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2 / 202 15025 / 22757


level1

Time of First Successful Submission: 2026-02-23 15:07:55

Triple Dereference

Time of First Successful Submission: 2025-12-19 14:08:01


Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-12-13 07:26:28

Command Arguments

Time of First Successful Submission: 2025-12-13 07:27:59

Command History

Time of First Successful Submission: 2025-12-13 07:28:55

The Root Path

Time of First Successful Submission: 2025-12-13 07:33:44

Absolute Paths

Time of First Successful Submission: 2025-12-13 07:36:25

Changing position

Time of First Successful Submission: 2025-12-13 07:37:54

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-13 07:42:09

Relative Paths

Time of First Successful Submission: 2025-12-13 11:30:15

Cat

Time of First Successful Submission: 2025-12-13 12:22:13

Ls

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

Ls All

Time of First Successful Submission: 2025-12-13 14:18:21

Find

Time of First Successful Submission: 2025-12-13 14:46:51

Piping Echo

Time of First Successful Submission: 2025-12-15 04:39:04

Piping Stdout

Time of First Successful Submission: 2025-12-15 04:44:12

Piping Stdin

Time of First Successful Submission: 2025-12-15 07:10:20


Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2025-12-18 13:16:17

Path Traversal 2

Time of First Successful Submission: 2025-12-18 14:49:24


Start Here

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Using the Terminal

Time of First Successful Submission: 2025-12-13 06:17:37

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-13 06:20:53

Using the GUI Desktop

Time of First Successful Submission: 2025-12-13 06:31:52

Pasting into the Desktop

Time of First Successful Submission: 2025-12-13 06:41:35

Restarting Challenges

Time of First Successful Submission: 2025-12-13 06:53:11

Challenge Programs

Time of First Successful Submission: 2025-12-13 07:04:51

The Flag File

Time of First Successful Submission: 2025-12-13 07:09:17

Using Privileged Mode

Time of First Successful Submission: 2025-12-13 07:13:31

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-13 07:18:08

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-13 07:19:32


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-12-13 07:26:28

Intro to Arguments

Time of First Successful Submission: 2025-12-13 07:27:59

Command History

Time of First Successful Submission: 2025-12-13 07:28:55

The Root

Time of First Successful Submission: 2025-12-13 07:33:44

Program and absolute paths

Time of First Successful Submission: 2025-12-13 07:36:25

Position thy self

Time of First Successful Submission: 2025-12-13 07:37:54

Position elsewhere

Time of First Successful Submission: 2025-12-13 07:42:09

implicit relative paths, from /

Time of First Successful Submission: 2025-12-13 11:30:15

explicit relative paths, from /

Time of First Successful Submission: 2025-12-13 11:32:53

implicit relative path

Time of First Successful Submission: 2025-12-13 11:34:42

home sweet home

Time of First Successful Submission: 2025-12-13 12:18:07

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-13 12:22:13

catting absolute paths

Time of First Successful Submission: 2025-12-13 12:23:24

more catting practice

Time of First Successful Submission: 2025-12-13 12:26:29

grepping for a needle in a haystack

Time of First Successful Submission: 2025-12-13 12:28:31

comparing files

Time of First Successful Submission: 2025-12-13 12:30:01

listing files

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

touching files

Time of First Successful Submission: 2025-12-13 12:35:17

removing files

Time of First Successful Submission: 2025-12-13 12:36:27

moving files

Time of First Successful Submission: 2025-12-13 14:14:17

copying files

Time of First Successful Submission: 2025-12-13 14:17:21

hidden files

Time of First Successful Submission: 2025-12-13 14:18:21

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-13 14:33:47

making directories

Time of First Successful Submission: 2025-12-13 14:39:59

finding files

Time of First Successful Submission: 2025-12-13 14:46:51

linking files

Time of First Successful Submission: 2025-12-13 15:27:08

Learning From Documentation

Time of First Successful Submission: 2025-12-13 15:34:52

Learning Complex Usage

Time of First Successful Submission: 2025-12-13 15:39:25

Reading Manuals

Time of First Successful Submission: 2025-12-13 15:49:14

Searching Manuals

Time of First Successful Submission: 2025-12-13 15:52:40

Searching For Manuals

Time of First Successful Submission: 2025-12-14 01:11:32

Helpful Programs

Time of First Successful Submission: 2025-12-14 01:13:53

Help for Builtins

Time of First Successful Submission: 2025-12-14 01:27:25

Matching with *

Time of First Successful Submission: 2025-12-14 02:16:19

Matching with ?

Time of First Successful Submission: 2025-12-14 02:23:48

Matching with []

Time of First Successful Submission: 2025-12-14 02:33:24

Matching paths with []

Time of First Successful Submission: 2025-12-14 23:00:58

Multiple globs

Time of First Successful Submission: 2025-12-14 23:07:07

Mixing globs

Time of First Successful Submission: 2025-12-14 23:09:58

Exclusionary globbing

Time of First Successful Submission: 2025-12-15 04:10:44

Tab completion

Time of First Successful Submission: 2025-12-15 04:12:46

Multiple options for tab completion

Time of First Successful Submission: 2025-12-15 04:17:05

Tab completion on commands

Time of First Successful Submission: 2025-12-15 04:18:15

Redirecting output

Time of First Successful Submission: 2025-12-15 04:39:04

Redirecting more output

Time of First Successful Submission: 2025-12-15 04:44:12

Appending output

Time of First Successful Submission: 2025-12-15 04:45:54

Redirecting errors

Time of First Successful Submission: 2025-12-15 07:04:51

Redirecting input

Time of First Successful Submission: 2025-12-15 07:10:20

Grepping stored results

Time of First Successful Submission: 2025-12-15 07:16:21

Grepping live output

Time of First Successful Submission: 2025-12-15 07:12:48

Grepping errors

Time of First Successful Submission: 2025-12-15 07:30:23

Filtering with grep -v

Time of First Successful Submission: 2025-12-15 07:35:07

Filtering with sed

Time of First Successful Submission: 2025-12-15 07:40:22

Duplicating piped data with tee

Time of First Successful Submission: 2025-12-15 10:16:49

Process substitution for input

Time of First Successful Submission: 2025-12-15 12:35:31

Writing to multiple programs

Time of First Successful Submission: 2025-12-15 13:25:02

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-15 13:44:20

Named pipes

Time of First Successful Submission: 2025-12-15 14:15:34

Printing Variables

Time of First Successful Submission: 2025-12-15 14:18:54

Setting Variables

Time of First Successful Submission: 2025-12-15 14:21:06

Multi-word Variables

Time of First Successful Submission: 2025-12-15 14:22:12

Exporting Variables

Time of First Successful Submission: 2025-12-15 14:59:34

Printing Exported Variables

Time of First Successful Submission: 2025-12-15 15:01:37

Storing Command Output

Time of First Successful Submission: 2025-12-15 15:05:16

Reading Input

Time of First Successful Submission: 2025-12-15 15:28:31

Reading Files

Time of First Successful Submission: 2025-12-15 23:10:36

Translating characters

Time of First Successful Submission: 2025-12-15 23:32:45

Deleting characters

Time of First Successful Submission: 2025-12-16 01:38:57

Deleting newlines

Time of First Successful Submission: 2025-12-16 01:40:57

Extracting the first lines with head

Time of First Successful Submission: 2025-12-16 01:43:12

Extracting specific sections of text

Time of First Successful Submission: 2025-12-16 01:48:09

Sorting data

Time of First Successful Submission: 2025-12-16 01:51:40

Listing Processes

Time of First Successful Submission: 2025-12-16 02:32:27

Killing Processes

Time of First Successful Submission: 2025-12-16 02:34:34

Interrupting Processes

Time of First Successful Submission: 2025-12-16 02:35:40

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-16 02:44:25

Suspending Processes

Time of First Successful Submission: 2025-12-16 02:45:23

Resuming Processes

Time of First Successful Submission: 2025-12-16 02:46:17

Backgrounding Processes

Time of First Successful Submission: 2025-12-16 02:56:24

Foregrounding Processes

Time of First Successful Submission: 2025-12-16 02:58:30

Starting Backgrounded Processes

Time of First Successful Submission: 2025-12-16 02:59:28

Process Exit Codes

Time of First Successful Submission: 2025-12-16 03:08:35

Becoming root with su

Time of First Successful Submission: 2025-12-16 03:12:57

Other users with su

Time of First Successful Submission: 2025-12-16 03:14:45

Cracking passwords

Time of First Successful Submission: 2025-12-16 03:23:45

Using sudo

Time of First Successful Submission: 2025-12-16 03:27:44

Changing File Ownership

Time of First Successful Submission: 2025-12-16 03:32:52

Groups and Files

Time of First Successful Submission: 2025-12-16 03:34:57

Fun With Groups Names

Time of First Successful Submission: 2025-12-16 03:37:14

Changing Permissions

Time of First Successful Submission: 2025-12-16 03:42:28

Executable Files

Time of First Successful Submission: 2025-12-16 06:19:18

Permission Tweaking Practice

Time of First Successful Submission: 2025-12-16 07:52:22

Permissions Setting Practice

Time of First Successful Submission: 2025-12-16 10:03:59

The SUID Bit

Time of First Successful Submission: 2025-12-16 10:08:09

Chaining with Semicolons

Time of First Successful Submission: 2025-12-16 10:14:58

Building on Success

Time of First Successful Submission: 2025-12-16 10:17:13

Handling Failure

Time of First Successful Submission: 2025-12-16 10:21:31

Your First Shell Script

Time of First Successful Submission: 2025-12-16 11:22:01

Redirecting Script Output

Time of First Successful Submission: 2025-12-16 12:21:46

Executable Shell Scripts

Time of First Successful Submission: 2025-12-16 12:27:58

Understanding Shebangs

Time of First Successful Submission: 2025-12-16 12:42:43

Scripting with Arguments

Time of First Successful Submission: 2025-12-16 13:09:05

Scripting with Conditionals

Time of First Successful Submission: 2025-12-16 13:22:47

Scripting with Default Cases

Time of First Successful Submission: 2025-12-16 13:26:16

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-16 14:12:40

Reading Shell Scripts

Time of First Successful Submission: 2025-12-16 14:20:31

Launching Screen

Time of First Successful Submission: 2025-12-16 14:22:25

Detaching and Attaching

Time of First Successful Submission: 2025-12-16 14:24:25

Finding Sessions

Time of First Successful Submission: 2025-12-16 14:33:11

Switching Windows

Time of First Successful Submission: 2025-12-16 14:42:51

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-16 15:03:23

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-16 15:11:49

The PATH Variable

Time of First Successful Submission: 2025-12-16 15:21:43

Setting PATH

Time of First Successful Submission: 2025-12-16 15:26:06

Finding Commands

Time of First Successful Submission: 2025-12-16 15:28:19

Adding Commands

Time of First Successful Submission: 2025-12-16 23:16:40

Hijacking Commands

Time of First Successful Submission: 2025-12-17 04:43:18

Bashrc Backdoor

Time of First Successful Submission: 2025-12-17 04:48:01

Sniffing Input

Time of First Successful Submission: 2025-12-17 11:45:47

Overshared Directories

Time of First Successful Submission: 2025-12-17 12:18:27

Tricky Linking

Time of First Successful Submission: 2025-12-17 13:28:08

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-17 13:30:11

Snooping on Configurations

Time of First Successful Submission: 2025-12-17 13:43:26

The Fork Bomb

Time of First Successful Submission: 2025-12-17 14:51:23

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-17 15:04:17

rm -rf /

Time of First Successful Submission: 2025-12-17 22:59:58

Life after rm -rf /

Time of First Successful Submission: 2025-12-17 23:23:48

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-18 00:16:26


Computing 101

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Your First Register

Time of First Successful Submission: 2025-12-18 15:27:43

Your First Syscall

Time of First Successful Submission: 2025-12-18 23:09:16

Exit Codes

Time of First Successful Submission: 2025-12-18 23:11:27

Building Executables

Time of First Successful Submission: 2025-12-19 03:07:25

Moving Between Registers

Time of First Successful Submission: 2025-12-19 11:12:57

Loading From Memory

Time of First Successful Submission: 2025-12-19 12:43:49

More Loading Practice

Time of First Successful Submission: 2025-12-19 12:45:24

Dereferencing Pointers

Time of First Successful Submission: 2025-12-19 13:14:06

Dereferencing Yourself

Time of First Successful Submission: 2025-12-19 13:52:27

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-19 13:57:19

Stored Addresses

Time of First Successful Submission: 2025-12-19 14:01:45

Double Dereference

Time of First Successful Submission: 2025-12-19 14:05:22

Tracing Syscalls

Time of First Successful Submission: 2025-12-19 11:24:55

Starting GDB

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

Starting Programs in GDB

Time of First Successful Submission: 2025-12-19 11:36:52

Writing Output

Time of First Successful Submission: 2025-12-19 15:04:28

Chaining Syscalls

Time of First Successful Submission: 2025-12-20 01:04:35

Writing Strings

Time of First Successful Submission: 2025-12-20 01:22:08

Reading Data

Time of First Successful Submission: 2025-12-20 02:03:49

set-register

Time of First Successful Submission: 2025-12-20 05:17:26

set-multiple-registers

Time of First Successful Submission: 2025-12-20 05:33:47

add-to-register

Time of First Successful Submission: 2025-12-20 05:47:36

linear-equation-registers

Time of First Successful Submission: 2025-12-20 08:53:54

integer-division

Time of First Successful Submission: 2025-12-20 11:12:57

modulo-operation

Time of First Successful Submission: 2025-12-20 12:01:34

set-upper-byte

Time of First Successful Submission: 2025-12-22 02:51:41

efficient-modulo

Time of First Successful Submission: 2025-12-24 14:36:24

byte-extraction

Time of First Successful Submission: 2025-12-25 13:47:33

bitwise-and

Time of First Successful Submission: 2025-12-26 11:54:32

check-even

Time of First Successful Submission: 2025-12-27 01:45:44

memory-read

Time of First Successful Submission: 2025-12-27 03:33:24

memory-write

Time of First Successful Submission: 2025-12-27 06:08:12

memory-increment

Time of First Successful Submission: 2025-12-27 10:29:28

byte-access

Time of First Successful Submission: 2025-12-27 11:36:13

memory-size-access

Time of First Successful Submission: 2025-12-27 12:08:10

little-endian-write

Time of First Successful Submission: 2025-12-27 12:32:38

memory-sum

Time of First Successful Submission: 2025-12-27 13:03:11

stack-subtraction

Time of First Successful Submission: 2025-12-27 15:10:43

swap-stack-values

Time of First Successful Submission: 2025-12-27 15:41:09

average-stack-values

Time of First Successful Submission: 2025-12-28 01:09:03

absolute-jump

Time of First Successful Submission: 2025-12-28 01:31:32

relative-jump

Time of First Successful Submission: 2025-12-28 02:13:15

jump-trampoline

Time of First Successful Submission: 2025-12-28 02:32:24

conditional-jump

Time of First Successful Submission: 2025-12-28 08:56:27

indirect-jump

Time of First Successful Submission: 2025-12-28 11:55:40

average-loop

Time of First Successful Submission: 2025-12-29 04:53:07

count-non-zero

Time of First Successful Submission: 2025-12-29 13:07:59

string-lower

Time of First Successful Submission: 2025-12-30 14:27:07

most-common-byte

Time of First Successful Submission: 2026-01-04 13:49:34

Exit

Time of First Successful Submission: 2026-01-10 02:52:05

Socket

Time of First Successful Submission: 2026-01-10 04:41:06

Bind

Time of First Successful Submission: 2026-01-10 10:03:53

Listen

Time of First Successful Submission: 2026-01-13 13:43:02

Accept

Time of First Successful Submission: 2026-01-14 00:28:10

Static Response

Time of First Successful Submission: 2026-01-14 06:46:48

Dynamic Response

Time of First Successful Submission: 2026-01-15 14:59:55

Iterative GET Server

Time of First Successful Submission: 2026-01-17 07:49:39

Concurrent GET Server

Time of First Successful Submission: 2026-01-17 10:24:32

Concurrent POST Server

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

Web Server

Time of First Successful Submission: 2026-02-09 14:00:11

Debugging Programs

Time of First Successful Submission: 2026-01-06 11:09:56

Inspecting Registers

Time of First Successful Submission: 2026-01-06 11:54:32

Examining Memory

Time of First Successful Submission: 2026-01-07 14:26:40

Setting Breakpoints

Time of First Successful Submission: 2026-01-08 10:17:36

GDB Scripting

Time of First Successful Submission: 2026-01-09 06:51:46

Modifying Data

Time of First Successful Submission: 2026-01-09 15:24:35

Modifying Execution

Time of First Successful Submission: 2026-01-10 00:36:29

Broken Functions

Time of First Successful Submission: 2026-01-10 01:29:48


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-01-04 15:43:25

... and again!

Time of First Successful Submission: 2026-02-09 14:19:09

Newline Troubles

Time of First Successful Submission: 2026-02-09 14:53:36

Reasoning about files

Time of First Successful Submission: 2026-02-09 15:13:10

Specifying Filenames

Time of First Successful Submission: 2026-02-09 23:04:20

Binary and Hex Encoding

Time of First Successful Submission: 2026-02-10 09:27:58

More Hex

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

Decoding Hex

Time of First Successful Submission: 2026-02-10 11:00:16

Decoding Practice

Time of First Successful Submission: 2026-02-10 12:30:48

Encoding Practice

Time of First Successful Submission: 2026-02-10 14:23:49

Hex-encoding ASCII

Time of First Successful Submission: 2026-02-11 14:34:30

Nested Encoding

Time of First Successful Submission: 2026-02-11 14:54:53

Hex-encoding UTF-8

Time of First Successful Submission: 2026-02-12 03:08:21

UTF Mixups

Time of First Successful Submission: 2026-02-13 13:10:21

Modifying Encoded Data

Time of First Successful Submission: 2026-02-13 13:49:41

Decoding Base64

Time of First Successful Submission: 2026-02-14 03:51:59

Encoding Base64

Time of First Successful Submission: 2026-02-14 06:17:11

Dealing with Obfuscation

Time of First Successful Submission: 2026-02-14 06:52:55

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-02-14 14:30:49

Your First HTTP Request

Time of First Successful Submission: 2026-02-14 14:59:17

Reading Flask

Time of First Successful Submission: 2026-02-14 15:01:51

Commented Data

Time of First Successful Submission: 2026-02-14 15:05:40

HTTP Metadata

Time of First Successful Submission: 2026-02-14 15:09:42

HTTP (netcat)

Time of First Successful Submission: 2026-02-14 15:25:04

HTTP Paths (netcat)

Time of First Successful Submission: 2026-02-14 15:28:12

HTTP (curl)

Time of First Successful Submission: 2026-02-15 10:34:51

HTTP (python)

Time of First Successful Submission: 2026-02-15 10:44:41

HTTP Host Header (python)

Time of First Successful Submission: 2026-02-16 13:53:29

HTTP Host Header (curl)

Time of First Successful Submission: 2026-02-16 14:14:11

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-02-16 14:38:56

URL Encoding (netcat)

Time of First Successful Submission: 2026-02-17 00:25:55

HTTP GET Parameters

Time of First Successful Submission: 2026-02-17 05:18:14

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-02-17 05:25:20

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-02-17 06:14:29

HTTP Forms

Time of First Successful Submission: 2026-02-17 06:19:52

HTTP Forms (curl)

Time of First Successful Submission: 2026-02-17 07:23:51

HTTP Forms (netcat)

Time of First Successful Submission: 2026-02-17 08:29:04

HTTP Forms (python)

Time of First Successful Submission: 2026-02-17 13:03:20

HTTP Forms Without Forms

Time of First Successful Submission: 2026-02-17 14:17:36

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-02-17 15:03:18

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-02-18 04:40:01

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-02-18 04:50:46

HTTP Redirects (curl)

Time of First Successful Submission: 2026-02-18 04:52:26

HTTP Redirects (python)

Time of First Successful Submission: 2026-02-18 06:17:34

HTTP Cookies (curl)

Time of First Successful Submission: 2026-02-18 06:57:17

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-02-18 07:27:39

HTTP Cookies (python)

Time of First Successful Submission: 2026-02-18 07:35:29

Server State (python)

Time of First Successful Submission: 2026-02-18 11:02:46

Listening Web

Time of First Successful Submission: 2026-02-18 11:19:37

Speaking Redirects

Time of First Successful Submission: 2026-02-18 12:52:31

JavaScript Redirects

Time of First Successful Submission: 2026-02-18 14:50:43

Including JavaScript

Time of First Successful Submission: 2026-02-19 05:12:14

HTTP (javascript)

Time of First Successful Submission: 2026-02-19 06:35:02

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-02-19 09:33:55

HTTP Forms (javascript)

Time of First Successful Submission: 2026-02-19 10:33:04

cat

Time of First Successful Submission: 2026-02-19 10:40:12

more

Time of First Successful Submission: 2026-02-19 10:41:56

less

Time of First Successful Submission: 2026-02-19 10:42:41

tail

Time of First Successful Submission: 2026-02-19 10:43:23

head

Time of First Successful Submission: 2026-02-19 10:45:01

sort

Time of First Successful Submission: 2026-02-19 10:45:59

vim

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

emacs

Time of First Successful Submission: 2026-02-19 10:56:45

nano

Time of First Successful Submission: 2026-02-19 10:57:15

rev

Time of First Successful Submission: 2026-02-19 10:59:30

od

Time of First Successful Submission: 2026-02-19 11:14:22

hd

Time of First Successful Submission: 2026-02-19 11:23:11

xxd

Time of First Successful Submission: 2026-02-19 11:24:30

base32

Time of First Successful Submission: 2026-02-19 11:25:26

base64

Time of First Successful Submission: 2026-02-19 11:26:18

split

Time of First Successful Submission: 2026-02-19 11:28:46

gzip

Time of First Successful Submission: 2026-02-19 12:07:03

bzip2

Time of First Successful Submission: 2026-02-19 12:49:07

zip

Time of First Successful Submission: 2026-02-19 13:14:11

tar

Time of First Successful Submission: 2026-02-19 13:54:35

ar

Time of First Successful Submission: 2026-02-19 15:15:59

cpio

Time of First Successful Submission: 2026-02-20 09:43:36

genisoimage

Time of First Successful Submission: 2026-02-21 03:52:37

env

Time of First Successful Submission: 2026-02-21 04:03:15

find

Time of First Successful Submission: 2026-02-21 04:13:53

make

Time of First Successful Submission: 2026-02-21 04:34:49

nice

Time of First Successful Submission: 2026-02-21 04:37:19

timeout

Time of First Successful Submission: 2026-02-21 04:39:23

stdbuf

Time of First Successful Submission: 2026-02-21 05:02:04

setarch

Time of First Successful Submission: 2026-02-21 05:04:36

watch

Time of First Successful Submission: 2026-02-21 05:10:24

socat

Time of First Successful Submission: 2026-02-21 10:05:04

whiptail

Time of First Successful Submission: 2026-02-21 10:14:22

awk

Time of First Successful Submission: 2026-02-21 10:24:26

sed

Time of First Successful Submission: 2026-02-21 10:29:00

ed

Time of First Successful Submission: 2026-02-21 10:34:13

chown

Time of First Successful Submission: 2026-02-21 10:35:50

chmod

Time of First Successful Submission: 2026-02-21 10:36:39

cp

Time of First Successful Submission: 2026-02-21 10:41:40

mv

Time of First Successful Submission: 2026-02-21 12:56:18

perl

Time of First Successful Submission: 2026-02-22 03:28:26

python

Time of First Successful Submission: 2026-02-22 03:29:31

ruby

Time of First Successful Submission: 2026-02-22 03:31:47

bash

Time of First Successful Submission: 2026-02-22 03:34:12

date

Time of First Successful Submission: 2026-02-22 06:04:19

dmesg

Time of First Successful Submission: 2026-02-22 06:07:55

wc

Time of First Successful Submission: 2026-02-22 08:32:21

gcc

Time of First Successful Submission: 2026-02-22 08:40:20

as

Time of First Successful Submission: 2026-02-22 08:41:01

wget

Time of First Successful Submission: 2026-02-22 08:47:02

ssh-keygen

Time of First Successful Submission: 2026-02-22 09:01:43

SQL Queries

Time of First Successful Submission: 2026-02-22 10:50:21

Filtering SQL

Time of First Successful Submission: 2026-02-22 11:50:34

Choosing Columns

Time of First Successful Submission: 2026-02-23 13:24:31

Exclusionary Filtering

Time of First Successful Submission: 2026-02-23 14:33:13

Filtering Strings

Time of First Successful Submission: 2026-02-23 14:53:05

Filtering on Expressions

Time of First Successful Submission: 2026-02-24 14:39:56

SELECTing Expressions

Time of First Successful Submission: 2026-02-25 14:57:40

Composite Conditions

Time of First Successful Submission: 2026-02-27 07:49:07

Reaching Your LIMITs

Time of First Successful Submission: 2026-02-27 14:25:45

Querying Metadata

Time of First Successful Submission: 2026-02-27 14:44:01


GCA CTF

12 / 102 631 / 41153


Using the Terminal

Time of First Successful Submission: 2025-12-13 06:17:37

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-13 06:20:53

Using the GUI Desktop

Time of First Successful Submission: 2025-12-13 06:31:52

Pasting into the Desktop

Time of First Successful Submission: 2025-12-13 06:41:35

Connecting over SSH

Time of First Successful Submission: 2025-12-13 06:50:00

Restarting Challenges

Time of First Successful Submission: 2025-12-13 06:53:11

Getting Help

Time of First Successful Submission: 2025-12-13 06:59:04

Challenge Programs

Time of First Successful Submission: 2025-12-13 07:04:51

The Flag File

Time of First Successful Submission: 2025-12-13 07:09:17

Using Privileged Mode

Time of First Successful Submission: 2025-12-13 07:13:31

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-13 07:18:08

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-13 07:19:32