johnnystruant

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-12 18:22:15

Command Arguments

Time of First Successful Submission: 2026-01-12 18:22:47

Command History

Time of First Successful Submission: 2026-01-12 18:23:24

The Root Path

Time of First Successful Submission: 2026-01-12 18:35:18

Absolute Paths

Time of First Successful Submission: 2026-01-12 18:35:48

Changing position

Time of First Successful Submission: 2026-01-12 18:37:41

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-12 18:39:55

Relative Paths

Time of First Successful Submission: 2026-01-12 18:41:54

Cat

Time of First Successful Submission: 2026-01-12 18:48:51

Ls

Time of First Successful Submission: 2026-01-12 18:56:21

Ls All

Time of First Successful Submission: 2026-01-12 19:01:03

Find

Time of First Successful Submission: 2026-01-12 19:12:04

Piping Echo

Time of First Successful Submission: 2026-01-13 05:11:06

Piping Stdout

Time of First Successful Submission: 2026-01-13 05:13:42

Piping Stdin

Time of First Successful Submission: 2026-01-13 05:19:18

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-02-04 21:09:15

Path Traversal 2

Time of First Successful Submission: 2026-02-04 21:33:04

CMDi 1

Time of First Successful Submission: 2026-02-04 21:57:05

CMDi 2

Time of First Successful Submission: 2026-02-04 22:01:57

CMDi 3

Time of First Successful Submission: 2026-02-04 22:12:57

CMDi 4

Time of First Successful Submission: 2026-02-04 22:16:32

CMDi 5

Time of First Successful Submission: 2026-02-04 22:23:54

Authentication Bypass 1

Time of First Successful Submission: 2026-02-04 22:39:59

Authentication Bypass 2

Time of First Successful Submission: 2026-02-04 23:03:55

SQLi 1

Time of First Successful Submission: 2026-02-06 01:29:55

SQLi 2

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

SQLi 3

Time of First Successful Submission: 2026-02-06 02:23:29

SQLi 4

Time of First Successful Submission: 2026-02-06 02:33:46

SQLi 5

Time of First Successful Submission: 2026-02-10 01:10:37

XSS 1

Time of First Successful Submission: 2026-02-10 05:03:31

XSS 2

Time of First Successful Submission: 2026-02-10 05:09:38

XSS 3

Time of First Successful Submission: 2026-02-10 05:23:06

XSS 4

Time of First Successful Submission: 2026-02-10 05:27:22

XSS 5

Time of First Successful Submission: 2026-02-10 22:32:23

XSS 6

Time of First Successful Submission: 2026-02-10 23:16:54

XSS 7

Time of First Successful Submission: 2026-02-10 23:44:11

CSRF 1

Time of First Successful Submission: 2026-02-11 16:41:05

CSRF 2

Time of First Successful Submission: 2026-02-11 17:15:59

CSRF 3

Time of First Successful Submission: 2026-02-13 04:54:45

CSRF 4

Time of First Successful Submission: 2026-02-13 05:48:23

CSRF 5

Time of First Successful Submission: 2026-02-16 02:28:47

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-09 02:09:23

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-09 02:20:54

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-03-09 02:36:13

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-09 16:55:46

Reading Endianness (C)

Time of First Successful Submission: 2026-03-09 17:01:16

Reading Endianness (x86)

Time of First Successful Submission: 2026-03-09 17:15:15

Version Information (Python)

Time of First Successful Submission: 2026-03-09 17:20:33

Version Information (C)

Time of First Successful Submission: 2026-03-09 17:34:19

Version Information (x86)

Time of First Successful Submission: 2026-03-09 17:38:52

Metadata and Data (Python)

Time of First Successful Submission: 2026-03-09 17:56:04

Metadata and Data (C)

Time of First Successful Submission: 2026-03-09 18:03:20

Metadata and Data (x86)

Time of First Successful Submission: 2026-03-09 18:12:58

Input Restrictions (Python)

Time of First Successful Submission: 2026-03-09 18:26:48

Input Restrictions (C)

Time of First Successful Submission: 2026-03-09 18:30:53

Input Restrictions (x86)

Time of First Successful Submission: 2026-03-09 18:35:56

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-03-09 18:47:24

Behold the cIMG! (C)

Time of First Successful Submission: 2026-03-09 18:51:41

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-03-09 23:38:38

A Basic cIMG (Python)

Time of First Successful Submission: 2026-03-10 02:17:56

A Basic cIMG (C)

Time of First Successful Submission: 2026-03-13 01:06:22

A Basic cIMG (x86)

Time of First Successful Submission: 2026-03-13 01:14:22

Internal State Mini (C)

Time of First Successful Submission: 2026-03-13 02:10:19

Internal State Mini (x86)

Time of First Successful Submission: 2026-03-16 02:53:27

Internal State (C)

Time of First Successful Submission: 2026-03-16 22:54:04

Internal State (x86)

Time of First Successful Submission: 2026-03-17 01:54:47

File Formats: Directives (C)

Time of First Successful Submission: 2026-03-17 23:42:14

File Formats: Directives (x86)

Time of First Successful Submission: 2026-03-17 23:50:07

The Patch Directive

Time of First Successful Submission: 2026-03-19 04:13:18

Optimizing for Space

Time of First Successful Submission: 2026-03-20 02:41:50

Tweaking Images

Time of First Successful Submission: 2026-03-23 18:36:51

Storage and Retrieval

Time of First Successful Submission: 2026-03-24 03:56:39

Extracting Knowledge

Time of First Successful Submission: 2026-03-24 20:21:46

Advanced Sprites

Time of First Successful Submission: 2026-03-25 03:44:54

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-29 23:30:08

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-29 23:33:10

Precision (easy)

Time of First Successful Submission: 2026-03-29 23:43:10

Precision (hard)

Time of First Successful Submission: 2026-03-30 01:49:37

Variable Control (easy)

Time of First Successful Submission: 2026-03-30 01:57:13

Variable Control (hard)

Time of First Successful Submission: 2026-03-30 02:02:37

Control Hijack (easy)

Time of First Successful Submission: 2026-03-30 02:07:05

Control Hijack (hard)

Time of First Successful Submission: 2026-03-30 02:44:42

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-30 02:15:40

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-30 07:03:55

PIEs (easy)

Time of First Successful Submission: 2026-04-02 00:08:08

PIEs (hard)

Time of First Successful Submission: 2026-04-02 00:43:23

String Lengths (easy)

Time of First Successful Submission: 2026-04-02 01:02:06

String Lengths (hard)

Time of First Successful Submission: 2026-04-02 01:14:46

Start Here

5 / 12 32007 / 43317

Using the Terminal

Time of First Successful Submission: 2026-01-12 18:08:04

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-12 18:08:58

Using the GUI Desktop

Time of First Successful Submission: 2026-01-12 18:10:36

Pasting into the Desktop

Time of First Successful Submission: 2026-01-12 18:13:17

Restarting Challenges

Time of First Successful Submission: 2026-01-12 18:14:51

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-12 18:22:15

Intro to Arguments

Time of First Successful Submission: 2026-01-12 18:22:47

Command History

Time of First Successful Submission: 2026-01-12 18:23:24

The Root

Time of First Successful Submission: 2026-01-12 18:35:18

Program and absolute paths

Time of First Successful Submission: 2026-01-12 18:35:48

Position thy self

Time of First Successful Submission: 2026-01-12 18:37:41

Position elsewhere

Time of First Successful Submission: 2026-01-12 18:39:55

implicit relative paths, from /

Time of First Successful Submission: 2026-01-12 18:41:54

explicit relative paths, from /

Time of First Successful Submission: 2026-01-12 18:43:35

implicit relative path

Time of First Successful Submission: 2026-01-12 18:44:26

home sweet home

Time of First Successful Submission: 2026-01-12 18:47:04

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-12 18:48:51

catting absolute paths

Time of First Successful Submission: 2026-01-12 18:49:12

more catting practice

Time of First Successful Submission: 2026-01-12 18:50:23

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-12 18:51:58

comparing files

Time of First Successful Submission: 2026-01-12 18:54:13

listing files

Time of First Successful Submission: 2026-01-12 18:56:21

touching files

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removing files

Time of First Successful Submission: 2026-01-12 18:58:06

moving files

Time of First Successful Submission: 2026-01-12 18:58:50

copying files

Time of First Successful Submission: 2026-01-12 18:59:23

hidden files

Time of First Successful Submission: 2026-01-12 19:01:03

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-12 19:06:41

making directories

Time of First Successful Submission: 2026-01-12 19:07:34

finding files

Time of First Successful Submission: 2026-01-12 19:12:04

linking files

Time of First Successful Submission: 2026-01-12 20:42:07

Learning From Documentation

Time of First Successful Submission: 2026-01-12 20:45:44

Learning Complex Usage

Time of First Successful Submission: 2026-01-12 20:46:36

Reading Manuals

Time of First Successful Submission: 2026-01-12 20:48:29

Searching Manuals

Time of First Successful Submission: 2026-01-12 20:50:02

Searching For Manuals

Time of First Successful Submission: 2026-01-12 20:52:06

Helpful Programs

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Help for Builtins

Time of First Successful Submission: 2026-01-12 20:54:14

Matching with *

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Matching with ?

Time of First Successful Submission: 2026-01-12 20:59:19

Matching with []

Time of First Successful Submission: 2026-01-12 21:00:35

Matching paths with []

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Multiple globs

Time of First Successful Submission: 2026-01-12 21:04:06

Mixing globs

Time of First Successful Submission: 2026-01-12 21:06:30

Exclusionary globbing

Time of First Successful Submission: 2026-01-12 21:10:18

Tab completion

Time of First Successful Submission: 2026-01-12 21:11:18

Multiple options for tab completion

Time of First Successful Submission: 2026-01-12 21:12:58

Tab completion on commands

Time of First Successful Submission: 2026-01-12 21:13:26

Redirecting output

Time of First Successful Submission: 2026-01-13 05:11:06

Redirecting more output

Time of First Successful Submission: 2026-01-13 05:13:42

Appending output

Time of First Successful Submission: 2026-01-13 05:15:46

Redirecting errors

Time of First Successful Submission: 2026-01-13 05:17:49

Redirecting input

Time of First Successful Submission: 2026-01-13 05:19:18

Grepping stored results

Time of First Successful Submission: 2026-01-13 05:22:03

Grepping live output

Time of First Successful Submission: 2026-01-13 05:23:24

Grepping errors

Time of First Successful Submission: 2026-01-13 05:24:57

Filtering with grep -v

Time of First Successful Submission: 2026-01-13 05:32:48

Filtering with sed

Time of First Successful Submission: 2026-01-13 19:34:07

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-13 19:44:45

Process substitution for input

Time of First Successful Submission: 2026-01-13 19:47:57

Writing to multiple programs

Time of First Successful Submission: 2026-01-13 19:51:26

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-13 19:59:15

Named pipes

Time of First Successful Submission: 2026-01-13 20:06:38

Printing Variables

Time of First Successful Submission: 2026-01-13 22:05:45

Setting Variables

Time of First Successful Submission: 2026-01-13 22:07:58

Multi-word Variables

Time of First Successful Submission: 2026-01-13 22:10:00

Exporting Variables

Time of First Successful Submission: 2026-01-13 22:12:13

Printing Exported Variables

Time of First Successful Submission: 2026-01-13 22:12:51

Storing Command Output

Time of First Successful Submission: 2026-01-13 22:16:43

Reading Input

Time of First Successful Submission: 2026-01-13 22:18:05

Reading Files

Time of First Successful Submission: 2026-01-13 22:19:19

Translating characters

Time of First Successful Submission: 2026-01-13 22:24:50

Deleting characters

Time of First Successful Submission: 2026-01-13 22:25:38

Deleting newlines

Time of First Successful Submission: 2026-01-13 22:26:57

Extracting the first lines with head

Time of First Successful Submission: 2026-01-13 22:27:41

Extracting specific sections of text

Time of First Successful Submission: 2026-01-13 22:31:25

Sorting data

Time of First Successful Submission: 2026-01-13 22:32:28

Listing Processes

Time of First Successful Submission: 2026-01-13 22:35:31

Killing Processes

Time of First Successful Submission: 2026-01-13 22:37:06

Interrupting Processes

Time of First Successful Submission: 2026-01-13 22:37:43

Killing Misbehaving Processes

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Suspending Processes

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Resuming Processes

Time of First Successful Submission: 2026-01-13 22:42:44

Backgrounding Processes

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Foregrounding Processes

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Starting Backgrounded Processes

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Process Exit Codes

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Becoming root with su

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Other users with su

Time of First Successful Submission: 2026-01-13 23:42:59

Cracking passwords

Time of First Successful Submission: 2026-01-14 17:12:17

Using sudo

Time of First Successful Submission: 2026-01-14 17:15:31

Changing File Ownership

Time of First Successful Submission: 2026-01-14 19:21:08

Groups and Files

Time of First Successful Submission: 2026-01-14 20:13:13

Fun With Groups Names

Time of First Successful Submission: 2026-01-14 20:15:42

Changing Permissions

Time of First Successful Submission: 2026-01-14 20:17:30

Executable Files

Time of First Successful Submission: 2026-01-14 20:24:23

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-14 20:28:07

Permissions Setting Practice

Time of First Successful Submission: 2026-01-14 20:34:33

The SUID Bit

Time of First Successful Submission: 2026-01-14 20:35:42

Chaining with Semicolons

Time of First Successful Submission: 2026-01-14 20:37:48

Building on Success

Time of First Successful Submission: 2026-01-14 20:40:09

Handling Failure

Time of First Successful Submission: 2026-01-14 20:40:52

Your First Shell Script

Time of First Successful Submission: 2026-01-14 20:42:15

Redirecting Script Output

Time of First Successful Submission: 2026-01-14 20:45:12

Executable Shell Scripts

Time of First Successful Submission: 2026-01-14 20:47:51

Understanding Shebangs

Time of First Successful Submission: 2026-01-14 20:50:10

Scripting with Arguments

Time of First Successful Submission: 2026-01-14 20:53:33

Scripting with Conditionals

Time of First Successful Submission: 2026-01-14 20:56:52

Scripting with Default Cases

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Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-14 21:00:08

Reading Shell Scripts

Time of First Successful Submission: 2026-01-15 00:51:04

Launching Screen

Time of First Successful Submission: 2026-01-15 03:33:15

Detaching and Attaching

Time of First Successful Submission: 2026-01-15 03:34:49

Finding Sessions

Time of First Successful Submission: 2026-01-15 03:36:07

Switching Windows

Time of First Successful Submission: 2026-01-15 03:59:29

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-15 04:00:39

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-15 04:01:11

The PATH Variable

Time of First Successful Submission: 2026-01-15 03:38:40

Setting PATH

Time of First Successful Submission: 2026-01-15 03:39:41

Finding Commands

Time of First Successful Submission: 2026-01-15 03:41:38

Adding Commands

Time of First Successful Submission: 2026-01-15 03:45:15

Hijacking Commands

Time of First Successful Submission: 2026-01-15 03:49:00

Bashrc Backdoor

Time of First Successful Submission: 2026-01-15 03:56:05

Sniffing Input

Time of First Successful Submission: 2026-01-15 04:04:30

Overshared Directories

Time of First Successful Submission: 2026-01-15 04:24:24

Tricky Linking

Time of First Successful Submission: 2026-01-15 04:31:21

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-15 04:33:56

Snooping on Configurations

Time of First Successful Submission: 2026-01-15 04:35:34

The Fork Bomb

Time of First Successful Submission: 2026-01-15 04:52:01

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-15 04:54:38

rm -rf /

Time of First Successful Submission: 2026-01-15 04:57:54

Life after rm -rf /

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Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-15 05:11:13

Computing 101

94 / 94 204 / 21519

Your First Register

Time of First Successful Submission: 2026-02-18 21:57:36

Your First Syscall

Time of First Successful Submission: 2026-02-18 22:00:08

Exit Codes

Time of First Successful Submission: 2026-02-18 22:01:21

Building Executables

Time of First Successful Submission: 2026-02-18 22:09:16

Moving Between Registers

Time of First Successful Submission: 2026-02-18 22:13:43

Loading From Memory

Time of First Successful Submission: 2026-02-18 23:51:49

More Loading Practice

Time of First Successful Submission: 2026-02-18 23:52:44

Dereferencing Pointers

Time of First Successful Submission: 2026-02-18 23:59:02

Dereferencing Yourself

Time of First Successful Submission: 2026-02-19 00:00:22

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-19 00:01:43

Stored Addresses

Time of First Successful Submission: 2026-02-19 00:04:37

Double Dereference

Time of First Successful Submission: 2026-02-19 00:12:50

The Stack

Time of First Successful Submission: 2026-02-19 00:17:47

Stack Offsets

Time of First Successful Submission: 2026-02-19 00:18:54

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-19 00:20:36

Popping From the Stack

Time of First Successful Submission: 2026-02-19 00:23:19

Disassembling Programs

Time of First Successful Submission: 2026-02-19 00:31:12

Tracing Syscalls

Time of First Successful Submission: 2026-02-19 00:33:10

Starting GDB

Time of First Successful Submission: 2026-02-19 00:33:49

Quitting GDB

Time of First Successful Submission: 2026-02-19 00:34:09

Starting Programs in GDB

Time of First Successful Submission: 2026-02-19 00:35:04

Disassembling in GDB

Time of First Successful Submission: 2026-02-19 00:36:12

Stepping Through Instructions

Time of First Successful Submission: 2026-02-19 00:37:08

Reading Register Values

Time of First Successful Submission: 2026-02-19 00:38:04

Popping Stack Values

Time of First Successful Submission: 2026-02-19 00:39:08

Examining Memory

Time of First Successful Submission: 2026-02-19 00:40:40

Examining Stack Pointers

Time of First Successful Submission: 2026-02-19 00:42:01

Cooperative Debugging

Time of First Successful Submission: 2026-02-19 00:46:16

Writing Output

Time of First Successful Submission: 2026-02-20 04:03:26

Chaining Syscalls

Time of First Successful Submission: 2026-02-20 04:05:05

Writing Strings

Time of First Successful Submission: 2026-02-20 04:06:03

Reading Data

Time of First Successful Submission: 2026-02-20 04:13:01

Opening Files

Time of First Successful Submission: 2026-02-20 04:35:44

Hardcoding the Filename

Time of First Successful Submission: 2026-02-22 22:59:52

Comparing Values

Time of First Successful Submission: 2026-02-22 23:42:43

Comparing Characters

Time of First Successful Submission: 2026-02-22 23:45:18

Conditional Control Flow

Time of First Successful Submission: 2026-02-22 23:49:47

Comparing Strings

Time of First Successful Submission: 2026-02-22 23:54:03

Reverse the Password

Time of First Successful Submission: 2026-02-22 23:58:04

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-23 00:37:11

Looping

Time of First Successful Submission: 2026-02-23 21:08:55

Reverse the Calculation

Time of First Successful Submission: 2026-02-23 21:34:44

Reverse the Reverse

Time of First Successful Submission: 2026-02-23 21:37:32

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-23 21:43:29

Loops on Data

Time of First Successful Submission: 2026-02-23 21:44:26

set-register

Time of First Successful Submission: 2026-02-23 21:48:02

set-multiple-registers

Time of First Successful Submission: 2026-02-23 21:50:05

add-to-register

Time of First Successful Submission: 2026-02-23 21:53:53

linear-equation-registers

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

integer-division

Time of First Successful Submission: 2026-02-23 21:58:53

modulo-operation

Time of First Successful Submission: 2026-02-23 22:00:43

set-upper-byte

Time of First Successful Submission: 2026-02-23 22:02:32

efficient-modulo

Time of First Successful Submission: 2026-02-23 22:17:36

byte-extraction

Time of First Successful Submission: 2026-02-25 02:46:35

bitwise-and

Time of First Successful Submission: 2026-02-25 02:48:50

check-even

Time of First Successful Submission: 2026-02-25 03:09:14

memory-read

Time of First Successful Submission: 2026-02-25 20:48:26

memory-write

Time of First Successful Submission: 2026-02-25 20:52:23

memory-increment

Time of First Successful Submission: 2026-02-25 21:04:14

byte-access

Time of First Successful Submission: 2026-02-25 21:07:43

memory-size-access

Time of First Successful Submission: 2026-02-25 21:12:09

little-endian-write

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

memory-sum

Time of First Successful Submission: 2026-02-26 03:09:30

stack-subtraction

Time of First Successful Submission: 2026-02-26 03:11:09

swap-stack-values

Time of First Successful Submission: 2026-02-26 03:12:56

average-stack-values

Time of First Successful Submission: 2026-02-26 03:22:43

absolute-jump

Time of First Successful Submission: 2026-02-26 03:25:03

relative-jump

Time of First Successful Submission: 2026-02-27 00:49:00

jump-trampoline

Time of First Successful Submission: 2026-02-27 00:55:01

conditional-jump

Time of First Successful Submission: 2026-02-28 02:03:10

indirect-jump

Time of First Successful Submission: 2026-02-28 02:35:40

average-loop

Time of First Successful Submission: 2026-02-28 02:59:40

count-non-zero

Time of First Successful Submission: 2026-03-01 05:49:09

string-lower

Time of First Successful Submission: 2026-03-02 21:55:20

most-common-byte

Time of First Successful Submission: 2026-03-04 05:16:52

Exit

Time of First Successful Submission: 2026-03-02 21:59:35

Socket

Time of First Successful Submission: 2026-03-02 22:10:35

Bind

Time of First Successful Submission: 2026-03-02 22:34:44

Listen

Time of First Successful Submission: 2026-03-02 23:17:00

Accept

Time of First Successful Submission: 2026-03-02 23:27:29

Static Response

Time of First Successful Submission: 2026-03-02 23:55:12

Dynamic Response

Time of First Successful Submission: 2026-03-03 01:50:19

Iterative GET Server

Time of First Successful Submission: 2026-03-03 02:05:21

Concurrent GET Server

Time of First Successful Submission: 2026-03-03 02:34:49

Concurrent POST Server

Time of First Successful Submission: 2026-03-03 05:57:56

Web Server

Time of First Successful Submission: 2026-03-03 06:21:38

Debugging Programs

Time of First Successful Submission: 2026-03-01 05:52:32

Inspecting Registers

Time of First Successful Submission: 2026-03-01 05:55:02

Examining Memory

Time of First Successful Submission: 2026-03-01 06:28:27

Setting Breakpoints

Time of First Successful Submission: 2026-03-01 07:06:21

GDB Scripting

Time of First Successful Submission: 2026-03-03 23:47:43

Modifying Data

Time of First Successful Submission: 2026-03-04 00:15:34

Modifying Execution

Time of First Successful Submission: 2026-03-04 04:08:15

Broken Functions

Time of First Successful Submission: 2026-03-04 04:31:01

Playing With Programs

65 / 116 4196 / 23376

What's the password?

Time of First Successful Submission: 2026-01-20 22:38:14

... and again!

Time of First Successful Submission: 2026-01-20 22:39:10

Newline Troubles

Time of First Successful Submission: 2026-01-20 22:42:36

Reasoning about files

Time of First Successful Submission: 2026-01-20 23:08:01

Specifying Filenames

Time of First Successful Submission: 2026-01-20 23:11:04

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-20 23:13:57

More Hex

Time of First Successful Submission: 2026-01-20 23:17:38

Decoding Hex

Time of First Successful Submission: 2026-01-20 23:20:21

Decoding Practice

Time of First Successful Submission: 2026-01-20 23:25:54

Encoding Practice

Time of First Successful Submission: 2026-01-20 23:36:27

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-20 23:50:02

Nested Encoding

Time of First Successful Submission: 2026-01-21 20:55:21

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-21 21:07:55

UTF Mixups

Time of First Successful Submission: 2026-01-21 21:18:19

Modifying Encoded Data

Time of First Successful Submission: 2026-01-22 04:10:03

Decoding Base64

Time of First Successful Submission: 2026-01-22 19:18:00

Encoding Base64

Time of First Successful Submission: 2026-01-22 19:24:21

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-22 19:34:20

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-22 20:09:19

Your First HTTP Request

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

Reading Flask

Time of First Successful Submission: 2026-01-22 03:22:12

Commented Data

Time of First Successful Submission: 2026-01-22 03:25:40

HTTP Metadata

Time of First Successful Submission: 2026-01-22 03:27:04

HTTP (netcat)

Time of First Successful Submission: 2026-01-22 03:32:43

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-22 03:34:03

HTTP (curl)

Time of First Successful Submission: 2026-01-22 03:45:19

HTTP (python)

Time of First Successful Submission: 2026-01-22 04:32:51

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-22 20:25:06

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-22 20:30:50

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-23 01:10:22

URL Encoding (netcat)

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

HTTP GET Parameters

Time of First Successful Submission: 2026-01-23 01:22:34

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-23 01:31:45

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-23 01:36:20

HTTP Forms

Time of First Successful Submission: 2026-01-23 01:40:21

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-23 01:44:09

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-26 18:00:41

HTTP Forms (python)

Time of First Successful Submission: 2026-01-26 18:06:32

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-26 19:11:36

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-26 19:14:43

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-26 19:31:02

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-26 19:35:41

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-26 19:37:16

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-26 19:38:39

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-26 21:48:43

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-26 21:54:45

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-26 21:59:26

Server State (python)

Time of First Successful Submission: 2026-01-26 22:01:49

Listening Web

Time of First Successful Submission: 2026-01-26 22:07:13

Speaking Redirects

Time of First Successful Submission: 2026-01-26 22:16:26

JavaScript Redirects

Time of First Successful Submission: 2026-01-27 23:03:01

Including JavaScript

Time of First Successful Submission: 2026-01-27 23:59:49

HTTP (javascript)

Time of First Successful Submission: 2026-01-28 00:34:21

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-28 01:59:06

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-28 02:18:58

SQL Queries

Time of First Successful Submission: 2026-01-22 03:51:34

Filtering SQL

Time of First Successful Submission: 2026-01-23 01:47:52

Choosing Columns

Time of First Successful Submission: 2026-01-23 01:56:12

Exclusionary Filtering

Time of First Successful Submission: 2026-01-27 01:18:58

Filtering Strings

Time of First Successful Submission: 2026-01-27 01:20:32

Filtering on Expressions

Time of First Successful Submission: 2026-01-27 01:24:46

SELECTing Expressions

Time of First Successful Submission: 2026-01-27 21:59:22

Composite Conditions

Time of First Successful Submission: 2026-01-27 22:04:26

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-27 22:08:52

Querying Metadata

Time of First Successful Submission: 2026-01-27 22:11:40

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-01-12 18:08:04

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-12 18:08:58

Using the GUI Desktop

Time of First Successful Submission: 2026-01-12 18:10:36

Pasting into the Desktop

Time of First Successful Submission: 2026-01-12 18:13:17

Restarting Challenges

Time of First Successful Submission: 2026-01-12 18:14:51