-17 22:58:12

HTTP Forms (javascript)

Time of First Successful Submission: 2026-07-17 22:58:27

cat

Time of First Successful Submission: 2026-07-17 22:58:45

more

Time of First Successful Submission: 2026-07-17 22:59:00

less

Time of First Successful Submission: 2026-07-17 22:59:15

tail

Time of First Successful Submission: 2026-07-17 22:59:31

head

Time of First Successful Submission: 2026-07-17 22:59:46

sort

Time of First Successful Submission: 2026-07-17 23:00:01

vim

Time of First Successful Submission: 2026-07-17 23:00:15

emacs

Time of First Successful Submission: 2026-07-17 23:00:30

nano

Time of First Successful Submission: 2026-07-17 23:00:46

rev

Time of First Successful Submission: 2026-07-17 23:01:01

od

Time of First Successful Submission: 2026-07-17 23:01:15

hd

Time of First Successful Submission: 2026-07-17 23:01:30

xxd

Time of First Successful Submission: 2026-07-17 23:01:46

base32

Time of First Successful Submission: 2026-07-17 23:02:01

base64

Time of First Successful Submission: 2026-07-17 23:02:16

split

Time of First Successful Submission: 2026-07-17 23:02:30

gzip

Time of First Successful Submission: 2026-07-17 23:02:45

bzip2

Time of First Successful Submission: 2026-07-17 23:03:00

zip

Time of First Successful Submission: 2026-07-17 23:03:15

tar

Time of First Successful Submission: 2026-07-17 23:03:29

ar

Time of First Successful Submission: 2026-07-17 23:03:44

cpio

Time of First Successful Submission: 2026-07-17 23:04:00

genisoimage

Time of First Successful Submission: 2026-07-17 23:04:14

env

Time of First Successful Submission: 2026-07-17 23:04:29

find

Time of First Successful Submission: 2026-07-17 23:04:44

make

Time of First Successful Submission: 2026-07-17 23:04:58

nice

Time of First Successful Submission: 2026-07-17 23:05:13

timeout

Time of First Successful Submission: 2026-07-17 23:05:28

stdbuf

Time of First Successful Submission: 2026-07-17 23:05:43

setarch

Time of First Successful Submission: 2026-07-17 23:05:58

watch

Time of First Successful Submission: 2026-07-17 23:06:13

socat

Time of First Successful Submission: 2026-07-17 23:06:28

whiptail

Time of First Successful Submission: 2026-07-17 23:06:43

awk

Time of First Successful Submission: 2026-07-17 23:06:58

sed

Time of First Successful Submission: 2026-07-17 23:07:13

ed

Time of First Successful Submission: 2026-07-17 23:07:33

chown

Time of First Successful Submission: 2026-07-17 23:07:49

chmod

Time of First Successful Submission: 2026-07-17 23:08:05

cp

Time of First Successful Submission: 2026-07-17 23:08:21

mv

Time of First Successful Submission: 2026-07-17 23:08:37

perl

Time of First Successful Submission: 2026-07-17 23:08:53

python

Time of First Successful Submission: 2026-07-17 23:09:09

ruby

Time of First Successful Submission: 2026-07-17 23:09:25

bash

Time of First Successful Submission: 2026-07-17 23:09:39

date

Time of First Successful Submission: 2026-07-17 23:09:54

dmesg

Time of First Successful Submission: 2026-07-17 23:10:10

wc

Time of First Successful Submission: 2026-07-17 23:10:26

gcc

Time of First Successful Submission: 2026-07-17 23:10:40

as

Time of First Successful Submission: 2026-07-17 23:10:55

wget

Time of First Successful Submission: 2026-07-17 23:11:09

ssh-keygen

Time of First Successful Submission: 2026-07-17 23:11:24

SQL Queries

Time of First Successful Submission: 2026-07-17 23:11:46

Filtering SQL

Time of First Successful Submission: 2026-07-17 23:12:00

Choosing Columns

Time of First Successful Submission: 2026-07-17 23:12:16

Exclusionary Filtering

Time of First Successful Submission: 2026-07-17 23:12:31

Filtering Strings

Time of First Successful Submission: 2026-07-17 23:12:46

Filtering on Expressions

Time of First Successful Submission: 2026-07-17 23:13:01

SELECTing Expressions

Time of First Successful Submission: 2026-07-17 23:13:17

Composite Conditions

Time of First Successful Submission: 2026-07-17 23:13:33

Reaching Your LIMITs

Time of First Successful Submission: 2026-07-17 23:13:48

Querying Metadata

Time of First Successful Submission: 2026-07-17 23:14:03

Desert CodeSprouts

7 / 7 6 / 154

Password Cracking

Time of First Successful Submission: 2026-07-17 17:15:59

Information Gathering

Time of First Successful Submission: 2026-07-17 17:16:19

Encryption Breaking

Time of First Successful Submission: 2026-07-17 17:16:35

Keyword Substitution Cipher

Time of First Successful Submission: 2026-07-17 17:16:55

Phishing

Time of First Successful Submission: 2026-07-17 17:17:10

Hash Collision

Time of First Successful Submission: 2026-07-17 17:17:27

PacMan

Time of First Successful Submission: 2026-07-17 17:17:47

DSU Cyber Camps

10 / 104 23948 / 53628

Using the Terminal

Time of First Successful Submission: 2026-07-17 17:14:28

Using the VSCode Workspace

Time of First Successful Submission: 2024-05-17 22:15:41

Using the GUI Desktop

Time of First Successful Submission: 2024-05-17 22:16:17

Pasting into the Desktop

Time of First Successful Submission: 2024-05-18 19:19:52

Restarting Challenges

Time of First Successful Submission: 2026-07-17 17:14:59

Challenge Programs

Time of First Successful Submission: 2024-05-18 19:20:47

The Flag File

Time of First Successful Submission: 2024-05-18 19:22:10

Using Privileged Mode

Time of First Successful Submission: 2024-05-18 19:23:51

Persistent Home Directories - One

Time of First Successful Submission: 2024-05-18 19:28:47

Persistent Home Directories - Two

Time of First Successful Submission: 2024-05-18 19:29:13

GCA CTF

10 / 104 23948 / 53628

Using the Terminal

Time of First Successful Submission: 2026-07-17 17:14:28

Using the VSCode Workspace

Time of First Successful Submission: 2024-05-17 22:15:41

Using the GUI Desktop

Time of First Successful Submission: 2024-05-17 22:16:17

Pasting into the Desktop

Time of First Successful Submission: 2024-05-18 19:19:52

Restarting Challenges

Time of First Successful Submission: 2026-07-17 17:14:59

Challenge Programs

Time of First Successful Submission: 2024-05-18 19:20:47

The Flag File

Time of First Successful Submission: 2024-05-18 19:22:10

Using Privileged Mode

Time of First Successful Submission: 2024-05-18 19:23:51

Persistent Home Directories - One

Time of First Successful Submission: 2024-05-18 19:28:47

Persistent Home Directories - Two

Time of First Successful Submission: 2024-05-18 19:29:13

Hydra Dojo

1 / 8 36 / 36

BabyWindows

Time of First Successful Submission: 2026-07-16 21:05:01

Kitten Playground

1 / 1 17 / 18

Rijndael

Time of First Successful Submission: 2026-07-16 21:18:41

Privilege Escalation

132 / 564 35 / 274

aa-exec

Time of First Successful Submission: 2025-10-24 22:46:39

ab

Time of First Successful Submission: 2025-10-13 19:08:47

agetty

Time of First Successful Submission: 2025-10-25 03:41:55

alpine

Time of First Successful Submission: 2025-10-24 22:48:48

ar

Time of First Successful Submission: 2025-10-13 19:09:38

arj

Time of First Successful Submission: 2025-10-24 22:49:49

arp

Time of First Successful Submission: 2025-10-25 03:42:20

as

Time of First Successful Submission: 2025-10-13 19:10:04

ascii-xfr

Time of First Successful Submission: 2025-10-24 22:54:34

ash

Time of First Successful Submission: 2025-10-24 22:54:55

awk

Time of First Successful Submission: 2025-10-13 19:10:30

base32

Time of First Successful Submission: 2025-10-13 19:12:00

base64

Time of First Successful Submission: 2025-10-13 19:12:34

basenc

Time of First Successful Submission: 2025-10-24 23:07:52

basez

Time of First Successful Submission: 2025-10-24 23:08:18

bash

Time of First Successful Submission: 2025-10-13 19:13:00

batcat

Time of First Successful Submission: 2025-10-13 19:13:18

bridge

Time of First Successful Submission: 2025-10-25 03:53:13

busctl

Time of First Successful Submission: 2025-10-13 19:55:27

bzip2

Time of First Successful Submission: 2025-10-13 20:29:22

cat

Time of First Successful Submission: 2025-10-13 19:13:39

chgrp

Time of First Successful Submission: 2025-10-13 19:14:20

chmod

Time of First Successful Submission: 2025-10-13 19:14:44

choom

Time of First Successful Submission: 2025-10-13 23:34:16

chown

Time of First Successful Submission: 2025-10-13 19:15:09

chroot

Time of First Successful Submission: 2025-10-25 03:57:06

clamscan

Time of First Successful Submission: 2025-10-25 03:57:36

cmp

Time of First Successful Submission: 2025-10-13 20:28:11

column

Time of First Successful Submission: 2025-10-13 23:34:29

comm

Time of First Successful Submission: 2025-10-13 23:34:54

cp

Time of First Successful Submission: 2025-10-13 19:15:33

cpio

Time of First Successful Submission: 2025-10-13 23:35:55

cpulimit

Time of First Successful Submission: 2025-10-25 03:58:11

csh

Time of First Successful Submission: 2025-10-25 03:58:26

csplit

Time of First Successful Submission: 2025-10-13 23:36:38

csvtool

Time of First Successful Submission: 2025-10-25 03:58:46

curl

Time of First Successful Submission: 2025-10-13 23:38:31

cut

Time of First Successful Submission: 2025-10-13 23:38:52

dash

Time of First Successful Submission: 2025-10-13 19:15:57

date

Time of First Successful Submission: 2025-10-13 23:39:10

dd

Time of First Successful Submission: 2025-10-13 23:39:53

dialog

Time of First Successful Submission: 2025-10-25 03:59:54

diff

Time of First Successful Submission: 2025-10-13 19:16:21

dig

Time of First Successful Submission: 2025-10-25 04:00:17

distcc

Time of First Successful Submission: 2025-10-25 04:00:38

ed

Time of First Successful Submission: 2025-10-13 23:42:00

efax

Time of First Successful Submission: 2025-10-25 04:11:18

elvish

Time of First Successful Submission: 2025-10-25 04:12:09

emacs

Time of First Successful Submission: 2025-10-14 03:18:29

env

Time of First Successful Submission: 2025-10-13 23:42:33

eqn

Time of First Successful Submission: 2025-10-13 23:42:59

expand

Time of First Successful Submission: 2025-10-13 23:43:23

expect

Time of First Successful Submission: 2025-10-13 23:43:51

file

Time of First Successful Submission: 2025-10-13 23:44:09

find

Time of First Successful Submission: 2025-10-13 23:44:29

fish

Time of First Successful Submission: 2025-10-13 19:16:40

flock

Time of First Successful Submission: 2025-10-13 23:45:04

fmt

Time of First Successful Submission: 2025-10-13 23:45:47

fold

Time of First Successful Submission: 2025-10-13 23:46:07

gawk

Time of First Successful Submission: 2025-10-25 04:14:02

gcore

Time of First Successful Submission: 2025-10-14 01:31:05

gdb

Time of First Successful Submission: 2025-10-14 01:31:45

genisoimage

Time of First Successful Submission: 2025-10-14 01:32:01

grep

Time of First Successful Submission: 2025-10-14 01:32:13

gtester

Time of First Successful Submission: 2025-10-14 01:33:21

gzip

Time of First Successful Submission: 2025-10-14 01:35:16

head

Time of First Successful Submission: 2025-10-14 01:35:29

hexdump

Time of First Successful Submission: 2025-10-14 01:36:03

iconv

Time of First Successful Submission: 2025-10-14 01:36:29

install

Time of First Successful Submission: 2025-10-14 01:37:11

ionice

Time of First Successful Submission: 2025-10-14 01:37:47

ip

Time of First Successful Submission: 2025-10-14 01:38:10

join

Time of First Successful Submission: 2025-10-14 01:38:29

jq

Time of First Successful Submission: 2025-10-14 01:39:25

less

Time of First Successful Submission: 2025-10-14 01:40:07

look

Time of First Successful Submission: 2025-10-14 01:40:36

make

Time of First Successful Submission: 2025-10-14 01:41:05

mawk

Time of First Successful Submission: 2025-10-14 01:41:24

more

Time of First Successful Submission: 2025-10-14 01:41:36

mv

Time of First Successful Submission: 2025-10-13 19:17:23

nasm

Time of First Successful Submission: 2025-10-14 01:42:01

nice

Time of First Successful Submission: 2025-10-14 01:42:56

nl

Time of First Successful Submission: 2025-10-14 01:43:13

nmap

Time of First Successful Submission: 2025-10-14 01:44:11

nohup

Time of First Successful Submission: 2025-10-14 01:44:32

od

Time of First Successful Submission: 2025-10-14 01:45:17

openssl

Time of First Successful Submission: 2025-10-14 01:45:36

paste

Time of First Successful Submission: 2025-10-14 01:45:58

perl

Time of First Successful Submission: 2025-10-14 01:46:16

pidstat

Time of First Successful Submission: 2025-10-14 01:46:58

pr

Time of First Successful Submission: 2025-10-14 01:47:16

ptx

Time of First Successful Submission: 2025-10-14 01:47:34

python

Time of First Successful Submission: 2025-10-14 02:06:06

rev

Time of First Successful Submission: 2025-10-14 01:48:09

rsync

Time of First Successful Submission: 2025-10-14 02:05:00

run-parts

Time of First Successful Submission: 2025-10-14 02:06:44

sed

Time of First Successful Submission: 2025-10-14 02:06:59

setarch

Time of First Successful Submission: 2025-10-14 02:07:15

setfacl

Time of First Successful Submission: 2025-10-14 02:08:36

shuf

Time of First Successful Submission: 2025-10-14 02:08:57

soelim

Time of First Successful Submission: 2025-10-14 02:09:21

sort

Time of First Successful Submission: 2025-10-14 02:09:30

sqlite3

Time of First Successful Submission: 2025-10-14 02:11:43

ss

Time of First Successful Submission: 2025-10-14 02:11:59

ssh-agent

Time of First Successful Submission: 2025-10-14 02:12:50

ssh-keygen

Time of First Successful Submission: 2025-10-14 02:28:00

ssh-keyscan

Time of First Successful Submission: 2025-10-14 02:28:19

stdbuf

Time of First Successful Submission: 2025-10-14 02:28:49

strace

Time of First Successful Submission: 2025-10-14 02:29:29

su

Time of First Successful Submission: 2025-10-13 19:18:03

tac

Time of First Successful Submission: 2025-10-14 02:31:47

tail

Time of First Successful Submission: 2025-10-14 02:32:09

taskset

Time of First Successful Submission: 2025-10-14 02:33:40

tbl

Time of First Successful Submission: 2025-10-14 02:34:25

tee

Time of First Successful Submission: 2025-10-14 02:41:09

tic

Time of First Successful Submission: 2025-10-14 02:42:17

timeout

Time of First Successful Submission: 2025-10-14 02:43:18

troff

Time of First Successful Submission: 2025-10-14 02:43:53

ul

Time of First Successful Submission: 2025-10-14 02:44:10

unexpand

Time of First Successful Submission: 2025-10-14 02:44:26

uniq

Time of First Successful Submission: 2025-10-14 02:44:43

unzip

Time of First Successful Submission: 2025-10-14 03:15:07

update-alternatives

Time of First Successful Submission: 2025-10-14 03:15:59

vim

Time of First Successful Submission: 2025-10-14 03:19:39

watch

Time of First Successful Submission: 2025-10-14 03:04:48

wc

Time of First Successful Submission: 2025-10-14 03:05:09

wget

Time of First Successful Submission: 2025-10-14 03:05:42

whiptail

Time of First Successful Submission: 2025-10-14 03:09:33

xargs

Time of First Successful Submission: 2025-10-14 03:10:13

xxd

Time of First Successful Submission: 2025-10-14 03:10:34

xz

Time of First Successful Submission: 2025-10-14 03:11:01

zsh

Time of First Successful Submission: 2025-10-13 19:18:22

Pwndamentals

21 / 21 3 / 30

Return to Win

Time of First Successful Submission: 2026-06-12 21:12:58

Return to Shellcode

Time of First Successful Submission: 2026-06-12 21:13:14

Return to Text

Time of First Successful Submission: 2026-06-12 21:13:30

Integer Overflow

Time of First Successful Submission: 2026-07-16 21:17:48

Partial Overwrite

Time of First Successful Submission: 2026-07-16 21:17:40

Canary Bypass

Time of First Successful Submission: 2026-07-16 21:17:34

Return to PLT

Time of First Successful Submission: 2026-06-12 21:13:46

GOT Overwrite

Time of First Successful Submission: 2026-07-16 21:17:25

Return to libc

Time of First Successful Submission: 2026-06-12 21:14:04

Off-by-One

Time of First Successful Submission: 2026-07-16 21:17:16

Return to Syscall

Time of First Successful Submission: 2026-07-16 21:17:10

Return to CSU

Time of First Successful Submission: 2026-06-12 21:14:21

Stack Pivot

Time of First Successful Submission: 2026-07-16 21:17:04

Return to Sigreturn

Time of First Successful Submission: 2026-07-16 21:16:57

Return to mprotect

Time of First Successful Submission: 2026-07-16 21:16:50

Return to dlresolve

Time of First Successful Submission: 2026-07-16 21:16:42

Welcome to Ring 0

Time of First Successful Submission: 2026-06-12 21:14:42

Return to Userland

Time of First Successful Submission: 2026-06-12 21:14:58

Chain Reaction

Time of First Successful Submission: 2026-06-12 21:15:17

Hide and Seek

Time of First Successful Submission: 2026-07-16 21:16:24

Spectre V1

Time of First Successful Submission: 2026-07-16 21:16:17

RII Router Dojo

2 / 2 6 / 11

Emulating DIR-868L

Time of First Successful Submission: 2026-07-17 15:34:26

Exploiting CVE-2017-14948

Time of First Successful Submission: 2026-07-17 15:57:06