HackSquad6

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pwn.college Archives

1 / 202 21246 / 22795


Triple Dereference

Time of First Successful Submission: 2025-10-27 11:45:56


ACSAC CTFs

1 / 21 214 / 236


Waʻa

Time of First Successful Submission: 2026-02-28 14:59:36


Intro to Programming Languages

44 / 234 612 / 32000


Commands

Time of First Successful Submission: 2025-10-17 12:23:04

Command Arguments

Time of First Successful Submission: 2025-10-17 12:23:26

Command History

Time of First Successful Submission: 2025-10-17 12:23:52

The Root Path

Time of First Successful Submission: 2025-10-17 12:25:37

Absolute Paths

Time of First Successful Submission: 2025-10-17 12:26:10

Changing position

Time of First Successful Submission: 2025-10-17 12:26:52

Changing to an Absolute Path

Time of First Successful Submission: 2025-10-17 12:28:27

Relative Paths

Time of First Successful Submission: 2025-10-17 12:29:58

Cat

Time of First Successful Submission: 2025-10-17 12:41:33

Ls

Time of First Successful Submission: 2025-10-17 12:45:19

Ls All

Time of First Successful Submission: 2025-10-17 12:48:49

Find

Time of First Successful Submission: 2025-10-17 13:12:00

Piping Echo

Time of First Successful Submission: 2025-10-17 17:58:08

Piping Stdout

Time of First Successful Submission: 2025-10-18 18:14:54

Piping Stdin

Time of First Successful Submission: 2025-10-18 18:19:46

Lecture 2.1.1.0 Paradigms and C

Time of First Successful Submission: 2026-02-26 13:16:03

Lecture 2.1.2. First C Program and Vars

Time of First Successful Submission: 2026-02-26 13:23:29

Lecture 2.1.2.1. Standard Output

Time of First Successful Submission: 2026-02-26 13:40:04

Lecture 2.1.2.2. Standard In

Time of First Successful Submission: 2026-02-26 14:28:06

Lab 2.1.2.1 - C Input

Time of First Successful Submission: 2026-02-26 20:53:53

Lecture 2.1.2.3. Flow Control & Command Line Arguments

Time of First Successful Submission: 2026-02-27 07:12:05

EzLab 2.1.2.3 - Control Flow

Time of First Successful Submission: 2026-02-27 07:15:16

Lecture 2.1.3.0 Dec & Def Functions

Time of First Successful Submission: 2026-02-27 07:17:59

Lecture 2.1.3.1. Globals & Locals

Time of First Successful Submission: 2026-02-27 07:21:42

Lecture 2.1.3.2. Function Params and Ret Vals

Time of First Successful Submission: 2026-02-27 07:24:27

EzLab 2.1.3.2 Pass by Value

Time of First Successful Submission: 2026-02-27 07:34:57

Lab 2.1.3.1 - Functions

Time of First Successful Submission: 2026-02-27 08:42:56

Lecture 2.1.4. Global and Local Memory

Time of First Successful Submission: 2026-02-27 09:12:47

Lecture 2.1.4.1. Function Frames

Time of First Successful Submission: 2026-02-27 09:15:37

Lecture 2.1.5. Debugging C Programs

Time of First Successful Submission: 2026-02-27 09:27:54

Lab 2.1.5.1 - Using VSCode Debugger

Time of First Successful Submission: 2026-02-27 09:44:04

P2.1 Level 01 C Force

Time of First Successful Submission: 2026-02-27 09:48:06

P2.1 Level 02 C Args

Time of First Successful Submission: 2026-02-27 09:51:26

P2.1 Level 03 scanf

Time of First Successful Submission: 2026-02-27 10:11:23

P2.1 Level 04 getchar

Time of First Successful Submission: 2026-02-27 10:37:36

P2.1 Level 05 add-n-sub

Time of First Successful Submission: 2026-02-27 11:51:23

P2.1 Level 06 debug me

Time of First Successful Submission: 2026-02-27 13:32:31

Lecture 2.2.1.1. C-Arrays

Time of First Successful Submission: 2026-02-27 13:40:21

Lecture 2.2.2. C-Strings

Time of First Successful Submission: 2026-02-27 13:44:04

Lab 2.2.2.0 - Print C-String by Character

Time of First Successful Submission: 2026-02-27 13:53:33

Lab 2.2.2.1 - Debugging with Seg Faults

Time of First Successful Submission: 2026-02-27 14:49:39

Lecture 2.2.3.1. Input to String

Time of First Successful Submission: 2026-02-27 14:53:33

Lecture 2.2.3.2 Using fgets

Time of First Successful Submission: 2026-02-27 15:45:33

Lecture 2.2.3.3. Input Buffer

Time of First Successful Submission: 2026-02-27 15:49:38


Intro to Cybersecurity

68 / 183 4544 / 20045


Path Traversal 1

Time of First Successful Submission: 2026-02-23 11:12:17

Path Traversal 2

Time of First Successful Submission: 2026-02-23 11:40:10

CMDi 1

Time of First Successful Submission: 2026-02-23 12:10:15

CMDi 2

Time of First Successful Submission: 2026-02-23 12:29:41

CMDi 3

Time of First Successful Submission: 2026-02-23 12:36:54

CMDi 4

Time of First Successful Submission: 2026-02-23 12:40:14

CMDi 5

Time of First Successful Submission: 2026-02-23 12:59:04

CMDi 6

Time of First Successful Submission: 2026-02-23 13:51:32

Authentication Bypass 1

Time of First Successful Submission: 2026-02-23 14:44:42

Authentication Bypass 2

Time of First Successful Submission: 2026-02-23 14:53:49

SQLi 1

Time of First Successful Submission: 2026-03-09 12:32:26

SQLi 2

Time of First Successful Submission: 2026-03-17 21:15:56

SQLi 3

Time of First Successful Submission: 2026-03-17 21:22:53

SQLi 4

Time of First Successful Submission: 2026-03-17 21:24:56

SQLi 5

Time of First Successful Submission: 2026-03-17 23:17:43

XSS 1

Time of First Successful Submission: 2026-03-18 12:09:16

XSS 2

Time of First Successful Submission: 2026-03-18 12:14:04

XSS 3

Time of First Successful Submission: 2026-03-18 12:21:04

XSS 4

Time of First Successful Submission: 2026-03-18 12:27:20

XSS 5

Time of First Successful Submission: 2026-03-18 12:35:31

XSS 6

Time of First Successful Submission: 2026-03-18 12:40:18

XSS 7

Time of First Successful Submission: 2026-03-18 12:50:25

CSRF 1

Time of First Successful Submission: 2026-03-19 14:34:47

CSRF 2

Time of First Successful Submission: 2026-03-19 15:03:49

CSRF 3

Time of First Successful Submission: 2026-03-19 15:35:38

CSRF 4

Time of First Successful Submission: 2026-03-19 16:14:28

CSRF 5

Time of First Successful Submission: 2026-03-19 16:59:25

Connect

Time of First Successful Submission: 2026-02-23 15:11:56

Send

Time of First Successful Submission: 2026-02-23 15:13:54

Shutdown

Time of First Successful Submission: 2026-03-19 20:46:04

Listen

Time of First Successful Submission: 2026-03-19 20:46:52

Scan 1

Time of First Successful Submission: 2026-03-19 21:00:26

Scan 2

Time of First Successful Submission: 2026-03-19 21:19:00

Monitor 1

Time of First Successful Submission: 2026-03-19 21:24:37

Monitor 2

Time of First Successful Submission: 2026-03-19 21:43:47

Sniffing Cookies

Time of First Successful Submission: 2026-03-19 22:01:17

Network Configuration

Time of First Successful Submission: 2026-03-19 22:10:17

Firewall 1

Time of First Successful Submission: 2026-03-19 22:24:42

Firewall 2

Time of First Successful Submission: 2026-03-20 07:59:56

Firewall 3

Time of First Successful Submission: 2026-03-20 08:02:31

Denial of Service 1

Time of First Successful Submission: 2026-03-20 08:03:34

Denial of Service 2

Time of First Successful Submission: 2026-03-20 08:09:34

Denial of Service 3

Time of First Successful Submission: 2026-03-20 09:00:36

Ethernet

Time of First Successful Submission: 2026-03-20 10:19:19

IP

Time of First Successful Submission: 2026-03-20 11:09:36

TCP

Time of First Successful Submission: 2026-03-20 12:13:25

TCP Handshake

Time of First Successful Submission: 2026-03-20 13:22:48

UDP

Time of First Successful Submission: 2026-03-20 13:44:19

UDP 2

Time of First Successful Submission: 2026-03-20 13:54:41

UDP Spoofing 1

Time of First Successful Submission: 2026-03-20 15:33:41

UDP Spoofing 2

Time of First Successful Submission: 2026-03-20 19:55:35

UDP Spoofing 3

Time of First Successful Submission: 2026-03-20 20:30:40

UDP Spoofing 4

Time of First Successful Submission: 2026-03-20 21:42:54

ARP

Time of First Successful Submission: 2026-03-23 09:05:51

Intercept

Time of First Successful Submission: 2026-03-23 19:56:35

Man-in-the-Middle

Time of First Successful Submission: 2026-03-26 12:18:59

XOR

Time of First Successful Submission: 2026-03-27 14:16:02

XORing Hex

Time of First Successful Submission: 2026-03-27 14:40:33

XORing ASCII

Time of First Successful Submission: 2026-03-29 13:55:43

XORing ASCII Strings

Time of First Successful Submission: 2026-03-29 14:08:20

One-time Pad

Time of First Successful Submission: 2026-03-29 14:26:35

One-time Pad Tampering

Time of First Successful Submission: 2026-03-29 14:52:09

Many-time Pad

Time of First Successful Submission: 2026-03-29 17:51:13

AES

Time of First Successful Submission: 2026-03-29 19:38:11

AES-ECB-CPA

Time of First Successful Submission: 2026-03-30 19:57:32

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-03-31 20:22:13

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-01 07:01:59

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-01 08:41:52


Start Here

10 / 12 18231 / 43378


Using the Terminal

Time of First Successful Submission: 2025-10-17 11:42:49

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-17 11:53:02

Using the GUI Desktop

Time of First Successful Submission: 2025-10-17 11:54:57

Pasting into the Desktop

Time of First Successful Submission: 2025-10-17 11:56:17

Restarting Challenges

Time of First Successful Submission: 2025-10-17 11:58:24

Challenge Programs

Time of First Successful Submission: 2025-10-17 12:02:18

The Flag File

Time of First Successful Submission: 2025-10-17 12:04:12

Using Privileged Mode

Time of First Successful Submission: 2025-10-17 12:13:29

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-17 12:16:46

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-17 12:17:17


Linux Luminarium

128 / 128 2140 / 32409


Intro to Commands

Time of First Successful Submission: 2025-10-17 12:23:04

Intro to Arguments

Time of First Successful Submission: 2025-10-17 12:23:26

Command History

Time of First Successful Submission: 2025-10-17 12:23:52

The Root

Time of First Successful Submission: 2025-10-17 12:25:37

Program and absolute paths

Time of First Successful Submission: 2025-10-17 12:26:10

Position thy self

Time of First Successful Submission: 2025-10-17 12:26:52

Position elsewhere

Time of First Successful Submission: 2025-10-17 12:28:27

implicit relative paths, from /

Time of First Successful Submission: 2025-10-17 12:29:58

explicit relative paths, from /

Time of First Successful Submission: 2025-10-17 12:32:37

implicit relative path

Time of First Successful Submission: 2025-10-17 12:33:29

home sweet home

Time of First Successful Submission: 2025-10-17 12:39:37

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-17 12:41:33

catting absolute paths

Time of First Successful Submission: 2025-10-17 12:42:03

more catting practice

Time of First Successful Submission: 2025-10-17 12:42:35

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-17 12:43:24

comparing files

Time of First Successful Submission: 2025-10-17 12:44:39

listing files

Time of First Successful Submission: 2025-10-17 12:45:19

touching files

Time of First Successful Submission: 2025-10-17 12:45:51

removing files

Time of First Successful Submission: 2025-10-17 12:46:18

moving files

Time of First Successful Submission: 2025-10-17 12:48:16

copying files

Time of First Successful Submission: 2026-02-20 09:25:47

hidden files

Time of First Successful Submission: 2025-10-17 12:48:49

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-17 12:52:28

making directories

Time of First Successful Submission: 2025-10-17 12:52:59

finding files

Time of First Successful Submission: 2025-10-17 13:12:00

linking files

Time of First Successful Submission: 2025-10-17 13:22:17

Learning From Documentation

Time of First Successful Submission: 2025-10-17 16:48:48

Learning Complex Usage

Time of First Successful Submission: 2025-10-17 16:51:41

Reading Manuals

Time of First Successful Submission: 2025-10-17 16:54:31

Searching Manuals

Time of First Successful Submission: 2025-10-17 16:56:10

Searching For Manuals

Time of First Successful Submission: 2025-10-17 17:05:05

Helpful Programs

Time of First Successful Submission: 2025-10-17 17:06:44

Help for Builtins

Time of First Successful Submission: 2025-10-17 17:11:10

Matching with *

Time of First Successful Submission: 2025-10-17 17:18:34

Matching with ?

Time of First Successful Submission: 2025-10-17 17:19:42

Matching with []

Time of First Successful Submission: 2025-10-17 17:20:46

Matching paths with []

Time of First Successful Submission: 2025-10-17 17:36:48

Multiple globs

Time of First Successful Submission: 2025-10-17 17:37:44

Mixing globs

Time of First Successful Submission: 2025-10-17 17:45:08

Exclusionary globbing

Time of First Successful Submission: 2025-10-17 17:46:30

Tab completion

Time of First Successful Submission: 2025-10-17 17:47:50

Multiple options for tab completion

Time of First Successful Submission: 2025-10-17 17:49:24

Tab completion on commands

Time of First Successful Submission: 2025-10-17 17:51:25

Redirecting output

Time of First Successful Submission: 2025-10-17 17:58:08

Redirecting more output

Time of First Successful Submission: 2025-10-18 18:14:54

Appending output

Time of First Successful Submission: 2025-10-18 18:16:26

Redirecting errors

Time of First Successful Submission: 2025-10-18 18:18:13

Redirecting input

Time of First Successful Submission: 2025-10-18 18:19:46

Grepping stored results

Time of First Successful Submission: 2025-10-18 18:20:42

Grepping live output

Time of First Successful Submission: 2025-10-18 18:21:27

Grepping errors

Time of First Successful Submission: 2025-10-18 18:23:14

Filtering with grep -v

Time of First Successful Submission: 2025-10-18 18:24:18

Filtering with sed

Time of First Successful Submission: 2026-02-20 09:24:59

Duplicating piped data with tee

Time of First Successful Submission: 2025-10-18 18:27:29

Process substitution for input

Time of First Successful Submission: 2025-10-18 18:40:34

Writing to multiple programs

Time of First Successful Submission: 2025-10-20 06:44:00

Split-piping stderr and stdout

Time of First Successful Submission: 2025-10-20 06:49:06

Named pipes

Time of First Successful Submission: 2025-10-20 08:56:58

Printing Variables

Time of First Successful Submission: 2025-10-17 18:01:15

Setting Variables

Time of First Successful Submission: 2025-10-17 18:01:43

Multi-word Variables

Time of First Successful Submission: 2025-10-17 18:02:23

Exporting Variables

Time of First Successful Submission: 2025-10-17 18:04:15

Printing Exported Variables

Time of First Successful Submission: 2025-10-17 18:04:39

Storing Command Output

Time of First Successful Submission: 2025-10-17 18:06:12

Reading Input

Time of First Successful Submission: 2025-10-17 18:07:48

Reading Files

Time of First Successful Submission: 2025-10-17 18:10:26

Translating characters

Time of First Successful Submission: 2025-10-20 09:14:31

Deleting characters

Time of First Successful Submission: 2025-10-20 09:15:19

Deleting newlines

Time of First Successful Submission: 2025-10-20 09:17:12

Extracting the first lines with head

Time of First Successful Submission: 2025-10-20 09:18:53

Extracting specific sections of text

Time of First Successful Submission: 2025-10-20 09:24:26

Sorting data

Time of First Successful Submission: 2025-10-20 09:26:56

Listing Processes

Time of First Successful Submission: 2025-10-20 10:30:02

Killing Processes

Time of First Successful Submission: 2025-10-20 10:47:25

Interrupting Processes

Time of First Successful Submission: 2025-10-20 10:47:56

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-20 10:54:15

Suspending Processes

Time of First Successful Submission: 2025-10-20 10:55:21

Resuming Processes

Time of First Successful Submission: 2025-10-20 10:57:05

Backgrounding Processes

Time of First Successful Submission: 2025-10-20 11:01:57

Foregrounding Processes

Time of First Successful Submission: 2025-10-20 11:02:33

Starting Backgrounded Processes

Time of First Successful Submission: 2025-10-20 11:03:03

Process Exit Codes

Time of First Successful Submission: 2025-10-20 11:05:56

Becoming root with su

Time of First Successful Submission: 2025-10-20 11:12:15

Other users with su

Time of First Successful Submission: 2025-10-20 11:13:25

Cracking passwords

Time of First Successful Submission: 2025-10-20 11:19:44

Using sudo

Time of First Successful Submission: 2025-10-20 11:22:46

Changing File Ownership

Time of First Successful Submission: 2025-10-20 11:58:51

Groups and Files

Time of First Successful Submission: 2025-10-20 12:03:18

Fun With Groups Names

Time of First Successful Submission: 2025-10-20 12:06:13

Changing Permissions

Time of First Successful Submission: 2025-10-20 12:09:04

Executable Files

Time of First Successful Submission: 2025-10-20 12:10:20

Permission Tweaking Practice

Time of First Successful Submission: 2025-10-20 12:14:14

Permissions Setting Practice

Time of First Successful Submission: 2025-10-20 12:19:40

The SUID Bit

Time of First Successful Submission: 2025-10-20 12:27:57

Chaining with Semicolons

Time of First Successful Submission: 2025-10-20 12:32:11

Building on Success

Time of First Successful Submission: 2025-10-20 12:33:19

Handling Failure

Time of First Successful Submission: 2025-10-20 12:35:15

Your First Shell Script

Time of First Successful Submission: 2025-10-20 12:39:42

Redirecting Script Output

Time of First Successful Submission: 2025-10-20 12:41:57

Executable Shell Scripts

Time of First Successful Submission: 2025-10-20 12:43:00

Understanding Shebangs

Time of First Successful Submission: 2025-10-20 12:49:06

Scripting with Arguments

Time of First Successful Submission: 2025-10-20 12:49:47

Scripting with Conditionals

Time of First Successful Submission: 2025-10-20 12:51:36

Scripting with Default Cases

Time of First Successful Submission: 2025-10-20 12:52:50

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-20 12:54:37

Reading Shell Scripts

Time of First Successful Submission: 2025-10-20 12:56:40

Launching Screen

Time of First Successful Submission: 2025-10-20 12:57:45

Detaching and Attaching

Time of First Successful Submission: 2025-10-20 13:04:09

Finding Sessions

Time of First Successful Submission: 2025-10-20 13:05:21

Switching Windows

Time of First Successful Submission: 2025-10-20 13:07:37

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-20 13:10:05

Switching Windows (tmux)

Time of First Successful Submission: 2025-10-20 13:11:19

The PATH Variable

Time of First Successful Submission: 2025-10-20 13:21:17

Setting PATH

Time of First Successful Submission: 2025-10-20 13:22:53

Finding Commands

Time of First Successful Submission: 2025-10-20 13:24:31

Adding Commands

Time of First Successful Submission: 2025-10-20 13:28:24

Hijacking Commands

Time of First Successful Submission: 2025-10-20 13:44:29

Bashrc Backdoor

Time of First Successful Submission: 2025-10-20 13:49:27

Sniffing Input

Time of First Successful Submission: 2025-10-20 13:57:35

Overshared Directories

Time of First Successful Submission: 2025-10-20 14:04:41

Tricky Linking

Time of First Successful Submission: 2025-10-21 07:49:00

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-21 08:04:20

Snooping on Configurations

Time of First Successful Submission: 2025-10-21 08:08:12

The Fork Bomb

Time of First Successful Submission: 2025-10-21 08:36:03

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-21 09:24:18

rm -rf /

Time of First Successful Submission: 2025-10-21 09:28:08

Life after rm -rf /

Time of First Successful Submission: 2025-10-21 09:37:37

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-21 10:06:54


Computing 101

70 / 94 968 / 21536


Your First Register

Time of First Successful Submission: 2025-10-21 11:17:19

Your First Syscall

Time of First Successful Submission: 2025-10-21 12:04:51

Exit Codes

Time of First Successful Submission: 2025-10-21 12:09:32

Building Executables

Time of First Successful Submission: 2025-10-21 12:38:45

Moving Between Registers

Time of First Successful Submission: 2025-10-21 12:55:04

Loading From Memory

Time of First Successful Submission: 2025-10-27 06:50:27

More Loading Practice

Time of First Successful Submission: 2025-10-27 07:02:04

Dereferencing Pointers

Time of First Successful Submission: 2025-10-27 07:21:35

Dereferencing Yourself

Time of First Successful Submission: 2025-10-27 07:31:33

Dereferencing with Offsets

Time of First Successful Submission: 2025-10-27 08:51:45

Stored Addresses

Time of First Successful Submission: 2025-10-27 11:06:38

Double Dereference

Time of First Successful Submission: 2025-10-27 11:42:33

Tracing Syscalls

Time of First Successful Submission: 2025-10-24 12:09:16

Starting GDB

Time of First Successful Submission: 2025-10-24 12:11:12

Starting Programs in GDB

Time of First Successful Submission: 2025-10-24 12:12:22

Writing Output

Time of First Successful Submission: 2025-10-27 12:41:09

Chaining Syscalls

Time of First Successful Submission: 2025-10-27 12:46:12

Writing Strings

Time of First Successful Submission: 2025-10-27 12:48:07

Reading Data

Time of First Successful Submission: 2025-10-27 13:01:17

Opening Files

Time of First Successful Submission: 2026-02-20 08:50:19

Hardcoding the Filename

Time of First Successful Submission: 2026-02-20 09:18:17

set-register

Time of First Successful Submission: 2025-10-27 13:10:49

set-multiple-registers

Time of First Successful Submission: 2025-10-27 13:13:14

add-to-register

Time of First Successful Submission: 2025-10-27 13:28:47

linear-equation-registers

Time of First Successful Submission: 2025-10-27 13:36:01

integer-division

Time of First Successful Submission: 2025-10-28 06:45:35

modulo-operation

Time of First Successful Submission: 2025-11-03 14:13:56

set-upper-byte

Time of First Successful Submission: 2025-11-03 14:26:39

efficient-modulo

Time of First Successful Submission: 2025-11-03 14:42:06

byte-extraction

Time of First Successful Submission: 2025-11-04 08:10:54

bitwise-and

Time of First Successful Submission: 2025-11-04 11:16:58

check-even

Time of First Successful Submission: 2025-11-04 11:44:40

memory-read

Time of First Successful Submission: 2025-11-04 11:49:06

memory-write

Time of First Successful Submission: 2025-11-04 11:51:26

memory-increment

Time of First Successful Submission: 2025-11-04 11:56:49

byte-access

Time of First Successful Submission: 2025-11-04 11:59:18

memory-size-access

Time of First Successful Submission: 2025-11-04 12:09:34

little-endian-write

Time of First Successful Submission: 2025-11-04 12:57:17

memory-sum

Time of First Successful Submission: 2025-11-04 13:19:55

stack-subtraction

Time of First Successful Submission: 2025-11-04 13:28:39

swap-stack-values

Time of First Successful Submission: 2025-11-04 13:29:50

average-stack-values

Time of First Successful Submission: 2025-11-04 13:46:02

absolute-jump

Time of First Successful Submission: 2025-11-04 13:50:14

relative-jump

Time of First Successful Submission: 2025-11-04 14:08:21

jump-trampoline

Time of First Successful Submission: 2025-11-04 14:15:13

conditional-jump

Time of First Successful Submission: 2025-11-04 15:12:57

indirect-jump

Time of First Successful Submission: 2025-11-07 07:50:42

average-loop

Time of First Successful Submission: 2025-11-07 08:36:17

count-non-zero

Time of First Successful Submission: 2025-11-07 08:54:34

string-lower

Time of First Successful Submission: 2025-11-07 13:02:27

most-common-byte

Time of First Successful Submission: 2025-11-10 14:45:17

Exit

Time of First Successful Submission: 2025-11-26 11:51:35

Socket

Time of First Successful Submission: 2025-11-26 13:53:22

Bind

Time of First Successful Submission: 2025-11-26 14:35:38

Listen

Time of First Successful Submission: 2025-11-27 06:11:11

Accept

Time of First Successful Submission: 2025-11-27 06:32:14

Static Response

Time of First Successful Submission: 2025-12-02 06:01:24

Dynamic Response

Time of First Successful Submission: 2025-12-05 10:03:17

Iterative GET Server

Time of First Successful Submission: 2025-12-05 11:37:01

Concurrent GET Server

Time of First Successful Submission: 2025-12-05 13:16:08

Concurrent POST Server

Time of First Successful Submission: 2025-12-17 10:47:26

Web Server

Time of First Successful Submission: 2026-03-30 20:24:27

Debugging Programs

Time of First Successful Submission: 2025-11-25 07:58:35

Inspecting Registers

Time of First Successful Submission: 2025-11-25 08:11:55

Examining Memory

Time of First Successful Submission: 2025-11-25 08:58:14

Setting Breakpoints

Time of First Successful Submission: 2025-11-25 12:31:01

GDB Scripting

Time of First Successful Submission: 2025-11-25 14:09:13

Modifying Data

Time of First Successful Submission: 2025-11-26 09:19:34

Modifying Execution

Time of First Successful Submission: 2025-11-26 09:26:30

Broken Functions

Time of First Successful Submission: 2025-11-26 10:24:46


Playing With Programs

116 / 116 819 / 23386


What's the password?

Time of First Successful Submission: 2025-12-17 12:45:15

... and again!

Time of First Successful Submission: 2025-12-17 12:53:47

Newline Troubles

Time of First Successful Submission: 2025-12-17 13:16:08

Reasoning about files

Time of First Successful Submission: 2025-12-17 13:22:59

Specifying Filenames

Time of First Successful Submission: 2025-12-17 13:24:23

Binary and Hex Encoding

Time of First Successful Submission: 2025-12-17 13:55:20

More Hex

Time of First Successful Submission: 2025-12-17 14:35:05

Decoding Hex

Time of First Successful Submission: 2025-12-17 14:48:20

Decoding Practice

Time of First Successful Submission: 2025-12-17 15:37:01

Encoding Practice

Time of First Successful Submission: 2026-02-20 11:16:21

Hex-encoding ASCII

Time of First Successful Submission: 2026-02-26 07:32:34

Nested Encoding

Time of First Successful Submission: 2026-02-26 08:03:44

Hex-encoding UTF-8

Time of First Successful Submission: 2026-02-26 08:17:25

UTF Mixups

Time of First Successful Submission: 2026-02-26 08:53:20

Modifying Encoded Data

Time of First Successful Submission: 2026-02-26 10:39:47

Decoding Base64

Time of First Successful Submission: 2026-02-26 11:07:17

Encoding Base64

Time of First Successful Submission: 2026-02-26 11:29:09

Dealing with Obfuscation

Time of First Successful Submission: 2026-02-26 11:48:01

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-02-26 12:54:18

Your First HTTP Request

Time of First Successful Submission: 2026-03-12 06:49:09

Reading Flask

Time of First Successful Submission: 2026-03-12 06:51:26

Commented Data

Time of First Successful Submission: 2026-03-12 07:00:28

HTTP Metadata

Time of First Successful Submission: 2026-03-12 07:02:28

HTTP (netcat)

Time of First Successful Submission: 2026-03-12 07:06:37

HTTP Paths (netcat)

Time of First Successful Submission: 2026-03-12 07:07:45

HTTP (curl)

Time of First Successful Submission: 2026-03-12 07:08:44

HTTP (python)

Time of First Successful Submission: 2026-03-12 07:15:26

HTTP Host Header (python)

Time of First Successful Submission: 2026-03-12 07:46:57

HTTP Host Header (curl)

Time of First Successful Submission: 2026-03-12 07:56:16

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-03-12 07:58:25

URL Encoding (netcat)

Time of First Successful Submission: 2026-03-12 08:19:54

HTTP GET Parameters

Time of First Successful Submission: 2026-03-12 08:22:04

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-03-12 08:24:01

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-03-12 08:26:15

HTTP Forms

Time of First Successful Submission: 2026-03-12 08:29:45

HTTP Forms (curl)

Time of First Successful Submission: 2026-03-12 08:31:33

HTTP Forms (netcat)

Time of First Successful Submission: 2026-03-12 08:53:52

HTTP Forms (python)

Time of First Successful Submission: 2026-03-12 09:26:44

HTTP Forms Without Forms

Time of First Successful Submission: 2026-03-12 09:28:50

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-03-12 09:44:12

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-03-12 10:02:53

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-03-13 08:17:38

HTTP Redirects (curl)

Time of First Successful Submission: 2026-03-13 08:19:06

HTTP Redirects (python)

Time of First Successful Submission: 2026-03-13 08:20:23

HTTP Cookies (curl)

Time of First Successful Submission: 2026-03-13 08:35:01

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-03-13 08:36:43

HTTP Cookies (python)

Time of First Successful Submission: 2026-03-13 08:41:47

Server State (python)

Time of First Successful Submission: 2026-03-13 08:43:44

Listening Web

Time of First Successful Submission: 2026-03-13 08:55:32

Speaking Redirects

Time of First Successful Submission: 2026-03-13 09:11:30

JavaScript Redirects

Time of First Successful Submission: 2026-03-13 09:23:12

Including JavaScript

Time of First Successful Submission: 2026-03-16 14:57:34

HTTP (javascript)

Time of First Successful Submission: 2026-03-16 15:13:26

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-03-16 15:25:52

HTTP Forms (javascript)

Time of First Successful Submission: 2026-03-16 15:43:09

cat

Time of First Successful Submission: 2026-02-25 10:49:04

more

Time of First Successful Submission: 2026-02-25 10:58:09

less

Time of First Successful Submission: 2026-02-25 10:58:57

tail

Time of First Successful Submission: 2026-02-25 10:59:23

head

Time of First Successful Submission: 2026-02-25 10:59:45

sort

Time of First Successful Submission: 2026-02-25 11:00:03

vim

Time of First Successful Submission: 2026-02-25 11:00:42

emacs

Time of First Successful Submission: 2026-02-25 11:01:03

nano

Time of First Successful Submission: 2026-02-25 11:01:26

rev

Time of First Successful Submission: 2026-02-25 11:02:11

od

Time of First Successful Submission: 2026-02-25 11:23:33

hd

Time of First Successful Submission: 2026-02-25 11:25:39

xxd

Time of First Successful Submission: 2026-02-25 11:28:22

base32

Time of First Successful Submission: 2026-02-25 11:30:26

base64

Time of First Successful Submission: 2026-02-25 11:30:53

split

Time of First Successful Submission: 2026-02-25 11:33:21

gzip

Time of First Successful Submission: 2026-02-25 11:39:25

bzip2

Time of First Successful Submission: 2026-02-25 11:45:36

zip

Time of First Successful Submission: 2026-02-25 11:55:23

tar

Time of First Successful Submission: 2026-02-25 11:59:21

ar

Time of First Successful Submission: 2026-02-25 12:02:58

cpio

Time of First Successful Submission: 2026-02-25 12:07:47

genisoimage

Time of First Successful Submission: 2026-02-25 12:11:12

env

Time of First Successful Submission: 2026-02-25 12:13:57

find

Time of First Successful Submission: 2026-02-25 12:19:35

make

Time of First Successful Submission: 2026-02-25 12:51:22

nice

Time of First Successful Submission: 2026-02-25 12:52:28

timeout

Time of First Successful Submission: 2026-02-25 12:53:26

stdbuf

Time of First Successful Submission: 2026-02-25 12:56:12

setarch

Time of First Successful Submission: 2026-02-25 12:59:12

watch

Time of First Successful Submission: 2026-02-25 13:28:18

socat

Time of First Successful Submission: 2026-02-25 13:38:13

whiptail

Time of First Successful Submission: 2026-02-25 13:51:43

awk

Time of First Successful Submission: 2026-02-25 13:59:28

sed

Time of First Successful Submission: 2026-02-25 14:00:11

ed

Time of First Successful Submission: 2026-02-25 14:08:23

chown

Time of First Successful Submission: 2026-02-25 14:09:12

chmod

Time of First Successful Submission: 2026-02-25 14:09:38

cp

Time of First Successful Submission: 2026-02-25 14:12:50

mv

Time of First Successful Submission: 2026-02-25 14:28:14

perl

Time of First Successful Submission: 2026-02-25 14:54:06

python

Time of First Successful Submission: 2026-02-25 14:57:23

ruby

Time of First Successful Submission: 2026-02-25 14:59:06

bash

Time of First Successful Submission: 2026-02-25 15:00:14

date

Time of First Successful Submission: 2026-02-25 15:07:23

dmesg

Time of First Successful Submission: 2026-02-25 15:08:25

wc

Time of First Successful Submission: 2026-02-25 15:09:42

gcc

Time of First Successful Submission: 2026-02-25 15:13:46

as

Time of First Successful Submission: 2026-02-25 15:14:29

wget

Time of First Successful Submission: 2026-02-25 15:44:30

ssh-keygen

Time of First Successful Submission: 2026-02-27 16:47:01

SQL Queries

Time of First Successful Submission: 2026-02-27 20:55:04

Filtering SQL

Time of First Successful Submission: 2026-02-27 20:57:21

Choosing Columns

Time of First Successful Submission: 2026-02-27 20:59:21

Exclusionary Filtering

Time of First Successful Submission: 2026-02-27 21:03:50

Filtering Strings

Time of First Successful Submission: 2026-02-27 21:05:21

Filtering on Expressions

Time of First Successful Submission: 2026-02-27 21:09:41

SELECTing Expressions

Time of First Successful Submission: 2026-02-27 21:16:59

Composite Conditions

Time of First Successful Submission: 2026-02-27 21:19:50

Reaching Your LIMITs

Time of First Successful Submission: 2026-02-27 21:26:16

Querying Metadata

Time of First Successful Submission: 2026-02-27 21:31:31


GCA CTF

10 / 104 18356 / 43655


Using the Terminal

Time of First Successful Submission: 2025-10-17 11:42:49

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-17 11:53:02

Using the GUI Desktop

Time of First Successful Submission: 2025-10-17 11:54:57

Pasting into the Desktop

Time of First Successful Submission: 2025-10-17 11:56:17

Restarting Challenges

Time of First Successful Submission: 2025-10-17 11:58:24

Challenge Programs

Time of First Successful Submission: 2025-10-17 12:02:18

The Flag File

Time of First Successful Submission: 2025-10-17 12:04:12

Using Privileged Mode

Time of First Successful Submission: 2025-10-17 12:13:29

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-17 12:16:46

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-17 12:17:17


Red Team Dojo

1 / 3 62 / 66


Hack the Bob!

Time of First Successful Submission: 2026-02-27 17:45:44