akraft5

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-12 15:24:54

Command Arguments

Time of First Successful Submission: 2026-01-12 15:25:59

Command History

Time of First Successful Submission: 2026-01-12 15:26:57

The Root Path

Time of First Successful Submission: 2026-01-12 15:42:18

Absolute Paths

Time of First Successful Submission: 2026-01-12 15:43:25

Changing position

Time of First Successful Submission: 2026-01-12 15:45:02

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-12 15:47:56

Relative Paths

Time of First Successful Submission: 2026-01-12 15:50:31

Cat

Time of First Successful Submission: 2026-01-13 01:54:15

Ls

Time of First Successful Submission: 2026-01-13 02:10:17

Ls All

Time of First Successful Submission: 2026-01-13 02:32:28

Find

Time of First Successful Submission: 2026-01-13 03:01:04

Piping Echo

Time of First Successful Submission: 2026-01-14 23:11:54

Piping Stdout

Time of First Successful Submission: 2026-01-14 23:23:33

Piping Stdin

Time of First Successful Submission: 2026-01-14 23:47:30

Intro to Cybersecurity

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Path Traversal 1

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

Path Traversal 2

Time of First Successful Submission: 2026-02-06 00:39:48

CMDi 1

Time of First Successful Submission: 2026-02-06 00:52:05

CMDi 2

Time of First Successful Submission: 2026-02-06 00:57:38

CMDi 3

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

CMDi 4

Time of First Successful Submission: 2026-02-06 16:29:14

CMDi 5

Time of First Successful Submission: 2026-02-07 14:29:14

Authentication Bypass 1

Time of First Successful Submission: 2026-02-07 14:40:11

Authentication Bypass 2

Time of First Successful Submission: 2026-02-07 14:53:54

SQLi 1

Time of First Successful Submission: 2026-02-07 17:10:03

SQLi 2

Time of First Successful Submission: 2026-02-07 20:36:06

SQLi 3

Time of First Successful Submission: 2026-02-07 21:27:34

SQLi 4

Time of First Successful Submission: 2026-02-07 21:36:00

SQLi 5

Time of First Successful Submission: 2026-02-10 16:48:23

XSS 1

Time of First Successful Submission: 2026-02-11 21:42:35

XSS 2

Time of First Successful Submission: 2026-02-11 21:51:20

XSS 3

Time of First Successful Submission: 2026-02-11 22:14:56

XSS 4

Time of First Successful Submission: 2026-02-11 22:51:50

XSS 5

Time of First Successful Submission: 2026-02-12 02:21:31

XSS 6

Time of First Successful Submission: 2026-02-12 13:43:37

XSS 7

Time of First Successful Submission: 2026-02-13 14:19:58

CSRF 1

Time of First Successful Submission: 2026-02-13 19:04:33

CSRF 2

Time of First Successful Submission: 2026-02-14 02:35:37

CSRF 3

Time of First Successful Submission: 2026-02-15 01:23:41

CSRF 4

Time of First Successful Submission: 2026-02-16 02:29:26

CSRF 5

Time of First Successful Submission: 2026-02-16 04:48:08

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-04 18:48:13

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-04 19:23:34

File Formats: Magic Numbers (x86)

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

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-04 19:42:16

Reading Endianness (C)

Time of First Successful Submission: 2026-03-04 19:46:18

Reading Endianness (x86)

Time of First Successful Submission: 2026-03-04 19:49:01

Version Information (Python)

Time of First Successful Submission: 2026-03-05 02:26:36

Version Information (C)

Time of First Successful Submission: 2026-03-05 03:07:47

Version Information (x86)

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

Metadata and Data (Python)

Time of First Successful Submission: 2026-03-06 01:15:41

Metadata and Data (C)

Time of First Successful Submission: 2026-03-06 02:14:46

Metadata and Data (x86)

Time of First Successful Submission: 2026-03-06 02:55:07

Input Restrictions (Python)

Time of First Successful Submission: 2026-03-06 03:09:59

Input Restrictions (C)

Time of First Successful Submission: 2026-03-06 19:06:02

Input Restrictions (x86)

Time of First Successful Submission: 2026-03-07 01:36:05

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-03-07 01:42:26

Behold the cIMG! (C)

Time of First Successful Submission: 2026-03-07 02:24:55

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-03-07 02:29:06

A Basic cIMG (Python)

Time of First Successful Submission: 2026-03-07 02:53:33

A Basic cIMG (C)

Time of First Successful Submission: 2026-03-12 15:33:59

A Basic cIMG (x86)

Time of First Successful Submission: 2026-03-12 15:47:29

Internal State Mini (C)

Time of First Successful Submission: 2026-03-12 22:02:17

Internal State Mini (x86)

Time of First Successful Submission: 2026-03-12 23:17:12

Internal State (C)

Time of First Successful Submission: 2026-03-13 01:06:29

Internal State (x86)

Time of First Successful Submission: 2026-03-13 01:27:32

File Formats: Directives (C)

Time of First Successful Submission: 2026-03-14 03:27:04

File Formats: Directives (x86)

Time of First Successful Submission: 2026-03-15 21:56:53

The Patch Directive

Time of First Successful Submission: 2026-03-18 16:02:00

Optimizing for Space

Time of First Successful Submission: 2026-03-19 18:08:41

Tweaking Images

Time of First Successful Submission: 2026-03-20 00:42:34

Storage and Retrieval

Time of First Successful Submission: 2026-03-21 03:05:59

Extracting Knowledge

Time of First Successful Submission: 2026-03-22 00:23:54

Advanced Sprites

Time of First Successful Submission: 2026-03-22 01:25:41

Accessing Resources

Time of First Successful Submission: 2026-03-23 22:34:40

Unsafe Animations

Time of First Successful Submission: 2026-03-24 23:47:03

Animations

Time of First Successful Submission: 2026-03-25 03:47:28

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-26 22:12:25

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-26 22:14:27

Precision (easy)

Time of First Successful Submission: 2026-03-26 22:19:44

Precision (hard)

Time of First Successful Submission: 2026-03-26 22:22:04

Variable Control (easy)

Time of First Successful Submission: 2026-03-26 23:20:53

Variable Control (hard)

Time of First Successful Submission: 2026-03-27 00:32:03

Control Hijack (easy)

Time of First Successful Submission: 2026-03-27 00:45:01

Control Hijack (hard)

Time of First Successful Submission: 2026-03-28 22:42:56

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-30 00:28:42

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-30 01:05:58

PIEs (easy)

Time of First Successful Submission: 2026-04-01 23:51:02

PIEs (hard)

Time of First Successful Submission: 2026-04-02 00:26:20

String Lengths (easy)

Time of First Successful Submission: 2026-04-02 01:37:18

String Lengths (hard)

Time of First Successful Submission: 2026-04-02 02:10:32

Basic Shellcode

Time of First Successful Submission: 2026-04-02 02:50:43

NOP Sleds

Time of First Successful Submission: 2026-04-02 20:27:16

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-02 21:19:20

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-02 23:17:35

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-04-03 00:39:42

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-03 01:14:14

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-01-12 13:04:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-12 13:07:43

Using the GUI Desktop

Time of First Successful Submission: 2026-01-12 13:10:51

Pasting into the Desktop

Time of First Successful Submission: 2026-01-12 13:13:23

Restarting Challenges

Time of First Successful Submission: 2026-01-12 13:32:49

Challenge Programs

Time of First Successful Submission: 2026-01-16 18:08:00

The Flag File

Time of First Successful Submission: 2026-01-16 18:09:20

Using Privileged Mode

Time of First Successful Submission: 2026-01-16 18:15:32

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-16 18:25:03

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-16 20:31:11

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-12 15:24:54

Intro to Arguments

Time of First Successful Submission: 2026-01-12 15:25:59

Command History

Time of First Successful Submission: 2026-01-12 15:26:57

The Root

Time of First Successful Submission: 2026-01-12 15:42:18

Program and absolute paths

Time of First Successful Submission: 2026-01-12 15:43:25

Position thy self

Time of First Successful Submission: 2026-01-12 15:45:02

Position elsewhere

Time of First Successful Submission: 2026-01-12 15:47:56

implicit relative paths, from /

Time of First Successful Submission: 2026-01-12 15:50:31

explicit relative paths, from /

Time of First Successful Submission: 2026-01-12 15:53:04

implicit relative path

Time of First Successful Submission: 2026-01-12 15:56:46

home sweet home

Time of First Successful Submission: 2026-01-12 16:11:46

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-13 01:54:15

catting absolute paths

Time of First Successful Submission: 2026-01-13 01:54:57

more catting practice

Time of First Successful Submission: 2026-01-13 01:55:53

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-13 01:58:48

comparing files

Time of First Successful Submission: 2026-01-13 02:01:19

listing files

Time of First Successful Submission: 2026-01-13 02:10:17

touching files

Time of First Successful Submission: 2026-01-13 02:12:01

removing files

Time of First Successful Submission: 2026-01-13 02:13:25

moving files

Time of First Successful Submission: 2026-01-13 02:15:10

copying files

Time of First Successful Submission: 2026-01-13 02:16:42

hidden files

Time of First Successful Submission: 2026-01-13 02:32:28

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-13 02:44:21

making directories

Time of First Successful Submission: 2026-01-13 02:46:34

finding files

Time of First Successful Submission: 2026-01-13 03:01:04

linking files

Time of First Successful Submission: 2026-01-13 19:49:05

Learning From Documentation

Time of First Successful Submission: 2026-01-13 19:53:09

Learning Complex Usage

Time of First Successful Submission: 2026-01-13 19:55:17

Reading Manuals

Time of First Successful Submission: 2026-01-14 01:50:41

Searching Manuals

Time of First Successful Submission: 2026-01-14 01:52:48

Searching For Manuals

Time of First Successful Submission: 2026-01-14 02:19:39

Helpful Programs

Time of First Successful Submission: 2026-01-14 02:22:15

Help for Builtins

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Matching with *

Time of First Successful Submission: 2026-01-14 02:33:58

Matching with ?

Time of First Successful Submission: 2026-01-14 02:34:56

Matching with []

Time of First Successful Submission: 2026-01-14 02:38:46

Matching paths with []

Time of First Successful Submission: 2026-01-14 02:53:50

Multiple globs

Time of First Successful Submission: 2026-01-14 03:01:10

Mixing globs

Time of First Successful Submission: 2026-01-14 03:08:51

Exclusionary globbing

Time of First Successful Submission: 2026-01-14 03:10:44

Tab completion

Time of First Successful Submission: 2026-01-14 03:11:50

Multiple options for tab completion

Time of First Successful Submission: 2026-01-14 03:19:25

Tab completion on commands

Time of First Successful Submission: 2026-01-14 03:20:15

Redirecting output

Time of First Successful Submission: 2026-01-14 23:11:54

Redirecting more output

Time of First Successful Submission: 2026-01-14 23:23:33

Appending output

Time of First Successful Submission: 2026-01-14 23:26:53

Redirecting errors

Time of First Successful Submission: 2026-01-14 23:32:40

Redirecting input

Time of First Successful Submission: 2026-01-14 23:47:30

Grepping stored results

Time of First Successful Submission: 2026-01-14 23:59:45

Grepping live output

Time of First Successful Submission: 2026-01-15 00:00:48

Grepping errors

Time of First Successful Submission: 2026-01-15 00:26:39

Filtering with grep -v

Time of First Successful Submission: 2026-01-15 01:05:57

Filtering with sed

Time of First Successful Submission: 2026-01-15 01:10:57

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-15 01:32:24

Process substitution for input

Time of First Successful Submission: 2026-01-15 01:37:31

Writing to multiple programs

Time of First Successful Submission: 2026-01-15 01:56:47

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-15 13:08:57

Named pipes

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Printing Variables

Time of First Successful Submission: 2026-01-15 02:02:35

Setting Variables

Time of First Successful Submission: 2026-01-15 02:03:40

Multi-word Variables

Time of First Successful Submission: 2026-01-15 02:04:20

Exporting Variables

Time of First Successful Submission: 2026-01-15 02:08:46

Printing Exported Variables

Time of First Successful Submission: 2026-01-15 02:09:46

Storing Command Output

Time of First Successful Submission: 2026-01-15 02:19:47

Reading Input

Time of First Successful Submission: 2026-01-15 13:00:51

Reading Files

Time of First Successful Submission: 2026-01-15 13:02:07

Translating characters

Time of First Successful Submission: 2026-01-15 13:36:26

Deleting characters

Time of First Successful Submission: 2026-01-15 13:37:30

Deleting newlines

Time of First Successful Submission: 2026-01-15 13:47:18

Extracting the first lines with head

Time of First Successful Submission: 2026-01-15 13:49:47

Extracting specific sections of text

Time of First Successful Submission: 2026-01-15 14:07:02

Sorting data

Time of First Successful Submission: 2026-01-15 14:08:52

Listing Processes

Time of First Successful Submission: 2026-01-15 14:23:59

Killing Processes

Time of First Successful Submission: 2026-01-15 16:34:01

Interrupting Processes

Time of First Successful Submission: 2026-01-15 16:35:42

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-15 16:44:46

Suspending Processes

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Resuming Processes

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Backgrounding Processes

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Foregrounding Processes

Time of First Successful Submission: 2026-01-15 16:51:53

Starting Backgrounded Processes

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Process Exit Codes

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Becoming root with su

Time of First Successful Submission: 2026-01-15 17:03:38

Other users with su

Time of First Successful Submission: 2026-01-15 17:06:39

Cracking passwords

Time of First Successful Submission: 2026-01-15 17:22:02

Using sudo

Time of First Successful Submission: 2026-01-15 17:26:37

Changing File Ownership

Time of First Successful Submission: 2026-01-15 17:34:00

Groups and Files

Time of First Successful Submission: 2026-01-15 17:37:07

Fun With Groups Names

Time of First Successful Submission: 2026-01-15 18:07:09

Changing Permissions

Time of First Successful Submission: 2026-01-15 18:19:22

Executable Files

Time of First Successful Submission: 2026-01-15 18:21:52

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-15 18:32:52

Permissions Setting Practice

Time of First Successful Submission: 2026-01-15 18:39:41

The SUID Bit

Time of First Successful Submission: 2026-01-15 21:32:22

Chaining with Semicolons

Time of First Successful Submission: 2026-01-15 21:56:10

Building on Success

Time of First Successful Submission: 2026-01-15 21:59:50

Handling Failure

Time of First Successful Submission: 2026-01-15 22:03:25

Your First Shell Script

Time of First Successful Submission: 2026-01-15 22:38:00

Redirecting Script Output

Time of First Successful Submission: 2026-01-15 22:41:07

Executable Shell Scripts

Time of First Successful Submission: 2026-01-15 22:45:27

Understanding Shebangs

Time of First Successful Submission: 2026-01-15 23:06:42

Scripting with Arguments

Time of First Successful Submission: 2026-01-15 23:53:37

Scripting with Conditionals

Time of First Successful Submission: 2026-01-15 23:59:49

Scripting with Default Cases

Time of First Successful Submission: 2026-01-16 00:03:57

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-16 00:08:40

Reading Shell Scripts

Time of First Successful Submission: 2026-01-16 00:10:36

Launching Screen

Time of First Successful Submission: 2026-01-16 00:53:14

Detaching and Attaching

Time of First Successful Submission: 2026-01-16 00:54:31

Finding Sessions

Time of First Successful Submission: 2026-01-16 00:56:09

Switching Windows

Time of First Successful Submission: 2026-01-16 00:59:36

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-16 01:01:15

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-16 01:06:07

The PATH Variable

Time of First Successful Submission: 2026-01-16 01:08:34

Setting PATH

Time of First Successful Submission: 2026-01-16 01:14:36

Finding Commands

Time of First Successful Submission: 2026-01-16 01:29:32

Adding Commands

Time of First Successful Submission: 2026-01-16 02:01:44

Hijacking Commands

Time of First Successful Submission: 2026-01-16 02:33:06

Bashrc Backdoor

Time of First Successful Submission: 2026-01-16 02:39:08

Sniffing Input

Time of First Successful Submission: 2026-01-16 03:13:07

Overshared Directories

Time of First Successful Submission: 2026-01-16 03:32:58

Tricky Linking

Time of First Successful Submission: 2026-01-16 06:17:28

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-16 06:23:32

Snooping on Configurations

Time of First Successful Submission: 2026-01-16 06:29:31

The Fork Bomb

Time of First Successful Submission: 2026-01-16 05:52:06

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-16 05:14:06

rm -rf /

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

Life after rm -rf /

Time of First Successful Submission: 2026-01-16 04:50:32

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-16 05:07:41

Computing 101

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Your First Register

Time of First Successful Submission: 2026-02-18 14:20:31

Your First Syscall

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Exit Codes

Time of First Successful Submission: 2026-02-18 14:24:13

Building Executables

Time of First Successful Submission: 2026-02-18 16:26:57

Moving Between Registers

Time of First Successful Submission: 2026-02-18 18:04:07

Loading From Memory

Time of First Successful Submission: 2026-02-18 20:10:33

More Loading Practice

Time of First Successful Submission: 2026-02-18 21:12:41

Dereferencing Pointers

Time of First Successful Submission: 2026-02-19 01:56:25

Dereferencing Yourself

Time of First Successful Submission: 2026-02-19 02:02:16

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-19 02:04:09

Stored Addresses

Time of First Successful Submission: 2026-02-19 02:28:30

Double Dereference

Time of First Successful Submission: 2026-02-19 13:42:34

The Stack

Time of First Successful Submission: 2026-02-19 13:51:19

Stack Offsets

Time of First Successful Submission: 2026-02-19 13:54:06

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-19 16:34:43

Popping From the Stack

Time of First Successful Submission: 2026-02-19 16:38:17

Disassembling Programs

Time of First Successful Submission: 2026-02-19 17:03:41

Tracing Syscalls

Time of First Successful Submission: 2026-02-19 17:10:43

Starting GDB

Time of First Successful Submission: 2026-02-19 17:12:53

Quitting GDB

Time of First Successful Submission: 2026-02-19 17:14:20

Starting Programs in GDB

Time of First Successful Submission: 2026-02-19 17:17:37

Disassembling in GDB

Time of First Successful Submission: 2026-02-19 17:20:39

Stepping Through Instructions

Time of First Successful Submission: 2026-02-19 17:27:03

Reading Register Values

Time of First Successful Submission: 2026-02-19 17:28:32

Popping Stack Values

Time of First Successful Submission: 2026-02-19 17:56:26

Examining Memory

Time of First Successful Submission: 2026-02-19 17:58:43

Examining Stack Pointers

Time of First Successful Submission: 2026-02-19 18:01:58

Cooperative Debugging

Time of First Successful Submission: 2026-02-19 18:09:30

Writing Output

Time of First Successful Submission: 2026-02-19 18:27:56

Chaining Syscalls

Time of First Successful Submission: 2026-02-19 18:31:05

Writing Strings

Time of First Successful Submission: 2026-02-19 18:33:47

Reading Data

Time of First Successful Submission: 2026-02-19 19:22:24

Opening Files

Time of First Successful Submission: 2026-02-19 19:36:06

Hardcoding the Filename

Time of First Successful Submission: 2026-02-20 02:13:12

Comparing Values

Time of First Successful Submission: 2026-02-21 23:18:47

Comparing Characters

Time of First Successful Submission: 2026-02-21 23:23:31

Conditional Control Flow

Time of First Successful Submission: 2026-02-21 23:26:59

Comparing Strings

Time of First Successful Submission: 2026-02-21 23:31:56

Reverse the Password

Time of First Successful Submission: 2026-02-21 23:43:25

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-22 01:52:44

Looping

Time of First Successful Submission: 2026-02-22 02:44:28

Reverse the Calculation

Time of First Successful Submission: 2026-02-22 03:13:25

Reverse the Reverse

Time of First Successful Submission: 2026-02-22 03:15:43

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-22 03:26:52

Loops on Data

Time of First Successful Submission: 2026-02-22 03:28:31

set-register

Time of First Successful Submission: 2026-02-22 03:43:05

set-multiple-registers

Time of First Successful Submission: 2026-02-22 03:52:07

add-to-register

Time of First Successful Submission: 2026-02-24 14:11:27

linear-equation-registers

Time of First Successful Submission: 2026-02-24 14:21:27

integer-division

Time of First Successful Submission: 2026-02-24 14:28:08

modulo-operation

Time of First Successful Submission: 2026-02-24 14:35:34

set-upper-byte

Time of First Successful Submission: 2026-02-24 20:18:54

efficient-modulo

Time of First Successful Submission: 2026-02-24 22:36:14

byte-extraction

Time of First Successful Submission: 2026-02-25 12:18:42

bitwise-and

Time of First Successful Submission: 2026-02-25 12:23:48

check-even

Time of First Successful Submission: 2026-02-25 13:02:35

memory-read

Time of First Successful Submission: 2026-02-25 13:09:59

memory-write

Time of First Successful Submission: 2026-02-25 13:25:17

memory-increment

Time of First Successful Submission: 2026-02-25 13:28:30

byte-access

Time of First Successful Submission: 2026-02-25 13:31:13

memory-size-access

Time of First Successful Submission: 2026-02-25 13:59:16

little-endian-write

Time of First Successful Submission: 2026-02-25 14:30:43

memory-sum

Time of First Successful Submission: 2026-02-25 14:52:13

stack-subtraction

Time of First Successful Submission: 2026-02-25 14:56:29

swap-stack-values

Time of First Successful Submission: 2026-02-25 14:59:54

average-stack-values

Time of First Successful Submission: 2026-02-25 16:24:58

absolute-jump

Time of First Successful Submission: 2026-02-25 22:35:55

relative-jump

Time of First Successful Submission: 2026-02-25 22:51:53

jump-trampoline

Time of First Successful Submission: 2026-02-26 16:28:01

conditional-jump

Time of First Successful Submission: 2026-02-26 17:38:58

indirect-jump

Time of First Successful Submission: 2026-02-26 18:04:29

average-loop

Time of First Successful Submission: 2026-02-26 18:31:35

count-non-zero

Time of First Successful Submission: 2026-02-26 19:03:30

string-lower

Time of First Successful Submission: 2026-02-27 00:06:54

most-common-byte

Time of First Successful Submission: 2026-02-28 00:23:27

Exit

Time of First Successful Submission: 2026-02-28 03:38:44

Socket

Time of First Successful Submission: 2026-03-01 13:05:02

Bind

Time of First Successful Submission: 2026-03-01 14:09:51

Listen

Time of First Successful Submission: 2026-03-01 17:48:00

Accept

Time of First Successful Submission: 2026-03-01 21:47:47

Static Response

Time of First Successful Submission: 2026-03-01 22:39:48

Dynamic Response

Time of First Successful Submission: 2026-03-02 01:35:51

Iterative GET Server

Time of First Successful Submission: 2026-03-02 01:39:32

Concurrent GET Server

Time of First Successful Submission: 2026-03-02 02:17:55

Debugging Programs

Time of First Successful Submission: 2026-02-28 00:29:55

Inspecting Registers

Time of First Successful Submission: 2026-02-28 00:33:48

Examining Memory

Time of First Successful Submission: 2026-02-28 00:45:01

Setting Breakpoints

Time of First Successful Submission: 2026-02-28 03:32:55

GDB Scripting

Time of First Successful Submission: 2026-03-01 01:38:52

Modifying Data

Time of First Successful Submission: 2026-03-01 03:22:00

Modifying Execution

Time of First Successful Submission: 2026-03-01 03:27:32

Broken Functions

Time of First Successful Submission: 2026-03-01 12:28:27

Playing With Programs

65 / 116 4301 / 23376

What's the password?

Time of First Successful Submission: 2026-01-16 20:41:27

... and again!

Time of First Successful Submission: 2026-01-16 20:42:34

Newline Troubles

Time of First Successful Submission: 2026-01-17 15:51:19

Reasoning about files

Time of First Successful Submission: 2026-01-17 16:10:20

Specifying Filenames

Time of First Successful Submission: 2026-01-17 16:12:35

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-19 00:58:38

More Hex

Time of First Successful Submission: 2026-01-19 01:11:18

Decoding Hex

Time of First Successful Submission: 2026-01-19 01:23:15

Decoding Practice

Time of First Successful Submission: 2026-01-19 02:16:02

Encoding Practice

Time of First Successful Submission: 2026-02-01 14:59:16

Hex-encoding ASCII

Time of First Successful Submission: 2026-02-01 17:44:56

Nested Encoding

Time of First Successful Submission: 2026-02-01 23:30:58

Hex-encoding UTF-8

Time of First Successful Submission: 2026-02-01 23:56:14

UTF Mixups

Time of First Successful Submission: 2026-02-02 01:26:34

Modifying Encoded Data

Time of First Successful Submission: 2026-02-02 01:54:06

Decoding Base64

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

Encoding Base64

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

Dealing with Obfuscation

Time of First Successful Submission: 2026-02-02 02:48:41

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-02-02 03:17:06

Your First HTTP Request

Time of First Successful Submission: 2026-01-21 22:18:31

Reading Flask

Time of First Successful Submission: 2026-01-21 22:23:19

Commented Data

Time of First Successful Submission: 2026-01-21 23:31:30

HTTP Metadata

Time of First Successful Submission: 2026-01-22 00:55:23

HTTP (netcat)

Time of First Successful Submission: 2026-01-22 01:31:35

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-22 02:04:34

HTTP (curl)

Time of First Successful Submission: 2026-01-22 02:39:27

HTTP (python)

Time of First Successful Submission: 2026-01-22 14:51:36

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-22 15:23:26

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-24 20:05:09

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-24 20:48:18

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-24 20:56:11

HTTP GET Parameters

Time of First Successful Submission: 2026-01-25 14:33:49

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-25 15:03:54

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-25 15:13:19

HTTP Forms

Time of First Successful Submission: 2026-01-25 15:18:23

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-25 15:28:23

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-25 16:20:33

HTTP Forms (python)

Time of First Successful Submission: 2026-01-25 16:49:30

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-25 17:23:19

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-25 17:30:07

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-25 17:45:30

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-25 17:55:05

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-27 16:52:04

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-27 16:58:42

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-28 03:05:40

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-28 03:21:52

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-28 03:25:33

Server State (python)

Time of First Successful Submission: 2026-01-28 03:27:45

Listening Web

Time of First Successful Submission: 2026-01-28 03:53:30

Speaking Redirects

Time of First Successful Submission: 2026-01-29 14:17:30

JavaScript Redirects

Time of First Successful Submission: 2026-01-30 19:17:35

Including JavaScript

Time of First Successful Submission: 2026-01-30 20:37:57

HTTP (javascript)

Time of First Successful Submission: 2026-01-31 02:25:10

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-31 02:40:41

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-31 03:03:32

SQL Queries

Time of First Successful Submission: 2026-01-31 14:42:29

Filtering SQL

Time of First Successful Submission: 2026-01-31 22:47:16

Choosing Columns

Time of First Successful Submission: 2026-02-01 00:15:59

Exclusionary Filtering

Time of First Successful Submission: 2026-02-01 00:37:53

Filtering Strings

Time of First Successful Submission: 2026-02-01 00:48:11

Filtering on Expressions

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

SELECTing Expressions

Time of First Successful Submission: 2026-02-01 01:57:04

Composite Conditions

Time of First Successful Submission: 2026-02-01 13:45:10

Reaching Your LIMITs

Time of First Successful Submission: 2026-02-01 14:05:25

Querying Metadata

Time of First Successful Submission: 2026-02-01 14:11:59

GCA CTF

12 / 104 1056 / 43594

Using the Terminal

Time of First Successful Submission: 2026-01-12 13:04:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-12 13:07:43

Using the GUI Desktop

Time of First Successful Submission: 2026-01-12 13:10:51

Pasting into the Desktop

Time of First Successful Submission: 2026-01-12 13:13:23

Connecting over SSH

Time of First Successful Submission: 2026-01-15 16:24:55

Restarting Challenges

Time of First Successful Submission: 2026-01-12 13:32:49

Getting Help

Time of First Successful Submission: 2026-01-15 15:29:47

Challenge Programs

Time of First Successful Submission: 2026-01-16 18:08:00

The Flag File

Time of First Successful Submission: 2026-01-16 18:09:20

Using Privileged Mode

Time of First Successful Submission: 2026-01-16 18:15:32

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-16 18:25:03

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-16 20:31:11