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Triple Dereference

Time of First Successful Submission: 2025-12-08 19:58:00

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-12-08 11:55:30

Command Arguments

Time of First Successful Submission: 2025-12-08 11:56:12

Command History

Time of First Successful Submission: 2025-12-08 11:57:02

The Root Path

Time of First Successful Submission: 2025-12-08 11:57:51

Absolute Paths

Time of First Successful Submission: 2025-12-08 11:58:19

Changing position

Time of First Successful Submission: 2025-12-08 11:59:29

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-08 12:01:03

Relative Paths

Time of First Successful Submission: 2025-12-08 12:02:37

Cat

Time of First Successful Submission: 2025-12-08 12:07:27

Ls

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

Ls All

Time of First Successful Submission: 2025-12-08 12:18:02

Find

Time of First Successful Submission: 2025-12-08 12:28:41

Piping Echo

Time of First Successful Submission: 2025-12-08 12:55:17

Piping Stdout

Time of First Successful Submission: 2025-12-08 12:56:25

Piping Stdin

Time of First Successful Submission: 2025-12-08 13:01:24

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-01-10 08:52:46

Path Traversal 2

Time of First Successful Submission: 2026-01-10 09:00:32

CMDi 1

Time of First Successful Submission: 2026-01-10 09:23:42

CMDi 2

Time of First Successful Submission: 2026-01-10 12:32:36

CMDi 3

Time of First Successful Submission: 2026-01-10 12:35:49

CMDi 4

Time of First Successful Submission: 2026-01-10 12:38:28

CMDi 5

Time of First Successful Submission: 2026-01-10 12:51:42

CMDi 6

Time of First Successful Submission: 2026-01-10 13:58:14

Authentication Bypass 1

Time of First Successful Submission: 2026-01-11 05:39:56

Authentication Bypass 2

Time of First Successful Submission: 2026-01-11 05:45:14

SQLi 1

Time of First Successful Submission: 2026-01-13 17:12:35

SQLi 2

Time of First Successful Submission: 2026-01-13 18:10:59

SQLi 3

Time of First Successful Submission: 2026-01-13 18:47:27

SQLi 4

Time of First Successful Submission: 2026-01-14 16:57:42

Start Here

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Using the Terminal

Time of First Successful Submission: 2025-12-08 11:22:12

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-08 11:24:20

Using the GUI Desktop

Time of First Successful Submission: 2025-12-08 11:27:10

Pasting into the Desktop

Time of First Successful Submission: 2025-12-08 11:29:50

Restarting Challenges

Time of First Successful Submission: 2025-12-08 11:40:59

Challenge Programs

Time of First Successful Submission: 2025-12-08 11:42:53

The Flag File

Time of First Successful Submission: 2025-12-08 11:44:43

Using Privileged Mode

Time of First Successful Submission: 2025-12-08 11:48:45

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-08 11:50:57

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-08 11:51:42

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-12-08 11:55:30

Intro to Arguments

Time of First Successful Submission: 2025-12-08 11:56:12

Command History

Time of First Successful Submission: 2025-12-08 11:57:02

The Root

Time of First Successful Submission: 2025-12-08 11:57:51

Program and absolute paths

Time of First Successful Submission: 2025-12-08 11:58:19

Position thy self

Time of First Successful Submission: 2025-12-08 11:59:29

Position elsewhere

Time of First Successful Submission: 2025-12-08 12:01:03

implicit relative paths, from /

Time of First Successful Submission: 2025-12-08 12:02:37

explicit relative paths, from /

Time of First Successful Submission: 2025-12-08 12:03:43

implicit relative path

Time of First Successful Submission: 2025-12-08 12:04:55

home sweet home

Time of First Successful Submission: 2025-12-08 12:06:25

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-08 12:07:27

catting absolute paths

Time of First Successful Submission: 2025-12-08 12:07:50

more catting practice

Time of First Successful Submission: 2025-12-08 12:08:26

grepping for a needle in a haystack

Time of First Successful Submission: 2025-12-08 12:10:07

comparing files

Time of First Successful Submission: 2025-12-08 12:11:21

listing files

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

touching files

Time of First Successful Submission: 2025-12-08 12:12:58

removing files

Time of First Successful Submission: 2025-12-08 12:13:43

moving files

Time of First Successful Submission: 2025-12-08 12:16:45

copying files

Time of First Successful Submission: 2025-12-08 12:17:29

hidden files

Time of First Successful Submission: 2025-12-08 12:18:02

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-08 12:23:47

making directories

Time of First Successful Submission: 2025-12-08 12:24:47

finding files

Time of First Successful Submission: 2025-12-08 12:28:41

linking files

Time of First Successful Submission: 2025-12-08 12:31:43

Learning From Documentation

Time of First Successful Submission: 2025-12-08 12:32:34

Learning Complex Usage

Time of First Successful Submission: 2025-12-08 12:34:00

Reading Manuals

Time of First Successful Submission: 2025-12-08 12:36:15

Searching Manuals

Time of First Successful Submission: 2025-12-08 12:36:57

Searching For Manuals

Time of First Successful Submission: 2025-12-08 12:38:58

Helpful Programs

Time of First Successful Submission: 2025-12-08 12:39:44

Help for Builtins

Time of First Successful Submission: 2025-12-08 12:41:57

Matching with *

Time of First Successful Submission: 2025-12-08 12:42:55

Matching with ?

Time of First Successful Submission: 2025-12-08 12:43:44

Matching with []

Time of First Successful Submission: 2025-12-08 12:45:23

Matching paths with []

Time of First Successful Submission: 2025-12-08 12:46:16

Multiple globs

Time of First Successful Submission: 2025-12-08 12:47:29

Mixing globs

Time of First Successful Submission: 2025-12-08 12:50:05

Exclusionary globbing

Time of First Successful Submission: 2025-12-08 12:50:56

Tab completion

Time of First Successful Submission: 2025-12-08 12:52:29

Multiple options for tab completion

Time of First Successful Submission: 2025-12-08 12:53:35

Tab completion on commands

Time of First Successful Submission: 2025-12-08 12:53:57

Redirecting output

Time of First Successful Submission: 2025-12-08 12:55:17

Redirecting more output

Time of First Successful Submission: 2025-12-08 12:56:25

Appending output

Time of First Successful Submission: 2025-12-08 12:58:01

Redirecting errors

Time of First Successful Submission: 2025-12-08 13:00:44

Redirecting input

Time of First Successful Submission: 2025-12-08 13:01:24

Grepping stored results

Time of First Successful Submission: 2025-12-08 13:02:21

Grepping live output

Time of First Successful Submission: 2025-12-08 13:02:49

Grepping errors

Time of First Successful Submission: 2025-12-08 13:03:52

Filtering with grep -v

Time of First Successful Submission: 2025-12-08 13:04:39

Filtering with sed

Time of First Successful Submission: 2025-12-08 13:05:34

Duplicating piped data with tee

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

Process substitution for input

Time of First Successful Submission: 2025-12-08 13:10:49

Writing to multiple programs

Time of First Successful Submission: 2025-12-08 13:13:39

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-08 13:16:58

Named pipes

Time of First Successful Submission: 2025-12-08 13:20:56

Printing Variables

Time of First Successful Submission: 2025-12-08 13:21:45

Setting Variables

Time of First Successful Submission: 2025-12-08 13:23:57

Multi-word Variables

Time of First Successful Submission: 2025-12-08 13:24:45

Exporting Variables

Time of First Successful Submission: 2025-12-08 13:25:47

Printing Exported Variables

Time of First Successful Submission: 2025-12-08 13:26:12

Storing Command Output

Time of First Successful Submission: 2025-12-08 13:27:10

Reading Input

Time of First Successful Submission: 2025-12-08 13:28:00

Reading Files

Time of First Successful Submission: 2025-12-08 13:30:20

Translating characters

Time of First Successful Submission: 2025-12-08 13:47:55

Deleting characters

Time of First Successful Submission: 2025-12-08 13:49:36

Deleting newlines

Time of First Successful Submission: 2025-12-08 13:51:01

Extracting the first lines with head

Time of First Successful Submission: 2025-12-08 13:52:44

Extracting specific sections of text

Time of First Successful Submission: 2025-12-08 13:53:47

Sorting data

Time of First Successful Submission: 2025-12-08 13:55:11

Listing Processes

Time of First Successful Submission: 2025-12-08 13:57:27

Killing Processes

Time of First Successful Submission: 2025-12-08 13:58:10

Interrupting Processes

Time of First Successful Submission: 2025-12-08 13:59:22

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-08 14:01:09

Suspending Processes

Time of First Successful Submission: 2025-12-08 14:01:57

Resuming Processes

Time of First Successful Submission: 2025-12-08 14:02:18

Backgrounding Processes

Time of First Successful Submission: 2025-12-08 14:04:12

Foregrounding Processes

Time of First Successful Submission: 2025-12-08 14:04:49

Starting Backgrounded Processes

Time of First Successful Submission: 2025-12-08 14:05:19

Process Exit Codes

Time of First Successful Submission: 2025-12-08 14:06:31

Becoming root with su

Time of First Successful Submission: 2025-12-08 14:08:47

Other users with su

Time of First Successful Submission: 2025-12-08 14:09:38

Cracking passwords

Time of First Successful Submission: 2025-12-08 14:15:04

Using sudo

Time of First Successful Submission: 2025-12-08 14:16:11

Changing File Ownership

Time of First Successful Submission: 2025-12-08 14:18:05

Groups and Files

Time of First Successful Submission: 2025-12-08 14:19:27

Fun With Groups Names

Time of First Successful Submission: 2025-12-08 14:20:39

Changing Permissions

Time of First Successful Submission: 2025-12-08 14:22:47

Executable Files

Time of First Successful Submission: 2025-12-08 14:23:20

Permission Tweaking Practice

Time of First Successful Submission: 2025-12-08 14:30:02

Permissions Setting Practice

Time of First Successful Submission: 2025-12-08 14:35:28

The SUID Bit

Time of First Successful Submission: 2025-12-08 14:38:27

Chaining with Semicolons

Time of First Successful Submission: 2025-12-08 14:39:30

Building on Success

Time of First Successful Submission: 2025-12-08 14:40:34

Handling Failure

Time of First Successful Submission: 2025-12-08 14:41:03

Your First Shell Script

Time of First Successful Submission: 2025-12-08 14:43:19

Redirecting Script Output

Time of First Successful Submission: 2025-12-08 14:44:12

Executable Shell Scripts

Time of First Successful Submission: 2025-12-08 14:44:50

Understanding Shebangs

Time of First Successful Submission: 2025-12-08 14:46:38

Scripting with Arguments

Time of First Successful Submission: 2025-12-08 14:47:25

Scripting with Conditionals

Time of First Successful Submission: 2025-12-08 14:49:17

Scripting with Default Cases

Time of First Successful Submission: 2025-12-08 14:50:02

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-08 14:52:00

Reading Shell Scripts

Time of First Successful Submission: 2025-12-08 14:52:50

Launching Screen

Time of First Successful Submission: 2025-12-08 14:53:42

Detaching and Attaching

Time of First Successful Submission: 2025-12-08 14:54:40

Finding Sessions

Time of First Successful Submission: 2025-12-08 14:55:24

Switching Windows

Time of First Successful Submission: 2025-12-08 14:56:17

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-08 14:57:12

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-08 14:57:51

The PATH Variable

Time of First Successful Submission: 2025-12-08 14:59:50

Setting PATH

Time of First Successful Submission: 2025-12-08 15:00:34

Finding Commands

Time of First Successful Submission: 2025-12-08 15:01:44

Adding Commands

Time of First Successful Submission: 2025-12-08 15:04:29

Hijacking Commands

Time of First Successful Submission: 2025-12-08 15:06:13

Bashrc Backdoor

Time of First Successful Submission: 2025-12-08 15:07:44

Sniffing Input

Time of First Successful Submission: 2025-12-08 15:28:52

Overshared Directories

Time of First Successful Submission: 2025-12-08 15:32:33

Tricky Linking

Time of First Successful Submission: 2025-12-08 15:37:05

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-08 15:39:23

Snooping on Configurations

Time of First Successful Submission: 2025-12-08 15:42:21

The Fork Bomb

Time of First Successful Submission: 2025-12-08 16:02:07

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-08 16:07:49

rm -rf /

Time of First Successful Submission: 2025-12-08 16:10:52

Life after rm -rf /

Time of First Successful Submission: 2025-12-08 16:21:53

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-08 16:28:47

Computing 101

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Your First Register

Time of First Successful Submission: 2025-12-08 17:51:55

Your First Syscall

Time of First Successful Submission: 2025-12-08 17:55:19

Exit Codes

Time of First Successful Submission: 2025-12-08 17:58:28

Building Executables

Time of First Successful Submission: 2025-12-08 18:08:28

Moving Between Registers

Time of First Successful Submission: 2025-12-08 19:14:43

Loading From Memory

Time of First Successful Submission: 2025-12-08 19:33:40

More Loading Practice

Time of First Successful Submission: 2025-12-08 19:34:58

Dereferencing Pointers

Time of First Successful Submission: 2025-12-08 19:39:53

Dereferencing Yourself

Time of First Successful Submission: 2025-12-08 19:43:40

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-08 19:46:44

Stored Addresses

Time of First Successful Submission: 2025-12-08 19:52:08

Double Dereference

Time of First Successful Submission: 2025-12-08 19:56:35

Tracing Syscalls

Time of First Successful Submission: 2025-12-08 19:22:30

Starting GDB

Time of First Successful Submission: 2025-12-08 19:25:12

Starting Programs in GDB

Time of First Successful Submission: 2025-12-08 19:27:13

Writing Output

Time of First Successful Submission: 2025-12-08 20:11:31

Chaining Syscalls

Time of First Successful Submission: 2025-12-08 20:14:13

Writing Strings

Time of First Successful Submission: 2025-12-08 20:17:16

Reading Data

Time of First Successful Submission: 2025-12-08 20:28:17

set-register

Time of First Successful Submission: 2025-12-09 09:45:42

set-multiple-registers

Time of First Successful Submission: 2025-12-09 10:04:44

add-to-register

Time of First Successful Submission: 2025-12-09 10:07:39

linear-equation-registers

Time of First Successful Submission: 2025-12-09 10:11:44

integer-division

Time of First Successful Submission: 2025-12-09 10:21:30

modulo-operation

Time of First Successful Submission: 2025-12-09 10:23:21

set-upper-byte

Time of First Successful Submission: 2025-12-09 10:27:05

efficient-modulo

Time of First Successful Submission: 2025-12-09 10:44:54

byte-extraction

Time of First Successful Submission: 2025-12-09 11:00:29

bitwise-and

Time of First Successful Submission: 2025-12-09 11:08:50

check-even

Time of First Successful Submission: 2025-12-09 11:59:51

memory-read

Time of First Successful Submission: 2025-12-09 12:04:10

memory-write

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

memory-increment

Time of First Successful Submission: 2025-12-09 12:40:19

byte-access

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

memory-size-access

Time of First Successful Submission: 2025-12-09 12:44:30

little-endian-write

Time of First Successful Submission: 2025-12-09 12:49:38

memory-sum

Time of First Successful Submission: 2025-12-09 12:54:46

stack-subtraction

Time of First Successful Submission: 2025-12-09 12:59:56

swap-stack-values

Time of First Successful Submission: 2025-12-09 13:03:00

average-stack-values

Time of First Successful Submission: 2025-12-09 13:25:14

absolute-jump

Time of First Successful Submission: 2025-12-09 13:27:28

relative-jump

Time of First Successful Submission: 2025-12-09 14:35:19

jump-trampoline

Time of First Successful Submission: 2025-12-09 14:39:32

conditional-jump

Time of First Successful Submission: 2025-12-09 15:41:43

indirect-jump

Time of First Successful Submission: 2025-12-09 16:09:31

average-loop

Time of First Successful Submission: 2025-12-09 16:21:07

count-non-zero

Time of First Successful Submission: 2025-12-09 18:04:27

string-lower

Time of First Successful Submission: 2025-12-09 19:39:47

most-common-byte

Time of First Successful Submission: 2025-12-09 23:32:44

Exit

Time of First Successful Submission: 2025-12-12 18:02:49

Socket

Time of First Successful Submission: 2025-12-12 18:31:17

Bind

Time of First Successful Submission: 2025-12-13 08:52:58

Listen

Time of First Successful Submission: 2025-12-13 10:35:58

Accept

Time of First Successful Submission: 2025-12-13 11:24:25

Static Response

Time of First Successful Submission: 2025-12-13 14:45:53

Dynamic Response

Time of First Successful Submission: 2025-12-14 08:29:20

Iterative GET Server

Time of First Successful Submission: 2025-12-14 09:18:11

Concurrent GET Server

Time of First Successful Submission: 2025-12-14 12:25:57

Concurrent POST Server

Time of First Successful Submission: 2025-12-18 20:18:17

Web Server

Time of First Successful Submission: 2025-12-18 20:20:39

Debugging Programs

Time of First Successful Submission: 2025-12-10 07:47:32

Inspecting Registers

Time of First Successful Submission: 2025-12-10 07:51:32

Examining Memory

Time of First Successful Submission: 2025-12-10 10:08:28

Setting Breakpoints

Time of First Successful Submission: 2025-12-10 15:05:08

GDB Scripting

Time of First Successful Submission: 2025-12-11 21:39:13

Modifying Data

Time of First Successful Submission: 2025-12-11 22:03:06

Modifying Execution

Time of First Successful Submission: 2025-12-11 22:08:55

Broken Functions

Time of First Successful Submission: 2025-12-11 22:43:46

Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-12-19 13:42:19

... and again!

Time of First Successful Submission: 2025-12-19 13:42:51

Newline Troubles

Time of First Successful Submission: 2025-12-19 13:43:50

Reasoning about files

Time of First Successful Submission: 2025-12-19 13:50:03

Specifying Filenames

Time of First Successful Submission: 2025-12-19 13:50:49

Binary and Hex Encoding

Time of First Successful Submission: 2025-12-19 13:56:11

More Hex

Time of First Successful Submission: 2025-12-19 13:57:28

Decoding Hex

Time of First Successful Submission: 2025-12-19 19:10:51

Decoding Practice

Time of First Successful Submission: 2025-12-19 19:54:30

Encoding Practice

Time of First Successful Submission: 2025-12-21 09:10:13

Hex-encoding ASCII

Time of First Successful Submission: 2025-12-21 10:02:23

Nested Encoding

Time of First Successful Submission: 2025-12-21 12:08:17

Hex-encoding UTF-8

Time of First Successful Submission: 2025-12-21 12:16:39

UTF Mixups

Time of First Successful Submission: 2025-12-21 12:59:07

Modifying Encoded Data

Time of First Successful Submission: 2025-12-21 13:59:57

Decoding Base64

Time of First Successful Submission: 2025-12-22 16:36:19

Encoding Base64

Time of First Successful Submission: 2025-12-22 16:49:31

Dealing with Obfuscation

Time of First Successful Submission: 2025-12-22 17:01:14

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-12-22 17:13:33

Your First HTTP Request

Time of First Successful Submission: 2025-12-22 17:20:10

Reading Flask

Time of First Successful Submission: 2025-12-22 17:22:52

Commented Data

Time of First Successful Submission: 2025-12-22 17:47:21

HTTP Metadata

Time of First Successful Submission: 2025-12-22 17:52:33

HTTP (netcat)

Time of First Successful Submission: 2025-12-23 13:47:22

HTTP Paths (netcat)

Time of First Successful Submission: 2025-12-23 13:53:58

HTTP (curl)

Time of First Successful Submission: 2025-12-23 13:54:51

HTTP (python)

Time of First Successful Submission: 2025-12-23 13:58:47

HTTP Host Header (python)

Time of First Successful Submission: 2025-12-23 14:11:17

HTTP Host Header (curl)

Time of First Successful Submission: 2025-12-23 14:13:09

HTTP Host Header (netcat)

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

URL Encoding (netcat)

Time of First Successful Submission: 2025-12-23 14:18:27

HTTP GET Parameters

Time of First Successful Submission: 2025-12-23 17:40:59

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-12-23 19:10:36

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-12-23 19:12:47

HTTP Forms

Time of First Successful Submission: 2025-12-23 19:17:36

HTTP Forms (curl)

Time of First Successful Submission: 2025-12-23 19:23:42

HTTP Forms (netcat)

Time of First Successful Submission: 2025-12-23 19:32:21

HTTP Forms (python)

Time of First Successful Submission: 2025-12-25 08:02:33

HTTP Forms Without Forms

Time of First Successful Submission: 2025-12-25 11:03:55

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-12-25 13:02:51

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-12-25 13:46:28

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-12-25 13:53:16

HTTP Redirects (curl)

Time of First Successful Submission: 2025-12-25 13:53:52

HTTP Redirects (python)

Time of First Successful Submission: 2025-12-25 13:55:43

HTTP Cookies (curl)

Time of First Successful Submission: 2025-12-25 14:01:29

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-12-25 14:03:46

HTTP Cookies (python)

Time of First Successful Submission: 2025-12-25 14:39:17

Server State (python)

Time of First Successful Submission: 2025-12-25 14:42:32

Listening Web

Time of First Successful Submission: 2025-12-25 14:44:15

Speaking Redirects

Time of First Successful Submission: 2025-12-25 15:05:52

JavaScript Redirects

Time of First Successful Submission: 2025-12-25 15:16:27

Including JavaScript

Time of First Successful Submission: 2025-12-26 06:45:29

HTTP (javascript)

Time of First Successful Submission: 2025-12-26 10:06:06

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-12-26 10:10:03

HTTP Forms (javascript)

Time of First Successful Submission: 2025-12-26 14:29:31

cat

Time of First Successful Submission: 2025-12-26 14:35:27

more

Time of First Successful Submission: 2025-12-26 14:37:45

less

Time of First Successful Submission: 2025-12-26 14:38:19

tail

Time of First Successful Submission: 2025-12-26 14:38:38

head

Time of First Successful Submission: 2025-12-26 14:38:55

sort

Time of First Successful Submission: 2025-12-26 14:39:13

vim

Time of First Successful Submission: 2025-12-26 14:39:43

emacs

Time of First Successful Submission: 2025-12-26 14:42:02

nano

Time of First Successful Submission: 2025-12-26 14:47:56

rev

Time of First Successful Submission: 2025-12-26 14:48:50

od

Time of First Successful Submission: 2025-12-26 14:53:29

hd

Time of First Successful Submission: 2025-12-26 15:25:16

xxd

Time of First Successful Submission: 2025-12-26 15:27:56

base32

Time of First Successful Submission: 2025-12-26 15:29:13

base64

Time of First Successful Submission: 2025-12-26 15:29:44

split

Time of First Successful Submission: 2025-12-26 15:33:32

gzip

Time of First Successful Submission: 2025-12-26 15:35:33

bzip2

Time of First Successful Submission: 2025-12-26 15:36:05

zip

Time of First Successful Submission: 2025-12-26 15:45:19

tar

Time of First Successful Submission: 2025-12-26 15:49:08

ar

Time of First Successful Submission: 2025-12-26 15:52:49

cpio

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

genisoimage

Time of First Successful Submission: 2025-12-29 09:34:07

env

Time of First Successful Submission: 2025-12-29 09:59:29

find

Time of First Successful Submission: 2025-12-29 10:00:23

make

Time of First Successful Submission: 2025-12-29 10:06:38

nice

Time of First Successful Submission: 2025-12-29 10:07:17

timeout

Time of First Successful Submission: 2025-12-29 10:07:59

stdbuf

Time of First Successful Submission: 2025-12-29 10:11:40

setarch

Time of First Successful Submission: 2025-12-29 10:23:05

watch

Time of First Successful Submission: 2025-12-29 10:25:37

socat

Time of First Successful Submission: 2025-12-29 10:36:18

whiptail

Time of First Successful Submission: 2025-12-29 11:02:48

awk

Time of First Successful Submission: 2025-12-29 11:07:00

sed

Time of First Successful Submission: 2025-12-29 11:09:06

ed

Time of First Successful Submission: 2025-12-29 11:16:12

chown

Time of First Successful Submission: 2025-12-29 11:18:00

chmod

Time of First Successful Submission: 2025-12-29 11:19:05

cp

Time of First Successful Submission: 2025-12-29 11:21:43

mv

Time of First Successful Submission: 2025-12-29 12:42:46

perl

Time of First Successful Submission: 2025-12-29 12:50:18

python

Time of First Successful Submission: 2025-12-29 12:51:16

ruby

Time of First Successful Submission: 2025-12-29 12:57:16

bash

Time of First Successful Submission: 2025-12-29 13:00:16

date

Time of First Successful Submission: 2025-12-29 13:00:49

dmesg

Time of First Successful Submission: 2025-12-29 13:01:55

wc

Time of First Successful Submission: 2025-12-29 13:04:46

gcc

Time of First Successful Submission: 2025-12-29 13:06:49

as

Time of First Successful Submission: 2025-12-29 13:07:56

wget

Time of First Successful Submission: 2025-12-29 13:26:00

ssh-keygen

Time of First Successful Submission: 2025-12-31 05:17:19

SQL Queries

Time of First Successful Submission: 2025-12-31 05:24:05

Filtering SQL

Time of First Successful Submission: 2025-12-31 05:27:20

Choosing Columns

Time of First Successful Submission: 2025-12-31 05:32:08

Exclusionary Filtering

Time of First Successful Submission: 2025-12-31 05:37:56

Filtering Strings

Time of First Successful Submission: 2025-12-31 05:40:46

Filtering on Expressions

Time of First Successful Submission: 2025-12-31 05:45:06

SELECTing Expressions

Time of First Successful Submission: 2025-12-31 06:00:40

Composite Conditions

Time of First Successful Submission: 2025-12-31 06:02:10

Reaching Your LIMITs

Time of First Successful Submission: 2025-12-31 06:05:14

Querying Metadata

Time of First Successful Submission: 2025-12-31 06:10:17

GCA CTF

23 / 104 129 / 43533

Using the Terminal

Time of First Successful Submission: 2025-12-08 11:22:12

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-08 11:24:20

Using the GUI Desktop

Time of First Successful Submission: 2025-12-08 11:27:10

Pasting into the Desktop

Time of First Successful Submission: 2025-12-08 11:29:50

Connecting over SSH

Time of First Successful Submission: 2025-12-08 11:35:46

Restarting Challenges

Time of First Successful Submission: 2025-12-08 11:40:59

Getting Help

Time of First Successful Submission: 2025-12-11 23:22:39

Challenge Programs

Time of First Successful Submission: 2025-12-08 11:42:53

The Flag File

Time of First Successful Submission: 2025-12-08 11:44:43

Using Privileged Mode

Time of First Successful Submission: 2025-12-08 11:48:45

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-08 11:50:57

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-08 11:51:42

Running Commands

Time of First Successful Submission: 2025-12-12 07:45:11

Move through the Linux filesystem.

Time of First Successful Submission: 2025-12-12 07:31:27

Create and delete files.

Time of First Successful Submission: 2025-12-12 07:32:23

Move, copy, and rename files.

Time of First Successful Submission: 2025-12-12 07:34:08

Display file contents in the terminal.

Time of First Successful Submission: 2025-12-12 07:34:39

Create files with nano.

Time of First Successful Submission: 2025-12-12 07:35:40

Edit files with nano.

Time of First Successful Submission: 2025-12-12 07:36:29

Locate files on the Linux filesystem.

Time of First Successful Submission: 2025-12-12 07:37:44

Find the password! (Searching files)

Time of First Successful Submission: 2025-12-12 07:39:30

Advanced Directory Techniques.

Time of First Successful Submission: 2025-12-12 07:41:38

Learn about command flags.

Time of First Successful Submission: 2025-12-12 07:44:20

Hacker History

8 / 8 58 / 159

External BBS (login)

Time of First Successful Submission: 2025-12-12 08:42:05

Internal BBS

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

Join an IRC Server

Time of First Successful Submission: 2025-12-12 13:31:00

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2025-12-12 13:32:08

Change your nickname

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

Join a channel

Time of First Successful Submission: 2025-12-12 13:37:29

Message a channel

Time of First Successful Submission: 2025-12-12 13:46:24

Remove another user

Time of First Successful Submission: 2025-12-12 13:49:17

Pwntools Tutorials

12 / 12 314 / 1216

Level 0.0

Time of First Successful Submission: 2025-12-31 06:51:04

Level 1.0

Time of First Successful Submission: 2025-12-31 07:04:39

Level 1.1

Time of First Successful Submission: 2025-12-31 07:15:05

Level 2.0

Time of First Successful Submission: 2025-12-31 07:41:39

Level 2.1

Time of First Successful Submission: 2025-12-31 07:54:08

Level 2.2

Time of First Successful Submission: 2025-12-31 08:12:34

Level 2.3

Time of First Successful Submission: 2025-12-31 10:58:38

Level 2.4

Time of First Successful Submission: 2025-12-31 11:08:40

Level 2.5

Time of First Successful Submission: 2025-12-31 11:21:07

Level 2.6

Time of First Successful Submission: 2025-12-31 11:24:15

Level 3.0

Time of First Successful Submission: 2025-12-31 13:02:13

Level 4.0

Time of First Successful Submission: 2026-01-08 19:54:01