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Triple Dereference

Time of First Successful Submission: 2026-01-14 22:56:42


Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-12 17:18:07

Command Arguments

Time of First Successful Submission: 2026-01-12 17:19:35

Command History

Time of First Successful Submission: 2026-01-12 17:20:01

The Root Path

Time of First Successful Submission: 2026-01-12 19:33:20

Absolute Paths

Time of First Successful Submission: 2026-01-12 19:35:13

Changing position

Time of First Successful Submission: 2026-01-12 19:41:33

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-12 19:44:33

Relative Paths

Time of First Successful Submission: 2026-01-12 19:49:07

Cat

Time of First Successful Submission: 2026-01-12 20:15:26

Ls

Time of First Successful Submission: 2026-01-12 20:45:48

Ls All

Time of First Successful Submission: 2026-01-12 20:56:55

Find

Time of First Successful Submission: 2026-01-12 21:16:00

Piping Echo

Time of First Successful Submission: 2026-01-13 02:05:51

Piping Stdout

Time of First Successful Submission: 2026-01-13 02:06:28

Piping Stdin

Time of First Successful Submission: 2026-01-13 02:11:05


Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-01-23 01:39:15

Path Traversal 2

Time of First Successful Submission: 2026-01-23 01:48:45

CMDi 1

Time of First Successful Submission: 2026-01-23 01:52:38

CMDi 2

Time of First Successful Submission: 2026-01-23 01:58:45

CMDi 3

Time of First Successful Submission: 2026-01-23 02:01:14

CMDi 4

Time of First Successful Submission: 2026-01-23 02:02:42

CMDi 5

Time of First Successful Submission: 2026-01-23 02:07:10

CMDi 6

Time of First Successful Submission: 2026-01-23 02:45:58

Authentication Bypass 1

Time of First Successful Submission: 2026-01-23 17:07:19

Authentication Bypass 2

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

SQLi 1

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

SQLi 2

Time of First Successful Submission: 2026-01-23 17:38:31

SQLi 3

Time of First Successful Submission: 2026-01-23 18:04:06

SQLi 4

Time of First Successful Submission: 2026-01-23 18:07:52

SQLi 5

Time of First Successful Submission: 2026-01-23 19:43:00

XSS 1

Time of First Successful Submission: 2026-01-24 20:48:16

XSS 2

Time of First Successful Submission: 2026-01-24 21:01:23

XSS 3

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

XSS 4

Time of First Successful Submission: 2026-01-24 21:21:12

XSS 5

Time of First Successful Submission: 2026-01-24 21:35:09

XSS 6

Time of First Successful Submission: 2026-01-24 21:40:34

XSS 7

Time of First Successful Submission: 2026-01-24 22:52:33


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-01-12 16:47:26

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-12 16:49:17

Using the GUI Desktop

Time of First Successful Submission: 2026-01-12 16:51:02

Pasting into the Desktop

Time of First Successful Submission: 2026-01-12 16:52:23

Restarting Challenges

Time of First Successful Submission: 2026-01-12 17:03:53

Challenge Programs

Time of First Successful Submission: 2026-01-12 17:07:38

The Flag File

Time of First Successful Submission: 2026-01-12 17:09:28

Using Privileged Mode

Time of First Successful Submission: 2026-01-12 17:13:23

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-12 17:15:52

Persistent Home Directories - Two

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


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-12 17:18:07

Intro to Arguments

Time of First Successful Submission: 2026-01-12 17:19:35

Command History

Time of First Successful Submission: 2026-01-12 17:20:01

The Root

Time of First Successful Submission: 2026-01-12 19:33:20

Program and absolute paths

Time of First Successful Submission: 2026-01-12 19:35:13

Position thy self

Time of First Successful Submission: 2026-01-12 19:41:33

Position elsewhere

Time of First Successful Submission: 2026-01-12 19:44:33

implicit relative paths, from /

Time of First Successful Submission: 2026-01-12 19:49:07

explicit relative paths, from /

Time of First Successful Submission: 2026-01-12 19:51:24

implicit relative path

Time of First Successful Submission: 2026-01-12 19:52:47

home sweet home

Time of First Successful Submission: 2026-01-12 19:58:16

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-12 20:15:26

catting absolute paths

Time of First Successful Submission: 2026-01-12 20:18:30

more catting practice

Time of First Successful Submission: 2026-01-12 20:19:14

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-12 20:23:14

comparing files

Time of First Successful Submission: 2026-01-12 20:42:55

listing files

Time of First Successful Submission: 2026-01-12 20:45:48

touching files

Time of First Successful Submission: 2026-01-12 20:48:50

removing files

Time of First Successful Submission: 2026-01-12 20:52:43

moving files

Time of First Successful Submission: 2026-01-12 20:55:40

copying files

Time of First Successful Submission: 2026-01-12 20:56:06

hidden files

Time of First Successful Submission: 2026-01-12 20:56:55

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-12 21:03:17

making directories

Time of First Successful Submission: 2026-01-12 21:04:09

finding files

Time of First Successful Submission: 2026-01-12 21:16:00

linking files

Time of First Successful Submission: 2026-01-12 22:32:18

Learning From Documentation

Time of First Successful Submission: 2026-01-13 00:57:48

Learning Complex Usage

Time of First Successful Submission: 2026-01-13 00:59:56

Reading Manuals

Time of First Successful Submission: 2026-01-13 01:03:37

Searching Manuals

Time of First Successful Submission: 2026-01-13 01:04:35

Searching For Manuals

Time of First Successful Submission: 2026-01-13 01:37:12

Helpful Programs

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

Help for Builtins

Time of First Successful Submission: 2026-01-13 01:41:09

Matching with *

Time of First Successful Submission: 2026-01-13 01:44:20

Matching with ?

Time of First Successful Submission: 2026-01-13 01:45:12

Matching with []

Time of First Successful Submission: 2026-01-13 01:47:04

Matching paths with []

Time of First Successful Submission: 2026-01-13 01:48:34

Multiple globs

Time of First Successful Submission: 2026-01-13 01:50:11

Mixing globs

Time of First Successful Submission: 2026-01-13 01:52:27

Exclusionary globbing

Time of First Successful Submission: 2026-01-13 01:54:15

Tab completion

Time of First Successful Submission: 2026-01-13 01:56:34

Multiple options for tab completion

Time of First Successful Submission: 2026-01-13 02:03:52

Tab completion on commands

Time of First Successful Submission: 2026-01-13 02:04:27

Redirecting output

Time of First Successful Submission: 2026-01-13 02:05:51

Redirecting more output

Time of First Successful Submission: 2026-01-13 02:06:28

Appending output

Time of First Successful Submission: 2026-01-13 02:07:55

Redirecting errors

Time of First Successful Submission: 2026-01-13 02:09:55

Redirecting input

Time of First Successful Submission: 2026-01-13 02:11:05

Grepping stored results

Time of First Successful Submission: 2026-01-13 02:12:23

Grepping live output

Time of First Successful Submission: 2026-01-13 02:13:08

Grepping errors

Time of First Successful Submission: 2026-01-13 02:14:38

Filtering with grep -v

Time of First Successful Submission: 2026-01-13 02:16:08

Filtering with sed

Time of First Successful Submission: 2026-01-13 02:17:50

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-13 02:23:25

Process substitution for input

Time of First Successful Submission: 2026-01-13 02:27:25

Writing to multiple programs

Time of First Successful Submission: 2026-01-13 02:33:20

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-13 03:02:56

Named pipes

Time of First Successful Submission: 2026-01-13 15:32:19

Printing Variables

Time of First Successful Submission: 2026-01-13 15:33:39

Setting Variables

Time of First Successful Submission: 2026-01-13 15:34:56

Multi-word Variables

Time of First Successful Submission: 2026-01-13 15:36:26

Exporting Variables

Time of First Successful Submission: 2026-01-13 15:38:48

Printing Exported Variables

Time of First Successful Submission: 2026-01-13 15:40:28

Storing Command Output

Time of First Successful Submission: 2026-01-13 15:49:05

Reading Input

Time of First Successful Submission: 2026-01-13 15:55:16

Reading Files

Time of First Successful Submission: 2026-01-13 15:58:47

Translating characters

Time of First Successful Submission: 2026-01-13 16:03:55

Deleting characters

Time of First Successful Submission: 2026-01-13 16:06:17

Deleting newlines

Time of First Successful Submission: 2026-01-13 16:08:59

Extracting the first lines with head

Time of First Successful Submission: 2026-01-13 16:12:51

Extracting specific sections of text

Time of First Successful Submission: 2026-01-13 16:16:08

Sorting data

Time of First Successful Submission: 2026-01-13 16:19:01

Listing Processes

Time of First Successful Submission: 2026-01-13 16:39:29

Killing Processes

Time of First Successful Submission: 2026-01-13 16:44:04

Interrupting Processes

Time of First Successful Submission: 2026-01-13 16:44:41

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-13 16:49:42

Suspending Processes

Time of First Successful Submission: 2026-01-13 16:50:58

Resuming Processes

Time of First Successful Submission: 2026-01-13 16:52:49

Backgrounding Processes

Time of First Successful Submission: 2026-01-13 17:04:50

Foregrounding Processes

Time of First Successful Submission: 2026-01-14 20:12:26

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-13 17:17:38

Process Exit Codes

Time of First Successful Submission: 2026-01-13 17:19:13

Becoming root with su

Time of First Successful Submission: 2026-01-13 17:30:30

Other users with su

Time of First Successful Submission: 2026-01-13 17:32:43

Cracking passwords

Time of First Successful Submission: 2026-01-13 17:41:08

Using sudo

Time of First Successful Submission: 2026-01-13 17:45:08

Changing File Ownership

Time of First Successful Submission: 2026-01-13 18:20:03

Groups and Files

Time of First Successful Submission: 2026-01-13 18:29:40

Fun With Groups Names

Time of First Successful Submission: 2026-01-13 18:31:23

Changing Permissions

Time of First Successful Submission: 2026-01-13 18:37:38

Executable Files

Time of First Successful Submission: 2026-01-13 18:39:37

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-13 18:47:08

Permissions Setting Practice

Time of First Successful Submission: 2026-01-13 18:52:52

The SUID Bit

Time of First Successful Submission: 2026-01-13 20:40:13

Chaining with Semicolons

Time of First Successful Submission: 2026-01-13 20:43:53

Building on Success

Time of First Successful Submission: 2026-01-13 20:46:01

Handling Failure

Time of First Successful Submission: 2026-01-13 20:48:25

Your First Shell Script

Time of First Successful Submission: 2026-01-13 20:50:28

Redirecting Script Output

Time of First Successful Submission: 2026-01-13 23:22:18

Executable Shell Scripts

Time of First Successful Submission: 2026-01-13 23:24:47

Understanding Shebangs

Time of First Successful Submission: 2026-01-13 23:28:37

Scripting with Arguments

Time of First Successful Submission: 2026-01-13 23:30:27

Scripting with Conditionals

Time of First Successful Submission: 2026-01-13 23:32:40

Scripting with Default Cases

Time of First Successful Submission: 2026-01-13 23:36:38

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-13 23:39:03

Reading Shell Scripts

Time of First Successful Submission: 2026-01-13 23:41:03

Launching Screen

Time of First Successful Submission: 2026-01-13 23:43:08

Detaching and Attaching

Time of First Successful Submission: 2026-01-13 23:45:04

Finding Sessions

Time of First Successful Submission: 2026-01-14 00:33:38

Switching Windows

Time of First Successful Submission: 2026-01-14 00:35:32

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-14 00:37:26

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-14 00:39:34

The PATH Variable

Time of First Successful Submission: 2026-01-14 16:46:15

Setting PATH

Time of First Successful Submission: 2026-01-14 16:48:20

Finding Commands

Time of First Successful Submission: 2026-01-14 16:49:46

Adding Commands

Time of First Successful Submission: 2026-01-14 16:57:14

Hijacking Commands

Time of First Successful Submission: 2026-01-14 18:52:50

Bashrc Backdoor

Time of First Successful Submission: 2026-01-14 18:59:52

Sniffing Input

Time of First Successful Submission: 2026-01-14 19:08:12

Overshared Directories

Time of First Successful Submission: 2026-01-14 19:14:56

Tricky Linking

Time of First Successful Submission: 2026-01-14 19:20:42

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-14 19:27:23

Snooping on Configurations

Time of First Successful Submission: 2026-01-14 19:30:07

The Fork Bomb

Time of First Successful Submission: 2026-01-14 19:44:28

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-14 19:48:42

rm -rf /

Time of First Successful Submission: 2026-01-14 19:53:42

Life after rm -rf /

Time of First Successful Submission: 2026-01-14 20:01:04

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-14 20:04:50


Computing 101

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Your First Register

Time of First Successful Submission: 2026-01-14 21:56:27

Your First Syscall

Time of First Successful Submission: 2026-01-14 21:59:19

Exit Codes

Time of First Successful Submission: 2026-01-14 22:02:28

Building Executables

Time of First Successful Submission: 2026-01-14 22:11:42

Moving Between Registers

Time of First Successful Submission: 2026-01-14 22:14:55

Loading From Memory

Time of First Successful Submission: 2026-01-14 22:41:02

More Loading Practice

Time of First Successful Submission: 2026-01-14 22:41:36

Dereferencing Pointers

Time of First Successful Submission: 2026-01-14 22:44:35

Dereferencing Yourself

Time of First Successful Submission: 2026-01-14 22:47:48

Dereferencing with Offsets

Time of First Successful Submission: 2026-01-14 22:49:44

Stored Addresses

Time of First Successful Submission: 2026-01-14 22:53:37

Double Dereference

Time of First Successful Submission: 2026-01-14 22:55:26

Tracing Syscalls

Time of First Successful Submission: 2026-01-14 22:20:35

Starting GDB

Time of First Successful Submission: 2026-01-14 22:22:02

Starting Programs in GDB

Time of First Successful Submission: 2026-01-14 22:24:01

Writing Output

Time of First Successful Submission: 2026-01-14 23:14:36

Chaining Syscalls

Time of First Successful Submission: 2026-01-14 23:15:52

Writing Strings

Time of First Successful Submission: 2026-01-14 23:16:35

Reading Data

Time of First Successful Submission: 2026-01-14 23:20:03

set-register

Time of First Successful Submission: 2026-01-14 23:34:30

set-multiple-registers

Time of First Successful Submission: 2026-01-14 23:36:26

add-to-register

Time of First Successful Submission: 2026-01-14 23:38:35

linear-equation-registers

Time of First Successful Submission: 2026-01-14 23:43:27

integer-division

Time of First Successful Submission: 2026-01-14 23:47:01

modulo-operation

Time of First Successful Submission: 2026-01-14 23:48:54

set-upper-byte

Time of First Successful Submission: 2026-01-14 23:52:53

efficient-modulo

Time of First Successful Submission: 2026-01-14 23:59:01

byte-extraction

Time of First Successful Submission: 2026-01-15 00:05:32

bitwise-and

Time of First Successful Submission: 2026-01-15 00:08:24

check-even

Time of First Successful Submission: 2026-01-15 00:15:02

memory-read

Time of First Successful Submission: 2026-01-15 14:19:17

memory-write

Time of First Successful Submission: 2026-01-15 14:20:16

memory-increment

Time of First Successful Submission: 2026-01-15 14:23:25

byte-access

Time of First Successful Submission: 2026-01-15 14:27:28

memory-size-access

Time of First Successful Submission: 2026-01-15 14:29:54

little-endian-write

Time of First Successful Submission: 2026-01-15 14:39:32

memory-sum

Time of First Successful Submission: 2026-01-15 14:45:51

stack-subtraction

Time of First Successful Submission: 2026-01-15 14:49:19

swap-stack-values

Time of First Successful Submission: 2026-01-15 14:51:23

average-stack-values

Time of First Successful Submission: 2026-01-15 14:57:25

absolute-jump

Time of First Successful Submission: 2026-01-15 15:03:53

relative-jump

Time of First Successful Submission: 2026-01-15 15:27:30

jump-trampoline

Time of First Successful Submission: 2026-01-15 15:29:22

conditional-jump

Time of First Successful Submission: 2026-01-15 15:55:31

indirect-jump

Time of First Successful Submission: 2026-01-15 19:15:04

average-loop

Time of First Successful Submission: 2026-01-15 19:25:15

count-non-zero

Time of First Successful Submission: 2026-01-15 19:32:16

string-lower

Time of First Successful Submission: 2026-01-15 20:43:26

most-common-byte

Time of First Successful Submission: 2026-01-15 22:55:52

Exit

Time of First Successful Submission: 2026-01-18 16:21:20

Socket

Time of First Successful Submission: 2026-01-18 16:37:54

Bind

Time of First Successful Submission: 2026-01-18 17:22:00

Listen

Time of First Successful Submission: 2026-01-18 21:14:07

Accept

Time of First Successful Submission: 2026-01-18 21:58:39

Static Response

Time of First Successful Submission: 2026-01-18 22:32:52

Dynamic Response

Time of First Successful Submission: 2026-01-18 23:36:46

Iterative GET Server

Time of First Successful Submission: 2026-01-19 16:41:46

Concurrent GET Server

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

Concurrent POST Server

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

Web Server

Time of First Successful Submission: 2026-01-20 20:35:33

Debugging Programs

Time of First Successful Submission: 2026-01-15 23:04:42

Inspecting Registers

Time of First Successful Submission: 2026-01-15 23:08:22

Examining Memory

Time of First Successful Submission: 2026-01-15 23:20:04

Setting Breakpoints

Time of First Successful Submission: 2026-01-17 22:41:27

GDB Scripting

Time of First Successful Submission: 2026-01-17 23:27:16

Modifying Data

Time of First Successful Submission: 2026-01-18 00:52:29

Modifying Execution

Time of First Successful Submission: 2026-01-18 00:58:12

Broken Functions

Time of First Successful Submission: 2026-01-18 01:19:28


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-01-20 21:12:49

... and again!

Time of First Successful Submission: 2026-01-20 21:13:10

Newline Troubles

Time of First Successful Submission: 2026-01-20 21:15:18

Reasoning about files

Time of First Successful Submission: 2026-01-20 21:20:11

Specifying Filenames

Time of First Successful Submission: 2026-01-20 21:21:10

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-20 21:30:22

More Hex

Time of First Successful Submission: 2026-01-20 21:31:31

Decoding Hex

Time of First Successful Submission: 2026-01-20 21:35:52

Decoding Practice

Time of First Successful Submission: 2026-01-20 21:37:25

Encoding Practice

Time of First Successful Submission: 2026-01-20 21:50:18

Hex-encoding ASCII

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

Nested Encoding

Time of First Successful Submission: 2026-01-20 22:04:12

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-20 22:09:24

UTF Mixups

Time of First Successful Submission: 2026-01-20 22:14:23

Modifying Encoded Data

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

Decoding Base64

Time of First Successful Submission: 2026-01-20 22:30:05

Encoding Base64

Time of First Successful Submission: 2026-01-20 22:31:37

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-20 22:34:40

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-20 22:39:19

Your First HTTP Request

Time of First Successful Submission: 2026-01-20 23:16:04

Reading Flask

Time of First Successful Submission: 2026-01-20 23:21:25

Commented Data

Time of First Successful Submission: 2026-01-20 23:23:41

HTTP Metadata

Time of First Successful Submission: 2026-01-20 23:26:21

HTTP (netcat)

Time of First Successful Submission: 2026-01-20 23:36:51

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-20 23:41:29

HTTP (curl)

Time of First Successful Submission: 2026-01-20 23:45:35

HTTP (python)

Time of First Successful Submission: 2026-01-20 23:48:32

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-21 00:01:30

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-21 00:02:38

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-21 00:07:59

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-21 00:24:03

HTTP GET Parameters

Time of First Successful Submission: 2026-01-21 00:26:28

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-21 00:29:56

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-21 00:31:31

HTTP Forms

Time of First Successful Submission: 2026-01-21 00:35:13

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-21 00:38:13

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-21 00:55:25

HTTP Forms (python)

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

HTTP Forms Without Forms

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

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-21 16:15:30

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-21 16:20:38

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-21 16:24:40

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-21 16:25:49

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-21 16:27:52

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-21 16:42:31

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-21 16:45:52

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-21 16:47:56

Server State (python)

Time of First Successful Submission: 2026-01-21 16:49:55

Listening Web

Time of First Successful Submission: 2026-01-21 16:53:12

Speaking Redirects

Time of First Successful Submission: 2026-01-21 17:10:44

JavaScript Redirects

Time of First Successful Submission: 2026-01-21 17:25:06

Including JavaScript

Time of First Successful Submission: 2026-01-21 17:58:57

HTTP (javascript)

Time of First Successful Submission: 2026-01-21 22:55:44

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-21 22:58:26

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-21 23:17:55

cat

Time of First Successful Submission: 2026-01-21 23:28:41

more

Time of First Successful Submission: 2026-01-21 23:29:09

less

Time of First Successful Submission: 2026-01-21 23:30:28

tail

Time of First Successful Submission: 2026-01-21 23:30:47

head

Time of First Successful Submission: 2026-01-21 23:31:05

sort

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

vim

Time of First Successful Submission: 2026-01-21 23:39:13

emacs

Time of First Successful Submission: 2026-01-21 23:39:56

nano

Time of First Successful Submission: 2026-01-21 23:40:16

rev

Time of First Successful Submission: 2026-01-21 23:41:18

od

Time of First Successful Submission: 2026-01-21 23:58:23

hd

Time of First Successful Submission: 2026-01-22 00:07:06

xxd

Time of First Successful Submission: 2026-01-22 00:15:23

base32

Time of First Successful Submission: 2026-01-22 00:18:50

base64

Time of First Successful Submission: 2026-01-22 00:19:12

split

Time of First Successful Submission: 2026-01-22 00:22:07

gzip

Time of First Successful Submission: 2026-01-22 00:24:56

bzip2

Time of First Successful Submission: 2026-01-22 00:25:34

zip

Time of First Successful Submission: 2026-01-22 00:36:42

tar

Time of First Successful Submission: 2026-01-22 00:44:47

ar

Time of First Successful Submission: 2026-01-22 00:55:17

cpio

Time of First Successful Submission: 2026-01-22 16:48:58

genisoimage

Time of First Successful Submission: 2026-01-22 18:12:10

env

Time of First Successful Submission: 2026-01-22 18:15:08

find

Time of First Successful Submission: 2026-01-22 18:18:55

make

Time of First Successful Submission: 2026-01-22 18:23:58

nice

Time of First Successful Submission: 2026-01-22 18:26:45

timeout

Time of First Successful Submission: 2026-01-22 18:27:37

stdbuf

Time of First Successful Submission: 2026-01-22 18:28:46

setarch

Time of First Successful Submission: 2026-01-22 18:31:02

watch

Time of First Successful Submission: 2026-01-22 18:32:20

socat

Time of First Successful Submission: 2026-01-22 19:04:40

whiptail

Time of First Successful Submission: 2026-01-22 19:11:17

awk

Time of First Successful Submission: 2026-01-22 19:13:42

sed

Time of First Successful Submission: 2026-01-22 19:16:31

ed

Time of First Successful Submission: 2026-01-22 19:18:27

chown

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

chmod

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

cp

Time of First Successful Submission: 2026-01-22 19:20:17

mv

Time of First Successful Submission: 2026-01-22 19:27:31

perl

Time of First Successful Submission: 2026-01-22 19:34:10

python

Time of First Successful Submission: 2026-01-22 19:35:11

ruby

Time of First Successful Submission: 2026-01-22 19:36:51

bash

Time of First Successful Submission: 2026-01-22 20:06:49

date

Time of First Successful Submission: 2026-01-22 20:07:49

dmesg

Time of First Successful Submission: 2026-01-22 20:08:51

wc

Time of First Successful Submission: 2026-01-22 21:05:14

gcc

Time of First Successful Submission: 2026-01-22 22:38:42

as

Time of First Successful Submission: 2026-01-22 22:39:02

wget

Time of First Successful Submission: 2026-01-22 22:57:25

ssh-keygen

Time of First Successful Submission: 2026-01-23 00:11:42

SQL Queries

Time of First Successful Submission: 2026-01-23 00:18:28

Filtering SQL

Time of First Successful Submission: 2026-01-23 00:21:19

Choosing Columns

Time of First Successful Submission: 2026-01-23 00:23:27

Exclusionary Filtering

Time of First Successful Submission: 2026-01-23 00:25:30

Filtering Strings

Time of First Successful Submission: 2026-01-23 00:27:00

Filtering on Expressions

Time of First Successful Submission: 2026-01-23 00:30:46

SELECTing Expressions

Time of First Successful Submission: 2026-01-23 00:47:00

Composite Conditions

Time of First Successful Submission: 2026-01-23 00:49:23

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-23 00:52:08

Querying Metadata

Time of First Successful Submission: 2026-01-23 00:57:35


GCA CTF

11 / 104 7842 / 43578


Using the Terminal

Time of First Successful Submission: 2026-01-12 16:47:26

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-12 16:49:17

Using the GUI Desktop

Time of First Successful Submission: 2026-01-12 16:51:02

Pasting into the Desktop

Time of First Successful Submission: 2026-01-12 16:52:23

Connecting over SSH

Time of First Successful Submission: 2026-01-12 17:00:15

Restarting Challenges

Time of First Successful Submission: 2026-01-12 17:03:53

Challenge Programs

Time of First Successful Submission: 2026-01-12 17:07:38

The Flag File

Time of First Successful Submission: 2026-01-12 17:09:28

Using Privileged Mode

Time of First Successful Submission: 2026-01-12 17:13:23

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-12 17:15:52

Persistent Home Directories - Two

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