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Triple Dereference

Time of First Successful Submission: 2026-01-20 01:06:45

Intro to Programming Languages

15 / 234 7645 / 29895

Commands

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

Command Arguments

Time of First Successful Submission: 2026-01-17 17:02:35

Command History

Time of First Successful Submission: 2026-01-17 17:02:57

The Root Path

Time of First Successful Submission: 2026-01-17 17:03:41

Absolute Paths

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

Changing position

Time of First Successful Submission: 2026-01-17 17:05:21

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-17 17:07:05

Relative Paths

Time of First Successful Submission: 2026-01-17 17:08:18

Cat

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

Ls

Time of First Successful Submission: 2026-01-17 17:34:26

Ls All

Time of First Successful Submission: 2026-01-17 17:38:37

Find

Time of First Successful Submission: 2026-01-17 17:46:37

Piping Echo

Time of First Successful Submission: 2026-01-17 23:27:10

Piping Stdout

Time of First Successful Submission: 2026-01-17 23:27:56

Piping Stdin

Time of First Successful Submission: 2026-01-17 23:36:09

Intro to Cybersecurity

1 / 183 19028 / 19109

Path Traversal 1

Time of First Successful Submission: 2026-01-29 02:05:39

Start Here

12 / 12 803 / 40512

Using the Terminal

Time of First Successful Submission: 2026-01-17 16:38:21

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-17 16:39:48

Using the GUI Desktop

Time of First Successful Submission: 2026-01-17 16:41:09

Pasting into the Desktop

Time of First Successful Submission: 2026-01-17 16:42:09

Restarting Challenges

Time of First Successful Submission: 2026-01-17 16:48:00

Challenge Programs

Time of First Successful Submission: 2026-01-17 16:51:19

The Flag File

Time of First Successful Submission: 2026-01-17 16:53:10

Using Privileged Mode

Time of First Successful Submission: 2026-01-17 16:55:42

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-17 16:58:35

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-17 16:59:09

Linux Luminarium

128 / 128 1556 / 30265

Intro to Commands

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

Intro to Arguments

Time of First Successful Submission: 2026-01-17 17:02:35

Command History

Time of First Successful Submission: 2026-01-17 17:02:57

The Root

Time of First Successful Submission: 2026-01-17 17:03:41

Program and absolute paths

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

Position thy self

Time of First Successful Submission: 2026-01-17 17:05:21

Position elsewhere

Time of First Successful Submission: 2026-01-17 17:07:05

implicit relative paths, from /

Time of First Successful Submission: 2026-01-17 17:08:18

explicit relative paths, from /

Time of First Successful Submission: 2026-01-17 17:09:41

implicit relative path

Time of First Successful Submission: 2026-01-17 17:10:32

home sweet home

Time of First Successful Submission: 2026-01-17 17:12:57

cat: not the pet, but the command!

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

catting absolute paths

Time of First Successful Submission: 2026-01-17 17:16:43

more catting practice

Time of First Successful Submission: 2026-01-17 17:31:59

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-17 17:32:50

comparing files

Time of First Successful Submission: 2026-01-17 17:33:50

listing files

Time of First Successful Submission: 2026-01-17 17:34:26

touching files

Time of First Successful Submission: 2026-01-17 17:35:29

removing files

Time of First Successful Submission: 2026-01-17 17:36:26

moving files

Time of First Successful Submission: 2026-01-17 17:37:09

copying files

Time of First Successful Submission: 2026-01-17 17:37:53

hidden files

Time of First Successful Submission: 2026-01-17 17:38:37

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-17 17:42:11

making directories

Time of First Successful Submission: 2026-01-17 17:42:58

finding files

Time of First Successful Submission: 2026-01-17 17:46:37

linking files

Time of First Successful Submission: 2026-01-17 17:50:22

Learning From Documentation

Time of First Successful Submission: 2026-01-17 22:20:17

Learning Complex Usage

Time of First Successful Submission: 2026-01-17 22:21:59

Reading Manuals

Time of First Successful Submission: 2026-01-17 22:23:54

Searching Manuals

Time of First Successful Submission: 2026-01-17 22:25:11

Searching For Manuals

Time of First Successful Submission: 2026-01-17 22:44:03

Helpful Programs

Time of First Successful Submission: 2026-01-17 22:47:32

Help for Builtins

Time of First Successful Submission: 2026-01-17 22:49:34

Matching with *

Time of First Successful Submission: 2026-01-17 22:55:09

Matching with ?

Time of First Successful Submission: 2026-01-17 22:56:30

Matching with []

Time of First Successful Submission: 2026-01-17 22:58:51

Matching paths with []

Time of First Successful Submission: 2026-01-17 23:00:03

Multiple globs

Time of First Successful Submission: 2026-01-17 23:01:33

Mixing globs

Time of First Successful Submission: 2026-01-17 23:18:00

Exclusionary globbing

Time of First Successful Submission: 2026-01-17 23:21:34

Tab completion

Time of First Successful Submission: 2026-01-17 23:22:38

Multiple options for tab completion

Time of First Successful Submission: 2026-01-17 23:24:30

Tab completion on commands

Time of First Successful Submission: 2026-01-17 23:24:53

Redirecting output

Time of First Successful Submission: 2026-01-17 23:27:10

Redirecting more output

Time of First Successful Submission: 2026-01-17 23:27:56

Appending output

Time of First Successful Submission: 2026-01-17 23:31:15

Redirecting errors

Time of First Successful Submission: 2026-01-17 23:33:52

Redirecting input

Time of First Successful Submission: 2026-01-17 23:36:09

Grepping stored results

Time of First Successful Submission: 2026-01-17 23:37:12

Grepping live output

Time of First Successful Submission: 2026-01-17 23:37:57

Grepping errors

Time of First Successful Submission: 2026-01-17 23:39:28

Filtering with grep -v

Time of First Successful Submission: 2026-01-17 23:40:13

Filtering with sed

Time of First Successful Submission: 2026-01-17 23:42:05

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-17 23:45:40

Process substitution for input

Time of First Successful Submission: 2026-01-17 23:50:17

Writing to multiple programs

Time of First Successful Submission: 2026-01-17 23:59:32

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-18 00:02:09

Named pipes

Time of First Successful Submission: 2026-01-18 00:06:14

Printing Variables

Time of First Successful Submission: 2026-01-18 00:07:08

Setting Variables

Time of First Successful Submission: 2026-01-18 00:07:55

Multi-word Variables

Time of First Successful Submission: 2026-01-18 00:08:34

Exporting Variables

Time of First Successful Submission: 2026-01-18 17:23:18

Printing Exported Variables

Time of First Successful Submission: 2026-01-18 17:24:21

Storing Command Output

Time of First Successful Submission: 2026-01-18 17:25:36

Reading Input

Time of First Successful Submission: 2026-01-18 17:31:36

Reading Files

Time of First Successful Submission: 2026-01-18 17:32:57

Translating characters

Time of First Successful Submission: 2026-01-18 17:41:56

Deleting characters

Time of First Successful Submission: 2026-01-18 17:42:58

Deleting newlines

Time of First Successful Submission: 2026-01-18 17:44:11

Extracting the first lines with head

Time of First Successful Submission: 2026-01-18 17:45:22

Extracting specific sections of text

Time of First Successful Submission: 2026-01-18 17:48:02

Sorting data

Time of First Successful Submission: 2026-01-18 17:51:02

Listing Processes

Time of First Successful Submission: 2026-01-18 17:55:02

Killing Processes

Time of First Successful Submission: 2026-01-18 17:56:54

Interrupting Processes

Time of First Successful Submission: 2026-01-18 17:57:37

Killing Misbehaving Processes

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

Suspending Processes

Time of First Successful Submission: 2026-01-18 18:02:26

Resuming Processes

Time of First Successful Submission: 2026-01-18 18:03:19

Backgrounding Processes

Time of First Successful Submission: 2026-01-18 18:04:21

Foregrounding Processes

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

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-18 18:08:48

Process Exit Codes

Time of First Successful Submission: 2026-01-18 18:10:35

Becoming root with su

Time of First Successful Submission: 2026-01-18 18:17:30

Other users with su

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

Cracking passwords

Time of First Successful Submission: 2026-01-18 18:21:37

Using sudo

Time of First Successful Submission: 2026-01-18 18:23:53

Changing File Ownership

Time of First Successful Submission: 2026-01-18 18:31:03

Groups and Files

Time of First Successful Submission: 2026-01-18 18:33:59

Fun With Groups Names

Time of First Successful Submission: 2026-01-18 18:36:07

Changing Permissions

Time of First Successful Submission: 2026-01-18 18:47:28

Executable Files

Time of First Successful Submission: 2026-01-18 18:49:25

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-18 18:54:35

Permissions Setting Practice

Time of First Successful Submission: 2026-01-18 19:03:22

The SUID Bit

Time of First Successful Submission: 2026-01-18 19:11:32

Chaining with Semicolons

Time of First Successful Submission: 2026-01-18 19:12:46

Building on Success

Time of First Successful Submission: 2026-01-18 19:13:37

Handling Failure

Time of First Successful Submission: 2026-01-18 19:16:35

Your First Shell Script

Time of First Successful Submission: 2026-01-18 19:18:24

Redirecting Script Output

Time of First Successful Submission: 2026-01-18 19:20:02

Executable Shell Scripts

Time of First Successful Submission: 2026-01-18 19:21:15

Understanding Shebangs

Time of First Successful Submission: 2026-01-18 19:23:46

Scripting with Arguments

Time of First Successful Submission: 2026-01-18 19:26:52

Scripting with Conditionals

Time of First Successful Submission: 2026-01-18 19:30:33

Scripting with Default Cases

Time of First Successful Submission: 2026-01-18 19:33:56

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-18 19:36:42

Reading Shell Scripts

Time of First Successful Submission: 2026-01-18 19:39:30

Launching Screen

Time of First Successful Submission: 2026-01-18 19:44:46

Detaching and Attaching

Time of First Successful Submission: 2026-01-18 19:45:44

Finding Sessions

Time of First Successful Submission: 2026-01-18 19:47:02

Switching Windows

Time of First Successful Submission: 2026-01-18 19:49:32

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-18 19:51:00

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-18 19:52:04

The PATH Variable

Time of First Successful Submission: 2026-01-19 22:20:00

Setting PATH

Time of First Successful Submission: 2026-01-19 22:21:14

Finding Commands

Time of First Successful Submission: 2026-01-19 22:22:11

Adding Commands

Time of First Successful Submission: 2026-01-19 22:29:31

Hijacking Commands

Time of First Successful Submission: 2026-01-19 22:34:17

Bashrc Backdoor

Time of First Successful Submission: 2026-01-19 22:43:57

Sniffing Input

Time of First Successful Submission: 2026-01-19 23:16:16

Overshared Directories

Time of First Successful Submission: 2026-01-19 23:28:28

Tricky Linking

Time of First Successful Submission: 2026-01-19 23:41:23

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-19 23:43:08

Snooping on Configurations

Time of First Successful Submission: 2026-01-19 23:45:17

The Fork Bomb

Time of First Successful Submission: 2026-01-20 00:00:28

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-20 00:02:32

rm -rf /

Time of First Successful Submission: 2026-01-20 00:04:50

Life after rm -rf /

Time of First Successful Submission: 2026-01-20 00:11:30

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-20 00:15:22

Computing 101

94 / 94 10 / 20439

Your First Register

Time of First Successful Submission: 2026-01-20 00:20:58

Your First Syscall

Time of First Successful Submission: 2026-01-20 00:30:12

Exit Codes

Time of First Successful Submission: 2026-01-20 00:31:45

Building Executables

Time of First Successful Submission: 2026-01-20 00:35:58

Moving Between Registers

Time of First Successful Submission: 2026-01-20 00:38:20

Loading From Memory

Time of First Successful Submission: 2026-01-20 00:50:08

More Loading Practice

Time of First Successful Submission: 2026-01-20 00:51:47

Dereferencing Pointers

Time of First Successful Submission: 2026-01-20 00:53:48

Dereferencing Yourself

Time of First Successful Submission: 2026-01-20 00:55:26

Dereferencing with Offsets

Time of First Successful Submission: 2026-01-20 00:57:31

Stored Addresses

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

Double Dereference

Time of First Successful Submission: 2026-01-20 01:05:34

The Stack

Time of First Successful Submission: 2026-02-18 00:57:57

Stack Offsets

Time of First Successful Submission: 2026-02-18 00:59:53

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-18 01:02:12

Popping From the Stack

Time of First Successful Submission: 2026-02-18 01:06:47

Disassembling Programs

Time of First Successful Submission: 2026-02-18 01:15:40

Tracing Syscalls

Time of First Successful Submission: 2026-01-20 00:41:28

Starting GDB

Time of First Successful Submission: 2026-01-20 00:42:23

Quitting GDB

Time of First Successful Submission: 2026-02-18 01:08:14

Starting Programs in GDB

Time of First Successful Submission: 2026-01-20 00:43:23

Disassembling in GDB

Time of First Successful Submission: 2026-02-18 01:14:07

Stepping Through Instructions

Time of First Successful Submission: 2026-02-18 01:16:55

Reading Register Values

Time of First Successful Submission: 2026-02-18 01:17:59

Popping Stack Values

Time of First Successful Submission: 2026-02-18 01:19:41

Examining Memory

Time of First Successful Submission: 2026-02-18 01:21:07

Examining Stack Pointers

Time of First Successful Submission: 2026-02-18 01:23:40

Cooperative Debugging

Time of First Successful Submission: 2026-02-18 01:29:06

Writing Output

Time of First Successful Submission: 2026-01-21 00:21:53

Chaining Syscalls

Time of First Successful Submission: 2026-01-21 00:23:51

Writing Strings

Time of First Successful Submission: 2026-01-21 00:26:58

Reading Data

Time of First Successful Submission: 2026-01-21 00:32:15

Opening Files

Time of First Successful Submission: 2026-02-18 01:43:31

Hardcoding the Filename

Time of First Successful Submission: 2026-02-18 02:00:41

Comparing Values

Time of First Successful Submission: 2026-02-18 16:48:39

Comparing Characters

Time of First Successful Submission: 2026-02-18 16:54:01

Conditional Control Flow

Time of First Successful Submission: 2026-02-18 17:00:22

Comparing Strings

Time of First Successful Submission: 2026-02-18 17:02:28

Reverse the Password

Time of First Successful Submission: 2026-02-18 17:14:33

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-18 17:36:08

Looping

Time of First Successful Submission: 2026-02-18 17:44:33

Reverse the Calculation

Time of First Successful Submission: 2026-02-18 17:51:19

Reverse the Reverse

Time of First Successful Submission: 2026-02-18 17:58:33

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-18 18:06:49

Loops on Data

Time of First Successful Submission: 2026-02-18 18:08:28

set-register

Time of First Successful Submission: 2026-01-21 00:42:39

set-multiple-registers

Time of First Successful Submission: 2026-01-21 00:51:05

add-to-register

Time of First Successful Submission: 2026-01-21 00:52:47

linear-equation-registers

Time of First Successful Submission: 2026-01-21 00:55:12

integer-division

Time of First Successful Submission: 2026-01-21 00:58:20

modulo-operation

Time of First Successful Submission: 2026-01-21 01:00:29

set-upper-byte

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

efficient-modulo

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

byte-extraction

Time of First Successful Submission: 2026-01-21 01:25:05

bitwise-and

Time of First Successful Submission: 2026-01-21 01:31:46

check-even

Time of First Successful Submission: 2026-01-22 19:55:33

memory-read

Time of First Successful Submission: 2026-01-22 19:59:23

memory-write

Time of First Successful Submission: 2026-01-22 20:00:22

memory-increment

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

byte-access

Time of First Successful Submission: 2026-01-22 20:08:29

memory-size-access

Time of First Successful Submission: 2026-01-22 20:12:19

little-endian-write

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

memory-sum

Time of First Successful Submission: 2026-01-22 20:30:06

stack-subtraction

Time of First Successful Submission: 2026-01-22 20:32:48

swap-stack-values

Time of First Successful Submission: 2026-01-22 20:34:06

average-stack-values

Time of First Successful Submission: 2026-01-22 20:43:25

absolute-jump

Time of First Successful Submission: 2026-01-22 20:48:46

relative-jump

Time of First Successful Submission: 2026-01-22 21:06:04

jump-trampoline

Time of First Successful Submission: 2026-01-22 21:10:18

conditional-jump

Time of First Successful Submission: 2026-01-22 21:30:41

indirect-jump

Time of First Successful Submission: 2026-01-23 00:30:17

average-loop

Time of First Successful Submission: 2026-01-23 00:44:53

count-non-zero

Time of First Successful Submission: 2026-01-23 00:59:26

string-lower

Time of First Successful Submission: 2026-01-23 19:02:40

most-common-byte

Time of First Successful Submission: 2026-01-24 19:28:02

Exit

Time of First Successful Submission: 2026-01-26 02:51:29

Socket

Time of First Successful Submission: 2026-02-01 17:03:40

Bind

Time of First Successful Submission: 2026-02-01 17:30:27

Listen

Time of First Successful Submission: 2026-02-16 22:56:53

Accept

Time of First Successful Submission: 2026-02-16 23:22:02

Static Response

Time of First Successful Submission: 2026-02-17 00:09:32

Dynamic Response

Time of First Successful Submission: 2026-02-17 15:02:57

Iterative GET Server

Time of First Successful Submission: 2026-02-17 17:37:20

Concurrent GET Server

Time of First Successful Submission: 2026-02-17 18:03:06

Concurrent POST Server

Time of First Successful Submission: 2026-02-17 22:41:36

Web Server

Time of First Successful Submission: 2026-02-18 00:53:07

Debugging Programs

Time of First Successful Submission: 2026-01-24 19:40:57

Inspecting Registers

Time of First Successful Submission: 2026-01-24 19:42:19

Examining Memory

Time of First Successful Submission: 2026-01-24 19:59:03

Setting Breakpoints

Time of First Successful Submission: 2026-01-24 20:13:37

GDB Scripting

Time of First Successful Submission: 2026-01-25 18:57:26

Modifying Data

Time of First Successful Submission: 2026-01-26 02:06:21

Modifying Execution

Time of First Successful Submission: 2026-01-26 02:27:50

Broken Functions

Time of First Successful Submission: 2026-01-26 02:46:24

Playing With Programs

69 / 116 3123 / 22831

What's the password?

Time of First Successful Submission: 2026-01-27 00:44:48

... and again!

Time of First Successful Submission: 2026-01-27 00:45:43

Newline Troubles

Time of First Successful Submission: 2026-01-27 00:49:44

Reasoning about files

Time of First Successful Submission: 2026-01-27 00:51:54

Specifying Filenames

Time of First Successful Submission: 2026-01-27 00:53:12

Binary and Hex Encoding

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

More Hex

Time of First Successful Submission: 2026-01-27 01:02:58

Decoding Hex

Time of First Successful Submission: 2026-01-27 01:29:09

Decoding Practice

Time of First Successful Submission: 2026-02-18 20:10:11

Encoding Practice

Time of First Successful Submission: 2026-02-18 20:25:20

Hex-encoding ASCII

Time of First Successful Submission: 2026-02-18 20:50:00

Nested Encoding

Time of First Successful Submission: 2026-02-18 20:51:36

Hex-encoding UTF-8

Time of First Successful Submission: 2026-02-18 21:10:59

UTF Mixups

Time of First Successful Submission: 2026-02-19 00:57:00

Modifying Encoded Data

Time of First Successful Submission: 2026-02-19 21:14:45

Decoding Base64

Time of First Successful Submission: 2026-02-19 21:32:32

Encoding Base64

Time of First Successful Submission: 2026-02-19 21:33:37

Dealing with Obfuscation

Time of First Successful Submission: 2026-02-19 21:41:37

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-02-19 21:52:03

Your First HTTP Request

Time of First Successful Submission: 2026-02-19 23:51:29

Reading Flask

Time of First Successful Submission: 2026-02-19 23:53:47

Commented Data

Time of First Successful Submission: 2026-02-20 00:01:29

HTTP Metadata

Time of First Successful Submission: 2026-02-20 00:03:01

HTTP (netcat)

Time of First Successful Submission: 2026-02-20 00:13:44

HTTP Paths (netcat)

Time of First Successful Submission: 2026-02-20 00:15:36

HTTP (curl)

Time of First Successful Submission: 2026-02-20 00:18:18

HTTP (python)

Time of First Successful Submission: 2026-02-20 00:24:59

HTTP Host Header (python)

Time of First Successful Submission: 2026-02-20 00:33:34

HTTP Host Header (curl)

Time of First Successful Submission: 2026-02-20 00:37:04

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-02-20 00:39:22

URL Encoding (netcat)

Time of First Successful Submission: 2026-02-20 13:21:36

HTTP GET Parameters

Time of First Successful Submission: 2026-02-20 13:26:43

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-02-20 13:31:37

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-02-20 13:33:51

HTTP Forms

Time of First Successful Submission: 2026-02-20 13:36:48

HTTP Forms (curl)

Time of First Successful Submission: 2026-02-20 13:41:32

HTTP Forms (netcat)

Time of First Successful Submission: 2026-02-20 13:46:03

HTTP Forms (python)

Time of First Successful Submission: 2026-02-20 13:54:33

HTTP Forms Without Forms

Time of First Successful Submission: 2026-02-20 14:08:26

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-02-20 14:11:36

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-02-20 14:29:16

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-02-20 15:18:09

HTTP Redirects (curl)

Time of First Successful Submission: 2026-02-20 15:19:20

HTTP Redirects (python)

Time of First Successful Submission: 2026-02-20 15:20:39

HTTP Cookies (curl)

Time of First Successful Submission: 2026-02-20 15:27:05

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-02-20 15:30:52

HTTP Cookies (python)

Time of First Successful Submission: 2026-02-20 15:34:00

Server State (python)

Time of First Successful Submission: 2026-02-20 15:35:58

Listening Web

Time of First Successful Submission: 2026-02-20 15:40:01

Speaking Redirects

Time of First Successful Submission: 2026-02-20 15:43:59

JavaScript Redirects

Time of First Successful Submission: 2026-02-20 15:57:22

Including JavaScript

Time of First Successful Submission: 2026-02-20 16:09:35

HTTP (javascript)

Time of First Successful Submission: 2026-02-20 16:15:19

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-02-20 17:39:45

HTTP Forms (javascript)

Time of First Successful Submission: 2026-02-20 17:43:24

cat

Time of First Successful Submission: 2026-02-20 17:45:20

more

Time of First Successful Submission: 2026-02-20 17:45:44

less

Time of First Successful Submission: 2026-02-20 17:46:18

tail

Time of First Successful Submission: 2026-02-20 17:46:43

head

Time of First Successful Submission: 2026-02-20 17:47:08

sort

Time of First Successful Submission: 2026-02-20 17:47:32

vim

Time of First Successful Submission: 2026-02-20 17:48:03

emacs

Time of First Successful Submission: 2026-02-20 17:49:27

nano

Time of First Successful Submission: 2026-02-20 17:49:52

rev

Time of First Successful Submission: 2026-02-20 17:50:55

od

Time of First Successful Submission: 2026-02-20 17:57:55

hd

Time of First Successful Submission: 2026-02-20 17:58:40

xxd

Time of First Successful Submission: 2026-02-20 17:59:33

base32

Time of First Successful Submission: 2026-02-20 18:00:20

GCA CTF

12 / 104 1006 / 40741

Using the Terminal

Time of First Successful Submission: 2026-01-17 16:38:21

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-17 16:39:48

Using the GUI Desktop

Time of First Successful Submission: 2026-01-17 16:41:09

Pasting into the Desktop

Time of First Successful Submission: 2026-01-17 16:42:09

Connecting over SSH

Time of First Successful Submission: 2026-01-17 16:45:22

Restarting Challenges

Time of First Successful Submission: 2026-01-17 16:48:00

Getting Help

Time of First Successful Submission: 2026-01-17 16:50:09

Challenge Programs

Time of First Successful Submission: 2026-01-17 16:51:19

The Flag File

Time of First Successful Submission: 2026-01-17 16:53:10

Using Privileged Mode

Time of First Successful Submission: 2026-01-17 16:55:42

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-17 16:58:35

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-17 16:59:09