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1 / 202 21821 / 22791

Triple Dereference

Time of First Successful Submission: 2025-12-11 13:21:32

Intro to Programming Languages

15 / 234 6322 / 31914

Commands

Time of First Successful Submission: 2025-11-24 18:07:06

Command Arguments

Time of First Successful Submission: 2025-11-24 18:08:39

Command History

Time of First Successful Submission: 2025-11-24 18:10:44

The Root Path

Time of First Successful Submission: 2025-11-24 18:28:36

Absolute Paths

Time of First Successful Submission: 2025-11-24 18:29:44

Changing position

Time of First Successful Submission: 2025-11-24 18:30:43

Changing to an Absolute Path

Time of First Successful Submission: 2025-11-24 18:33:02

Relative Paths

Time of First Successful Submission: 2025-11-24 18:35:31

Cat

Time of First Successful Submission: 2025-11-24 18:40:56

Ls

Time of First Successful Submission: 2025-11-24 18:45:54

Ls All

Time of First Successful Submission: 2025-11-24 18:49:24

Find

Time of First Successful Submission: 2025-11-24 19:09:04

Piping Echo

Time of First Successful Submission: 2025-11-25 11:38:08

Piping Stdout

Time of First Successful Submission: 2025-11-25 11:39:06

Piping Stdin

Time of First Successful Submission: 2025-11-25 11:43:28

Intro to Cybersecurity

20 / 183 10400 / 20005

Path Traversal 1

Time of First Successful Submission: 2026-03-27 20:53:11

Path Traversal 2

Time of First Successful Submission: 2026-03-27 21:13:13

CMDi 1

Time of First Successful Submission: 2026-03-31 18:23:16

CMDi 2

Time of First Successful Submission: 2026-03-31 18:29:01

CMDi 3

Time of First Successful Submission: 2026-03-31 19:17:06

CMDi 4

Time of First Successful Submission: 2026-03-31 19:21:57

CMDi 5

Time of First Successful Submission: 2026-03-31 21:04:29

CMDi 6

Time of First Successful Submission: 2026-04-02 13:20:31

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-04 13:03:42

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-04 13:38:58

Precision (easy)

Time of First Successful Submission: 2026-03-04 13:42:31

Precision (hard)

Time of First Successful Submission: 2026-03-16 20:35:47

Variable Control (easy)

Time of First Successful Submission: 2026-03-17 12:50:37

Variable Control (hard)

Time of First Successful Submission: 2026-03-17 13:15:18

Control Hijack (easy)

Time of First Successful Submission: 2026-03-17 14:23:46

Control Hijack (hard)

Time of First Successful Submission: 2026-03-17 14:45:07

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-17 14:57:11

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-19 08:57:11

PIEs (easy)

Time of First Successful Submission: 2026-03-20 20:18:00

PIEs (hard)

Time of First Successful Submission: 2026-03-20 20:40:05

Start Here

12 / 12 176 / 43231

Using the Terminal

Time of First Successful Submission: 2025-11-24 17:29:33

Using the VSCode Workspace

Time of First Successful Submission: 2025-11-24 17:32:08

Using the GUI Desktop

Time of First Successful Submission: 2025-11-24 17:33:54

Pasting into the Desktop

Time of First Successful Submission: 2025-11-24 17:35:25

Restarting Challenges

Time of First Successful Submission: 2025-11-24 17:48:56

Challenge Programs

Time of First Successful Submission: 2025-11-24 17:54:19

The Flag File

Time of First Successful Submission: 2025-11-24 17:57:39

Using Privileged Mode

Time of First Successful Submission: 2025-11-24 18:01:04

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-24 18:03:15

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-24 18:04:15

Linux Luminarium

128 / 128 706 / 32324

Intro to Commands

Time of First Successful Submission: 2025-11-24 18:07:06

Intro to Arguments

Time of First Successful Submission: 2025-11-24 18:08:39

Command History

Time of First Successful Submission: 2025-11-24 18:10:44

The Root

Time of First Successful Submission: 2025-11-24 18:28:36

Program and absolute paths

Time of First Successful Submission: 2025-11-24 18:29:44

Position thy self

Time of First Successful Submission: 2025-11-24 18:30:43

Position elsewhere

Time of First Successful Submission: 2025-11-24 18:33:02

implicit relative paths, from /

Time of First Successful Submission: 2025-11-24 18:35:31

explicit relative paths, from /

Time of First Successful Submission: 2025-11-24 18:36:16

implicit relative path

Time of First Successful Submission: 2025-11-24 18:37:09

home sweet home

Time of First Successful Submission: 2025-11-24 18:38:53

cat: not the pet, but the command!

Time of First Successful Submission: 2025-11-24 18:40:56

catting absolute paths

Time of First Successful Submission: 2025-11-24 18:41:19

more catting practice

Time of First Successful Submission: 2025-11-24 18:42:37

grepping for a needle in a haystack

Time of First Successful Submission: 2025-11-24 18:43:20

comparing files

Time of First Successful Submission: 2025-11-24 18:45:12

listing files

Time of First Successful Submission: 2025-11-24 18:45:54

touching files

Time of First Successful Submission: 2025-11-24 18:46:38

removing files

Time of First Successful Submission: 2025-11-24 18:47:07

moving files

Time of First Successful Submission: 2025-11-24 18:48:12

copying files

Time of First Successful Submission: 2025-11-24 18:48:53

hidden files

Time of First Successful Submission: 2025-11-24 18:49:24

An Epic Filesystem Quest

Time of First Successful Submission: 2025-11-24 18:56:20

making directories

Time of First Successful Submission: 2025-11-24 18:57:11

finding files

Time of First Successful Submission: 2025-11-24 19:09:04

linking files

Time of First Successful Submission: 2025-11-24 19:36:30

Learning From Documentation

Time of First Successful Submission: 2025-11-24 19:37:40

Learning Complex Usage

Time of First Successful Submission: 2025-11-24 19:38:40

Reading Manuals

Time of First Successful Submission: 2025-11-24 19:41:35

Searching Manuals

Time of First Successful Submission: 2025-11-24 19:44:08

Searching For Manuals

Time of First Successful Submission: 2025-11-24 19:50:41

Helpful Programs

Time of First Successful Submission: 2025-11-24 19:53:06

Help for Builtins

Time of First Successful Submission: 2025-11-24 19:55:59

Matching with *

Time of First Successful Submission: 2025-11-24 21:03:15

Matching with ?

Time of First Successful Submission: 2025-11-24 23:51:42

Matching with []

Time of First Successful Submission: 2025-11-24 23:53:05

Matching paths with []

Time of First Successful Submission: 2025-11-24 23:54:34

Multiple globs

Time of First Successful Submission: 2025-11-24 23:55:31

Mixing globs

Time of First Successful Submission: 2025-11-25 00:04:41

Exclusionary globbing

Time of First Successful Submission: 2025-11-25 00:06:59

Tab completion

Time of First Successful Submission: 2025-11-25 00:07:52

Multiple options for tab completion

Time of First Successful Submission: 2025-11-25 00:08:40

Tab completion on commands

Time of First Successful Submission: 2025-11-25 00:09:09

Redirecting output

Time of First Successful Submission: 2025-11-25 11:38:08

Redirecting more output

Time of First Successful Submission: 2025-11-25 11:39:06

Appending output

Time of First Successful Submission: 2025-11-25 11:40:41

Redirecting errors

Time of First Successful Submission: 2025-11-25 11:41:54

Redirecting input

Time of First Successful Submission: 2025-11-25 11:43:28

Grepping stored results

Time of First Successful Submission: 2025-11-25 11:44:48

Grepping live output

Time of First Successful Submission: 2025-11-25 11:46:30

Grepping errors

Time of First Successful Submission: 2025-11-25 11:48:05

Filtering with grep -v

Time of First Successful Submission: 2025-11-25 11:51:29

Filtering with sed

Time of First Successful Submission: 2025-11-25 11:53:08

Duplicating piped data with tee

Time of First Successful Submission: 2025-11-25 11:59:39

Process substitution for input

Time of First Successful Submission: 2025-11-25 12:09:09

Writing to multiple programs

Time of First Successful Submission: 2025-11-25 12:14:10

Split-piping stderr and stdout

Time of First Successful Submission: 2025-11-25 12:30:30

Named pipes

Time of First Successful Submission: 2025-11-25 13:11:50

Printing Variables

Time of First Successful Submission: 2025-11-26 19:58:33

Setting Variables

Time of First Successful Submission: 2025-11-26 20:27:16

Multi-word Variables

Time of First Successful Submission: 2025-11-26 20:27:47

Exporting Variables

Time of First Successful Submission: 2025-11-26 20:30:08

Printing Exported Variables

Time of First Successful Submission: 2025-11-26 20:30:46

Storing Command Output

Time of First Successful Submission: 2025-11-26 20:32:32

Reading Input

Time of First Successful Submission: 2025-11-26 20:34:33

Reading Files

Time of First Successful Submission: 2025-11-26 20:37:37

Translating characters

Time of First Successful Submission: 2025-11-26 20:49:54

Deleting characters

Time of First Successful Submission: 2025-11-27 11:07:58

Deleting newlines

Time of First Successful Submission: 2025-11-27 11:10:15

Extracting the first lines with head

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

Extracting specific sections of text

Time of First Successful Submission: 2025-11-27 11:12:36

Sorting data

Time of First Successful Submission: 2025-11-27 11:15:26

Listing Processes

Time of First Successful Submission: 2025-11-27 11:20:51

Killing Processes

Time of First Successful Submission: 2025-11-27 11:23:17

Interrupting Processes

Time of First Successful Submission: 2025-11-27 11:23:59

Killing Misbehaving Processes

Time of First Successful Submission: 2025-11-27 11:31:17

Suspending Processes

Time of First Successful Submission: 2025-11-27 11:32:08

Resuming Processes

Time of First Successful Submission: 2025-11-27 11:32:53

Backgrounding Processes

Time of First Successful Submission: 2025-11-27 11:34:21

Foregrounding Processes

Time of First Successful Submission: 2025-11-27 11:36:07

Starting Backgrounded Processes

Time of First Successful Submission: 2025-11-27 11:36:49

Process Exit Codes

Time of First Successful Submission: 2025-11-27 11:39:16

Becoming root with su

Time of First Successful Submission: 2025-11-27 12:33:42

Other users with su

Time of First Successful Submission: 2025-11-27 12:34:52

Cracking passwords

Time of First Successful Submission: 2025-11-27 12:39:02

Using sudo

Time of First Successful Submission: 2025-11-27 12:42:05

Changing File Ownership

Time of First Successful Submission: 2025-11-27 12:44:42

Groups and Files

Time of First Successful Submission: 2025-11-27 12:49:22

Fun With Groups Names

Time of First Successful Submission: 2025-11-27 12:51:12

Changing Permissions

Time of First Successful Submission: 2025-11-27 12:53:59

Executable Files

Time of First Successful Submission: 2025-11-27 12:56:44

Permission Tweaking Practice

Time of First Successful Submission: 2025-11-27 13:01:32

Permissions Setting Practice

Time of First Successful Submission: 2025-11-27 13:03:43

The SUID Bit

Time of First Successful Submission: 2025-11-27 13:06:17

Chaining with Semicolons

Time of First Successful Submission: 2025-11-27 13:07:41

Building on Success

Time of First Successful Submission: 2025-11-27 13:08:36

Handling Failure

Time of First Successful Submission: 2025-11-27 13:09:04

Your First Shell Script

Time of First Successful Submission: 2025-11-27 13:12:11

Redirecting Script Output

Time of First Successful Submission: 2025-11-27 13:14:12

Executable Shell Scripts

Time of First Successful Submission: 2025-11-27 13:15:13

Understanding Shebangs

Time of First Successful Submission: 2025-11-27 13:17:35

Scripting with Arguments

Time of First Successful Submission: 2025-11-27 13:19:09

Scripting with Conditionals

Time of First Successful Submission: 2025-11-27 13:21:15

Scripting with Default Cases

Time of First Successful Submission: 2025-11-27 13:22:17

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-11-27 13:25:30

Reading Shell Scripts

Time of First Successful Submission: 2025-11-27 13:26:58

Launching Screen

Time of First Successful Submission: 2025-11-27 13:29:43

Detaching and Attaching

Time of First Successful Submission: 2025-11-27 13:32:13

Finding Sessions

Time of First Successful Submission: 2025-11-27 13:33:29

Switching Windows

Time of First Successful Submission: 2025-11-27 13:34:47

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-11-27 13:36:14

Switching Windows (tmux)

Time of First Successful Submission: 2025-11-27 13:36:56

The PATH Variable

Time of First Successful Submission: 2025-11-27 13:38:49

Setting PATH

Time of First Successful Submission: 2025-11-27 13:40:14

Finding Commands

Time of First Successful Submission: 2025-11-27 13:41:15

Adding Commands

Time of First Successful Submission: 2025-12-01 10:10:36

Hijacking Commands

Time of First Successful Submission: 2025-12-01 10:14:24

Bashrc Backdoor

Time of First Successful Submission: 2025-12-01 10:17:52

Sniffing Input

Time of First Successful Submission: 2025-12-01 10:28:42

Overshared Directories

Time of First Successful Submission: 2025-12-02 12:09:43

Tricky Linking

Time of First Successful Submission: 2025-12-03 09:40:16

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-03 09:42:23

Snooping on Configurations

Time of First Successful Submission: 2025-12-03 09:45:21

The Fork Bomb

Time of First Successful Submission: 2025-12-03 22:55:54

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-04 20:47:30

rm -rf /

Time of First Successful Submission: 2025-12-04 20:54:12

Life after rm -rf /

Time of First Successful Submission: 2025-12-04 21:01:22

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-04 21:06:48

Computing 101

94 / 94 199 / 21486

Your First Register

Time of First Successful Submission: 2025-12-05 20:02:54

Your First Syscall

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

Exit Codes

Time of First Successful Submission: 2025-12-11 12:26:52

Building Executables

Time of First Successful Submission: 2025-12-11 12:35:53

Moving Between Registers

Time of First Successful Submission: 2025-12-11 12:38:25

Loading From Memory

Time of First Successful Submission: 2025-12-11 12:59:29

More Loading Practice

Time of First Successful Submission: 2025-12-11 13:02:11

Dereferencing Pointers

Time of First Successful Submission: 2025-12-11 13:06:34

Dereferencing Yourself

Time of First Successful Submission: 2025-12-11 13:10:02

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-11 13:13:19

Stored Addresses

Time of First Successful Submission: 2025-12-11 13:16:50

Double Dereference

Time of First Successful Submission: 2025-12-11 13:19:24

The Stack

Time of First Successful Submission: 2026-03-03 11:00:04

Stack Offsets

Time of First Successful Submission: 2026-03-03 11:02:10

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-03 11:28:50

Popping From the Stack

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

Disassembling Programs

Time of First Successful Submission: 2026-03-03 11:52:57

Tracing Syscalls

Time of First Successful Submission: 2025-12-11 12:44:19

Starting GDB

Time of First Successful Submission: 2025-12-11 12:46:28

Quitting GDB

Time of First Successful Submission: 2026-03-03 11:31:33

Starting Programs in GDB

Time of First Successful Submission: 2025-12-11 12:47:33

Disassembling in GDB

Time of First Successful Submission: 2026-03-03 11:33:05

Stepping Through Instructions

Time of First Successful Submission: 2026-03-03 11:35:13

Reading Register Values

Time of First Successful Submission: 2026-03-03 11:36:53

Popping Stack Values

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

Examining Memory

Time of First Successful Submission: 2026-03-03 11:40:25

Examining Stack Pointers

Time of First Successful Submission: 2026-03-03 11:43:19

Cooperative Debugging

Time of First Successful Submission: 2026-03-03 11:51:16

Writing Output

Time of First Successful Submission: 2025-12-11 13:31:35

Chaining Syscalls

Time of First Successful Submission: 2025-12-11 13:33:21

Writing Strings

Time of First Successful Submission: 2025-12-11 13:35:28

Reading Data

Time of First Successful Submission: 2025-12-11 13:51:19

Opening Files

Time of First Successful Submission: 2026-03-03 12:02:24

Hardcoding the Filename

Time of First Successful Submission: 2026-03-03 12:15:57

Comparing Values

Time of First Successful Submission: 2026-03-03 19:43:29

Comparing Characters

Time of First Successful Submission: 2026-03-03 19:45:11

Conditional Control Flow

Time of First Successful Submission: 2026-03-03 19:47:24

Comparing Strings

Time of First Successful Submission: 2026-03-03 19:49:47

Reverse the Password

Time of First Successful Submission: 2026-03-03 19:55:28

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-03 20:39:05

Looping

Time of First Successful Submission: 2026-03-03 20:43:06

Reverse the Calculation

Time of First Successful Submission: 2026-03-03 20:48:18

Reverse the Reverse

Time of First Successful Submission: 2026-03-03 20:49:24

Dealing with Bitwise Operations

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

Loops on Data

Time of First Successful Submission: 2026-03-03 21:02:58

set-register

Time of First Successful Submission: 2025-12-11 13:58:38

set-multiple-registers

Time of First Successful Submission: 2025-12-11 14:00:49

add-to-register

Time of First Successful Submission: 2025-12-11 19:26:56

linear-equation-registers

Time of First Successful Submission: 2025-12-11 19:31:28

integer-division

Time of First Successful Submission: 2025-12-19 10:31:19

modulo-operation

Time of First Successful Submission: 2025-12-23 08:14:06

set-upper-byte

Time of First Successful Submission: 2025-12-23 08:19:44

efficient-modulo

Time of First Successful Submission: 2025-12-23 08:27:42

byte-extraction

Time of First Successful Submission: 2025-12-25 22:06:03

bitwise-and

Time of First Successful Submission: 2025-12-25 22:09:05

check-even

Time of First Successful Submission: 2025-12-25 22:30:52

memory-read

Time of First Successful Submission: 2025-12-25 22:35:05

memory-write

Time of First Successful Submission: 2025-12-25 23:22:30

memory-increment

Time of First Successful Submission: 2025-12-25 23:35:23

byte-access

Time of First Successful Submission: 2025-12-26 10:16:20

memory-size-access

Time of First Successful Submission: 2025-12-26 10:23:56

little-endian-write

Time of First Successful Submission: 2025-12-26 10:37:04

memory-sum

Time of First Successful Submission: 2025-12-26 10:54:20

stack-subtraction

Time of First Successful Submission: 2025-12-27 18:30:44

swap-stack-values

Time of First Successful Submission: 2025-12-27 18:31:59

average-stack-values

Time of First Successful Submission: 2025-12-27 19:23:41

absolute-jump

Time of First Successful Submission: 2025-12-27 19:42:49

relative-jump

Time of First Successful Submission: 2025-12-29 17:47:29

jump-trampoline

Time of First Successful Submission: 2026-01-04 09:48:35

conditional-jump

Time of First Successful Submission: 2026-01-04 10:27:47

indirect-jump

Time of First Successful Submission: 2026-01-04 17:47:21

average-loop

Time of First Successful Submission: 2026-01-04 18:15:55

count-non-zero

Time of First Successful Submission: 2026-01-04 19:39:23

string-lower

Time of First Successful Submission: 2026-01-05 22:16:59

most-common-byte

Time of First Successful Submission: 2026-01-06 19:33:23

Exit

Time of First Successful Submission: 2026-01-14 13:00:39

Socket

Time of First Successful Submission: 2026-02-01 19:17:08

Bind

Time of First Successful Submission: 2026-02-01 19:49:13

Listen

Time of First Successful Submission: 2026-02-02 16:21:42

Accept

Time of First Successful Submission: 2026-02-02 16:35:54

Static Response

Time of First Successful Submission: 2026-02-02 17:21:27

Dynamic Response

Time of First Successful Submission: 2026-02-03 11:02:43

Iterative GET Server

Time of First Successful Submission: 2026-02-03 11:12:51

Concurrent GET Server

Time of First Successful Submission: 2026-02-03 11:37:56

Concurrent POST Server

Time of First Successful Submission: 2026-02-05 22:06:13

Web Server

Time of First Successful Submission: 2026-02-05 22:31:27

Debugging Programs

Time of First Successful Submission: 2026-01-08 11:17:47

Inspecting Registers

Time of First Successful Submission: 2026-01-08 11:20:25

Examining Memory

Time of First Successful Submission: 2026-01-08 13:35:44

Setting Breakpoints

Time of First Successful Submission: 2026-01-13 17:17:37

GDB Scripting

Time of First Successful Submission: 2026-01-14 09:38:26

Modifying Data

Time of First Successful Submission: 2026-01-14 10:04:11

Modifying Execution

Time of First Successful Submission: 2026-01-14 12:08:41

Broken Functions

Time of First Successful Submission: 2026-01-14 12:50:59

Playing With Programs

116 / 116 778 / 23361

What's the password?

Time of First Successful Submission: 2026-02-06 09:29:49

... and again!

Time of First Successful Submission: 2026-02-06 09:30:29

Newline Troubles

Time of First Successful Submission: 2026-02-06 16:42:40

Reasoning about files

Time of First Successful Submission: 2026-02-06 18:53:17

Specifying Filenames

Time of First Successful Submission: 2026-02-06 18:54:51

Binary and Hex Encoding

Time of First Successful Submission: 2026-02-08 19:42:00

More Hex

Time of First Successful Submission: 2026-02-08 19:44:10

Decoding Hex

Time of First Successful Submission: 2026-02-09 09:50:32

Decoding Practice

Time of First Successful Submission: 2026-02-09 10:11:31

Encoding Practice

Time of First Successful Submission: 2026-02-09 13:52:46

Hex-encoding ASCII

Time of First Successful Submission: 2026-02-10 10:25:51

Nested Encoding

Time of First Successful Submission: 2026-02-10 10:39:05

Hex-encoding UTF-8

Time of First Successful Submission: 2026-02-10 11:05:22

UTF Mixups

Time of First Successful Submission: 2026-02-10 20:07:27

Modifying Encoded Data

Time of First Successful Submission: 2026-02-10 20:35:50

Decoding Base64

Time of First Successful Submission: 2026-02-10 20:49:13

Encoding Base64

Time of First Successful Submission: 2026-02-10 20:57:48

Dealing with Obfuscation

Time of First Successful Submission: 2026-02-10 21:00:47

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-02-10 22:01:29

Your First HTTP Request

Time of First Successful Submission: 2026-02-11 17:47:21

Reading Flask

Time of First Successful Submission: 2026-02-11 17:53:24

Commented Data

Time of First Successful Submission: 2026-02-11 23:06:24

HTTP Metadata

Time of First Successful Submission: 2026-02-11 23:46:13

HTTP (netcat)

Time of First Successful Submission: 2026-02-18 20:23:57

HTTP Paths (netcat)

Time of First Successful Submission: 2026-02-18 20:27:44

HTTP (curl)

Time of First Successful Submission: 2026-02-18 20:29:07

HTTP (python)

Time of First Successful Submission: 2026-02-19 08:51:42

HTTP Host Header (python)

Time of First Successful Submission: 2026-02-19 09:44:55

HTTP Host Header (curl)

Time of First Successful Submission: 2026-02-19 09:52:36

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-02-19 10:08:56

URL Encoding (netcat)

Time of First Successful Submission: 2026-02-19 11:13:10

HTTP GET Parameters

Time of First Successful Submission: 2026-02-19 11:41:36

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-02-19 11:44:54

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-02-19 11:47:37

HTTP Forms

Time of First Successful Submission: 2026-02-20 16:14:49

HTTP Forms (curl)

Time of First Successful Submission: 2026-02-20 16:24:15

HTTP Forms (netcat)

Time of First Successful Submission: 2026-02-20 16:46:57

HTTP Forms (python)

Time of First Successful Submission: 2026-02-20 16:57:48

HTTP Forms Without Forms

Time of First Successful Submission: 2026-02-20 17:11:16

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-02-20 17:20:23

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-02-20 17:26:19

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-02-20 21:30:35

HTTP Redirects (curl)

Time of First Successful Submission: 2026-02-20 21:31:45

HTTP Redirects (python)

Time of First Successful Submission: 2026-02-20 21:33:23

HTTP Cookies (curl)

Time of First Successful Submission: 2026-02-20 21:41:39

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-02-20 21:45:22

HTTP Cookies (python)

Time of First Successful Submission: 2026-02-21 19:28:10

Server State (python)

Time of First Successful Submission: 2026-02-21 19:35:52

Listening Web

Time of First Successful Submission: 2026-02-21 20:06:02

Speaking Redirects

Time of First Successful Submission: 2026-02-21 20:22:43

JavaScript Redirects

Time of First Successful Submission: 2026-02-22 10:25:02

Including JavaScript

Time of First Successful Submission: 2026-02-22 20:24:56

HTTP (javascript)

Time of First Successful Submission: 2026-02-22 21:40:17

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-02-22 21:47:42

HTTP Forms (javascript)

Time of First Successful Submission: 2026-02-22 22:05:12

cat

Time of First Successful Submission: 2026-02-21 20:30:19

more

Time of First Successful Submission: 2026-02-21 20:30:49

less

Time of First Successful Submission: 2026-02-22 22:08:46

tail

Time of First Successful Submission: 2026-02-22 22:09:19

head

Time of First Successful Submission: 2026-02-22 22:09:42

sort

Time of First Successful Submission: 2026-02-22 22:11:32

vim

Time of First Successful Submission: 2026-02-22 22:11:52

emacs

Time of First Successful Submission: 2026-02-22 22:20:13

nano

Time of First Successful Submission: 2026-02-22 22:21:09

rev

Time of First Successful Submission: 2026-02-22 22:21:44

od

Time of First Successful Submission: 2026-02-22 22:27:15

hd

Time of First Successful Submission: 2026-02-22 22:29:29

xxd

Time of First Successful Submission: 2026-02-22 22:33:44

base32

Time of First Successful Submission: 2026-02-22 22:34:32

base64

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

split

Time of First Successful Submission: 2026-02-22 22:38:30

gzip

Time of First Successful Submission: 2026-02-22 22:41:44

bzip2

Time of First Successful Submission: 2026-02-22 22:43:44

zip

Time of First Successful Submission: 2026-02-22 23:01:08

tar

Time of First Successful Submission: 2026-02-23 18:16:52

ar

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

cpio

Time of First Successful Submission: 2026-02-23 20:24:00

genisoimage

Time of First Successful Submission: 2026-02-23 22:45:25

env

Time of First Successful Submission: 2026-02-23 23:13:07

find

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

make

Time of First Successful Submission: 2026-02-23 23:25:24

nice

Time of First Successful Submission: 2026-02-23 23:28:04

timeout

Time of First Successful Submission: 2026-02-23 23:29:00

stdbuf

Time of First Successful Submission: 2026-02-25 17:47:43

setarch

Time of First Successful Submission: 2026-02-25 17:49:37

watch

Time of First Successful Submission: 2026-02-25 19:20:05

socat

Time of First Successful Submission: 2026-02-25 19:33:04

whiptail

Time of First Successful Submission: 2026-02-25 19:58:14

awk

Time of First Successful Submission: 2026-02-25 20:03:09

sed

Time of First Successful Submission: 2026-02-25 20:12:36

ed

Time of First Successful Submission: 2026-02-25 21:49:59

chown

Time of First Successful Submission: 2026-02-25 21:51:07

chmod

Time of First Successful Submission: 2026-02-25 21:52:01

cp

Time of First Successful Submission: 2026-02-25 21:56:12

mv

Time of First Successful Submission: 2026-02-26 19:53:31

perl

Time of First Successful Submission: 2026-02-26 19:57:55

python

Time of First Successful Submission: 2026-02-26 20:00:09

ruby

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

bash

Time of First Successful Submission: 2026-02-27 09:28:15

date

Time of First Successful Submission: 2026-02-27 09:49:33

dmesg

Time of First Successful Submission: 2026-02-27 09:51:12

wc

Time of First Successful Submission: 2026-02-27 09:57:36

gcc

Time of First Successful Submission: 2026-02-28 13:59:36

as

Time of First Successful Submission: 2026-02-28 14:04:02

wget

Time of First Successful Submission: 2026-02-28 14:31:19

ssh-keygen

Time of First Successful Submission: 2026-02-28 17:10:49

SQL Queries

Time of First Successful Submission: 2026-02-28 22:06:51

Filtering SQL

Time of First Successful Submission: 2026-03-01 19:01:32

Choosing Columns

Time of First Successful Submission: 2026-03-01 19:13:04

Exclusionary Filtering

Time of First Successful Submission: 2026-03-01 19:14:35

Filtering Strings

Time of First Successful Submission: 2026-03-01 19:20:12

Filtering on Expressions

Time of First Successful Submission: 2026-03-01 19:23:21

SELECTing Expressions

Time of First Successful Submission: 2026-03-01 19:35:00

Composite Conditions

Time of First Successful Submission: 2026-03-01 21:33:28

Reaching Your LIMITs

Time of First Successful Submission: 2026-03-01 21:35:27

Querying Metadata

Time of First Successful Submission: 2026-03-01 21:39:16

GCA CTF

12 / 104 482 / 43508

Using the Terminal

Time of First Successful Submission: 2025-11-24 17:29:33

Using the VSCode Workspace

Time of First Successful Submission: 2025-11-24 17:32:08

Using the GUI Desktop

Time of First Successful Submission: 2025-11-24 17:33:54

Pasting into the Desktop

Time of First Successful Submission: 2025-11-24 17:35:25

Connecting over SSH

Time of First Successful Submission: 2025-11-24 17:41:38

Restarting Challenges

Time of First Successful Submission: 2025-11-24 17:48:56

Getting Help

Time of First Successful Submission: 2025-11-24 17:53:01

Challenge Programs

Time of First Successful Submission: 2025-11-24 17:54:19

The Flag File

Time of First Successful Submission: 2025-11-24 17:57:39

Using Privileged Mode

Time of First Successful Submission: 2025-11-24 18:01:04

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-24 18:03:15

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-24 18:04:15