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Triple Dereference

Time of First Successful Submission: 2025-12-13 09:04:07

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-12-04 22:16:42

Command Arguments

Time of First Successful Submission: 2025-12-04 22:17:39

Command History

Time of First Successful Submission: 2025-12-04 22:18:17

The Root Path

Time of First Successful Submission: 2025-12-04 22:19:27

Absolute Paths

Time of First Successful Submission: 2025-12-04 22:20:46

Changing position

Time of First Successful Submission: 2025-12-04 22:22:10

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-04 22:23:41

Relative Paths

Time of First Successful Submission: 2025-12-04 22:25:10

Cat

Time of First Successful Submission: 2025-12-04 22:32:42

Ls

Time of First Successful Submission: 2025-12-04 22:37:56

Ls All

Time of First Successful Submission: 2025-12-04 22:41:37

Find

Time of First Successful Submission: 2025-12-04 22:53:14

Piping Echo

Time of First Successful Submission: 2025-12-06 07:33:03

Piping Stdout

Time of First Successful Submission: 2025-12-06 07:34:44

Piping Stdin

Time of First Successful Submission: 2025-12-06 07:41:58

Start Here

12 / 12 702 / 43261

Using the Terminal

Time of First Successful Submission: 2025-12-04 20:25:26

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-04 20:27:36

Using the GUI Desktop

Time of First Successful Submission: 2025-12-04 20:31:58

Pasting into the Desktop

Time of First Successful Submission: 2025-12-04 21:52:53

Restarting Challenges

Time of First Successful Submission: 2025-12-04 22:01:39

Challenge Programs

Time of First Successful Submission: 2025-12-04 22:04:57

The Flag File

Time of First Successful Submission: 2025-12-04 22:07:21

Using Privileged Mode

Time of First Successful Submission: 2025-12-04 22:10:16

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-04 22:14:22

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-04 22:15:20

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-12-04 22:16:42

Intro to Arguments

Time of First Successful Submission: 2025-12-04 22:17:39

Command History

Time of First Successful Submission: 2025-12-04 22:18:17

The Root

Time of First Successful Submission: 2025-12-04 22:19:27

Program and absolute paths

Time of First Successful Submission: 2025-12-04 22:20:46

Position thy self

Time of First Successful Submission: 2025-12-04 22:22:10

Position elsewhere

Time of First Successful Submission: 2025-12-04 22:23:41

implicit relative paths, from /

Time of First Successful Submission: 2025-12-04 22:25:10

explicit relative paths, from /

Time of First Successful Submission: 2025-12-04 22:26:54

implicit relative path

Time of First Successful Submission: 2025-12-04 22:27:37

home sweet home

Time of First Successful Submission: 2025-12-04 22:31:42

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-04 22:32:42

catting absolute paths

Time of First Successful Submission: 2025-12-04 22:33:08

more catting practice

Time of First Successful Submission: 2025-12-04 22:33:56

grepping for a needle in a haystack

Time of First Successful Submission: 2025-12-04 22:35:06

comparing files

Time of First Successful Submission: 2025-12-04 22:37:11

listing files

Time of First Successful Submission: 2025-12-04 22:37:56

touching files

Time of First Successful Submission: 2025-12-04 22:38:44

removing files

Time of First Successful Submission: 2025-12-04 22:39:11

moving files

Time of First Successful Submission: 2025-12-04 22:39:57

copying files

Time of First Successful Submission: 2025-12-04 22:40:37

hidden files

Time of First Successful Submission: 2025-12-04 22:41:37

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-04 22:49:37

making directories

Time of First Successful Submission: 2025-12-04 22:50:19

finding files

Time of First Successful Submission: 2025-12-04 22:53:14

linking files

Time of First Successful Submission: 2025-12-04 22:56:02

Learning From Documentation

Time of First Successful Submission: 2025-12-06 06:47:01

Learning Complex Usage

Time of First Successful Submission: 2025-12-06 06:49:14

Reading Manuals

Time of First Successful Submission: 2025-12-06 06:57:54

Searching Manuals

Time of First Successful Submission: 2025-12-06 06:59:03

Searching For Manuals

Time of First Successful Submission: 2025-12-06 07:03:01

Helpful Programs

Time of First Successful Submission: 2025-12-06 07:05:07

Help for Builtins

Time of First Successful Submission: 2025-12-06 07:06:54

Matching with *

Time of First Successful Submission: 2025-12-06 07:10:07

Matching with ?

Time of First Successful Submission: 2025-12-06 07:11:13

Matching with []

Time of First Successful Submission: 2025-12-06 07:12:51

Matching paths with []

Time of First Successful Submission: 2025-12-06 07:14:06

Multiple globs

Time of First Successful Submission: 2025-12-06 07:15:57

Mixing globs

Time of First Successful Submission: 2025-12-06 07:22:33

Exclusionary globbing

Time of First Successful Submission: 2025-12-06 07:24:43

Tab completion

Time of First Successful Submission: 2025-12-06 07:27:55

Multiple options for tab completion

Time of First Successful Submission: 2025-12-06 07:29:11

Tab completion on commands

Time of First Successful Submission: 2025-12-06 07:29:50

Redirecting output

Time of First Successful Submission: 2025-12-06 07:33:03

Redirecting more output

Time of First Successful Submission: 2025-12-06 07:34:44

Appending output

Time of First Successful Submission: 2025-12-06 07:36:38

Redirecting errors

Time of First Successful Submission: 2025-12-06 07:39:38

Redirecting input

Time of First Successful Submission: 2025-12-06 07:41:58

Grepping stored results

Time of First Successful Submission: 2025-12-06 07:44:07

Grepping live output

Time of First Successful Submission: 2025-12-06 07:45:08

Grepping errors

Time of First Successful Submission: 2025-12-06 07:47:13

Filtering with grep -v

Time of First Successful Submission: 2025-12-06 07:48:28

Filtering with sed

Time of First Successful Submission: 2025-12-06 07:49:57

Duplicating piped data with tee

Time of First Successful Submission: 2025-12-06 07:54:03

Process substitution for input

Time of First Successful Submission: 2025-12-06 07:57:22

Writing to multiple programs

Time of First Successful Submission: 2025-12-06 08:04:34

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-06 08:17:37

Named pipes

Time of First Successful Submission: 2025-12-06 08:30:05

Printing Variables

Time of First Successful Submission: 2025-12-06 11:25:00

Setting Variables

Time of First Successful Submission: 2025-12-06 11:28:17

Multi-word Variables

Time of First Successful Submission: 2025-12-06 11:29:35

Exporting Variables

Time of First Successful Submission: 2025-12-06 11:32:15

Printing Exported Variables

Time of First Successful Submission: 2025-12-06 11:32:53

Storing Command Output

Time of First Successful Submission: 2025-12-06 11:34:53

Reading Input

Time of First Successful Submission: 2025-12-06 11:36:51

Reading Files

Time of First Successful Submission: 2025-12-06 11:39:09

Translating characters

Time of First Successful Submission: 2025-12-06 11:44:04

Deleting characters

Time of First Successful Submission: 2025-12-06 11:45:15

Deleting newlines

Time of First Successful Submission: 2025-12-06 11:46:54

Extracting the first lines with head

Time of First Successful Submission: 2025-12-06 11:48:36

Extracting specific sections of text

Time of First Successful Submission: 2025-12-06 11:52:16

Sorting data

Time of First Successful Submission: 2025-12-06 11:53:37

Listing Processes

Time of First Successful Submission: 2025-12-06 11:59:46

Killing Processes

Time of First Successful Submission: 2025-12-06 12:02:17

Interrupting Processes

Time of First Successful Submission: 2025-12-06 12:03:08

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-06 12:14:18

Suspending Processes

Time of First Successful Submission: 2025-12-06 12:15:20

Resuming Processes

Time of First Successful Submission: 2025-12-06 12:16:12

Backgrounding Processes

Time of First Successful Submission: 2025-12-06 12:17:11

Foregrounding Processes

Time of First Successful Submission: 2025-12-06 12:20:01

Starting Backgrounded Processes

Time of First Successful Submission: 2025-12-06 12:21:09

Process Exit Codes

Time of First Successful Submission: 2025-12-06 12:23:18

Becoming root with su

Time of First Successful Submission: 2025-12-06 12:28:35

Other users with su

Time of First Successful Submission: 2025-12-06 12:29:33

Cracking passwords

Time of First Successful Submission: 2025-12-06 12:33:24

Using sudo

Time of First Successful Submission: 2025-12-06 12:37:14

Changing File Ownership

Time of First Successful Submission: 2025-12-07 11:53:53

Groups and Files

Time of First Successful Submission: 2025-12-07 11:57:10

Fun With Groups Names

Time of First Successful Submission: 2025-12-07 11:59:06

Changing Permissions

Time of First Successful Submission: 2025-12-07 12:04:10

Executable Files

Time of First Successful Submission: 2025-12-07 12:07:26

Permission Tweaking Practice

Time of First Successful Submission: 2025-12-07 12:19:15

Permissions Setting Practice

Time of First Successful Submission: 2025-12-07 12:25:39

The SUID Bit

Time of First Successful Submission: 2025-12-07 12:29:15

Chaining with Semicolons

Time of First Successful Submission: 2025-12-07 12:30:29

Building on Success

Time of First Successful Submission: 2025-12-07 12:31:15

Handling Failure

Time of First Successful Submission: 2025-12-07 12:31:48

Your First Shell Script

Time of First Successful Submission: 2025-12-07 12:34:31

Redirecting Script Output

Time of First Successful Submission: 2025-12-07 14:41:26

Executable Shell Scripts

Time of First Successful Submission: 2025-12-07 14:44:54

Understanding Shebangs

Time of First Successful Submission: 2025-12-07 14:47:54

Scripting with Arguments

Time of First Successful Submission: 2025-12-07 14:50:21

Scripting with Conditionals

Time of First Successful Submission: 2025-12-07 19:11:30

Scripting with Default Cases

Time of First Successful Submission: 2025-12-07 19:17:14

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-07 19:23:58

Reading Shell Scripts

Time of First Successful Submission: 2025-12-07 19:33:48

Launching Screen

Time of First Successful Submission: 2025-12-07 19:35:55

Detaching and Attaching

Time of First Successful Submission: 2025-12-07 19:37:46

Finding Sessions

Time of First Successful Submission: 2025-12-07 19:40:18

Switching Windows

Time of First Successful Submission: 2025-12-07 19:42:05

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-07 19:44:52

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-07 19:46:10

The PATH Variable

Time of First Successful Submission: 2025-12-07 19:49:53

Setting PATH

Time of First Successful Submission: 2025-12-07 19:51:47

Finding Commands

Time of First Successful Submission: 2025-12-07 19:54:29

Adding Commands

Time of First Successful Submission: 2025-12-07 20:03:17

Hijacking Commands

Time of First Successful Submission: 2025-12-07 20:32:48

Bashrc Backdoor

Time of First Successful Submission: 2025-12-08 08:41:09

Sniffing Input

Time of First Successful Submission: 2025-12-08 08:57:39

Overshared Directories

Time of First Successful Submission: 2025-12-08 09:02:49

Tricky Linking

Time of First Successful Submission: 2025-12-08 09:13:15

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-08 09:15:36

Snooping on Configurations

Time of First Successful Submission: 2025-12-08 09:17:54

The Fork Bomb

Time of First Successful Submission: 2025-12-08 09:33:16

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-08 09:44:11

rm -rf /

Time of First Successful Submission: 2025-12-08 09:47:41

Life after rm -rf /

Time of First Successful Submission: 2025-12-08 10:14:37

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-08 10:18:38

Computing 101

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Your First Register

Time of First Successful Submission: 2025-12-10 17:07:32

Your First Syscall

Time of First Successful Submission: 2025-12-10 17:12:31

Exit Codes

Time of First Successful Submission: 2025-12-10 20:03:04

Building Executables

Time of First Successful Submission: 2025-12-10 21:59:39

Moving Between Registers

Time of First Successful Submission: 2025-12-10 22:01:41

Loading From Memory

Time of First Successful Submission: 2025-12-13 08:35:18

More Loading Practice

Time of First Successful Submission: 2025-12-13 08:39:26

Dereferencing Pointers

Time of First Successful Submission: 2025-12-13 08:51:53

Dereferencing Yourself

Time of First Successful Submission: 2025-12-13 08:54:31

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-13 08:56:21

Stored Addresses

Time of First Successful Submission: 2025-12-13 09:00:50

Double Dereference

Time of First Successful Submission: 2025-12-13 09:03:15

The Stack

Time of First Successful Submission: 2026-02-26 18:16:40

Stack Offsets

Time of First Successful Submission: 2026-02-26 18:19:41

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-26 18:22:06

Popping From the Stack

Time of First Successful Submission: 2026-02-26 18:24:16

Disassembling Programs

Time of First Successful Submission: 2026-02-26 18:29:51

Tracing Syscalls

Time of First Successful Submission: 2025-12-11 13:49:50

Starting GDB

Time of First Successful Submission: 2025-12-11 13:51:45

Quitting GDB

Time of First Successful Submission: 2026-02-27 17:28:04

Starting Programs in GDB

Time of First Successful Submission: 2025-12-11 13:53:56

Disassembling in GDB

Time of First Successful Submission: 2026-02-27 17:31:07

Stepping Through Instructions

Time of First Successful Submission: 2026-02-27 17:35:07

Reading Register Values

Time of First Successful Submission: 2026-02-27 17:36:08

Popping Stack Values

Time of First Successful Submission: 2026-02-27 17:37:39

Examining Memory

Time of First Successful Submission: 2026-02-27 17:38:47

Examining Stack Pointers

Time of First Successful Submission: 2026-02-27 17:40:44

Cooperative Debugging

Time of First Successful Submission: 2026-02-27 17:47:09

Writing Output

Time of First Successful Submission: 2025-12-13 09:18:12

Chaining Syscalls

Time of First Successful Submission: 2025-12-13 09:19:49

Writing Strings

Time of First Successful Submission: 2025-12-13 09:20:39

Reading Data

Time of First Successful Submission: 2025-12-13 10:14:24

Opening Files

Time of First Successful Submission: 2026-02-27 18:08:30

Hardcoding the Filename

Time of First Successful Submission: 2026-02-27 18:20:53

Comparing Values

Time of First Successful Submission: 2026-02-27 18:28:05

Comparing Characters

Time of First Successful Submission: 2026-03-01 07:31:28

Conditional Control Flow

Time of First Successful Submission: 2026-03-01 07:37:23

Comparing Strings

Time of First Successful Submission: 2026-03-01 07:43:31

Reverse the Password

Time of First Successful Submission: 2026-03-01 07:50:28

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-05 18:06:21

Looping

Time of First Successful Submission: 2026-03-05 18:10:32

Reverse the Calculation

Time of First Successful Submission: 2026-03-05 18:29:13

Reverse the Reverse

Time of First Successful Submission: 2026-03-05 18:30:17

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-03-05 18:31:38

Loops on Data

Time of First Successful Submission: 2026-03-05 18:34:16

set-register

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

set-multiple-registers

Time of First Successful Submission: 2025-12-13 10:18:31

add-to-register

Time of First Successful Submission: 2025-12-13 10:21:05

linear-equation-registers

Time of First Successful Submission: 2025-12-13 10:24:35

integer-division

Time of First Successful Submission: 2025-12-13 10:29:07

modulo-operation

Time of First Successful Submission: 2025-12-13 15:43:01

set-upper-byte

Time of First Successful Submission: 2025-12-13 15:45:39

efficient-modulo

Time of First Successful Submission: 2025-12-14 09:16:21

byte-extraction

Time of First Successful Submission: 2025-12-14 09:25:39

bitwise-and

Time of First Successful Submission: 2025-12-14 09:28:53

check-even

Time of First Successful Submission: 2025-12-14 10:01:55

memory-read

Time of First Successful Submission: 2025-12-14 14:32:36

memory-write

Time of First Successful Submission: 2025-12-14 14:34:14

memory-increment

Time of First Successful Submission: 2025-12-14 14:45:41

byte-access

Time of First Successful Submission: 2025-12-14 14:49:11

memory-size-access

Time of First Successful Submission: 2025-12-16 02:58:50

little-endian-write

Time of First Successful Submission: 2025-12-16 03:04:52

memory-sum

Time of First Successful Submission: 2025-12-16 19:12:44

stack-subtraction

Time of First Successful Submission: 2025-12-16 20:08:12

swap-stack-values

Time of First Successful Submission: 2025-12-18 15:05:13

average-stack-values

Time of First Successful Submission: 2025-12-19 12:18:06

absolute-jump

Time of First Successful Submission: 2025-12-19 18:15:45

relative-jump

Time of First Successful Submission: 2025-12-19 18:35:42

jump-trampoline

Time of First Successful Submission: 2025-12-19 18:42:38

conditional-jump

Time of First Successful Submission: 2025-12-20 11:12:28

indirect-jump

Time of First Successful Submission: 2025-12-20 11:59:18

average-loop

Time of First Successful Submission: 2025-12-20 12:18:37

count-non-zero

Time of First Successful Submission: 2025-12-20 12:39:52

string-lower

Time of First Successful Submission: 2025-12-20 13:28:56

most-common-byte

Time of First Successful Submission: 2025-12-22 14:32:27

Exit

Time of First Successful Submission: 2025-12-22 21:38:44

Socket

Time of First Successful Submission: 2025-12-22 21:56:10

Bind

Time of First Successful Submission: 2025-12-22 22:29:15

Listen

Time of First Successful Submission: 2025-12-29 15:55:01

Accept

Time of First Successful Submission: 2025-12-29 16:01:04

Static Response

Time of First Successful Submission: 2025-12-30 08:43:57

Dynamic Response

Time of First Successful Submission: 2026-01-03 17:00:40

Iterative GET Server

Time of First Successful Submission: 2026-01-03 17:07:56

Concurrent GET Server

Time of First Successful Submission: 2026-01-03 17:22:04

Concurrent POST Server

Time of First Successful Submission: 2026-01-03 17:39:24

Web Server

Time of First Successful Submission: 2026-01-03 17:42:16

Debugging Programs

Time of First Successful Submission: 2025-12-22 14:38:24

Inspecting Registers

Time of First Successful Submission: 2025-12-22 14:41:08

Examining Memory

Time of First Successful Submission: 2025-12-22 15:00:48

Setting Breakpoints

Time of First Successful Submission: 2025-12-22 15:32:42

GDB Scripting

Time of First Successful Submission: 2025-12-22 16:17:58

Modifying Data

Time of First Successful Submission: 2025-12-22 17:09:24

Modifying Execution

Time of First Successful Submission: 2025-12-22 17:19:21

Broken Functions

Time of First Successful Submission: 2025-12-22 17:49:21

Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-01-03 17:44:55

... and again!

Time of First Successful Submission: 2026-01-03 17:45:27

Newline Troubles

Time of First Successful Submission: 2026-01-03 17:50:13

Reasoning about files

Time of First Successful Submission: 2026-01-03 17:57:24

Specifying Filenames

Time of First Successful Submission: 2026-01-03 17:58:33

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-03 18:34:47

More Hex

Time of First Successful Submission: 2026-01-04 15:10:45

Decoding Hex

Time of First Successful Submission: 2026-01-04 15:18:23

Decoding Practice

Time of First Successful Submission: 2026-01-06 11:30:42

Encoding Practice

Time of First Successful Submission: 2026-01-06 11:43:16

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-06 12:04:13

Nested Encoding

Time of First Successful Submission: 2026-01-06 12:09:48

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-06 12:16:58

UTF Mixups

Time of First Successful Submission: 2026-01-09 15:54:22

Modifying Encoded Data

Time of First Successful Submission: 2026-01-09 16:31:15

Decoding Base64

Time of First Successful Submission: 2026-01-09 16:41:06

Encoding Base64

Time of First Successful Submission: 2026-01-10 09:58:08

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-10 10:03:30

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-10 10:18:44

Your First HTTP Request

Time of First Successful Submission: 2026-01-10 10:42:02

Reading Flask

Time of First Successful Submission: 2026-01-10 10:54:41

Commented Data

Time of First Successful Submission: 2026-01-10 10:57:12

HTTP Metadata

Time of First Successful Submission: 2026-01-10 10:59:02

HTTP (netcat)

Time of First Successful Submission: 2026-01-10 11:36:10

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-10 11:37:16

HTTP (curl)

Time of First Successful Submission: 2026-01-10 11:38:17

HTTP (python)

Time of First Successful Submission: 2026-01-10 11:41:19

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-10 12:03:06

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-10 12:02:46

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-10 12:10:45

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-10 12:14:44

HTTP GET Parameters

Time of First Successful Submission: 2026-01-10 12:17:48

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-10 12:20:52

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-10 12:23:30

HTTP Forms

Time of First Successful Submission: 2026-01-10 12:25:46

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-10 12:27:56

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-10 12:32:57

HTTP Forms (python)

Time of First Successful Submission: 2026-01-10 12:35:55

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-10 12:43:01

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-10 12:47:16

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-10 12:51:28

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-10 12:57:31

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-10 12:58:56

HTTP Redirects (python)

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

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-10 13:07:50

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-10 15:28:42

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-10 15:31:40

Server State (python)

Time of First Successful Submission: 2026-01-10 15:33:09

Listening Web

Time of First Successful Submission: 2026-01-10 15:41:38

Speaking Redirects

Time of First Successful Submission: 2026-01-10 15:46:02

JavaScript Redirects

Time of First Successful Submission: 2026-01-10 15:58:05

Including JavaScript

Time of First Successful Submission: 2026-01-10 16:23:41

HTTP (javascript)

Time of First Successful Submission: 2026-01-10 16:34:42

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-10 16:38:18

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-10 17:02:27

cat

Time of First Successful Submission: 2026-01-10 17:07:56

more

Time of First Successful Submission: 2026-01-10 17:33:11

less

Time of First Successful Submission: 2026-01-10 17:33:36

tail

Time of First Successful Submission: 2026-01-10 17:33:53

head

Time of First Successful Submission: 2026-01-10 17:34:13

sort

Time of First Successful Submission: 2026-01-10 17:34:33

vim

Time of First Successful Submission: 2026-01-10 17:34:54

emacs

Time of First Successful Submission: 2026-01-10 17:35:17

nano

Time of First Successful Submission: 2026-01-10 17:35:36

rev

Time of First Successful Submission: 2026-01-10 17:36:13

od

Time of First Successful Submission: 2026-01-10 17:43:41

hd

Time of First Successful Submission: 2026-01-10 17:48:59

xxd

Time of First Successful Submission: 2026-01-10 17:50:03

base32

Time of First Successful Submission: 2026-01-10 17:50:59

base64

Time of First Successful Submission: 2026-01-10 17:51:26

split

Time of First Successful Submission: 2026-01-10 17:53:15

gzip

Time of First Successful Submission: 2026-01-10 18:04:33

bzip2

Time of First Successful Submission: 2026-01-17 10:36:41

zip

Time of First Successful Submission: 2026-01-17 11:03:13

tar

Time of First Successful Submission: 2026-01-17 11:07:58

ar

Time of First Successful Submission: 2026-01-17 11:27:22

cpio

Time of First Successful Submission: 2026-01-24 11:01:06

SQL Queries

Time of First Successful Submission: 2026-03-05 18:44:22

Filtering SQL

Time of First Successful Submission: 2026-03-05 18:47:20

GCA CTF

12 / 104 969 / 43538

Using the Terminal

Time of First Successful Submission: 2025-12-04 20:25:26

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-04 20:27:36

Using the GUI Desktop

Time of First Successful Submission: 2025-12-04 20:31:58

Pasting into the Desktop

Time of First Successful Submission: 2025-12-04 21:52:53

Connecting over SSH

Time of First Successful Submission: 2026-01-10 17:25:37

Restarting Challenges

Time of First Successful Submission: 2025-12-04 22:01:39

Getting Help

Time of First Successful Submission: 2026-01-10 17:29:16

Challenge Programs

Time of First Successful Submission: 2025-12-04 22:04:57

The Flag File

Time of First Successful Submission: 2025-12-04 22:07:21

Using Privileged Mode

Time of First Successful Submission: 2025-12-04 22:10:16

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-04 22:14:22

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-04 22:15:20