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1 / 202 19606 / 22840

Triple Dereference

Time of First Successful Submission: 2025-08-17 10:00:28

Intro to Programming Languages

15 / 234 1147 / 32906

Commands

Time of First Successful Submission: 2024-08-18 08:11:33

Command Arguments

Time of First Successful Submission: 2024-08-18 08:14:25

Command History

Time of First Successful Submission: 2025-06-06 11:59:14

The Root Path

Time of First Successful Submission: 2024-08-24 02:56:00

Absolute Paths

Time of First Successful Submission: 2024-08-24 02:58:28

Changing position

Time of First Successful Submission: 2024-08-24 03:02:43

Changing to an Absolute Path

Time of First Successful Submission: 2024-08-24 03:05:42

Relative Paths

Time of First Successful Submission: 2024-08-24 03:12:48

Cat

Time of First Successful Submission: 2024-09-01 05:36:58

Ls

Time of First Successful Submission: 2025-06-06 13:01:53

Ls All

Time of First Successful Submission: 2025-06-06 13:06:38

Find

Time of First Successful Submission: 2025-06-06 13:17:53

Piping Echo

Time of First Successful Submission: 2025-06-08 02:32:29

Piping Stdout

Time of First Successful Submission: 2025-06-08 02:35:11

Piping Stdin

Time of First Successful Submission: 2025-06-08 02:42:29

Intro to Cybersecurity

27 / 183 9366 / 20437

Path Traversal 1

Time of First Successful Submission: 2026-04-01 12:19:53

Path Traversal 2

Time of First Successful Submission: 2026-04-01 12:42:46

CMDi 1

Time of First Successful Submission: 2026-04-02 03:33:19

CMDi 2

Time of First Successful Submission: 2026-04-02 03:36:10

CMDi 3

Time of First Successful Submission: 2026-04-02 03:40:52

CMDi 4

Time of First Successful Submission: 2026-04-02 12:15:36

CMDi 5

Time of First Successful Submission: 2026-04-02 12:23:08

CMDi 6

Time of First Successful Submission: 2026-04-02 12:27:48

Authentication Bypass 1

Time of First Successful Submission: 2026-04-02 12:38:51

Authentication Bypass 2

Time of First Successful Submission: 2026-04-02 12:41:39

SQLi 1

Time of First Successful Submission: 2026-04-03 07:22:34

SQLi 2

Time of First Successful Submission: 2026-04-03 07:29:18

SQLi 3

Time of First Successful Submission: 2026-04-03 07:36:51

SQLi 4

Time of First Successful Submission: 2026-04-05 06:13:56

SQLi 5

Time of First Successful Submission: 2026-04-05 06:54:50

XSS 1

Time of First Successful Submission: 2026-04-05 08:17:15

XSS 2

Time of First Successful Submission: 2026-04-05 08:21:16

XSS 3

Time of First Successful Submission: 2026-04-05 08:24:53

XSS 4

Time of First Successful Submission: 2026-04-05 08:28:04

XSS 5

Time of First Successful Submission: 2026-04-05 08:38:30

XSS 6

Time of First Successful Submission: 2026-04-05 08:41:40

XSS 7

Time of First Successful Submission: 2026-04-05 08:54:16

CSRF 1

Time of First Successful Submission: 2026-04-07 11:12:58

CSRF 2

Time of First Successful Submission: 2026-04-07 11:19:51

CSRF 3

Time of First Successful Submission: 2026-04-07 11:26:46

CSRF 4

Time of First Successful Submission: 2026-04-07 11:37:06

CSRF 5

Time of First Successful Submission: 2026-04-07 11:47:24

Start Here

11 / 12 2905 / 44531

Using the Terminal

Time of First Successful Submission: 2025-08-13 08:24:36

Using the VSCode Workspace

Time of First Successful Submission: 2024-08-18 05:30:56

Using the GUI Desktop

Time of First Successful Submission: 2024-08-18 05:33:23

Pasting into the Desktop

Time of First Successful Submission: 2024-08-18 05:35:26

Restarting Challenges

Time of First Successful Submission: 2024-08-18 07:29:43

Challenge Programs

Time of First Successful Submission: 2024-08-18 07:44:41

The Flag File

Time of First Successful Submission: 2024-08-18 07:51:11

Using Privileged Mode

Time of First Successful Submission: 2024-08-18 07:56:25

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-18 08:00:36

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-18 08:02:08

Linux Luminarium

128 / 128 848 / 33338

Intro to Commands

Time of First Successful Submission: 2024-08-18 08:11:33

Intro to Arguments

Time of First Successful Submission: 2024-08-18 08:14:25

Command History

Time of First Successful Submission: 2025-06-06 11:59:14

The Root

Time of First Successful Submission: 2024-08-24 02:56:00

Program and absolute paths

Time of First Successful Submission: 2024-08-24 02:58:28

Position thy self

Time of First Successful Submission: 2024-08-24 03:02:43

Position elsewhere

Time of First Successful Submission: 2024-08-24 03:05:42

implicit relative paths, from /

Time of First Successful Submission: 2024-08-24 03:12:48

explicit relative paths, from /

Time of First Successful Submission: 2024-08-24 03:20:44

implicit relative path

Time of First Successful Submission: 2024-08-24 03:38:26

home sweet home

Time of First Successful Submission: 2024-08-24 03:47:01

cat: not the pet, but the command!

Time of First Successful Submission: 2024-09-01 05:36:58

catting absolute paths

Time of First Successful Submission: 2024-12-20 09:56:51

more catting practice

Time of First Successful Submission: 2024-12-20 09:58:59

grepping for a needle in a haystack

Time of First Successful Submission: 2024-12-20 10:01:06

comparing files

Time of First Successful Submission: 2025-08-13 08:39:40

listing files

Time of First Successful Submission: 2025-06-06 13:01:53

touching files

Time of First Successful Submission: 2025-06-06 13:03:20

removing files

Time of First Successful Submission: 2025-06-06 13:04:19

moving files

Time of First Successful Submission: 2025-06-06 13:05:54

copying files

Time of First Successful Submission: 2025-12-13 09:54:39

hidden files

Time of First Successful Submission: 2025-06-06 13:06:38

An Epic Filesystem Quest

Time of First Successful Submission: 2025-06-06 13:13:23

making directories

Time of First Successful Submission: 2025-06-06 13:15:00

finding files

Time of First Successful Submission: 2025-06-06 13:17:53

linking files

Time of First Successful Submission: 2025-06-06 13:26:26

Learning From Documentation

Time of First Successful Submission: 2025-06-06 13:32:45

Learning Complex Usage

Time of First Successful Submission: 2025-06-06 13:34:32

Reading Manuals

Time of First Successful Submission: 2025-06-06 13:41:45

Searching Manuals

Time of First Successful Submission: 2025-06-06 13:45:05

Searching For Manuals

Time of First Successful Submission: 2025-06-06 13:49:02

Helpful Programs

Time of First Successful Submission: 2025-06-06 14:00:35

Help for Builtins

Time of First Successful Submission: 2025-06-06 14:03:52

Matching with *

Time of First Successful Submission: 2025-06-07 13:29:34

Matching with ?

Time of First Successful Submission: 2025-06-07 13:30:55

Matching with []

Time of First Successful Submission: 2025-06-07 13:32:28

Matching paths with []

Time of First Successful Submission: 2025-06-07 13:36:41

Multiple globs

Time of First Successful Submission: 2025-06-07 13:40:44

Mixing globs

Time of First Successful Submission: 2025-06-07 14:13:44

Exclusionary globbing

Time of First Successful Submission: 2025-06-07 13:55:09

Tab completion

Time of First Successful Submission: 2025-06-08 02:24:56

Multiple options for tab completion

Time of First Successful Submission: 2025-06-08 02:26:37

Tab completion on commands

Time of First Successful Submission: 2025-06-08 02:28:03

Redirecting output

Time of First Successful Submission: 2025-06-08 02:32:29

Redirecting more output

Time of First Successful Submission: 2025-06-08 02:35:11

Appending output

Time of First Successful Submission: 2025-06-08 02:38:04

Redirecting errors

Time of First Successful Submission: 2025-06-08 02:40:52

Redirecting input

Time of First Successful Submission: 2025-06-08 02:42:29

Grepping stored results

Time of First Successful Submission: 2025-06-08 02:43:58

Grepping live output

Time of First Successful Submission: 2025-06-08 02:46:27

Grepping errors

Time of First Successful Submission: 2025-06-08 02:48:25

Filtering with grep -v

Time of First Successful Submission: 2025-06-08 02:54:07

Filtering with sed

Time of First Successful Submission: 2025-12-13 09:58:46

Duplicating piped data with tee

Time of First Successful Submission: 2025-06-08 02:59:15

Process substitution for input

Time of First Successful Submission: 2025-08-13 08:32:33

Writing to multiple programs

Time of First Successful Submission: 2025-06-08 03:17:17

Split-piping stderr and stdout

Time of First Successful Submission: 2025-06-08 03:28:15

Named pipes

Time of First Successful Submission: 2025-08-13 08:46:35

Printing Variables

Time of First Successful Submission: 2025-06-08 07:35:47

Setting Variables

Time of First Successful Submission: 2025-06-08 07:37:58

Multi-word Variables

Time of First Successful Submission: 2025-06-08 07:39:16

Exporting Variables

Time of First Successful Submission: 2025-06-08 07:46:15

Printing Exported Variables

Time of First Successful Submission: 2025-06-08 07:47:11

Storing Command Output

Time of First Successful Submission: 2025-06-08 07:51:46

Reading Input

Time of First Successful Submission: 2025-06-08 07:54:06

Reading Files

Time of First Successful Submission: 2025-06-08 08:00:55

Translating characters

Time of First Successful Submission: 2025-06-08 08:16:16

Deleting characters

Time of First Successful Submission: 2025-06-08 08:18:24

Deleting newlines

Time of First Successful Submission: 2025-06-08 08:21:01

Extracting the first lines with head

Time of First Successful Submission: 2025-06-08 08:23:09

Extracting specific sections of text

Time of First Successful Submission: 2025-06-08 08:26:03

Sorting data

Time of First Successful Submission: 2025-08-13 09:14:14

Listing Processes

Time of First Successful Submission: 2025-06-08 08:40:54

Killing Processes

Time of First Successful Submission: 2025-06-08 08:44:08

Interrupting Processes

Time of First Successful Submission: 2025-06-08 08:45:33

Killing Misbehaving Processes

Time of First Successful Submission: 2025-08-17 08:58:54

Suspending Processes

Time of First Successful Submission: 2025-06-08 08:48:16

Resuming Processes

Time of First Successful Submission: 2025-06-08 08:49:34

Backgrounding Processes

Time of First Successful Submission: 2025-06-08 08:53:29

Foregrounding Processes

Time of First Successful Submission: 2025-06-08 08:55:16

Starting Backgrounded Processes

Time of First Successful Submission: 2025-06-08 08:58:39

Process Exit Codes

Time of First Successful Submission: 2025-06-08 09:00:35

Becoming root with su

Time of First Successful Submission: 2025-06-10 12:47:36

Other users with su

Time of First Successful Submission: 2025-06-10 12:48:17

Cracking passwords

Time of First Successful Submission: 2025-06-10 12:54:30

Using sudo

Time of First Successful Submission: 2025-06-10 12:59:38

Changing File Ownership

Time of First Successful Submission: 2025-06-08 09:06:19

Groups and Files

Time of First Successful Submission: 2025-06-08 09:17:16

Fun With Groups Names

Time of First Successful Submission: 2025-06-08 09:18:25

Changing Permissions

Time of First Successful Submission: 2025-06-08 09:25:26

Executable Files

Time of First Successful Submission: 2025-06-08 09:27:02

Permission Tweaking Practice

Time of First Successful Submission: 2025-06-08 09:31:56

Permissions Setting Practice

Time of First Successful Submission: 2025-06-08 09:39:00

The SUID Bit

Time of First Successful Submission: 2025-06-08 09:45:29

Chaining with Semicolons

Time of First Successful Submission: 2025-06-10 14:40:35

Building on Success

Time of First Successful Submission: 2025-08-13 09:17:00

Handling Failure

Time of First Successful Submission: 2025-08-13 09:22:39

Your First Shell Script

Time of First Successful Submission: 2025-06-11 12:19:08

Redirecting Script Output

Time of First Successful Submission: 2025-06-11 12:44:01

Executable Shell Scripts

Time of First Successful Submission: 2025-06-11 12:45:37

Understanding Shebangs

Time of First Successful Submission: 2025-08-13 12:27:01

Scripting with Arguments

Time of First Successful Submission: 2025-08-13 12:29:09

Scripting with Conditionals

Time of First Successful Submission: 2025-08-17 08:45:29

Scripting with Default Cases

Time of First Successful Submission: 2025-08-17 08:47:55

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-08-17 08:50:10

Reading Shell Scripts

Time of First Successful Submission: 2025-09-30 07:00:26

Launching Screen

Time of First Successful Submission: 2025-08-17 09:01:32

Detaching and Attaching

Time of First Successful Submission: 2025-08-17 09:06:29

Finding Sessions

Time of First Successful Submission: 2025-08-17 09:10:10

Switching Windows

Time of First Successful Submission: 2025-08-17 09:14:17

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-08-17 09:16:42

Switching Windows (tmux)

Time of First Successful Submission: 2025-08-17 09:18:07

The PATH Variable

Time of First Successful Submission: 2025-06-11 12:58:45

Setting PATH

Time of First Successful Submission: 2025-06-11 13:02:50

Finding Commands

Time of First Successful Submission: 2025-06-11 13:23:18

Adding Commands

Time of First Successful Submission: 2025-06-16 09:29:28

Hijacking Commands

Time of First Successful Submission: 2025-06-16 12:06:26

Bashrc Backdoor

Time of First Successful Submission: 2025-06-16 12:44:29

Sniffing Input

Time of First Successful Submission: 2025-06-16 12:57:49

Overshared Directories

Time of First Successful Submission: 2025-06-16 13:13:10

Tricky Linking

Time of First Successful Submission: 2025-06-21 08:46:01

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-22 03:44:49

Snooping on Configurations

Time of First Successful Submission: 2025-07-06 09:19:12

The Fork Bomb

Time of First Successful Submission: 2025-07-13 08:24:47

Disk-Space Doomsday

Time of First Successful Submission: 2025-07-13 08:30:34

rm -rf /

Time of First Successful Submission: 2025-07-13 08:34:28

Life after rm -rf /

Time of First Successful Submission: 2025-07-13 08:40:53

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-07-13 08:46:36

Computing 101

94 / 94 120 / 22064

Your First Register

Time of First Successful Submission: 2025-07-17 13:02:01

Your First Syscall

Time of First Successful Submission: 2025-07-17 13:05:53

Exit Codes

Time of First Successful Submission: 2025-07-17 13:08:27

Building Executables

Time of First Successful Submission: 2025-07-17 13:15:21

Moving Between Registers

Time of First Successful Submission: 2025-07-17 13:20:30

Loading From Memory

Time of First Successful Submission: 2025-07-24 11:42:09

More Loading Practice

Time of First Successful Submission: 2025-07-24 11:43:15

Dereferencing Pointers

Time of First Successful Submission: 2025-07-24 11:48:38

Dereferencing Yourself

Time of First Successful Submission: 2025-07-24 11:51:27

Dereferencing with Offsets

Time of First Successful Submission: 2025-08-17 09:48:01

Stored Addresses

Time of First Successful Submission: 2025-08-17 09:52:55

Double Dereference

Time of First Successful Submission: 2025-08-17 09:57:12

The Stack

Time of First Successful Submission: 2026-02-26 04:01:43

Stack Offsets

Time of First Successful Submission: 2026-02-26 04:18:08

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-26 06:57:58

Popping From the Stack

Time of First Successful Submission: 2026-02-26 07:02:28

Disassembling Programs

Time of First Successful Submission: 2026-02-26 07:15:45

Tracing Syscalls

Time of First Successful Submission: 2025-07-17 13:27:23

Starting GDB

Time of First Successful Submission: 2025-07-17 13:28:52

Quitting GDB

Time of First Successful Submission: 2026-02-26 07:19:30

Starting Programs in GDB

Time of First Successful Submission: 2025-07-17 13:29:51

Disassembling in GDB

Time of First Successful Submission: 2026-02-26 07:23:21

Stepping Through Instructions

Time of First Successful Submission: 2026-02-26 07:24:51

Reading Register Values

Time of First Successful Submission: 2026-02-26 07:26:02

Popping Stack Values

Time of First Successful Submission: 2026-02-26 07:27:50

Examining Memory

Time of First Successful Submission: 2026-02-26 07:31:22

Examining Stack Pointers

Time of First Successful Submission: 2026-02-26 07:34:30

Cooperative Debugging

Time of First Successful Submission: 2026-02-26 07:38:25

Writing Output

Time of First Successful Submission: 2025-08-17 14:10:31

Chaining Syscalls

Time of First Successful Submission: 2025-08-17 14:12:59

Writing Strings

Time of First Successful Submission: 2025-08-17 14:14:01

Reading Data

Time of First Successful Submission: 2025-08-17 14:30:18

Opening Files

Time of First Successful Submission: 2026-02-26 08:33:44

Hardcoding the Filename

Time of First Successful Submission: 2026-02-26 08:39:35

Comparing Values

Time of First Successful Submission: 2026-02-26 11:38:20

Comparing Characters

Time of First Successful Submission: 2026-02-26 11:42:44

Conditional Control Flow

Time of First Successful Submission: 2026-02-26 11:54:02

Comparing Strings

Time of First Successful Submission: 2026-02-26 11:58:43

Reverse the Password

Time of First Successful Submission: 2026-02-26 12:06:19

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-26 12:17:57

Looping

Time of First Successful Submission: 2026-02-26 12:33:10

Reverse the Calculation

Time of First Successful Submission: 2026-02-28 11:58:45

Reverse the Reverse

Time of First Successful Submission: 2026-02-28 12:00:52

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-28 12:03:39

Loops on Data

Time of First Successful Submission: 2026-02-28 12:10:08

set-register

Time of First Successful Submission: 2025-08-18 07:29:22

set-multiple-registers

Time of First Successful Submission: 2025-08-18 07:33:50

add-to-register

Time of First Successful Submission: 2025-08-18 07:39:45

linear-equation-registers

Time of First Successful Submission: 2025-08-18 07:49:32

integer-division

Time of First Successful Submission: 2025-08-18 08:02:58

modulo-operation

Time of First Successful Submission: 2025-08-18 08:04:57

set-upper-byte

Time of First Successful Submission: 2025-08-18 08:17:40

efficient-modulo

Time of First Successful Submission: 2025-08-18 08:29:13

byte-extraction

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

bitwise-and

Time of First Successful Submission: 2025-08-18 08:55:58

check-even

Time of First Successful Submission: 2025-08-19 11:38:11

memory-read

Time of First Successful Submission: 2025-08-22 06:46:47

memory-write

Time of First Successful Submission: 2025-08-21 13:23:10

memory-increment

Time of First Successful Submission: 2025-08-21 13:28:09

byte-access

Time of First Successful Submission: 2025-08-21 13:29:51

memory-size-access

Time of First Successful Submission: 2025-08-21 13:31:06

little-endian-write

Time of First Successful Submission: 2025-08-21 13:38:19

memory-sum

Time of First Successful Submission: 2025-08-21 13:42:50

stack-subtraction

Time of First Successful Submission: 2025-08-21 13:47:07

swap-stack-values

Time of First Successful Submission: 2025-08-21 13:49:13

average-stack-values

Time of First Successful Submission: 2025-08-21 13:54:56

absolute-jump

Time of First Successful Submission: 2025-08-21 14:09:40

relative-jump

Time of First Successful Submission: 2025-08-22 06:55:20

jump-trampoline

Time of First Successful Submission: 2025-08-22 06:57:40

conditional-jump

Time of First Successful Submission: 2025-08-22 07:15:53

indirect-jump

Time of First Successful Submission: 2025-08-22 07:42:18

average-loop

Time of First Successful Submission: 2025-08-22 07:53:34

count-non-zero

Time of First Successful Submission: 2025-08-22 08:09:38

string-lower

Time of First Successful Submission: 2025-08-22 09:31:57

most-common-byte

Time of First Successful Submission: 2025-09-30 01:42:00

Exit

Time of First Successful Submission: 2025-10-04 08:56:26

Socket

Time of First Successful Submission: 2025-10-04 11:59:49

Bind

Time of First Successful Submission: 2025-10-04 12:23:41

Listen

Time of First Successful Submission: 2025-10-04 12:29:05

Accept

Time of First Successful Submission: 2026-01-05 08:46:32

Static Response

Time of First Successful Submission: 2026-01-05 09:14:04

Dynamic Response

Time of First Successful Submission: 2026-01-05 10:00:55

Iterative GET Server

Time of First Successful Submission: 2026-03-01 06:48:53

Concurrent GET Server

Time of First Successful Submission: 2026-03-01 06:56:12

Concurrent POST Server

Time of First Successful Submission: 2026-03-01 09:45:12

Web Server

Time of First Successful Submission: 2026-03-01 09:47:02

Debugging Programs

Time of First Successful Submission: 2025-09-30 08:39:58

Inspecting Registers

Time of First Successful Submission: 2025-09-30 08:41:47

Examining Memory

Time of First Successful Submission: 2025-09-30 09:05:07

Setting Breakpoints

Time of First Successful Submission: 2025-09-30 10:38:24

GDB Scripting

Time of First Successful Submission: 2025-09-30 11:15:18

Modifying Data

Time of First Successful Submission: 2025-10-01 09:07:50

Modifying Execution

Time of First Successful Submission: 2025-10-01 09:12:55

Broken Functions

Time of First Successful Submission: 2025-10-01 09:26:12

Playing With Programs

116 / 116 857 / 23615

What's the password?

Time of First Successful Submission: 2026-03-24 12:54:03

... and again!

Time of First Successful Submission: 2026-03-24 12:54:56

Newline Troubles

Time of First Successful Submission: 2026-03-24 13:08:05

Reasoning about files

Time of First Successful Submission: 2026-03-24 13:05:58

Specifying Filenames

Time of First Successful Submission: 2026-03-24 13:10:57

Binary and Hex Encoding

Time of First Successful Submission: 2026-03-24 13:29:38

More Hex

Time of First Successful Submission: 2026-03-24 13:31:46

Decoding Hex

Time of First Successful Submission: 2026-03-24 13:37:07

Decoding Practice

Time of First Successful Submission: 2026-03-25 01:33:46

Encoding Practice

Time of First Successful Submission: 2026-03-25 14:16:26

Hex-encoding ASCII

Time of First Successful Submission: 2026-03-25 14:27:32

Nested Encoding

Time of First Successful Submission: 2026-03-25 14:40:53

Hex-encoding UTF-8

Time of First Successful Submission: 2026-03-26 14:20:56

UTF Mixups

Time of First Successful Submission: 2026-03-27 13:17:19

Modifying Encoded Data

Time of First Successful Submission: 2026-03-27 13:24:47

Decoding Base64

Time of First Successful Submission: 2026-03-27 13:30:28

Encoding Base64

Time of First Successful Submission: 2026-03-27 13:33:54

Dealing with Obfuscation

Time of First Successful Submission: 2026-03-27 14:07:21

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-03-27 14:15:22

Your First HTTP Request

Time of First Successful Submission: 2026-03-28 13:27:34

Reading Flask

Time of First Successful Submission: 2026-03-28 13:34:02

Commented Data

Time of First Successful Submission: 2026-03-28 13:40:03

HTTP Metadata

Time of First Successful Submission: 2026-03-28 13:43:04

HTTP (netcat)

Time of First Successful Submission: 2026-03-29 11:49:47

HTTP Paths (netcat)

Time of First Successful Submission: 2026-03-29 11:51:15

HTTP (curl)

Time of First Successful Submission: 2026-03-29 11:52:27

HTTP (python)

Time of First Successful Submission: 2026-03-29 11:57:03

HTTP Host Header (python)

Time of First Successful Submission: 2026-03-29 12:01:04

HTTP Host Header (curl)

Time of First Successful Submission: 2026-03-29 12:02:59

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-03-29 12:05:00

URL Encoding (netcat)

Time of First Successful Submission: 2026-03-29 12:10:00

HTTP GET Parameters

Time of First Successful Submission: 2026-03-29 12:12:53

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-03-29 12:15:56

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-03-29 12:17:53

HTTP Forms

Time of First Successful Submission: 2026-03-29 12:36:17

HTTP Forms (curl)

Time of First Successful Submission: 2026-03-29 12:33:56

HTTP Forms (netcat)

Time of First Successful Submission: 2026-03-29 12:42:10

HTTP Forms (python)

Time of First Successful Submission: 2026-03-29 12:45:21

HTTP Forms Without Forms

Time of First Successful Submission: 2026-03-29 13:21:40

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-03-29 13:18:59

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-03-29 13:24:28

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-03-30 06:06:13

HTTP Redirects (curl)

Time of First Successful Submission: 2026-03-30 06:09:00

HTTP Redirects (python)

Time of First Successful Submission: 2026-03-30 06:12:12

HTTP Cookies (curl)

Time of First Successful Submission: 2026-03-30 06:17:28

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-03-30 06:19:49

HTTP Cookies (python)

Time of First Successful Submission: 2026-03-30 06:24:34

Server State (python)

Time of First Successful Submission: 2026-03-30 06:28:15

Listening Web

Time of First Successful Submission: 2026-03-30 06:33:04

Speaking Redirects

Time of First Successful Submission: 2026-03-30 06:45:19

JavaScript Redirects

Time of First Successful Submission: 2026-03-30 06:54:19

Including JavaScript

Time of First Successful Submission: 2026-03-30 07:03:04

HTTP (javascript)

Time of First Successful Submission: 2026-03-30 07:14:08

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-03-30 07:17:41

HTTP Forms (javascript)

Time of First Successful Submission: 2026-03-30 07:25:09

cat

Time of First Successful Submission: 2026-03-30 09:10:46

more

Time of First Successful Submission: 2026-03-30 09:11:38

less

Time of First Successful Submission: 2026-03-30 09:12:22

tail

Time of First Successful Submission: 2026-03-30 09:12:57

head

Time of First Successful Submission: 2026-03-30 09:13:48

sort

Time of First Successful Submission: 2026-03-30 09:14:42

vim

Time of First Successful Submission: 2026-03-30 09:15:47

emacs

Time of First Successful Submission: 2026-03-30 09:16:23

nano

Time of First Successful Submission: 2026-03-30 09:18:32

rev

Time of First Successful Submission: 2026-03-30 09:19:58

od

Time of First Successful Submission: 2026-03-30 09:22:36

hd

Time of First Successful Submission: 2026-03-30 09:32:09

xxd

Time of First Successful Submission: 2026-03-30 09:32:35

base32

Time of First Successful Submission: 2026-03-30 09:33:03

base64

Time of First Successful Submission: 2026-03-30 09:33:48

split

Time of First Successful Submission: 2026-03-30 10:38:47

gzip

Time of First Successful Submission: 2026-03-30 10:41:08

bzip2

Time of First Successful Submission: 2026-03-30 10:41:36

zip

Time of First Successful Submission: 2026-03-30 10:44:08

tar

Time of First Successful Submission: 2026-03-30 10:44:59

ar

Time of First Successful Submission: 2026-03-30 10:48:34

cpio

Time of First Successful Submission: 2026-03-30 10:50:49

genisoimage

Time of First Successful Submission: 2026-03-30 10:53:36

env

Time of First Successful Submission: 2026-03-30 10:56:48

find

Time of First Successful Submission: 2026-03-30 10:58:32

make

Time of First Successful Submission: 2026-03-30 11:00:22

nice

Time of First Successful Submission: 2026-03-30 11:01:18

timeout

Time of First Successful Submission: 2026-03-30 11:02:19

stdbuf

Time of First Successful Submission: 2026-03-30 11:03:14

setarch

Time of First Successful Submission: 2026-03-30 11:05:39

watch

Time of First Successful Submission: 2026-03-30 11:10:14

socat

Time of First Successful Submission: 2026-03-30 11:11:10

whiptail

Time of First Successful Submission: 2026-03-30 11:19:59

awk

Time of First Successful Submission: 2026-03-30 11:22:32

sed

Time of First Successful Submission: 2026-03-30 11:23:14

ed

Time of First Successful Submission: 2026-03-30 11:23:51

chown

Time of First Successful Submission: 2026-03-30 11:25:03

chmod

Time of First Successful Submission: 2026-03-30 11:25:44

cp

Time of First Successful Submission: 2026-03-30 11:26:36

mv

Time of First Successful Submission: 2026-03-30 11:46:41

perl

Time of First Successful Submission: 2026-03-30 11:47:58

python

Time of First Successful Submission: 2026-03-30 11:50:01

ruby

Time of First Successful Submission: 2026-03-30 11:57:25

bash

Time of First Successful Submission: 2026-03-30 11:58:37

date

Time of First Successful Submission: 2026-03-30 12:00:21

dmesg

Time of First Successful Submission: 2026-03-30 12:00:54

wc

Time of First Successful Submission: 2026-03-30 12:01:26

gcc

Time of First Successful Submission: 2026-03-30 12:03:14

as

Time of First Successful Submission: 2026-03-30 12:03:47

wget

Time of First Successful Submission: 2026-03-30 12:12:38

ssh-keygen

Time of First Successful Submission: 2026-03-30 12:25:08

SQL Queries

Time of First Successful Submission: 2026-03-31 09:13:53

Filtering SQL

Time of First Successful Submission: 2026-03-31 09:17:28

Choosing Columns

Time of First Successful Submission: 2026-03-31 09:19:02

Exclusionary Filtering

Time of First Successful Submission: 2026-03-31 09:23:13

Filtering Strings

Time of First Successful Submission: 2026-03-31 09:26:32

Filtering on Expressions

Time of First Successful Submission: 2026-03-31 09:34:16

SELECTing Expressions

Time of First Successful Submission: 2026-03-31 10:01:13

Composite Conditions

Time of First Successful Submission: 2026-03-31 10:10:06

Reaching Your LIMITs

Time of First Successful Submission: 2026-03-31 11:33:25

Querying Metadata

Time of First Successful Submission: 2026-03-31 11:38:06

GCA CTF

11 / 104 3133 / 44812

Using the Terminal

Time of First Successful Submission: 2025-08-13 08:24:36

Using the VSCode Workspace

Time of First Successful Submission: 2024-08-18 05:30:56

Using the GUI Desktop

Time of First Successful Submission: 2024-08-18 05:33:23

Pasting into the Desktop

Time of First Successful Submission: 2024-08-18 05:35:26

Restarting Challenges

Time of First Successful Submission: 2024-08-18 07:29:43

Getting Help

Time of First Successful Submission: 2024-08-18 07:39:08

Challenge Programs

Time of First Successful Submission: 2024-08-18 07:44:41

The Flag File

Time of First Successful Submission: 2024-08-18 07:51:11

Using Privileged Mode

Time of First Successful Submission: 2024-08-18 07:56:25

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-18 08:00:36

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-18 08:02:08