claude-wong

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ACSAC CTFs

6 / 21 6 / 268


Pānānā

Time of First Successful Submission: 2026-04-28 06:08:07

Ka hei hei o nā keiki

Time of First Successful Submission: 2026-04-28 09:49:20

Iwakeli`i

Time of First Successful Submission: 2026-04-28 07:37:39

KuĢ„kalaniŹ»ehu - doubleblindside

Time of First Successful Submission: 2026-04-28 06:25:40

Ka Mō'ī

Time of First Successful Submission: 2026-04-28 06:43:02

WaŹ»a

Time of First Successful Submission: 2026-04-28 06:14:47


Cryptographic Exploitation

48 / 59 7 / 480


Language Barrier

Time of First Successful Submission: 2026-05-15 22:48:16

Baby Steps

Time of First Successful Submission: 2026-05-15 22:49:03

Roman Cryptography

Time of First Successful Submission: 2026-05-15 22:49:59

Obscura

Time of First Successful Submission: 2026-05-15 22:50:56

XOR

Time of First Successful Submission: 2026-05-15 22:53:02

XOR 2.0

Time of First Successful Submission: 2026-05-15 22:54:05

Modular Arithmetic

Time of First Successful Submission: 2026-05-15 23:07:12

Modular Inverse

Time of First Successful Submission: 2026-05-15 23:09:37

Chinese Remainder Theorem

Time of First Successful Submission: 2026-05-15 23:11:46

Fermat Theorem

Time of First Successful Submission: 2026-05-15 23:13:54

Final Boss

Time of First Successful Submission: 2026-05-15 23:17:54

CBC Mode Me

Time of First Successful Submission: 2026-05-15 23:34:22

Curfuffle

Time of First Successful Submission: 2026-05-27 20:03:30

Curfuffle 2

Time of First Successful Submission: 2026-05-27 20:05:28

Curfuffle 3

Time of First Successful Submission: 2026-05-27 20:07:36

Blinding

Time of First Successful Submission: 2026-05-27 20:17:28

meddlingmiddle

Time of First Successful Submission: 2026-05-27 20:20:53

Wiener

Time of First Successful Submission: 2026-05-27 20:22:53

SHA3-256

Time of First Successful Submission: 2026-05-15 23:56:36

SHAKE256

Time of First Successful Submission: 2026-05-15 23:57:35

Preimage Resistance

Time of First Successful Submission: 2026-05-16 00:01:14

Collision Resistance

Time of First Successful Submission: 2026-05-16 00:02:12

Length Extension

Time of First Successful Submission: 2026-05-16 00:03:28

CBC-MAC

Time of First Successful Submission: 2026-05-16 00:04:11

CBC-MAC with Random IV

Time of First Successful Submission: 2026-05-16 00:05:21

CBC-MAC Length Extension

Time of First Successful Submission: 2026-05-16 00:08:29

Weak HMAC Keys

Time of First Successful Submission: 2026-05-16 12:30:46

John Alderson

Time of First Successful Submission: 2026-05-15 23:46:34

Larry Sims

Time of First Successful Submission: 2026-05-16 13:10:11

Don Halpin

Time of First Successful Submission: 2026-05-16 20:46:05

Seed warmup

Time of First Successful Submission: 2026-05-16 03:48:44

Leaky LCG I

Time of First Successful Submission: 2026-05-28 18:17:01

Leaky LCG II

Time of First Successful Submission: 2026-05-28 18:20:24

Leaky LCG III

Time of First Successful Submission: 2026-05-28 18:21:47

Lockpick LCG I

Time of First Successful Submission: 2026-05-16 05:18:07

Lockpick LCG II

Time of First Successful Submission: 2026-05-16 05:19:18

Seed warmup

Time of First Successful Submission: 2026-05-16 03:56:00

XOR-cist I

Time of First Successful Submission: 2026-05-16 05:00:38

XOR-cist II

Time of First Successful Submission: 2026-05-16 05:01:54

XOR-cist III

Time of First Successful Submission: 2026-05-16 05:03:02

Baby Gauss

Time of First Successful Submission: 2026-05-27 20:26:01

level1

Time of First Successful Submission: 2026-05-27 20:28:32

level2

Time of First Successful Submission: 2026-05-27 20:29:59

level3

Time of First Successful Submission: 2026-05-27 20:34:07

level4

Time of First Successful Submission: 2026-05-27 20:37:25

Baby LLL

Time of First Successful Submission: 2026-05-27 20:38:48

level7

Time of First Successful Submission: 2026-05-27 20:41:29

coppersmith1

Time of First Successful Submission: 2026-05-27 20:43:23


Intro to Programming Languages

234 / 234 18 / 34393


Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-05-29 08:38:22

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2026-05-28 07:28:35

Lecture 1.2. Linux Shells

Time of First Successful Submission: 2026-05-29 08:40:16

Lecture 1.3. Linux File System

Time of First Successful Submission: 2026-05-29 08:42:20

Lecture 1.4. Executing Programs

Time of First Successful Submission: 2026-05-29 08:44:52

Lecture 1.5. Common Commands

Time of First Successful Submission: 2026-05-29 08:45:20

Lab 1.5.2 - Using ls and cd

Time of First Successful Submission: 2026-05-28 07:38:15

Lab 1.5.3 - Using grep

Time of First Successful Submission: 2026-05-28 07:40:02

Lecture 1.6. Redirection of I/O

Time of First Successful Submission: 2026-05-29 08:45:48

Lab 1.6 - Using grep and pipe

Time of First Successful Submission: 2026-05-28 07:41:37

Lecture 1.7. Regular Expressions

Time of First Successful Submission: 2026-05-29 08:46:19

Lecture 1.8. Misc Linux

Time of First Successful Submission: 2026-05-29 08:46:46

Lecture 1.9. Testing Code on pwn.college

Time of First Successful Submission: 2026-05-29 08:47:14

Lab 1.9 - Test some If Statements

Time of First Successful Submission: 2026-05-28 07:43:59

P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2026-05-28 07:44:42

Commands

Time of First Successful Submission: 2026-04-28 01:39:03

Command Arguments

Time of First Successful Submission: 2026-04-28 01:39:49

Command History

Time of First Successful Submission: 2026-04-28 01:40:53

The Root Path

Time of First Successful Submission: 2026-04-28 01:45:19

Absolute Paths

Time of First Successful Submission: 2026-04-28 01:46:19

Changing position

Time of First Successful Submission: 2026-04-28 01:47:14

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-28 01:48:23

Relative Paths

Time of First Successful Submission: 2026-04-28 01:49:05

P1.0 Level 5 read

Time of First Successful Submission: 2026-05-28 07:54:51

Cat

Time of First Successful Submission: 2026-04-28 01:51:39

Ls

Time of First Successful Submission: 2026-04-28 01:57:03

Ls All

Time of First Successful Submission: 2026-04-28 02:00:37

P1.0 Level 2 list dir

Time of First Successful Submission: 2026-05-28 07:58:24

Find

Time of First Successful Submission: 2026-04-28 02:05:57

P1.0 Level 3 change dir

Time of First Successful Submission: 2026-05-28 07:59:20

P1.0 Level 4 move

Time of First Successful Submission: 2026-05-28 09:14:37

P1.0 Level 6 grep

Time of First Successful Submission: 2026-05-28 09:15:46

P1.0 Level 7 execute

Time of First Successful Submission: 2026-05-28 09:16:33

Piping Echo

Time of First Successful Submission: 2026-04-28 02:24:15

Piping Stdout

Time of First Successful Submission: 2026-04-28 02:25:05

Piping Stdin

Time of First Successful Submission: 2026-04-28 02:28:03

P1.0 Level 8 stdin

Time of First Successful Submission: 2026-05-28 09:17:10

P1.0 Level 9 pipe

Time of First Successful Submission: 2026-05-28 09:17:50

P1.0 Level 10 args

Time of First Successful Submission: 2026-05-28 09:18:28

P1.0 Level 11 gccpipe

Time of First Successful Submission: 2026-05-28 09:19:06

P1.0 Level 12 speedy

Time of First Successful Submission: 2026-05-28 09:19:54

P1.0 Level 13 testing

Time of First Successful Submission: 2026-05-28 09:21:12

P1.0 Level 14 ifs test

Time of First Successful Submission: 2026-05-28 09:22:22

Lecture 2.1.1.0 Paradigms and C

Time of First Successful Submission: 2026-05-29 08:47:42

Lecture 2.1.2. First C Program and Vars

Time of First Successful Submission: 2026-05-29 08:48:11

Lecture 2.1.2.1. Standard Output

Time of First Successful Submission: 2026-05-29 08:48:41

Lecture 2.1.2.2. Standard In

Time of First Successful Submission: 2026-05-29 08:49:11

Lab 2.1.2.1 - C Input

Time of First Successful Submission: 2026-05-28 08:21:52

Lecture 2.1.2.3. Flow Control & Command Line Arguments

Time of First Successful Submission: 2026-05-29 08:49:40

EzLab 2.1.2.3 - Control Flow

Time of First Successful Submission: 2026-05-28 08:23:26

Lecture 2.1.3.0 Dec & Def Functions

Time of First Successful Submission: 2026-05-29 08:50:10

Lecture 2.1.3.1. Globals & Locals

Time of First Successful Submission: 2026-05-29 08:50:38

Lecture 2.1.3.2. Function Params and Ret Vals

Time of First Successful Submission: 2026-05-29 08:51:06

EzLab 2.1.3.2 Pass by Value

Time of First Successful Submission: 2026-05-28 08:24:45

Lab 2.1.3.1 - Functions

Time of First Successful Submission: 2026-05-28 08:26:10

Lecture 2.1.4. Global and Local Memory

Time of First Successful Submission: 2026-05-29 08:51:36

Lecture 2.1.4.1. Function Frames

Time of First Successful Submission: 2026-05-29 08:52:04

Lecture 2.1.5. Debugging C Programs

Time of First Successful Submission: 2026-05-29 08:52:32

Lab 2.1.5.1 - Using VSCode Debugger

Time of First Successful Submission: 2026-05-28 08:27:34

P2.1 Level 01 C Force

Time of First Successful Submission: 2026-05-28 08:42:41

P2.1 Level 02 C Args

Time of First Successful Submission: 2026-05-28 08:43:40

P2.1 Level 03 scanf

Time of First Successful Submission: 2026-05-28 08:45:49

P2.1 Level 04 getchar

Time of First Successful Submission: 2026-05-28 08:49:57

P2.1 Level 05 add-n-sub

Time of First Successful Submission: 2026-05-28 08:51:37

P2.1 Level 06 debug me

Time of First Successful Submission: 2026-05-28 08:52:43

Lecture 2.2.1.1. C-Arrays

Time of First Successful Submission: 2026-05-29 09:40:40

Lecture 2.2.2. C-Strings

Time of First Successful Submission: 2026-05-29 08:53:22

Lab 2.2.2.0 - Print C-String by Character

Time of First Successful Submission: 2026-05-28 08:32:41

Lab 2.2.2.1 - Debugging with Seg Faults

Time of First Successful Submission: 2026-05-28 08:34:02

Lecture 2.2.3.1. Input to String

Time of First Successful Submission: 2026-05-29 08:53:50

Lecture 2.2.3.2 Using fgets

Time of First Successful Submission: 2026-05-29 08:54:18

Lecture 2.2.3.3. Input Buffer

Time of First Successful Submission: 2026-05-29 08:54:46

Lecture 2.2.4. File operations

Time of First Successful Submission: 2026-05-29 09:41:25

Lab 2.2.4.1 - LeeT CaSe

Time of First Successful Submission: 2026-05-28 08:35:54

Lecture 2.2.5.1. strlen

Time of First Successful Submission: 2026-05-29 08:55:36

EzLab 2.2.5.1 - String Length (strlen)

Time of First Successful Submission: 2026-05-28 08:36:52

Lecture 2.2.5.2. strcat

Time of First Successful Submission: 2026-05-29 08:56:04

EzLab 2.2.5.2 - String Concatenate (strcat)

Time of First Successful Submission: 2026-05-28 08:37:59

Lecture 2.2.5.3. strcmp

Time of First Successful Submission: 2026-05-29 08:56:34

EzLab 2.2.5.3 - String Compare (strcmp)

Time of First Successful Submission: 2026-05-28 08:39:01

Lecture 2.2.5.4. strcpy

Time of First Successful Submission: 2026-05-29 08:57:05

EzLab 2.2.5.4 - String Copy (strcpy/strncpy)

Time of First Successful Submission: 2026-05-28 08:40:04

Lecture 2.2.5.6. strspn

Time of First Successful Submission: 2026-05-29 08:57:32

Lab 2.2.5.6 - String Highlighter

Time of First Successful Submission: 2026-05-28 08:41:21

P2.2 Level 01 length

Time of First Successful Submission: 2026-05-28 09:24:27

P2.2 Level 02 c-cat

Time of First Successful Submission: 2026-05-28 09:25:35

P2.2 Level 03 c-copy

Time of First Successful Submission: 2026-05-28 09:26:34

P2.2 Level 04 c-compare

Time of First Successful Submission: 2026-05-28 09:27:56

P2.2 Level 05 c-up

Time of First Successful Submission: 2026-05-28 09:29:37

P2.2 Level 06 c-bugs

Time of First Successful Submission: 2026-05-28 09:31:10

P2.2 Level 07 c-debugger

Time of First Successful Submission: 2026-05-28 09:33:07

P2.2 Level 08 c-debugger2

Time of First Successful Submission: 2026-05-28 09:36:03

P2.2 Level 09 c-grind

Time of First Successful Submission: 2026-05-28 09:37:29

Lecture 2.3.1. Stack pointers

Time of First Successful Submission: 2026-05-29 08:58:03

Lab 2.3.1.0 - Print Non-printable Chars

Time of First Successful Submission: 2026-05-28 14:58:10

Lecture 2.3.2.0 Examples Single Value

Time of First Successful Submission: 2026-05-29 08:58:30

Lecture 2.3.2.1. Examples of Ptr to Array

Time of First Successful Submission: 2026-05-29 08:58:58

EzLab 2.3.2.1 - Character Pointers

Time of First Successful Submission: 2026-05-28 14:59:32

EzLab 2.3.2.1 - C-String Pointers

Time of First Successful Submission: 2026-05-28 15:00:37

Lecture 2.3.3.1. strstr video

Time of First Successful Submission: 2026-05-29 08:59:25

EzLab 2.3.3.1 - Find str in str (strstr)

Time of First Successful Submission: 2026-05-28 15:01:47

Lab 2.3.3.1 - Find Word Count

Time of First Successful Submission: 2026-05-28 15:03:08

Lecture 2.3.3.2. strtok video

Time of First Successful Submission: 2026-05-29 08:59:53

EzLab 2.3.3.2 - Get tokens (strtok)

Time of First Successful Submission: 2026-05-28 15:04:17

Lab 2.3.3.2 - Word Count

Time of First Successful Submission: 2026-05-28 15:06:07

Lecture 2.3.3.3. strchr video

Time of First Successful Submission: 2026-05-29 09:00:22

Lecture 2.3.3.4. memset

Time of First Successful Submission: 2026-05-29 09:00:53

P2.3 Level 01 Pig Latin

Time of First Successful Submission: 2026-05-28 09:39:45

P2.3 Level 02 Pig Latin

Time of First Successful Submission: 2026-05-28 09:42:39

P2.3 Level 03 Pig Latin

Time of First Successful Submission: 2026-05-28 09:44:20

P2.3 Level 04 Pig Latin

Time of First Successful Submission: 2026-05-28 09:46:15

Lecture 2.4.1.1. struct into

Time of First Successful Submission: 2026-05-29 09:01:21

EzLab 2.4.1.1 - Using a struct

Time of First Successful Submission: 2026-05-28 10:15:48

Lecture 2.4.1.4. string to struct

Time of First Successful Submission: 2026-05-29 09:01:48

EzLab 2.4.1.4 - Struct from string

Time of First Successful Submission: 2026-05-28 10:16:44

Lecture 2.4.1.5. array of struct

Time of First Successful Submission: 2026-05-29 09:02:17

Lab 2.4.1.5 - Songs List

Time of First Successful Submission: 2026-05-28 10:18:03

Lecture 2.4.1.6. enum

Time of First Successful Submission: 2026-05-29 09:02:46

Lecture 2.4.2.1. C preprocessor

Time of First Successful Submission: 2026-05-29 09:03:12

EzLab 2.4.2.1 - C Preprocessor

Time of First Successful Submission: 2026-05-28 10:18:55

Lecture 2.4.2.2. Header files

Time of First Successful Submission: 2026-05-29 09:03:40

Lecture 2.4.2.6. Makefile

Time of First Successful Submission: 2026-05-29 09:04:07

EzLab 2.4.2.6 - Makefiles

Time of First Successful Submission: 2026-05-28 10:19:48

Lab 2.4.2.6 - Make Songs

Time of First Successful Submission: 2026-05-28 10:21:21

Lab 2.4.2.6 - Filter Songs

Time of First Successful Submission: 2026-05-28 10:22:37

Lecture 2.5.1.3. the heap

Time of First Successful Submission: 2026-05-29 09:04:34

Lecture 2.5.1.4. malloc an int

Time of First Successful Submission: 2026-05-29 09:05:04

Lecture 2.5.1.5. create a heap based array

Time of First Successful Submission: 2026-05-29 09:41:55

Lecture 2.5.1.6. free the heap

Time of First Successful Submission: 2026-05-29 09:05:54

EzLab 2.5.1.6 Heap

Time of First Successful Submission: 2026-05-28 10:23:33

Lab 2.5.1.6 - Stack on Heap

Time of First Successful Submission: 2026-05-28 10:24:49

Lecture 2.5.2.1. realloc

Time of First Successful Submission: 2026-05-29 09:06:23

Lecture 2.5.2.2. getline

Time of First Successful Submission: 2026-05-29 09:06:52

Lecture 2.5.2.3. strdup

Time of First Successful Submission: 2026-05-29 09:07:24

Lecture 2.5.2.4. struct malloc

Time of First Successful Submission: 2026-05-29 09:42:25

EzLab 2.5.2.4 Heap Based Array

Time of First Successful Submission: 2026-05-28 10:25:48

Lab 2.5.2.4 - Paging Songs

Time of First Successful Submission: 2026-05-28 10:27:18

P2.5 Level 01 Get Maxxed

Time of First Successful Submission: 2026-05-28 09:48:33

P2.5 Level 02 Load up those items

Time of First Successful Submission: 2026-05-28 12:28:33

P2.5 Level 03 Load the Rooms

Time of First Successful Submission: 2026-05-28 12:42:42

P2.5 Level 04 Free your mind

Time of First Successful Submission: 2026-05-28 12:44:05

P2.5 Level 05 Show me your room

Time of First Successful Submission: 2026-05-28 12:46:27

P2.5 Level 06 Moving Around

Time of First Successful Submission: 2026-05-28 12:47:48

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

Time of First Successful Submission: 2026-05-28 12:49:13

P2.5 Level 08 Dropping Items and Looking

Time of First Successful Submission: 2026-05-28 12:50:43

Lecture 2.6.1. Double Ptr Local

Time of First Successful Submission: 2026-05-29 09:08:14

Lecture 2.6.1.1. Double Ptr Heap

Time of First Successful Submission: 2026-05-29 09:08:43

Lecture 2.6.1.2. Triple Ptr Local

Time of First Successful Submission: 2026-05-29 09:09:11

Lecture 2.6.2.2. Pass-By-Address

Time of First Successful Submission: 2026-05-29 09:09:39

EzLab 2.6.2.2 Pass By Address

Time of First Successful Submission: 2026-05-28 10:28:17

Lecture 2.6.2.3. PBA - Double Ptrs

Time of First Successful Submission: 2026-05-29 09:10:08

Lecture 2.7.1.2. Array lists

Time of First Successful Submission: 2026-05-29 09:10:39

Lecture 2.7.1.3. Array lists insert and remove

Time of First Successful Submission: 2026-05-29 09:11:06

Lecture 2.7.2.0 Linked List

Time of First Successful Submission: 2026-05-29 09:11:34

Lecture 2.7.2.1. Linked List Insert at End

Time of First Successful Submission: 2026-05-29 09:12:01

Lecture 2.7.2.2. Linked List Insert at

Time of First Successful Submission: 2026-05-29 09:12:31

Lecture 2.7.2.3. Linked List Remove

Time of First Successful Submission: 2026-05-29 09:12:59

Lecture 2.7.2.4. Array list v. Linked List

Time of First Successful Submission: 2026-05-29 09:13:27

Lab 2.7.2.4a - Linked List Songs

Time of First Successful Submission: 2026-05-28 10:29:28

Lab 2.7.2.4b - LL Paging

Time of First Successful Submission: 2026-05-28 10:30:51

Lecture 3.1.1. OO Paradigm

Time of First Successful Submission: 2026-05-29 09:13:54

Lecture 3.1.2.1. Differences

Time of First Successful Submission: 2026-05-29 09:14:22

Lecture 3.1.2.2. Buffer and Files

Time of First Successful Submission: 2026-05-29 09:14:49

Lab 3.1.2.2 - Creating Objects from JSON

Time of First Successful Submission: 2026-05-28 10:33:20

Lecture 3.1.3. Classes

Time of First Successful Submission: 2026-05-29 09:42:55

EzLab 3.1.3.0 Classes & Objects

Time of First Successful Submission: 2026-05-28 10:34:13

Lecture 3.2.1. Inheritance introduction

Time of First Successful Submission: 2026-05-29 09:15:39

Lecture 3.2.2. Concrete Classes

Time of First Successful Submission: 2026-05-29 09:16:07

Lecture 3.2.2.1. Abstract Classes

Time of First Successful Submission: 2026-05-29 09:16:36

Lecture 3.2.2.2. Working with inherited classes

Time of First Successful Submission: 2026-05-29 09:17:04

EzLab 3.2.2.2 Inheritance

Time of First Successful Submission: 2026-05-28 10:35:14

Lecture 3.2.4. Header and c++ Files

Time of First Successful Submission: 2026-05-29 09:17:34

P3.2 Level 01 Get Data

Time of First Successful Submission: 2026-05-28 12:54:04

P3.2 Level 02 Create the Shop

Time of First Successful Submission: 2026-05-28 12:55:58

P3.2 Level 03 Shop Interface

Time of First Successful Submission: 2026-05-28 12:58:57

P3.2 Level 04 Buy

Time of First Successful Submission: 2026-05-28 13:02:23

P3.2 Level 05 Search

Time of First Successful Submission: 2026-05-28 13:04:18

P3.2 Level 06 Multi-store

Time of First Successful Submission: 2026-05-28 13:06:26

P3.2 Level 07 Search-Buy

Time of First Successful Submission: 2026-05-28 13:07:30

Lecture 3.3.1.2. Templated Types

Time of First Successful Submission: 2026-05-29 09:18:06

Lecture 3.3.2.1. STL Pairs and Vectors

Time of First Successful Submission: 2026-05-29 09:18:34

Lecture 3.3.2.2. STL Map

Time of First Successful Submission: 2026-05-29 09:19:03

Lecture 3.3.3. Smart Pointers

Time of First Successful Submission: 2026-05-29 09:19:32

Lecture 3.3.4.1. Pass by Reference

Time of First Successful Submission: 2026-05-29 09:19:59

Lecture 3.3.4.2. Operator Overloading

Time of First Successful Submission: 2026-05-29 09:20:30

Lecture 3.3.4.3. Friend keyword

Time of First Successful Submission: 2026-05-29 09:20:59

P3.3 Level 01 Integrate and Load

Time of First Successful Submission: 2026-05-28 13:12:45

P3.3 Level 02 Load Team

Time of First Successful Submission: 2026-05-28 13:14:50

P3.3 Level 03 Remove and Add

Time of First Successful Submission: 2026-05-28 13:17:51

P3.3 Level 04 Battle

Time of First Successful Submission: 2026-05-28 13:20:34

P3.3 Level 05 Challenge the Trainers

Time of First Successful Submission: 2026-05-28 13:23:11

EC 3.3 Level 01 Derek

Time of First Successful Submission: 2026-05-28 14:17:27

EC 3.3 Level 02 Sri

Time of First Successful Submission: 2026-05-28 14:25:35

EC 3.3 Level 03 Daniel10015

Time of First Successful Submission: 2026-05-28 14:27:11

EC 3.3 Level 04 Sayhilel

Time of First Successful Submission: 2026-05-28 14:28:34

EC 3.3 Level 05 Mai

Time of First Successful Submission: 2026-05-28 14:30:21

EC 3.3 Level 06 Memory Mastermind

Time of First Successful Submission: 2026-05-28 14:31:50

EC 3.3 Level 07 Jenna

Time of First Successful Submission: 2026-05-28 14:33:19

EC 3.3 Level 08 Prad

Time of First Successful Submission: 2026-05-28 14:34:47

EC 3.3 Level 09 Jared

Time of First Successful Submission: 2026-05-28 14:36:16

EC 3.3 Level 10 Sidharth

Time of First Successful Submission: 2026-05-28 14:37:44

EC 3.3 Level 11 Jay

Time of First Successful Submission: 2026-05-28 14:39:11

EC 3.3 Level 12 Tricky Mystic

Time of First Successful Submission: 2026-05-28 14:40:48

Lecture 3.4.1.0 BFS 1

Time of First Successful Submission: 2026-05-29 09:21:26

Lecture 3.4.1.1. BFS 2

Time of First Successful Submission: 2026-05-29 09:21:55

EzLab 3.4.1.1 BFS in a Matrix

Time of First Successful Submission: 2026-05-28 10:36:31

Lecture 3.4.2.0 Min Heap 1

Time of First Successful Submission: 2026-05-29 09:22:22

Lecture 3.4.2.1. Min Heap Insert

Time of First Successful Submission: 2026-05-29 09:22:52

Lecture 3.4.2.2. Min Heap Delete

Time of First Successful Submission: 2026-05-29 09:23:19

Lecture 3.4.2.3. Min Heap in Array

Time of First Successful Submission: 2026-05-29 09:23:46

Lecture 3.4.2.4. Min Heap in Arr Insert

Time of First Successful Submission: 2026-05-29 09:24:13

EC3.4 Level 01 - MUD Driver 1

Time of First Successful Submission: 2026-05-28 14:46:57

EC3.4 Level 02 - MUD Driver

Time of First Successful Submission: 2026-05-28 14:49:37

Lecture 4.1.1. Functional Programming Paradigm

Time of First Successful Submission: 2026-05-29 09:24:40

Lecture 4.1.1.2. Why Functional Language

Time of First Successful Submission: 2026-05-29 09:25:08

Lecture 4.1.2.1. Scheme Intro Part 1

Time of First Successful Submission: 2026-05-29 09:25:36

Lecture 4.1.2.2. Scheme Intro Part 2

Time of First Successful Submission: 2026-05-29 09:26:09

Lecture 4.1.2.3. Math Operations in Scheme

Time of First Successful Submission: 2026-05-29 09:26:36

Lecture 4.1.2.4. Predicates and Types

Time of First Successful Submission: 2026-05-29 09:27:03

Lecture 4.1.3.1. Conditionals

Time of First Successful Submission: 2026-05-29 09:27:32

Lab 4.1 - Hello

Time of First Successful Submission: 2026-05-28 10:02:20

Lecture 4.2.1.1. Functions

Time of First Successful Submission: 2026-05-29 09:28:00

Lab 4.2.1 - String Info

Time of First Successful Submission: 2026-05-28 10:04:01

Lecture 4.2.2. List Operations

Time of First Successful Submission: 2026-05-29 09:28:28

Lecture 4.2.2.1. Recursion

Time of First Successful Submission: 2026-05-29 09:28:56

Lecture 4.2.3. Higher Order Functions

Time of First Successful Submission: 2026-05-29 09:29:23

Lab 4.2.2 - String Mangler

Time of First Successful Submission: 2026-05-28 10:05:11

Lab 4.2.3 - Damage Calculator

Time of First Successful Submission: 2026-05-28 10:10:13

P4.2 Level 01 String Info

Time of First Successful Submission: 2026-05-28 09:56:17

P4.2 Level 02 FF Attack Calc

Time of First Successful Submission: 2026-05-28 09:57:34

P4.2 Level 03 FF Base Dmg Calc

Time of First Successful Submission: 2026-05-28 09:58:31

P4.2 Level 04 Factorial 2.0

Time of First Successful Submission: 2026-05-28 09:55:14

P4.2 Level 05 Get Fourthy

Time of First Successful Submission: 2026-05-28 09:59:27

P4.2 Level 06 Filtering My Char Out

Time of First Successful Submission: 2026-05-28 10:00:23


Intro to Cybersecurity

183 / 183 220 / 21009


Path Traversal 1

Time of First Successful Submission: 2026-05-28 05:05:22

Path Traversal 2

Time of First Successful Submission: 2026-05-28 05:08:37

CMDi 1

Time of First Successful Submission: 2026-05-28 05:09:33

CMDi 2

Time of First Successful Submission: 2026-05-28 05:10:40

CMDi 3

Time of First Successful Submission: 2026-05-28 05:11:34

CMDi 4

Time of First Successful Submission: 2026-05-28 05:12:32

CMDi 5

Time of First Successful Submission: 2026-05-28 05:13:23

CMDi 6

Time of First Successful Submission: 2026-05-28 05:14:15

Authentication Bypass 1

Time of First Successful Submission: 2026-05-28 05:15:05

Authentication Bypass 2

Time of First Successful Submission: 2026-05-28 05:15:54

SQLi 1

Time of First Successful Submission: 2026-05-28 05:16:45

SQLi 2

Time of First Successful Submission: 2026-05-28 05:18:15

SQLi 3

Time of First Successful Submission: 2026-05-28 05:19:08

SQLi 4

Time of First Successful Submission: 2026-05-28 05:20:13

SQLi 5

Time of First Successful Submission: 2026-05-28 05:21:36

XSS 1

Time of First Successful Submission: 2026-05-28 05:24:07

XSS 2

Time of First Successful Submission: 2026-05-28 05:25:22

XSS 3

Time of First Successful Submission: 2026-05-28 05:26:34

XSS 4

Time of First Successful Submission: 2026-05-28 05:27:38

XSS 5

Time of First Successful Submission: 2026-05-28 05:30:24

XSS 6

Time of First Successful Submission: 2026-05-28 05:31:40

XSS 7

Time of First Successful Submission: 2026-05-28 05:34:03

CSRF 1

Time of First Successful Submission: 2026-05-28 05:36:24

CSRF 2

Time of First Successful Submission: 2026-05-28 05:37:47

CSRF 3

Time of First Successful Submission: 2026-05-28 05:39:08

CSRF 4

Time of First Successful Submission: 2026-05-28 05:41:35

CSRF 5

Time of First Successful Submission: 2026-05-28 05:42:59

Connect

Time of First Successful Submission: 2026-05-27 23:56:49

Send

Time of First Successful Submission: 2026-05-28 00:01:03

Shutdown

Time of First Successful Submission: 2026-05-28 00:02:24

Listen

Time of First Successful Submission: 2026-05-28 00:03:45

Scan 1

Time of First Successful Submission: 2026-05-28 00:08:34

Scan 2

Time of First Successful Submission: 2026-05-28 00:22:59

Monitor 1

Time of First Successful Submission: 2026-05-28 00:24:28

Monitor 2

Time of First Successful Submission: 2026-05-28 00:27:45

Sniffing Cookies

Time of First Successful Submission: 2026-05-28 00:29:27

Network Configuration

Time of First Successful Submission: 2026-05-28 00:31:16

Firewall 1

Time of First Successful Submission: 2026-05-28 00:32:54

Firewall 2

Time of First Successful Submission: 2026-05-28 00:34:27

Firewall 3

Time of First Successful Submission: 2026-05-28 00:36:02

Denial of Service 1

Time of First Successful Submission: 2026-05-28 00:38:02

Denial of Service 2

Time of First Successful Submission: 2026-05-28 00:40:03

Denial of Service 3

Time of First Successful Submission: 2026-05-28 00:44:21

Ethernet

Time of First Successful Submission: 2026-05-28 00:48:41

IP

Time of First Successful Submission: 2026-05-28 00:50:34

TCP

Time of First Successful Submission: 2026-05-28 00:52:31

TCP Handshake

Time of First Successful Submission: 2026-05-28 00:54:39

UDP

Time of First Successful Submission: 2026-05-28 00:56:18

UDP 2

Time of First Successful Submission: 2026-05-28 00:57:41

UDP Spoofing 1

Time of First Successful Submission: 2026-05-28 00:59:32

UDP Spoofing 2

Time of First Successful Submission: 2026-05-28 01:01:50

UDP Spoofing 3

Time of First Successful Submission: 2026-05-28 01:43:00

UDP Spoofing 4

Time of First Successful Submission: 2026-05-28 01:48:06

ARP

Time of First Successful Submission: 2026-05-28 01:49:58

Intercept

Time of First Successful Submission: 2026-05-28 01:54:30

Man-in-the-Middle

Time of First Successful Submission: 2026-05-28 16:11:03

XOR

Time of First Successful Submission: 2026-05-27 22:52:11

XORing Hex

Time of First Successful Submission: 2026-05-27 22:53:15

XORing ASCII

Time of First Successful Submission: 2026-05-27 22:54:45

XORing ASCII Strings

Time of First Successful Submission: 2026-05-27 22:55:47

One-time Pad

Time of First Successful Submission: 2026-05-27 22:57:11

One-time Pad Tampering

Time of First Successful Submission: 2026-05-27 22:58:51

Many-time Pad

Time of First Successful Submission: 2026-05-27 23:01:36

AES

Time of First Successful Submission: 2026-05-27 23:02:34

AES-ECB-CPA

Time of First Successful Submission: 2026-05-27 23:05:26

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-05-27 23:07:18

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-05-27 23:08:43

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-05-27 23:11:10

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-05-27 23:12:38

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-05-27 23:13:44

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-05-27 23:15:10

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-05-27 23:18:59

AES-CBC

Time of First Successful Submission: 2026-05-27 23:20:01

AES-CBC Tampering

Time of First Successful Submission: 2026-05-27 23:21:35

AES-CBC Resizing

Time of First Successful Submission: 2026-05-27 23:22:36

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-05-27 23:24:23

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-05-27 23:25:44

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-05-27 23:26:58

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-05-27 23:30:19

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-05-27 23:29:01

DHKE

Time of First Successful Submission: 2026-05-27 23:31:33

DHKE-to-AES

Time of First Successful Submission: 2026-05-27 23:32:35

RSA 1

Time of First Successful Submission: 2026-05-27 23:33:31

RSA 2

Time of First Successful Submission: 2026-05-27 23:34:35

RSA 3

Time of First Successful Submission: 2026-05-27 23:40:07

RSA 4

Time of First Successful Submission: 2026-05-27 23:41:14

RSA Signatures

Time of First Successful Submission: 2026-05-27 23:43:40

SHA 1

Time of First Successful Submission: 2026-05-27 23:37:48

SHA 2

Time of First Successful Submission: 2026-05-27 23:39:07

TLS 1

Time of First Successful Submission: 2026-05-27 23:46:14

TLS 2

Time of First Successful Submission: 2026-05-27 23:50:26

level1

Time of First Successful Submission: 2026-05-27 22:15:10

level2

Time of First Successful Submission: 2026-05-27 22:16:00

level3

Time of First Successful Submission: 2026-05-27 22:17:10

level4

Time of First Successful Submission: 2026-05-27 22:18:03

level5

Time of First Successful Submission: 2026-05-27 22:20:56

level6

Time of First Successful Submission: 2026-05-27 22:24:51

level7

Time of First Successful Submission: 2026-05-27 22:26:02

level8

Time of First Successful Submission: 2026-05-27 22:26:59

level9

Time of First Successful Submission: 2026-05-27 22:27:47

level10

Time of First Successful Submission: 2026-05-27 22:28:52

level11

Time of First Successful Submission: 2026-05-27 22:46:15

level12

Time of First Successful Submission: 2026-05-27 22:50:43

level13

Time of First Successful Submission: 2026-05-27 22:35:37

level14

Time of First Successful Submission: 2026-05-27 22:37:05

level15

Time of First Successful Submission: 2026-05-27 22:37:46

level16

Time of First Successful Submission: 2026-05-27 22:38:28

level17

Time of First Successful Submission: 2026-05-27 22:41:57

level18

Time of First Successful Submission: 2026-05-27 22:43:00

level19

Time of First Successful Submission: 2026-05-27 22:43:46

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-05-28 02:36:34

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-05-28 02:44:35

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-05-28 02:55:50

Reading Endianness (Python)

Time of First Successful Submission: 2026-05-28 02:38:20

Reading Endianness (C)

Time of First Successful Submission: 2026-05-28 02:45:26

Reading Endianness (x86)

Time of First Successful Submission: 2026-05-28 02:56:42

Version Information (Python)

Time of First Successful Submission: 2026-05-28 02:39:08

Version Information (C)

Time of First Successful Submission: 2026-05-28 02:46:25

Version Information (x86)

Time of First Successful Submission: 2026-05-28 02:57:30

Metadata and Data (Python)

Time of First Successful Submission: 2026-05-28 02:40:04

Metadata and Data (C)

Time of First Successful Submission: 2026-05-28 02:47:12

Metadata and Data (x86)

Time of First Successful Submission: 2026-05-28 02:58:24

Input Restrictions (Python)

Time of First Successful Submission: 2026-05-28 02:40:53

Input Restrictions (C)

Time of First Successful Submission: 2026-05-28 02:48:07

Input Restrictions (x86)

Time of First Successful Submission: 2026-05-28 02:59:12

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-05-28 02:41:42

Behold the cIMG! (C)

Time of First Successful Submission: 2026-05-28 02:48:56

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-05-28 03:00:53

A Basic cIMG (Python)

Time of First Successful Submission: 2026-05-28 02:42:48

A Basic cIMG (C)

Time of First Successful Submission: 2026-05-28 02:49:48

A Basic cIMG (x86)

Time of First Successful Submission: 2026-05-28 03:01:47

Internal State Mini (C)

Time of First Successful Submission: 2026-05-28 02:50:39

Internal State Mini (x86)

Time of First Successful Submission: 2026-05-28 03:03:11

Internal State (C)

Time of First Successful Submission: 2026-05-28 02:52:15

Internal State (x86)

Time of First Successful Submission: 2026-05-28 03:04:45

File Formats: Directives (C)

Time of First Successful Submission: 2026-05-28 02:54:04

File Formats: Directives (x86)

Time of First Successful Submission: 2026-05-28 03:06:00

The Patch Directive

Time of First Successful Submission: 2026-05-28 03:13:23

Optimizing for Space

Time of First Successful Submission: 2026-05-28 16:26:44

Tweaking Images

Time of First Successful Submission: 2026-05-28 03:34:10

Storage and Retrieval

Time of First Successful Submission: 2026-05-28 03:40:56

Extracting Knowledge

Time of First Successful Submission: 2026-05-28 03:42:46

Advanced Sprites

Time of First Successful Submission: 2026-05-29 07:45:38

Accessing Resources

Time of First Successful Submission: 2026-05-28 03:53:55

Unsafe Animations

Time of First Successful Submission: 2026-05-28 03:55:32

Animations

Time of First Successful Submission: 2026-05-28 03:58:24

Interoperability: Patching Data

Time of First Successful Submission: 2026-05-29 02:56:56

Patching Code

Time of First Successful Submission: 2026-05-29 02:58:32

Patching Control Flow

Time of First Successful Submission: 2026-05-29 02:59:44

Your First Overflow (easy)

Time of First Successful Submission: 2026-04-27 03:47:29

Your First Overflow (hard)

Time of First Successful Submission: 2026-04-27 04:11:35

Precision (easy)

Time of First Successful Submission: 2026-04-27 03:49:31

Precision (hard)

Time of First Successful Submission: 2026-04-27 04:12:56

Variable Control (easy)

Time of First Successful Submission: 2026-04-27 03:50:18

Variable Control (hard)

Time of First Successful Submission: 2026-04-27 04:16:24

Control Hijack (easy)

Time of First Successful Submission: 2026-04-27 03:51:31

Control Hijack (hard)

Time of First Successful Submission: 2026-04-27 04:17:51

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-04-27 03:52:44

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-04-27 04:18:33

PIEs (easy)

Time of First Successful Submission: 2026-04-27 03:56:25

PIEs (hard)

Time of First Successful Submission: 2026-04-27 04:19:22

String Lengths (easy)

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

String Lengths (hard)

Time of First Successful Submission: 2026-04-27 04:20:36

Basic Shellcode

Time of First Successful Submission: 2026-04-27 04:05:19

NOP Sleds

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

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-27 04:07:25

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-27 04:08:45

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-04-27 04:21:35

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-27 04:10:36

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-04-27 04:26:32

ECB-to-Win (easy)

Time of First Successful Submission: 2026-05-28 05:46:30

ECB-to-Win (hard)

Time of First Successful Submission: 2026-05-28 05:50:08

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-05-28 05:51:46

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-05-28 06:00:48

CIMG Screenshots

Time of First Successful Submission: 2026-05-29 01:01:10

CIMG Screenshots 2

Time of First Successful Submission: 2026-05-29 01:30:18

Wily Webserver

Time of First Successful Submission: 2026-05-28 22:49:24

The Watering Hole

Time of First Successful Submission: 2026-05-28 23:35:30

Secure Chat 1

Time of First Successful Submission: 2026-05-28 11:38:11

Secure Chat 2

Time of First Successful Submission: 2026-05-28 20:59:10

Secure Chat 3

Time of First Successful Submission: 2026-05-29 15:13:49

Secure Chat 4

Time of First Successful Submission: 2026-05-29 15:34:24

Secure Chat 5

Time of First Successful Submission: 2026-05-29 15:26:22


Program Security

86 / 162 872 / 9901


ello ackers!

Time of First Successful Submission: 2026-05-29 19:35:14

Syscall Smuggler

Time of First Successful Submission: 2026-05-29 19:36:48

Syscall Shenanigans

Time of First Successful Submission: 2026-05-29 19:38:08

ClobberCode

Time of First Successful Submission: 2026-05-29 21:03:25

Diverse Delivery

Time of First Successful Submission: 2026-05-29 21:00:47

Micro Menace

Time of First Successful Submission: 2026-05-29 20:59:17

Login Leakage (Easy)

Time of First Successful Submission: 2026-05-29 19:51:57

Login Leakage (Hard)

Time of First Successful Submission: 2026-05-29 19:53:09

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-05-29 19:54:45

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-05-29 19:55:33

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-05-29 19:57:33

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-05-29 19:58:59

Pointer Problems (Easy)

Time of First Successful Submission: 2026-05-29 20:00:03

Pointer Problems (Hard)

Time of First Successful Submission: 2026-05-29 20:03:19

Anomalous Array (Easy)

Time of First Successful Submission: 2026-05-29 20:04:57

Anomalous Array (Hard)

Time of First Successful Submission: 2026-05-29 20:06:44

Now you got it (Easy)

Time of First Successful Submission: 2026-05-29 20:11:22

Now you got it (Hard)

Time of First Successful Submission: 2026-05-29 20:16:19

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-05-29 20:22:37

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-05-29 20:26:57

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-05-29 20:29:05

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-05-29 20:33:17

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-05-29 20:38:09

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-05-29 20:44:29

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-05-29 20:47:44

Latent Leak (Easy)

Time of First Successful Submission: 2026-05-29 20:52:24

Fork Foolery (Easy)

Time of First Successful Submission: 2026-05-29 21:12:06

Fork Foolery (Hard)

Time of First Successful Submission: 2026-05-29 21:14:10

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-05-29 21:15:37

Terrible Token (Easy)

Time of First Successful Submission: 2026-05-29 18:10:57

Terrible Token (Hard)

Time of First Successful Submission: 2026-05-29 18:14:25

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-05-29 18:15:40

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-05-29 18:16:54

Bit Bender

Time of First Successful Submission: 2026-05-29 18:18:17

Substitution Sorcery

Time of First Successful Submission: 2026-05-29 18:19:36

Meager Mangler (Easy)

Time of First Successful Submission: 2026-05-29 18:20:38

Meager Mangler (Hard)

Time of First Successful Submission: 2026-05-29 18:22:24

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-05-29 18:24:00

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-05-29 18:25:45

Patched Up (Easy)

Time of First Successful Submission: 2026-05-29 18:45:03

Patched Up (Hard)

Time of First Successful Submission: 2026-05-29 18:46:30

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-05-29 18:47:33

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-05-29 18:48:20

Patch Perfect (Easy)

Time of First Successful Submission: 2026-05-29 18:49:25

Patch Perfect (Hard)

Time of First Successful Submission: 2026-05-29 18:50:33

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-05-30 05:40:38

Know the Yancode (Easy)

Time of First Successful Submission: 2026-05-30 05:57:33

Master the Yancode (Easy)

Time of First Successful Submission: 2026-05-30 06:01:08

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-05-30 06:02:07

When the Cow Says Moo

Time of First Successful Submission: 2026-05-29 19:02:02

Predictable Migration

Time of First Successful Submission: 2026-05-29 19:16:55

Hashing Heifers

Time of First Successful Submission: 2026-05-29 19:15:24

Salty Stampede

Time of First Successful Submission: 2026-05-29 19:25:40

Loose Link (Easy)

Time of First Successful Submission: 2026-05-29 21:28:52

Loose Link (Hard)

Time of First Successful Submission: 2026-05-29 21:30:53

Call Chain (Easy)

Time of First Successful Submission: 2026-05-29 21:32:05

Call Chain (Hard)

Time of First Successful Submission: 2026-05-29 21:33:10

Chain of Command (Easy)

Time of First Successful Submission: 2026-05-29 21:34:46

Chain of Command (Hard)

Time of First Successful Submission: 2026-05-29 21:35:49

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-05-29 21:37:39

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-05-29 21:38:44

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-05-29 21:40:50

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-05-29 21:41:43

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-05-29 21:45:17

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-05-29 21:46:10

Leaky Libc (Easy)

Time of First Successful Submission: 2026-05-29 21:59:37

Leaky Libc (Hard)

Time of First Successful Submission: 2026-05-29 22:00:31

Putsception (Easy)

Time of First Successful Submission: 2026-05-29 22:29:28

Putsception (Hard)

Time of First Successful Submission: 2026-05-29 22:30:29

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-05-29 22:34:22

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-05-29 22:38:51

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-05-29 22:45:03

Freebie (Easy)

Time of First Successful Submission: 2026-05-29 22:55:26

Freebie (Hard)

Time of First Successful Submission: 2026-05-29 22:58:04

Freebin Feint (Easy)

Time of First Successful Submission: 2026-05-29 23:00:21

Freebin Feint (Hard)

Time of First Successful Submission: 2026-05-29 23:02:26

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-05-29 23:04:12

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-05-29 23:05:10

Fickle Free (Easy)

Time of First Successful Submission: 2026-05-29 23:07:49

Fickle Free (Hard)

Time of First Successful Submission: 2026-05-29 23:09:09

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-05-29 23:13:25

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-05-29 23:14:10

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-05-29 23:21:52

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-05-29 23:23:35

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-05-29 23:43:15

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-05-29 23:52:40


System Security

23 / 95 1278 / 3451


chroot-escape-basic

Time of First Successful Submission: 2026-05-30 01:37:09

chroot-shellcode

Time of First Successful Submission: 2026-05-30 01:47:36

chroot-proper

Time of First Successful Submission: 2026-05-30 01:54:42

seccomp-basic

Time of First Successful Submission: 2026-05-30 01:54:49

seccomp-linkat

Time of First Successful Submission: 2026-05-30 01:54:55

seccomp-fchdir

Time of First Successful Submission: 2026-05-30 01:55:01

seccomp-rechroot

Time of First Successful Submission: 2026-05-30 01:55:07

seccomp-arch32

Time of First Successful Submission: 2026-05-30 01:47:43

process-isolation

Time of First Successful Submission: 2026-05-30 02:13:37

level1.0

Time of First Successful Submission: 2026-05-30 02:43:02

level1.1

Time of First Successful Submission: 2026-05-30 02:49:05

level2.0

Time of First Successful Submission: 2026-05-30 02:47:20

level2.1

Time of First Successful Submission: 2026-05-30 03:19:43

level1.0

Time of First Successful Submission: 2026-05-30 07:11:18

level1.1

Time of First Successful Submission: 2026-05-30 07:12:04

level2.0

Time of First Successful Submission: 2026-05-30 07:41:06

level2.1

Time of First Successful Submission: 2026-05-30 07:50:19

level3.0

Time of First Successful Submission: 2026-05-30 08:41:12

level3.1

Time of First Successful Submission: 2026-05-30 08:49:32

level4.0

Time of First Successful Submission: 2026-05-30 08:59:33

level4.1

Time of First Successful Submission: 2026-05-30 09:00:38

level6.0

Time of First Successful Submission: 2026-05-30 08:18:11

level6.1

Time of First Successful Submission: 2026-05-30 08:19:25


Software Exploitation

90 / 90 96 / 2256


Level1.0

Time of First Successful Submission: 2026-04-27 04:50:05

Level1.1

Time of First Successful Submission: 2026-04-27 05:07:28

Level2.0

Time of First Successful Submission: 2026-04-27 05:08:40

Level2.1

Time of First Successful Submission: 2026-04-27 05:09:17

Level3.0

Time of First Successful Submission: 2026-04-27 05:14:53

Level3.1

Time of First Successful Submission: 2026-04-27 05:16:51

Level4.0

Time of First Successful Submission: 2026-04-27 05:18:26

Level4.1

Time of First Successful Submission: 2026-04-27 05:21:22

Level5.0

Time of First Successful Submission: 2026-04-27 05:23:11

Level5.1

Time of First Successful Submission: 2026-04-27 05:26:45

Level6.0

Time of First Successful Submission: 2026-04-27 05:28:21

Level6.1

Time of First Successful Submission: 2026-04-27 05:30:49

Level7.0

Time of First Successful Submission: 2026-04-27 05:55:08

Level7.1

Time of First Successful Submission: 2026-04-27 05:56:39

Level8.0

Time of First Successful Submission: 2026-04-27 07:24:13

Level8.1

Time of First Successful Submission: 2026-04-27 07:26:47

Level9.0

Time of First Successful Submission: 2026-04-27 07:32:04

Level9.1

Time of First Successful Submission: 2026-04-27 07:33:54

Level10.0

Time of First Successful Submission: 2026-04-27 15:21:05

Level10.1

Time of First Successful Submission: 2026-04-27 15:37:19

Level11.0

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

Level11.1

Time of First Successful Submission: 2026-04-27 16:18:37

Level12.0

Time of First Successful Submission: 2026-04-28 01:10:45

Level12.1

Time of First Successful Submission: 2026-04-28 01:23:47

level1

Time of First Successful Submission: 2026-04-28 13:02:08

level2

Time of First Successful Submission: 2026-04-28 13:10:24

level3

Time of First Successful Submission: 2026-04-28 13:14:15

level4

Time of First Successful Submission: 2026-04-28 13:17:39

level5

Time of First Successful Submission: 2026-04-28 13:19:43

level6

Time of First Successful Submission: 2026-04-28 13:22:34

level7

Time of First Successful Submission: 2026-04-28 13:30:06

level8

Time of First Successful Submission: 2026-04-28 13:32:54

level9

Time of First Successful Submission: 2026-04-28 14:07:11

level10

Time of First Successful Submission: 2026-04-28 14:13:07

level11

Time of First Successful Submission: 2026-04-28 14:31:16

level12

Time of First Successful Submission: 2026-04-28 14:37:50

level13

Time of First Successful Submission: 2026-04-28 14:46:20

level14

Time of First Successful Submission: 2026-04-28 16:02:11

level15

Time of First Successful Submission: 2026-04-28 16:15:18

level16

Time of First Successful Submission: 2026-04-28 16:18:11

level17

Time of First Successful Submission: 2026-04-28 16:26:54

level18

Time of First Successful Submission: 2026-04-28 16:53:52

level19

Time of First Successful Submission: 2026-04-29 16:25:19

level20

Time of First Successful Submission: 2026-04-29 16:26:14

level21

Time of First Successful Submission: 2026-04-29 16:27:06

level1.0

Time of First Successful Submission: 2026-05-01 01:56:02

level1.1

Time of First Successful Submission: 2026-05-01 02:03:33

level2.0

Time of First Successful Submission: 2026-05-01 02:14:14

level2.1

Time of First Successful Submission: 2026-05-01 02:16:18

level3.0

Time of First Successful Submission: 2026-05-16 17:08:23

level3.1

Time of First Successful Submission: 2026-05-16 17:32:25

level4.0

Time of First Successful Submission: 2026-05-16 17:40:13

level4.1

Time of First Successful Submission: 2026-05-16 17:44:33

level5.0

Time of First Successful Submission: 2026-05-16 17:46:31

level5.1

Time of First Successful Submission: 2026-05-16 17:48:24

level6.0

Time of First Successful Submission: 2026-05-16 18:21:26

level6.1

Time of First Successful Submission: 2026-05-16 18:22:55

level7.0

Time of First Successful Submission: 2026-05-16 18:27:03

level7.1

Time of First Successful Submission: 2026-05-16 18:28:18

level8.0

Time of First Successful Submission: 2026-05-16 18:29:52

level8.1

Time of First Successful Submission: 2026-05-16 18:31:01

level9.0

Time of First Successful Submission: 2026-05-16 21:39:13

level9.1

Time of First Successful Submission: 2026-05-17 03:01:13

level10.0

Time of First Successful Submission: 2026-05-17 19:22:13

level10.1

Time of First Successful Submission: 2026-05-17 19:23:46

level1.0

Time of First Successful Submission: 2026-05-23 01:40:06

level1.1

Time of First Successful Submission: 2026-05-23 01:41:56

level2.0

Time of First Successful Submission: 2026-05-23 01:50:06

level2.1

Time of First Successful Submission: 2026-05-23 01:51:32

level3.0

Time of First Successful Submission: 2026-05-23 02:14:59

level3.1

Time of First Successful Submission: 2026-05-23 02:19:37

level4.0

Time of First Successful Submission: 2026-05-23 09:37:41

level4.1

Time of First Successful Submission: 2026-05-23 09:40:15

level5.0

Time of First Successful Submission: 2026-05-24 11:18:58

level5.1

Time of First Successful Submission: 2026-05-24 11:30:14

level6.0

Time of First Successful Submission: 2026-05-23 16:15:35

level6.1

Time of First Successful Submission: 2026-05-23 16:26:37

level7.0

Time of First Successful Submission: 2026-05-24 11:34:59

level7.1

Time of First Successful Submission: 2026-05-24 11:36:35

level8.0

Time of First Successful Submission: 2026-05-24 04:23:31

level8.1

Time of First Successful Submission: 2026-05-24 04:32:29

level9

Time of First Successful Submission: 2026-05-23 22:31:42

Level-1

Time of First Successful Submission: 2026-05-24 13:24:22

Level-2

Time of First Successful Submission: 2026-05-24 13:51:42

Level-3

Time of First Successful Submission: 2026-05-24 14:44:27

Level-4

Time of First Successful Submission: 2026-05-24 14:51:04

Level-5

Time of First Successful Submission: 2026-05-28 19:40:52

Level-6

Time of First Successful Submission: 2026-05-27 18:40:10

Level-7

Time of First Successful Submission: 2026-05-27 18:39:25

Level-8

Time of First Successful Submission: 2026-05-29 07:35:19


Start Here

12 / 12 2264 / 46671


Using the Terminal

Time of First Successful Submission: 2026-04-28 15:31:45

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-28 15:33:50

Using the GUI Desktop

Time of First Successful Submission: 2026-04-28 15:35:01

Pasting into the Desktop

Time of First Successful Submission: 2026-04-28 15:36:35

Restarting Challenges

Time of First Successful Submission: 2026-04-28 15:39:36

Challenge Programs

Time of First Successful Submission: 2026-04-28 15:42:16

The Flag File

Time of First Successful Submission: 2026-04-28 15:43:22

Using Privileged Mode

Time of First Successful Submission: 2026-04-28 15:45:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-28 15:46:37

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-28 15:47:45


Linux Luminarium

128 / 128 3282 / 34856


Intro to Commands

Time of First Successful Submission: 2026-04-28 01:39:03

Intro to Arguments

Time of First Successful Submission: 2026-04-28 01:39:49

Command History

Time of First Successful Submission: 2026-04-28 01:40:53

The Root

Time of First Successful Submission: 2026-04-28 01:45:19

Program and absolute paths

Time of First Successful Submission: 2026-04-28 01:46:19

Position thy self

Time of First Successful Submission: 2026-04-28 01:47:14

Position elsewhere

Time of First Successful Submission: 2026-04-28 01:48:23

implicit relative paths, from /

Time of First Successful Submission: 2026-04-28 01:49:05

explicit relative paths, from /

Time of First Successful Submission: 2026-04-28 01:49:28

implicit relative path

Time of First Successful Submission: 2026-04-28 01:49:51

home sweet home

Time of First Successful Submission: 2026-04-28 01:51:09

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-28 01:51:39

catting absolute paths

Time of First Successful Submission: 2026-04-28 01:51:57

more catting practice

Time of First Successful Submission: 2026-04-28 01:54:46

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-28 01:55:31

comparing files

Time of First Successful Submission: 2026-04-28 01:56:18

listing files

Time of First Successful Submission: 2026-04-28 01:57:03

touching files

Time of First Successful Submission: 2026-04-28 01:57:35

removing files

Time of First Successful Submission: 2026-04-28 01:58:23

moving files

Time of First Successful Submission: 2026-04-28 01:59:17

copying files

Time of First Successful Submission: 2026-04-28 01:59:54

hidden files

Time of First Successful Submission: 2026-04-28 02:00:37

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-28 02:03:50

making directories

Time of First Successful Submission: 2026-04-28 02:04:25

finding files

Time of First Successful Submission: 2026-04-28 02:05:57

linking files

Time of First Successful Submission: 2026-04-28 02:07:02

Learning From Documentation

Time of First Successful Submission: 2026-04-28 02:08:48

Learning Complex Usage

Time of First Successful Submission: 2026-04-28 02:10:10

Reading Manuals

Time of First Successful Submission: 2026-04-28 02:10:44

Searching Manuals

Time of First Successful Submission: 2026-04-28 02:11:43

Searching For Manuals

Time of First Successful Submission: 2026-04-28 02:12:47

Helpful Programs

Time of First Successful Submission: 2026-04-28 02:14:07

Help for Builtins

Time of First Successful Submission: 2026-04-28 02:15:43

Matching with *

Time of First Successful Submission: 2026-04-28 02:16:56

Matching with ?

Time of First Successful Submission: 2026-04-28 02:17:17

Matching with []

Time of First Successful Submission: 2026-04-28 02:18:39

Matching paths with []

Time of First Successful Submission: 2026-04-28 02:19:19

Multiple globs

Time of First Successful Submission: 2026-04-28 02:19:52

Mixing globs

Time of First Successful Submission: 2026-04-28 02:20:28

Exclusionary globbing

Time of First Successful Submission: 2026-04-28 02:20:59

Tab completion

Time of First Successful Submission: 2026-04-28 02:21:49

Multiple options for tab completion

Time of First Successful Submission: 2026-04-28 02:22:29

Tab completion on commands

Time of First Successful Submission: 2026-04-28 02:23:11

Redirecting output

Time of First Successful Submission: 2026-04-28 02:24:15

Redirecting more output

Time of First Successful Submission: 2026-04-28 02:25:05

Appending output

Time of First Successful Submission: 2026-04-28 02:26:20

Redirecting errors

Time of First Successful Submission: 2026-04-28 02:27:01

Redirecting input

Time of First Successful Submission: 2026-04-28 02:28:03

Grepping stored results

Time of First Successful Submission: 2026-04-28 02:28:46

Grepping live output

Time of First Successful Submission: 2026-04-28 02:29:12

Grepping errors

Time of First Successful Submission: 2026-04-28 02:30:02

Filtering with grep -v

Time of First Successful Submission: 2026-04-28 02:31:04

Filtering with sed

Time of First Successful Submission: 2026-04-28 02:31:38

Duplicating piped data with tee

Time of First Successful Submission: 2026-04-28 02:34:15

Process substitution for input

Time of First Successful Submission: 2026-04-28 02:36:12

Writing to multiple programs

Time of First Successful Submission: 2026-04-28 02:38:02

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-28 02:39:18

Named pipes

Time of First Successful Submission: 2026-04-28 02:40:25

Printing Variables

Time of First Successful Submission: 2026-04-28 02:41:10

Setting Variables

Time of First Successful Submission: 2026-04-28 02:42:33

Multi-word Variables

Time of First Successful Submission: 2026-04-28 02:43:11

Exporting Variables

Time of First Successful Submission: 2026-04-28 02:44:26

Printing Exported Variables

Time of First Successful Submission: 2026-04-28 02:44:58

Storing Command Output

Time of First Successful Submission: 2026-04-28 02:46:40

Reading Input

Time of First Successful Submission: 2026-04-28 02:47:21

Reading Files

Time of First Successful Submission: 2026-04-28 02:47:46

Translating characters

Time of First Successful Submission: 2026-04-28 02:48:28

Deleting characters

Time of First Successful Submission: 2026-04-28 02:49:05

Deleting newlines

Time of First Successful Submission: 2026-04-28 02:49:38

Extracting the first lines with head

Time of First Successful Submission: 2026-04-28 02:50:44

Extracting specific sections of text

Time of First Successful Submission: 2026-04-28 02:51:27

Sorting data

Time of First Successful Submission: 2026-04-28 02:52:06

Listing Processes

Time of First Successful Submission: 2026-04-28 02:53:45

Killing Processes

Time of First Successful Submission: 2026-04-28 02:58:30

Interrupting Processes

Time of First Successful Submission: 2026-04-28 03:04:21

Killing Misbehaving Processes

Time of First Successful Submission: 2026-04-28 03:06:40

Suspending Processes

Time of First Successful Submission: 2026-04-28 03:07:42

Resuming Processes

Time of First Successful Submission: 2026-04-28 03:08:24

Backgrounding Processes

Time of First Successful Submission: 2026-04-28 03:09:09

Foregrounding Processes

Time of First Successful Submission: 2026-04-28 03:10:30

Starting Backgrounded Processes

Time of First Successful Submission: 2026-04-28 03:11:14

Process Exit Codes

Time of First Successful Submission: 2026-04-28 03:12:25

Becoming root with su

Time of First Successful Submission: 2026-04-28 03:14:04

Other users with su

Time of First Successful Submission: 2026-04-28 03:14:43

Cracking passwords

Time of First Successful Submission: 2026-04-28 03:15:57

Using sudo

Time of First Successful Submission: 2026-04-28 03:16:55

Changing File Ownership

Time of First Successful Submission: 2026-04-28 03:17:37

Groups and Files

Time of First Successful Submission: 2026-04-28 03:18:17

Fun With Groups Names

Time of First Successful Submission: 2026-04-28 03:18:56

Changing Permissions

Time of First Successful Submission: 2026-04-28 03:19:52

Executable Files

Time of First Successful Submission: 2026-04-28 03:20:33

Permission Tweaking Practice

Time of First Successful Submission: 2026-04-28 03:21:34

Permissions Setting Practice

Time of First Successful Submission: 2026-04-28 03:22:31

The SUID Bit

Time of First Successful Submission: 2026-04-28 03:23:38

Chaining with Semicolons

Time of First Successful Submission: 2026-04-28 03:24:52

Building on Success

Time of First Successful Submission: 2026-04-28 03:25:54

Handling Failure

Time of First Successful Submission: 2026-04-28 03:26:39

Your First Shell Script

Time of First Successful Submission: 2026-04-28 03:27:32

Redirecting Script Output

Time of First Successful Submission: 2026-04-28 03:29:08

Executable Shell Scripts

Time of First Successful Submission: 2026-04-28 03:30:14

Understanding Shebangs

Time of First Successful Submission: 2026-04-28 03:31:26

Scripting with Arguments

Time of First Successful Submission: 2026-04-28 03:32:05

Scripting with Conditionals

Time of First Successful Submission: 2026-04-28 03:32:43

Scripting with Default Cases

Time of First Successful Submission: 2026-04-28 03:33:18

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-04-28 03:33:56

Reading Shell Scripts

Time of First Successful Submission: 2026-04-28 03:34:37

Launching Screen

Time of First Successful Submission: 2026-04-28 03:35:16

Detaching and Attaching

Time of First Successful Submission: 2026-04-28 03:36:14

Finding Sessions

Time of First Successful Submission: 2026-04-28 03:37:15

Switching Windows

Time of First Successful Submission: 2026-04-28 03:38:21

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-04-28 03:39:09

Switching Windows (tmux)

Time of First Successful Submission: 2026-04-28 03:40:20

The PATH Variable

Time of First Successful Submission: 2026-04-28 03:41:09

Setting PATH

Time of First Successful Submission: 2026-04-28 03:41:45

Finding Commands

Time of First Successful Submission: 2026-04-28 03:42:48

Adding Commands

Time of First Successful Submission: 2026-04-28 03:43:32

Hijacking Commands

Time of First Successful Submission: 2026-04-28 03:44:30

Bashrc Backdoor

Time of First Successful Submission: 2026-04-28 03:45:34

Sniffing Input

Time of First Successful Submission: 2026-04-28 03:46:58

Overshared Directories

Time of First Successful Submission: 2026-04-28 03:48:09

Tricky Linking

Time of First Successful Submission: 2026-04-28 03:57:58

Sniffing Process Arguments

Time of First Successful Submission: 2026-04-28 03:59:04

Snooping on Configurations

Time of First Successful Submission: 2026-04-28 04:00:22

The Fork Bomb

Time of First Successful Submission: 2026-05-28 17:40:44

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-27 21:40:50

rm -rf /

Time of First Successful Submission: 2026-05-29 08:24:17

Life after rm -rf /

Time of First Successful Submission: 2026-05-29 08:28:32

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-29 08:30:11


Computing 101

94 / 94 574 / 22679


Your First Register

Time of First Successful Submission: 2026-05-29 15:59:46

Your First Syscall

Time of First Successful Submission: 2026-05-29 16:00:36

Exit Codes

Time of First Successful Submission: 2026-05-29 16:01:27

Building Executables

Time of First Successful Submission: 2026-05-29 16:02:21

Moving Between Registers

Time of First Successful Submission: 2026-05-29 16:03:55

Loading From Memory

Time of First Successful Submission: 2026-05-29 16:54:06

More Loading Practice

Time of First Successful Submission: 2026-05-29 16:55:01

Dereferencing Pointers

Time of First Successful Submission: 2026-05-29 16:55:56

Dereferencing Yourself

Time of First Successful Submission: 2026-05-29 16:56:56

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-29 16:57:52

Stored Addresses

Time of First Successful Submission: 2026-05-29 16:58:47

Double Dereference

Time of First Successful Submission: 2026-05-29 16:59:43

The Stack

Time of First Successful Submission: 2026-05-29 16:49:59

Stack Offsets

Time of First Successful Submission: 2026-05-29 16:50:53

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-29 16:51:54

Popping From the Stack

Time of First Successful Submission: 2026-05-29 16:53:00

Disassembling Programs

Time of First Successful Submission: 2026-05-29 17:00:57

Tracing Syscalls

Time of First Successful Submission: 2026-05-29 17:01:58

Starting GDB

Time of First Successful Submission: 2026-05-29 17:05:18

Quitting GDB

Time of First Successful Submission: 2026-05-29 17:06:20

Starting Programs in GDB

Time of First Successful Submission: 2026-05-29 17:07:25

Disassembling in GDB

Time of First Successful Submission: 2026-05-29 17:08:28

Stepping Through Instructions

Time of First Successful Submission: 2026-05-29 17:09:33

Reading Register Values

Time of First Successful Submission: 2026-05-29 17:10:35

Popping Stack Values

Time of First Successful Submission: 2026-05-29 17:11:41

Examining Memory

Time of First Successful Submission: 2026-05-29 17:13:02

Examining Stack Pointers

Time of First Successful Submission: 2026-05-29 17:14:01

Cooperative Debugging

Time of First Successful Submission: 2026-05-29 17:15:33

Writing Output

Time of First Successful Submission: 2026-05-29 15:54:33

Chaining Syscalls

Time of First Successful Submission: 2026-05-29 15:55:50

Writing Strings

Time of First Successful Submission: 2026-05-29 15:53:00

Reading Data

Time of First Successful Submission: 2026-05-29 15:56:52

Opening Files

Time of First Successful Submission: 2026-05-29 15:57:50

Hardcoding the Filename

Time of First Successful Submission: 2026-05-29 15:58:50

Comparing Values

Time of First Successful Submission: 2026-05-29 16:41:54

Comparing Characters

Time of First Successful Submission: 2026-05-29 16:42:52

Conditional Control Flow

Time of First Successful Submission: 2026-05-29 16:44:06

Comparing Strings

Time of First Successful Submission: 2026-05-29 16:45:08

Reverse the Password

Time of First Successful Submission: 2026-05-29 16:46:22

Conditionals Without Conditionals

Time of First Successful Submission: 2026-05-29 16:47:53

Looping

Time of First Successful Submission: 2026-05-29 16:48:55

Reverse the Calculation

Time of First Successful Submission: 2026-05-29 16:37:31

Reverse the Reverse

Time of First Successful Submission: 2026-05-29 16:38:17

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-05-29 16:39:04

Loops on Data

Time of First Successful Submission: 2026-05-29 16:40:11

set-register

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

set-multiple-registers

Time of First Successful Submission: 2026-05-29 16:06:11

add-to-register

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

linear-equation-registers

Time of First Successful Submission: 2026-05-29 16:07:58

integer-division

Time of First Successful Submission: 2026-05-29 16:08:50

modulo-operation

Time of First Successful Submission: 2026-05-29 16:09:41

set-upper-byte

Time of First Successful Submission: 2026-05-29 16:10:33

efficient-modulo

Time of First Successful Submission: 2026-05-29 16:11:26

byte-extraction

Time of First Successful Submission: 2026-05-29 16:12:42

bitwise-and

Time of First Successful Submission: 2026-05-29 16:13:35

check-even

Time of First Successful Submission: 2026-05-29 16:14:46

memory-read

Time of First Successful Submission: 2026-05-29 16:15:43

memory-write

Time of First Successful Submission: 2026-05-29 16:16:46

memory-increment

Time of First Successful Submission: 2026-05-29 16:17:39

byte-access

Time of First Successful Submission: 2026-05-29 16:18:34

memory-size-access

Time of First Successful Submission: 2026-05-29 16:19:32

little-endian-write

Time of First Successful Submission: 2026-05-29 16:20:24

memory-sum

Time of First Successful Submission: 2026-05-29 16:21:17

stack-subtraction

Time of First Successful Submission: 2026-05-29 16:22:11

swap-stack-values

Time of First Successful Submission: 2026-05-29 16:23:02

average-stack-values

Time of First Successful Submission: 2026-05-29 16:23:59

absolute-jump

Time of First Successful Submission: 2026-05-29 16:24:51

relative-jump

Time of First Successful Submission: 2026-05-29 16:27:29

jump-trampoline

Time of First Successful Submission: 2026-05-29 16:28:28

conditional-jump

Time of First Successful Submission: 2026-05-29 16:29:45

indirect-jump

Time of First Successful Submission: 2026-05-29 16:30:42

average-loop

Time of First Successful Submission: 2026-05-29 16:31:42

count-non-zero

Time of First Successful Submission: 2026-05-29 16:32:37

string-lower

Time of First Successful Submission: 2026-05-29 16:35:09

most-common-byte

Time of First Successful Submission: 2026-05-29 16:36:16

Exit

Time of First Successful Submission: 2026-05-29 17:45:33

Socket

Time of First Successful Submission: 2026-05-29 17:46:48

Bind

Time of First Successful Submission: 2026-05-29 17:48:54

Listen

Time of First Successful Submission: 2026-05-29 17:52:32

Accept

Time of First Successful Submission: 2026-05-29 17:53:28

Static Response

Time of First Successful Submission: 2026-05-29 17:55:27

Dynamic Response

Time of First Successful Submission: 2026-05-29 17:56:25

Iterative GET Server

Time of First Successful Submission: 2026-05-29 17:57:23

Concurrent GET Server

Time of First Successful Submission: 2026-05-29 17:58:24

Concurrent POST Server

Time of First Successful Submission: 2026-05-29 17:59:29

Web Server

Time of First Successful Submission: 2026-05-29 18:00:40

Debugging Programs

Time of First Successful Submission: 2026-05-29 17:17:27

Inspecting Registers

Time of First Successful Submission: 2026-05-29 17:23:04

Examining Memory

Time of First Successful Submission: 2026-05-29 17:25:49

Setting Breakpoints

Time of First Successful Submission: 2026-05-29 17:30:32

GDB Scripting

Time of First Successful Submission: 2026-05-29 17:39:10

Modifying Data

Time of First Successful Submission: 2026-05-29 17:40:51

Modifying Execution

Time of First Successful Submission: 2026-05-29 17:42:03

Broken Functions

Time of First Successful Submission: 2026-05-29 17:44:09


Playing With Programs

116 / 116 960 / 23987


What's the password?

Time of First Successful Submission: 2026-04-28 04:07:15

... and again!

Time of First Successful Submission: 2026-04-28 04:08:00

Newline Troubles

Time of First Successful Submission: 2026-04-28 04:14:55

Reasoning about files

Time of First Successful Submission: 2026-04-28 04:15:12

Specifying Filenames

Time of First Successful Submission: 2026-04-28 04:15:29

Binary and Hex Encoding

Time of First Successful Submission: 2026-04-28 04:15:46

More Hex

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

Decoding Hex

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

Decoding Practice

Time of First Successful Submission: 2026-04-28 04:16:38

Encoding Practice

Time of First Successful Submission: 2026-04-28 04:16:54

Hex-encoding ASCII

Time of First Successful Submission: 2026-04-28 04:17:10

Nested Encoding

Time of First Successful Submission: 2026-04-28 04:17:27

Hex-encoding UTF-8

Time of First Successful Submission: 2026-04-28 04:17:43

UTF Mixups

Time of First Successful Submission: 2026-04-28 04:18:02

Modifying Encoded Data

Time of First Successful Submission: 2026-04-28 04:18:21

Decoding Base64

Time of First Successful Submission: 2026-04-28 04:18:47

Encoding Base64

Time of First Successful Submission: 2026-04-28 04:19:03

Dealing with Obfuscation

Time of First Successful Submission: 2026-04-28 04:20:26

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-04-28 04:21:12

Your First HTTP Request

Time of First Successful Submission: 2026-04-28 04:22:54

Reading Flask

Time of First Successful Submission: 2026-04-28 04:23:42

Commented Data

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

HTTP Metadata

Time of First Successful Submission: 2026-04-28 04:31:58

HTTP (netcat)

Time of First Successful Submission: 2026-04-28 04:32:37

HTTP Paths (netcat)

Time of First Successful Submission: 2026-04-28 04:32:57

HTTP (curl)

Time of First Successful Submission: 2026-04-28 04:25:26

HTTP (python)

Time of First Successful Submission: 2026-04-28 04:33:38

HTTP Host Header (python)

Time of First Successful Submission: 2026-04-28 04:52:09

HTTP Host Header (curl)

Time of First Successful Submission: 2026-04-28 04:53:38

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-04-28 04:53:57

URL Encoding (netcat)

Time of First Successful Submission: 2026-04-28 05:05:53

HTTP GET Parameters

Time of First Successful Submission: 2026-04-28 04:52:34

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-04-28 04:54:34

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-04-28 04:54:54

HTTP Forms

Time of First Successful Submission: 2026-04-28 05:06:52

HTTP Forms (curl)

Time of First Successful Submission: 2026-04-28 04:55:31

HTTP Forms (netcat)

Time of First Successful Submission: 2026-04-28 04:55:53

HTTP Forms (python)

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

HTTP Forms Without Forms

Time of First Successful Submission: 2026-04-28 05:07:17

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-04-28 04:56:52

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-04-28 04:57:13

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-04-28 05:08:05

HTTP Redirects (curl)

Time of First Successful Submission: 2026-04-28 04:57:50

HTTP Redirects (python)

Time of First Successful Submission: 2026-04-28 04:58:10

HTTP Cookies (curl)

Time of First Successful Submission: 2026-04-28 04:53:04

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-04-28 04:58:32

HTTP Cookies (python)

Time of First Successful Submission: 2026-04-28 04:58:54

Server State (python)

Time of First Successful Submission: 2026-04-28 04:59:16

Listening Web

Time of First Successful Submission: 2026-04-28 04:59:43

Speaking Redirects

Time of First Successful Submission: 2026-04-28 05:08:53

JavaScript Redirects

Time of First Successful Submission: 2026-04-28 05:09:50

Including JavaScript

Time of First Successful Submission: 2026-04-28 05:13:58

HTTP (javascript)

Time of First Successful Submission: 2026-04-28 05:13:20

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-04-28 05:14:27

HTTP Forms (javascript)

Time of First Successful Submission: 2026-04-28 05:14:58

cat

Time of First Successful Submission: 2026-04-28 05:17:19

more

Time of First Successful Submission: 2026-04-28 05:17:55

less

Time of First Successful Submission: 2026-04-28 05:18:12

tail

Time of First Successful Submission: 2026-04-28 05:18:30

head

Time of First Successful Submission: 2026-04-28 05:18:47

sort

Time of First Successful Submission: 2026-04-28 05:19:06

vim

Time of First Successful Submission: 2026-04-28 05:19:26

emacs

Time of First Successful Submission: 2026-04-28 05:19:44

nano

Time of First Successful Submission: 2026-04-28 05:41:50

rev

Time of First Successful Submission: 2026-04-28 05:33:20

od

Time of First Successful Submission: 2026-05-27 20:52:37

hd

Time of First Successful Submission: 2026-05-27 20:53:40

xxd

Time of First Successful Submission: 2026-05-27 20:54:28

base32

Time of First Successful Submission: 2026-04-28 05:37:23

base64

Time of First Successful Submission: 2026-04-28 05:21:39

split

Time of First Successful Submission: 2026-04-28 05:21:57

gzip

Time of First Successful Submission: 2026-04-28 05:22:15

bzip2

Time of First Successful Submission: 2026-04-28 05:22:37

zip

Time of First Successful Submission: 2026-04-28 05:22:55

tar

Time of First Successful Submission: 2026-04-28 05:23:15

ar

Time of First Successful Submission: 2026-04-28 05:23:32

cpio

Time of First Successful Submission: 2026-04-28 05:23:52

genisoimage

Time of First Successful Submission: 2026-04-28 05:42:34

env

Time of First Successful Submission: 2026-04-28 05:24:24

find

Time of First Successful Submission: 2026-04-28 05:24:42

make

Time of First Successful Submission: 2026-04-28 05:24:59

nice

Time of First Successful Submission: 2026-04-28 05:25:17

timeout

Time of First Successful Submission: 2026-04-28 05:25:34

stdbuf

Time of First Successful Submission: 2026-04-28 05:25:52

setarch

Time of First Successful Submission: 2026-04-28 05:26:09

watch

Time of First Successful Submission: 2026-04-28 05:43:12

socat

Time of First Successful Submission: 2026-04-28 05:26:40

whiptail

Time of First Successful Submission: 2026-04-28 05:34:33

awk

Time of First Successful Submission: 2026-04-28 05:27:12

sed

Time of First Successful Submission: 2026-04-28 05:27:30

ed

Time of First Successful Submission: 2026-04-28 05:27:47

chown

Time of First Successful Submission: 2026-04-28 05:28:04

chmod

Time of First Successful Submission: 2026-04-28 05:28:22

cp

Time of First Successful Submission: 2026-04-28 05:35:08

mv

Time of First Successful Submission: 2026-04-28 05:41:07

perl

Time of First Successful Submission: 2026-04-28 05:29:09

python

Time of First Successful Submission: 2026-04-28 05:29:27

ruby

Time of First Successful Submission: 2026-04-28 05:43:44

bash

Time of First Successful Submission: 2026-04-28 05:35:56

date

Time of First Successful Submission: 2026-04-28 05:30:17

dmesg

Time of First Successful Submission: 2026-04-28 05:30:34

wc

Time of First Successful Submission: 2026-04-28 05:36:14

gcc

Time of First Successful Submission: 2026-04-28 05:36:31

as

Time of First Successful Submission: 2026-04-28 05:31:22

wget

Time of First Successful Submission: 2026-04-28 05:44:33

ssh-keygen

Time of First Successful Submission: 2026-05-27 20:57:40

SQL Queries

Time of First Successful Submission: 2026-04-28 05:45:53

Filtering SQL

Time of First Successful Submission: 2026-04-28 05:47:40

Choosing Columns

Time of First Successful Submission: 2026-04-28 05:50:33

Exclusionary Filtering

Time of First Successful Submission: 2026-04-28 05:52:12

Filtering Strings

Time of First Successful Submission: 2026-04-28 05:53:04

Filtering on Expressions

Time of First Successful Submission: 2026-04-28 05:53:50

SELECTing Expressions

Time of First Successful Submission: 2026-04-28 05:54:57

Composite Conditions

Time of First Successful Submission: 2026-04-28 05:55:42

Reaching Your LIMITs

Time of First Successful Submission: 2026-04-28 05:57:01

Querying Metadata

Time of First Successful Submission: 2026-04-28 05:58:27


DSU Cyber Camps

12 / 104 2564 / 46966


Using the Terminal

Time of First Successful Submission: 2026-04-28 15:31:45

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-28 15:33:50

Using the GUI Desktop

Time of First Successful Submission: 2026-04-28 15:35:01

Pasting into the Desktop

Time of First Successful Submission: 2026-04-28 15:36:35

Connecting over SSH

Time of First Successful Submission: 2026-04-28 15:37:40

Restarting Challenges

Time of First Successful Submission: 2026-04-28 15:39:36

Getting Help

Time of First Successful Submission: 2026-04-28 15:41:11

Challenge Programs

Time of First Successful Submission: 2026-04-28 15:42:16

The Flag File

Time of First Successful Submission: 2026-04-28 15:43:22

Using Privileged Mode

Time of First Successful Submission: 2026-04-28 15:45:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-28 15:46:37

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-28 15:47:45


GCA CTF

12 / 104 2564 / 46966


Using the Terminal

Time of First Successful Submission: 2026-04-28 15:31:45

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-28 15:33:50

Using the GUI Desktop

Time of First Successful Submission: 2026-04-28 15:35:01

Pasting into the Desktop

Time of First Successful Submission: 2026-04-28 15:36:35

Connecting over SSH

Time of First Successful Submission: 2026-04-28 15:37:40

Restarting Challenges

Time of First Successful Submission: 2026-04-28 15:39:36

Getting Help

Time of First Successful Submission: 2026-04-28 15:41:11

Challenge Programs

Time of First Successful Submission: 2026-04-28 15:42:16

The Flag File

Time of First Successful Submission: 2026-04-28 15:43:22

Using Privileged Mode

Time of First Successful Submission: 2026-04-28 15:45:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-28 15:46:37

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-28 15:47:45