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1 / 202 21818 / 22791


Triple Dereference

Time of First Successful Submission: 2025-12-11 11:09:05


Intro to Programming Languages

15 / 234 6610 / 31932


Commands

Time of First Successful Submission: 2025-12-06 12:49:11

Command Arguments

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

Command History

Time of First Successful Submission: 2025-12-06 12:50:33

The Root Path

Time of First Successful Submission: 2025-12-06 12:51:30

Absolute Paths

Time of First Successful Submission: 2025-12-06 12:52:11

Changing position

Time of First Successful Submission: 2025-12-06 12:53:14

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-06 12:56:33

Relative Paths

Time of First Successful Submission: 2025-12-06 12:57:30

Cat

Time of First Successful Submission: 2025-12-06 13:04:02

Ls

Time of First Successful Submission: 2025-12-06 13:08:53

Ls All

Time of First Successful Submission: 2025-12-06 13:13:16

Find

Time of First Successful Submission: 2025-12-06 13:26:27

Piping Echo

Time of First Successful Submission: 2025-12-08 12:52:30

Piping Stdout

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

Piping Stdin

Time of First Successful Submission: 2025-12-08 12:57:45


Intro to Cybersecurity

44 / 183 7133 / 20008


Path Traversal 1

Time of First Successful Submission: 2026-01-02 12:47:19

Path Traversal 2

Time of First Successful Submission: 2026-01-02 12:50:16

CMDi 1

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

CMDi 2

Time of First Successful Submission: 2026-01-02 13:04:43

CMDi 3

Time of First Successful Submission: 2026-01-03 12:49:03

CMDi 4

Time of First Successful Submission: 2026-01-03 12:56:42

CMDi 5

Time of First Successful Submission: 2026-01-03 13:00:01

CMDi 6

Time of First Successful Submission: 2026-01-03 13:10:29

Authentication Bypass 1

Time of First Successful Submission: 2026-01-03 13:20:08

Authentication Bypass 2

Time of First Successful Submission: 2026-01-03 13:25:43

SQLi 1

Time of First Successful Submission: 2026-01-03 13:48:41

SQLi 2

Time of First Successful Submission: 2026-01-03 13:51:45

SQLi 3

Time of First Successful Submission: 2026-01-03 14:06:02

SQLi 4

Time of First Successful Submission: 2026-01-03 14:10:15

SQLi 5

Time of First Successful Submission: 2026-01-05 21:02:17

XSS 1

Time of First Successful Submission: 2026-01-05 21:11:01

XSS 2

Time of First Successful Submission: 2026-01-05 21:14:16

XSS 3

Time of First Successful Submission: 2026-01-05 21:18:50

XSS 4

Time of First Successful Submission: 2026-01-05 21:22:38

XSS 5

Time of First Successful Submission: 2026-01-07 14:19:48

XSS 6

Time of First Successful Submission: 2026-01-07 14:27:34

XSS 7

Time of First Successful Submission: 2026-01-07 18:10:14

CSRF 1

Time of First Successful Submission: 2026-01-08 19:25:20

CSRF 2

Time of First Successful Submission: 2026-01-08 19:36:41

CSRF 3

Time of First Successful Submission: 2026-01-08 19:52:17

CSRF 4

Time of First Successful Submission: 2026-01-08 20:05:42

CSRF 5

Time of First Successful Submission: 2026-01-08 20:14:28

Connect

Time of First Successful Submission: 2026-01-08 20:16:11

Send

Time of First Successful Submission: 2026-01-08 20:17:19

Shutdown

Time of First Successful Submission: 2026-01-08 20:19:13

Listen

Time of First Successful Submission: 2026-01-08 20:20:15

Scan 1

Time of First Successful Submission: 2026-01-09 08:39:21

Scan 2

Time of First Successful Submission: 2026-01-09 09:09:27

Monitor 1

Time of First Successful Submission: 2026-01-09 13:51:20

Monitor 2

Time of First Successful Submission: 2026-01-09 14:01:30

Sniffing Cookies

Time of First Successful Submission: 2026-01-09 14:12:22

Network Configuration

Time of First Successful Submission: 2026-01-12 13:41:55

Firewall 1

Time of First Successful Submission: 2026-01-12 13:44:30

Firewall 2

Time of First Successful Submission: 2026-01-12 16:07:49

Firewall 3

Time of First Successful Submission: 2026-01-12 16:14:10

Denial of Service 1

Time of First Successful Submission: 2026-01-12 16:52:19

Denial of Service 2

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

XOR

Time of First Successful Submission: 2026-01-10 14:03:52

XORing Hex

Time of First Successful Submission: 2026-01-10 14:21:16


Start Here

10 / 12 18628 / 43252


Using the Terminal

Time of First Successful Submission: 2025-12-05 16:35:56

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-05 16:39:24

Using the GUI Desktop

Time of First Successful Submission: 2025-12-05 16:41:55

Pasting into the Desktop

Time of First Successful Submission: 2025-12-05 16:43:35

Restarting Challenges

Time of First Successful Submission: 2025-12-05 17:10:09

Challenge Programs

Time of First Successful Submission: 2025-12-05 17:11:00

The Flag File

Time of First Successful Submission: 2025-12-05 17:12:25

Using Privileged Mode

Time of First Successful Submission: 2025-12-06 12:42:44

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-06 12:45:16

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-06 12:46:10


Linux Luminarium

128 / 128 801 / 32341


Intro to Commands

Time of First Successful Submission: 2025-12-06 12:49:11

Intro to Arguments

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

Command History

Time of First Successful Submission: 2025-12-06 12:50:33

The Root

Time of First Successful Submission: 2025-12-06 12:51:30

Program and absolute paths

Time of First Successful Submission: 2025-12-06 12:52:11

Position thy self

Time of First Successful Submission: 2025-12-06 12:53:14

Position elsewhere

Time of First Successful Submission: 2025-12-06 12:56:33

implicit relative paths, from /

Time of First Successful Submission: 2025-12-06 12:57:30

explicit relative paths, from /

Time of First Successful Submission: 2025-12-06 12:58:34

implicit relative path

Time of First Successful Submission: 2025-12-06 12:59:41

home sweet home

Time of First Successful Submission: 2025-12-06 13:02:48

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-06 13:04:02

catting absolute paths

Time of First Successful Submission: 2025-12-06 13:04:39

more catting practice

Time of First Successful Submission: 2025-12-06 13:05:38

grepping for a needle in a haystack

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

comparing files

Time of First Successful Submission: 2025-12-06 13:07:46

listing files

Time of First Successful Submission: 2025-12-06 13:08:53

touching files

Time of First Successful Submission: 2025-12-06 13:09:43

removing files

Time of First Successful Submission: 2025-12-06 13:10:28

moving files

Time of First Successful Submission: 2025-12-06 13:11:31

copying files

Time of First Successful Submission: 2025-12-06 13:12:27

hidden files

Time of First Successful Submission: 2025-12-06 13:13:16

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-06 13:21:54

making directories

Time of First Successful Submission: 2025-12-06 13:22:56

finding files

Time of First Successful Submission: 2025-12-06 13:26:27

linking files

Time of First Successful Submission: 2025-12-06 13:29:14

Learning From Documentation

Time of First Successful Submission: 2025-12-06 13:30:47

Learning Complex Usage

Time of First Successful Submission: 2025-12-06 13:32:05

Reading Manuals

Time of First Successful Submission: 2025-12-06 13:35:39

Searching Manuals

Time of First Successful Submission: 2025-12-06 13:36:51

Searching For Manuals

Time of First Successful Submission: 2025-12-08 12:29:01

Helpful Programs

Time of First Successful Submission: 2025-12-08 12:31:09

Help for Builtins

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

Matching with *

Time of First Successful Submission: 2025-12-08 12:34:11

Matching with ?

Time of First Successful Submission: 2025-12-08 12:34:54

Matching with []

Time of First Successful Submission: 2025-12-08 12:36:06

Matching paths with []

Time of First Successful Submission: 2025-12-08 12:36:54

Multiple globs

Time of First Successful Submission: 2025-12-08 12:38:02

Mixing globs

Time of First Successful Submission: 2025-12-08 12:43:50

Exclusionary globbing

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

Tab completion

Time of First Successful Submission: 2025-12-08 12:46:51

Multiple options for tab completion

Time of First Successful Submission: 2025-12-08 12:48:04

Tab completion on commands

Time of First Successful Submission: 2025-12-08 12:48:42

Redirecting output

Time of First Successful Submission: 2025-12-08 12:52:30

Redirecting more output

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

Appending output

Time of First Successful Submission: 2025-12-08 12:54:56

Redirecting errors

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

Redirecting input

Time of First Successful Submission: 2025-12-08 12:57:45

Grepping stored results

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

Grepping live output

Time of First Successful Submission: 2025-12-09 12:41:03

Grepping errors

Time of First Successful Submission: 2025-12-09 12:42:25

Filtering with grep -v

Time of First Successful Submission: 2025-12-09 12:43:28

Filtering with sed

Time of First Successful Submission: 2025-12-09 12:46:29

Duplicating piped data with tee

Time of First Successful Submission: 2025-12-09 12:58:25

Process substitution for input

Time of First Successful Submission: 2025-12-09 13:00:49

Writing to multiple programs

Time of First Successful Submission: 2025-12-09 13:04:51

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-09 13:11:52

Named pipes

Time of First Successful Submission: 2025-12-09 13:46:33

Printing Variables

Time of First Successful Submission: 2025-12-09 13:47:49

Setting Variables

Time of First Successful Submission: 2025-12-09 13:48:33

Multi-word Variables

Time of First Successful Submission: 2025-12-09 13:49:13

Exporting Variables

Time of First Successful Submission: 2025-12-09 13:51:11

Printing Exported Variables

Time of First Successful Submission: 2025-12-09 13:51:49

Storing Command Output

Time of First Successful Submission: 2025-12-09 13:54:37

Reading Input

Time of First Successful Submission: 2025-12-09 13:56:27

Reading Files

Time of First Successful Submission: 2025-12-09 13:59:50

Translating characters

Time of First Successful Submission: 2025-12-09 14:02:23

Deleting characters

Time of First Successful Submission: 2025-12-09 14:03:07

Deleting newlines

Time of First Successful Submission: 2025-12-09 14:04:25

Extracting the first lines with head

Time of First Successful Submission: 2025-12-09 14:05:23

Extracting specific sections of text

Time of First Successful Submission: 2025-12-09 14:07:45

Sorting data

Time of First Successful Submission: 2025-12-09 14:08:47

Listing Processes

Time of First Successful Submission: 2025-12-09 14:11:46

Killing Processes

Time of First Successful Submission: 2025-12-09 16:09:35

Interrupting Processes

Time of First Successful Submission: 2025-12-09 16:10:21

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-09 16:12:53

Suspending Processes

Time of First Successful Submission: 2025-12-09 16:13:50

Resuming Processes

Time of First Successful Submission: 2025-12-09 16:14:45

Backgrounding Processes

Time of First Successful Submission: 2025-12-09 16:16:37

Foregrounding Processes

Time of First Successful Submission: 2025-12-09 16:17:27

Starting Backgrounded Processes

Time of First Successful Submission: 2025-12-09 16:18:08

Process Exit Codes

Time of First Successful Submission: 2025-12-09 16:20:14

Becoming root with su

Time of First Successful Submission: 2025-12-09 16:23:43

Other users with su

Time of First Successful Submission: 2025-12-09 16:24:26

Cracking passwords

Time of First Successful Submission: 2025-12-09 16:28:28

Using sudo

Time of First Successful Submission: 2025-12-09 16:31:25

Changing File Ownership

Time of First Successful Submission: 2025-12-09 16:35:40

Groups and Files

Time of First Successful Submission: 2025-12-09 16:37:41

Fun With Groups Names

Time of First Successful Submission: 2025-12-09 16:38:59

Changing Permissions

Time of First Successful Submission: 2025-12-09 16:41:36

Executable Files

Time of First Successful Submission: 2025-12-09 16:43:40

Permission Tweaking Practice

Time of First Successful Submission: 2025-12-09 16:51:20

Permissions Setting Practice

Time of First Successful Submission: 2025-12-09 16:55:21

The SUID Bit

Time of First Successful Submission: 2025-12-09 16:57:13

Chaining with Semicolons

Time of First Successful Submission: 2025-12-09 16:58:39

Building on Success

Time of First Successful Submission: 2025-12-09 16:59:53

Handling Failure

Time of First Successful Submission: 2025-12-09 17:00:54

Your First Shell Script

Time of First Successful Submission: 2025-12-09 17:02:40

Redirecting Script Output

Time of First Successful Submission: 2025-12-09 17:06:39

Executable Shell Scripts

Time of First Successful Submission: 2025-12-09 17:07:48

Understanding Shebangs

Time of First Successful Submission: 2025-12-09 17:10:53

Scripting with Arguments

Time of First Successful Submission: 2025-12-09 17:12:32

Scripting with Conditionals

Time of First Successful Submission: 2025-12-10 08:27:53

Scripting with Default Cases

Time of First Successful Submission: 2025-12-10 08:29:24

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-10 08:32:32

Reading Shell Scripts

Time of First Successful Submission: 2025-12-10 08:35:09

Launching Screen

Time of First Successful Submission: 2025-12-10 08:37:12

Detaching and Attaching

Time of First Successful Submission: 2025-12-10 08:38:53

Finding Sessions

Time of First Successful Submission: 2025-12-10 08:41:04

Switching Windows

Time of First Successful Submission: 2025-12-10 08:42:22

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-10 08:43:40

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-10 08:45:06

The PATH Variable

Time of First Successful Submission: 2025-12-10 08:46:32

Setting PATH

Time of First Successful Submission: 2025-12-10 08:47:53

Finding Commands

Time of First Successful Submission: 2025-12-10 08:49:34

Adding Commands

Time of First Successful Submission: 2025-12-10 08:54:24

Hijacking Commands

Time of First Successful Submission: 2025-12-10 08:58:17

Bashrc Backdoor

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

Sniffing Input

Time of First Successful Submission: 2025-12-10 09:12:14

Overshared Directories

Time of First Successful Submission: 2025-12-10 09:15:29

Tricky Linking

Time of First Successful Submission: 2025-12-10 13:45:29

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-10 13:47:02

Snooping on Configurations

Time of First Successful Submission: 2025-12-10 13:49:45

The Fork Bomb

Time of First Successful Submission: 2025-12-10 14:00:03

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-10 14:02:29

rm -rf /

Time of First Successful Submission: 2025-12-10 14:05:46

Life after rm -rf /

Time of First Successful Submission: 2025-12-10 14:11:30

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-10 14:15:04


Computing 101

68 / 94 2196 / 21491


Your First Register

Time of First Successful Submission: 2025-12-10 14:23:46

Your First Syscall

Time of First Successful Submission: 2025-12-10 14:25:24

Exit Codes

Time of First Successful Submission: 2025-12-10 14:26:34

Building Executables

Time of First Successful Submission: 2025-12-10 14:30:06

Moving Between Registers

Time of First Successful Submission: 2025-12-10 18:10:24

Loading From Memory

Time of First Successful Submission: 2025-12-10 18:26:02

More Loading Practice

Time of First Successful Submission: 2025-12-10 18:27:14

Dereferencing Pointers

Time of First Successful Submission: 2025-12-10 18:29:07

Dereferencing Yourself

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

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-11 11:03:31

Stored Addresses

Time of First Successful Submission: 2025-12-11 11:05:09

Double Dereference

Time of First Successful Submission: 2025-12-11 11:07:53

Tracing Syscalls

Time of First Successful Submission: 2025-12-10 18:14:52

Starting GDB

Time of First Successful Submission: 2025-12-10 18:16:00

Starting Programs in GDB

Time of First Successful Submission: 2025-12-10 18:17:35

Writing Output

Time of First Successful Submission: 2025-12-11 11:19:59

Chaining Syscalls

Time of First Successful Submission: 2025-12-11 11:23:30

Writing Strings

Time of First Successful Submission: 2025-12-11 11:24:38

Reading Data

Time of First Successful Submission: 2025-12-11 11:27:21

set-register

Time of First Successful Submission: 2025-12-11 13:45:15

set-multiple-registers

Time of First Successful Submission: 2025-12-11 13:47:58

add-to-register

Time of First Successful Submission: 2025-12-11 13:50:06

linear-equation-registers

Time of First Successful Submission: 2025-12-11 13:51:26

integer-division

Time of First Successful Submission: 2025-12-11 13:54:34

modulo-operation

Time of First Successful Submission: 2025-12-11 13:57:16

set-upper-byte

Time of First Successful Submission: 2025-12-11 13:58:47

efficient-modulo

Time of First Successful Submission: 2025-12-11 14:04:21

byte-extraction

Time of First Successful Submission: 2025-12-11 14:08:40

bitwise-and

Time of First Successful Submission: 2025-12-11 14:13:53

check-even

Time of First Successful Submission: 2025-12-11 14:17:29

memory-read

Time of First Successful Submission: 2025-12-11 19:39:09

memory-write

Time of First Successful Submission: 2025-12-11 19:40:01

memory-increment

Time of First Successful Submission: 2025-12-11 19:42:53

byte-access

Time of First Successful Submission: 2025-12-11 19:44:56

memory-size-access

Time of First Successful Submission: 2025-12-11 19:46:43

little-endian-write

Time of First Successful Submission: 2025-12-11 19:50:14

memory-sum

Time of First Successful Submission: 2025-12-11 19:56:48

stack-subtraction

Time of First Successful Submission: 2025-12-11 19:59:55

swap-stack-values

Time of First Successful Submission: 2025-12-11 20:00:46

average-stack-values

Time of First Successful Submission: 2025-12-11 20:04:42

absolute-jump

Time of First Successful Submission: 2025-12-11 20:07:12

relative-jump

Time of First Successful Submission: 2025-12-11 20:18:10

jump-trampoline

Time of First Successful Submission: 2025-12-11 20:20:38

conditional-jump

Time of First Successful Submission: 2025-12-12 08:59:49

indirect-jump

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

average-loop

Time of First Successful Submission: 2025-12-14 14:27:48

count-non-zero

Time of First Successful Submission: 2025-12-15 13:47:48

string-lower

Time of First Successful Submission: 2025-12-15 16:42:26

most-common-byte

Time of First Successful Submission: 2025-12-15 17:09:03

Exit

Time of First Successful Submission: 2025-12-18 20:02:11

Socket

Time of First Successful Submission: 2025-12-18 20:13:58

Bind

Time of First Successful Submission: 2025-12-19 13:25:25

Listen

Time of First Successful Submission: 2025-12-19 13:30:28

Accept

Time of First Successful Submission: 2025-12-19 13:34:15

Static Response

Time of First Successful Submission: 2025-12-19 13:53:04

Dynamic Response

Time of First Successful Submission: 2025-12-22 19:22:07

Iterative GET Server

Time of First Successful Submission: 2025-12-22 19:32:46

Concurrent GET Server

Time of First Successful Submission: 2025-12-22 20:01:40

Concurrent POST Server

Time of First Successful Submission: 2025-12-27 13:49:23

Web Server

Time of First Successful Submission: 2025-12-27 13:50:56

Debugging Programs

Time of First Successful Submission: 2025-12-15 17:11:16

Inspecting Registers

Time of First Successful Submission: 2025-12-15 17:12:34

Examining Memory

Time of First Successful Submission: 2025-12-15 17:16:41

Setting Breakpoints

Time of First Successful Submission: 2025-12-17 08:43:59

GDB Scripting

Time of First Successful Submission: 2025-12-18 11:26:47

Modifying Data

Time of First Successful Submission: 2025-12-18 19:39:08

Modifying Execution

Time of First Successful Submission: 2025-12-18 19:40:04

Broken Functions

Time of First Successful Submission: 2025-12-18 19:55:11


Playing With Programs

116 / 116 635 / 23362


What's the password?

Time of First Successful Submission: 2025-12-27 13:52:28

... and again!

Time of First Successful Submission: 2025-12-27 13:53:04

Newline Troubles

Time of First Successful Submission: 2025-12-27 13:54:28

Reasoning about files

Time of First Successful Submission: 2025-12-27 13:58:24

Specifying Filenames

Time of First Successful Submission: 2025-12-27 13:59:52

Binary and Hex Encoding

Time of First Successful Submission: 2025-12-27 14:03:33

More Hex

Time of First Successful Submission: 2025-12-27 14:04:25

Decoding Hex

Time of First Successful Submission: 2025-12-29 12:18:27

Decoding Practice

Time of First Successful Submission: 2025-12-29 12:20:42

Encoding Practice

Time of First Successful Submission: 2025-12-29 12:22:19

Hex-encoding ASCII

Time of First Successful Submission: 2025-12-29 12:30:46

Nested Encoding

Time of First Successful Submission: 2025-12-29 12:33:09

Hex-encoding UTF-8

Time of First Successful Submission: 2025-12-29 12:43:06

UTF Mixups

Time of First Successful Submission: 2025-12-29 12:51:28

Modifying Encoded Data

Time of First Successful Submission: 2025-12-29 12:58:57

Decoding Base64

Time of First Successful Submission: 2025-12-29 13:14:33

Encoding Base64

Time of First Successful Submission: 2025-12-29 13:19:11

Dealing with Obfuscation

Time of First Successful Submission: 2025-12-29 13:25:42

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-12-29 13:34:59

Your First HTTP Request

Time of First Successful Submission: 2025-12-29 13:38:29

Reading Flask

Time of First Successful Submission: 2025-12-29 13:43:51

Commented Data

Time of First Successful Submission: 2025-12-29 13:45:49

HTTP Metadata

Time of First Successful Submission: 2025-12-29 13:48:11

HTTP (netcat)

Time of First Successful Submission: 2025-12-29 14:02:40

HTTP Paths (netcat)

Time of First Successful Submission: 2025-12-29 14:05:07

HTTP (curl)

Time of First Successful Submission: 2025-12-29 14:08:06

HTTP (python)

Time of First Successful Submission: 2025-12-29 14:11:49

HTTP Host Header (python)

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

HTTP Host Header (curl)

Time of First Successful Submission: 2025-12-29 20:30:13

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-12-29 20:33:27

URL Encoding (netcat)

Time of First Successful Submission: 2025-12-29 20:38:32

HTTP GET Parameters

Time of First Successful Submission: 2025-12-29 20:42:06

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-12-29 20:44:45

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-12-29 20:49:12

HTTP Forms

Time of First Successful Submission: 2025-12-29 20:58:08

HTTP Forms (curl)

Time of First Successful Submission: 2025-12-29 21:02:52

HTTP Forms (netcat)

Time of First Successful Submission: 2025-12-30 11:50:01

HTTP Forms (python)

Time of First Successful Submission: 2025-12-30 12:02:49

HTTP Forms Without Forms

Time of First Successful Submission: 2025-12-30 12:21:34

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-12-30 12:27:11

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-12-30 12:31:38

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-12-30 12:34:23

HTTP Redirects (curl)

Time of First Successful Submission: 2025-12-30 12:35:50

HTTP Redirects (python)

Time of First Successful Submission: 2025-12-30 12:37:47

HTTP Cookies (curl)

Time of First Successful Submission: 2025-12-30 12:45:09

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-12-30 12:49:38

HTTP Cookies (python)

Time of First Successful Submission: 2025-12-30 12:54:16

Server State (python)

Time of First Successful Submission: 2025-12-30 12:55:27

Listening Web

Time of First Successful Submission: 2025-12-30 12:59:29

Speaking Redirects

Time of First Successful Submission: 2025-12-30 13:07:57

JavaScript Redirects

Time of First Successful Submission: 2025-12-30 13:17:58

Including JavaScript

Time of First Successful Submission: 2025-12-30 13:33:17

HTTP (javascript)

Time of First Successful Submission: 2025-12-30 13:41:10

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-12-30 13:44:34

HTTP Forms (javascript)

Time of First Successful Submission: 2025-12-30 13:48:37

cat

Time of First Successful Submission: 2025-12-30 13:51:27

more

Time of First Successful Submission: 2025-12-30 13:51:49

less

Time of First Successful Submission: 2025-12-30 13:52:09

tail

Time of First Successful Submission: 2025-12-30 13:52:29

head

Time of First Successful Submission: 2025-12-30 13:52:51

sort

Time of First Successful Submission: 2025-12-30 13:53:10

vim

Time of First Successful Submission: 2025-12-30 13:53:31

emacs

Time of First Successful Submission: 2025-12-30 13:53:52

nano

Time of First Successful Submission: 2025-12-30 13:54:14

rev

Time of First Successful Submission: 2025-12-30 13:54:41

od

Time of First Successful Submission: 2025-12-30 13:58:26

hd

Time of First Successful Submission: 2025-12-30 13:59:16

xxd

Time of First Successful Submission: 2025-12-30 14:00:52

base32

Time of First Successful Submission: 2025-12-30 14:02:32

base64

Time of First Successful Submission: 2025-12-30 14:03:00

split

Time of First Successful Submission: 2025-12-30 14:03:47

gzip

Time of First Successful Submission: 2025-12-30 14:08:36

bzip2

Time of First Successful Submission: 2025-12-30 14:09:52

zip

Time of First Successful Submission: 2025-12-30 14:17:11

tar

Time of First Successful Submission: 2025-12-30 14:20:42

ar

Time of First Successful Submission: 2025-12-30 14:21:38

cpio

Time of First Successful Submission: 2025-12-31 14:03:25

genisoimage

Time of First Successful Submission: 2025-12-31 14:10:38

env

Time of First Successful Submission: 2025-12-31 14:12:55

find

Time of First Successful Submission: 2025-12-31 14:15:22

make

Time of First Successful Submission: 2025-12-31 14:19:55

nice

Time of First Successful Submission: 2025-12-31 14:21:24

timeout

Time of First Successful Submission: 2025-12-31 14:22:08

stdbuf

Time of First Successful Submission: 2025-12-31 14:24:50

setarch

Time of First Successful Submission: 2025-12-31 14:26:19

watch

Time of First Successful Submission: 2025-12-31 14:29:57

socat

Time of First Successful Submission: 2025-12-31 14:33:13

whiptail

Time of First Successful Submission: 2025-12-31 14:34:58

awk

Time of First Successful Submission: 2025-12-31 14:37:22

sed

Time of First Successful Submission: 2025-12-31 14:38:30

ed

Time of First Successful Submission: 2025-12-31 14:39:24

chown

Time of First Successful Submission: 2025-12-31 14:39:48

chmod

Time of First Successful Submission: 2025-12-31 14:40:14

cp

Time of First Successful Submission: 2025-12-31 14:41:30

mv

Time of First Successful Submission: 2026-01-02 11:10:19

perl

Time of First Successful Submission: 2026-01-02 11:11:48

python

Time of First Successful Submission: 2026-01-02 11:12:51

ruby

Time of First Successful Submission: 2026-01-02 11:14:33

bash

Time of First Successful Submission: 2026-01-02 11:16:58

date

Time of First Successful Submission: 2026-01-02 11:18:20

dmesg

Time of First Successful Submission: 2026-01-02 11:28:12

wc

Time of First Successful Submission: 2026-01-02 11:32:18

gcc

Time of First Successful Submission: 2026-01-02 11:40:08

as

Time of First Successful Submission: 2026-01-02 11:40:34

wget

Time of First Successful Submission: 2026-01-02 11:50:18

ssh-keygen

Time of First Successful Submission: 2026-01-02 12:05:45

SQL Queries

Time of First Successful Submission: 2026-01-02 12:09:19

Filtering SQL

Time of First Successful Submission: 2026-01-02 12:14:05

Choosing Columns

Time of First Successful Submission: 2026-01-02 12:15:44

Exclusionary Filtering

Time of First Successful Submission: 2026-01-02 12:17:49

Filtering Strings

Time of First Successful Submission: 2026-01-02 12:19:22

Filtering on Expressions

Time of First Successful Submission: 2026-01-02 12:20:52

SELECTing Expressions

Time of First Successful Submission: 2026-01-02 12:28:50

Composite Conditions

Time of First Successful Submission: 2026-01-02 12:30:29

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-02 12:31:45

Querying Metadata

Time of First Successful Submission: 2026-01-02 12:33:10


GCA CTF

10 / 104 18746 / 43529


Using the Terminal

Time of First Successful Submission: 2025-12-05 16:35:56

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-05 16:39:24

Using the GUI Desktop

Time of First Successful Submission: 2025-12-05 16:41:55

Pasting into the Desktop

Time of First Successful Submission: 2025-12-05 16:43:35

Restarting Challenges

Time of First Successful Submission: 2025-12-05 17:10:09

Challenge Programs

Time of First Successful Submission: 2025-12-05 17:11:00

The Flag File

Time of First Successful Submission: 2025-12-05 17:12:25

Using Privileged Mode

Time of First Successful Submission: 2025-12-06 12:42:44

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-06 12:45:16

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-06 12:46:10