chouqette

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-03-19 21:33:43

Command Arguments

Time of First Successful Submission: 2026-03-19 21:34:18

Command History

Time of First Successful Submission: 2026-03-19 21:34:43

The Root Path

Time of First Successful Submission: 2026-03-19 21:36:00

Absolute Paths

Time of First Successful Submission: 2026-03-19 21:36:56

Changing position

Time of First Successful Submission: 2026-03-19 21:37:50

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-19 21:39:08

Relative Paths

Time of First Successful Submission: 2026-03-19 21:40:24

Cat

Time of First Successful Submission: 2026-03-19 21:46:07

Ls

Time of First Successful Submission: 2026-03-19 21:51:11

Ls All

Time of First Successful Submission: 2026-03-19 21:54:43

Find

Time of First Successful Submission: 2026-03-19 22:03:37

Piping Echo

Time of First Successful Submission: 2026-03-19 22:56:39

Piping Stdout

Time of First Successful Submission: 2026-03-19 22:57:43

Piping Stdin

Time of First Successful Submission: 2026-03-19 23:05:25

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-03-24 16:08:21

Path Traversal 2

Time of First Successful Submission: 2026-03-24 16:16:05

CMDi 1

Time of First Successful Submission: 2026-03-24 16:23:42

CMDi 2

Time of First Successful Submission: 2026-03-24 16:27:09

CMDi 3

Time of First Successful Submission: 2026-03-24 16:29:49

CMDi 4

Time of First Successful Submission: 2026-03-24 16:35:07

CMDi 5

Time of First Successful Submission: 2026-03-24 20:35:22

CMDi 6

Time of First Successful Submission: 2026-03-24 20:57:15

Authentication Bypass 1

Time of First Successful Submission: 2026-03-24 21:38:44

Authentication Bypass 2

Time of First Successful Submission: 2026-03-24 21:42:47

SQLi 1

Time of First Successful Submission: 2026-03-25 09:58:08

SQLi 2

Time of First Successful Submission: 2026-03-25 10:01:48

SQLi 3

Time of First Successful Submission: 2026-03-25 10:12:29

SQLi 4

Time of First Successful Submission: 2026-03-25 10:19:01

SQLi 5

Time of First Successful Submission: 2026-03-25 11:03:51

XSS 1

Time of First Successful Submission: 2026-03-25 11:29:33

XSS 2

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

XSS 3

Time of First Successful Submission: 2026-03-25 11:40:14

XSS 4

Time of First Successful Submission: 2026-03-25 11:46:41

XSS 5

Time of First Successful Submission: 2026-03-25 12:00:00

XSS 6

Time of First Successful Submission: 2026-03-25 12:03:54

XSS 7

Time of First Successful Submission: 2026-03-25 12:29:58

CSRF 1

Time of First Successful Submission: 2026-03-25 16:40:21

CSRF 2

Time of First Successful Submission: 2026-03-25 17:02:27

CSRF 3

Time of First Successful Submission: 2026-03-25 17:16:52

CSRF 4

Time of First Successful Submission: 2026-03-25 18:20:23

CSRF 5

Time of First Successful Submission: 2026-03-25 18:36:53

Connect

Time of First Successful Submission: 2026-03-25 20:48:38

Send

Time of First Successful Submission: 2026-03-25 20:50:43

Shutdown

Time of First Successful Submission: 2026-03-25 20:54:52

Listen

Time of First Successful Submission: 2026-03-25 20:55:52

Scan 1

Time of First Successful Submission: 2026-03-25 21:08:15

Scan 2

Time of First Successful Submission: 2026-03-25 21:18:06

Monitor 1

Time of First Successful Submission: 2026-03-25 21:20:40

Monitor 2

Time of First Successful Submission: 2026-03-25 21:24:00

Sniffing Cookies

Time of First Successful Submission: 2026-03-25 21:30:37

Network Configuration

Time of First Successful Submission: 2026-03-25 21:44:27

Firewall 1

Time of First Successful Submission: 2026-03-25 22:07:55

Firewall 2

Time of First Successful Submission: 2026-03-25 22:17:02

Firewall 3

Time of First Successful Submission: 2026-03-25 22:20:00

Denial of Service 1

Time of First Successful Submission: 2026-03-25 22:28:05

Denial of Service 2

Time of First Successful Submission: 2026-03-25 22:31:53

Denial of Service 3

Time of First Successful Submission: 2026-03-26 01:15:28

Ethernet

Time of First Successful Submission: 2026-03-26 01:40:38

IP

Time of First Successful Submission: 2026-03-26 10:31:48

TCP

Time of First Successful Submission: 2026-03-26 10:36:21

TCP Handshake

Time of First Successful Submission: 2026-03-26 10:39:39

UDP

Time of First Successful Submission: 2026-03-26 10:52:08

UDP 2

Time of First Successful Submission: 2026-03-26 10:54:32

UDP Spoofing 1

Time of First Successful Submission: 2026-03-26 11:00:35

UDP Spoofing 2

Time of First Successful Submission: 2026-03-26 11:11:54

UDP Spoofing 3

Time of First Successful Submission: 2026-03-26 11:44:24

UDP Spoofing 4

Time of First Successful Submission: 2026-03-26 12:04:23

ARP

Time of First Successful Submission: 2026-03-26 15:16:43

Intercept

Time of First Successful Submission: 2026-03-26 15:41:32

Man-in-the-Middle

Time of First Successful Submission: 2026-03-26 23:23:32

XOR

Time of First Successful Submission: 2026-04-04 11:56:29

XORing Hex

Time of First Successful Submission: 2026-04-04 11:59:14

XORing ASCII

Time of First Successful Submission: 2026-04-04 12:01:18

XORing ASCII Strings

Time of First Successful Submission: 2026-04-04 12:10:01

One-time Pad

Time of First Successful Submission: 2026-04-04 12:11:37

One-time Pad Tampering

Time of First Successful Submission: 2026-04-04 12:17:29

Many-time Pad

Time of First Successful Submission: 2026-04-04 12:21:47

AES

Time of First Successful Submission: 2026-04-04 12:28:28

AES-ECB-CPA

Time of First Successful Submission: 2026-04-04 13:42:21

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-04 14:23:27

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-04 15:19:44

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-04 15:32:18

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-04 16:17:04

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-04 16:22:29

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-04 16:30:06

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-04 17:07:41

AES-CBC

Time of First Successful Submission: 2026-04-04 17:25:56

AES-CBC Tampering

Time of First Successful Submission: 2026-04-04 17:41:09

AES-CBC Resizing

Time of First Successful Submission: 2026-04-04 17:47:46

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-04 19:53:00

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-04 21:00:33

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-04 21:55:41

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-06 11:49:30

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-06 11:51:21

DHKE

Time of First Successful Submission: 2026-04-06 12:03:50

DHKE-to-AES

Time of First Successful Submission: 2026-04-06 12:10:53

RSA 1

Time of First Successful Submission: 2026-04-06 12:42:42

RSA 2

Time of First Successful Submission: 2026-04-06 12:48:36

RSA 3

Time of First Successful Submission: 2026-04-06 12:50:10

RSA 4

Time of First Successful Submission: 2026-04-06 13:51:57

RSA Signatures

Time of First Successful Submission: 2026-04-06 14:42:47

SHA 1

Time of First Successful Submission: 2026-04-06 14:53:04

SHA 2

Time of First Successful Submission: 2026-04-06 15:04:49

TLS 1

Time of First Successful Submission: 2026-04-06 15:46:40

TLS 2

Time of First Successful Submission: 2026-04-06 18:02:14

level1

Time of First Successful Submission: 2026-04-06 20:20:12

level2

Time of First Successful Submission: 2026-04-06 20:20:43

level3

Time of First Successful Submission: 2026-04-06 20:21:32

level4

Time of First Successful Submission: 2026-04-06 20:22:11

level5

Time of First Successful Submission: 2026-04-06 20:22:47

level6

Time of First Successful Submission: 2026-04-06 20:24:21

level7

Time of First Successful Submission: 2026-04-06 20:25:06

level8

Time of First Successful Submission: 2026-04-06 20:25:49

level9

Time of First Successful Submission: 2026-04-06 20:26:38

level10

Time of First Successful Submission: 2026-04-06 20:29:43

level11

Time of First Successful Submission: 2026-04-06 20:32:09

level12

Time of First Successful Submission: 2026-04-06 20:34:57

level13

Time of First Successful Submission: 2026-04-06 20:36:07

level14

Time of First Successful Submission: 2026-04-06 20:47:33

level15

Time of First Successful Submission: 2026-04-06 20:48:27

level16

Time of First Successful Submission: 2026-04-06 20:49:57

level17

Time of First Successful Submission: 2026-04-06 22:08:04

level18

Time of First Successful Submission: 2026-04-06 22:15:45

level19

Time of First Successful Submission: 2026-04-06 22:18:28

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-08 14:00:12

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-08 14:16:10

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-08 14:25:14

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-08 14:26:54

Reading Endianness (C)

Time of First Successful Submission: 2026-04-08 14:28:21

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-08 14:29:37

Version Information (Python)

Time of First Successful Submission: 2026-04-08 14:33:36

Version Information (C)

Time of First Successful Submission: 2026-04-08 14:34:18

Version Information (x86)

Time of First Successful Submission: 2026-04-08 14:38:03

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-08 14:42:52

Metadata and Data (C)

Time of First Successful Submission: 2026-04-08 14:46:39

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-08 14:53:17

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-08 15:00:27

Input Restrictions (C)

Time of First Successful Submission: 2026-04-08 15:02:57

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-08 15:06:49

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-08 15:11:39

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-08 15:13:34

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-08 16:20:51

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-08 16:30:40

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-08 16:32:43

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-08 16:33:07

Internal State Mini (C)

Time of First Successful Submission: 2026-04-08 18:34:43

Internal State Mini (x86)

Time of First Successful Submission: 2026-04-08 18:42:20

Internal State (C)

Time of First Successful Submission: 2026-04-08 20:18:20

Internal State (x86)

Time of First Successful Submission: 2026-04-08 20:57:03

File Formats: Directives (C)

Time of First Successful Submission: 2026-04-08 21:14:36

File Formats: Directives (x86)

Time of First Successful Submission: 2026-04-08 21:47:41

Start Here

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Using the Terminal

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

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-20 11:14:18

Using the GUI Desktop

Time of First Successful Submission: 2025-12-20 11:15:54

Pasting into the Desktop

Time of First Successful Submission: 2025-12-20 11:17:18

Restarting Challenges

Time of First Successful Submission: 2025-12-20 11:27:17

Challenge Programs

Time of First Successful Submission: 2025-12-20 11:29:54

The Flag File

Time of First Successful Submission: 2025-12-20 11:31:58

Using Privileged Mode

Time of First Successful Submission: 2025-12-20 11:35:15

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-20 11:38:03

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-20 11:38:45

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-03-19 21:33:43

Intro to Arguments

Time of First Successful Submission: 2026-03-19 21:34:18

Command History

Time of First Successful Submission: 2026-03-19 21:34:43

The Root

Time of First Successful Submission: 2026-03-19 21:36:00

Program and absolute paths

Time of First Successful Submission: 2026-03-19 21:36:56

Position thy self

Time of First Successful Submission: 2026-03-19 21:37:50

Position elsewhere

Time of First Successful Submission: 2026-03-19 21:39:08

implicit relative paths, from /

Time of First Successful Submission: 2026-03-19 21:40:24

explicit relative paths, from /

Time of First Successful Submission: 2026-03-19 21:41:28

implicit relative path

Time of First Successful Submission: 2026-03-19 21:42:21

home sweet home

Time of First Successful Submission: 2026-03-19 21:45:01

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-19 21:46:07

catting absolute paths

Time of First Successful Submission: 2026-03-19 21:46:34

more catting practice

Time of First Successful Submission: 2026-03-19 21:47:16

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-19 21:48:09

comparing files

Time of First Successful Submission: 2026-03-19 21:50:18

listing files

Time of First Successful Submission: 2026-03-19 21:51:11

touching files

Time of First Successful Submission: 2026-03-19 21:52:08

removing files

Time of First Successful Submission: 2026-03-19 21:52:33

moving files

Time of First Successful Submission: 2026-03-19 21:53:24

copying files

Time of First Successful Submission: 2026-03-19 21:53:58

hidden files

Time of First Successful Submission: 2026-03-19 21:54:43

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-19 21:59:45

making directories

Time of First Successful Submission: 2026-03-19 22:00:39

finding files

Time of First Successful Submission: 2026-03-19 22:03:37

linking files

Time of First Successful Submission: 2026-03-19 22:08:33

Learning From Documentation

Time of First Successful Submission: 2026-03-19 22:21:39

Learning Complex Usage

Time of First Successful Submission: 2026-03-19 22:23:07

Reading Manuals

Time of First Successful Submission: 2026-03-19 22:28:34

Searching Manuals

Time of First Successful Submission: 2026-03-19 22:29:27

Searching For Manuals

Time of First Successful Submission: 2026-03-19 22:35:13

Helpful Programs

Time of First Successful Submission: 2026-03-19 22:36:52

Help for Builtins

Time of First Successful Submission: 2026-03-19 22:38:22

Matching with *

Time of First Successful Submission: 2026-03-19 22:41:49

Matching with ?

Time of First Successful Submission: 2026-03-19 22:42:42

Matching with []

Time of First Successful Submission: 2026-03-19 22:44:24

Matching paths with []

Time of First Successful Submission: 2026-03-19 22:45:31

Multiple globs

Time of First Successful Submission: 2026-03-19 22:47:04

Mixing globs

Time of First Successful Submission: 2026-03-19 22:48:59

Exclusionary globbing

Time of First Successful Submission: 2026-03-19 22:50:13

Tab completion

Time of First Successful Submission: 2026-03-19 22:51:51

Multiple options for tab completion

Time of First Successful Submission: 2026-03-19 22:53:32

Tab completion on commands

Time of First Successful Submission: 2026-03-19 22:54:06

Redirecting output

Time of First Successful Submission: 2026-03-19 22:56:39

Redirecting more output

Time of First Successful Submission: 2026-03-19 22:57:43

Appending output

Time of First Successful Submission: 2026-03-19 23:01:01

Redirecting errors

Time of First Successful Submission: 2026-03-19 23:03:05

Redirecting input

Time of First Successful Submission: 2026-03-19 23:05:25

Grepping stored results

Time of First Successful Submission: 2026-03-19 23:06:33

Grepping live output

Time of First Successful Submission: 2026-03-19 23:08:01

Grepping errors

Time of First Successful Submission: 2026-03-19 23:09:53

Filtering with grep -v

Time of First Successful Submission: 2026-03-19 23:10:48

Filtering with sed

Time of First Successful Submission: 2026-03-19 23:12:44

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-19 23:16:45

Process substitution for input

Time of First Successful Submission: 2026-03-19 23:32:28

Writing to multiple programs

Time of First Successful Submission: 2026-03-19 23:38:15

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-19 23:40:51

Named pipes

Time of First Successful Submission: 2026-03-19 23:46:30

Printing Variables

Time of First Successful Submission: 2026-03-19 23:48:44

Setting Variables

Time of First Successful Submission: 2026-03-19 23:50:23

Multi-word Variables

Time of First Successful Submission: 2026-03-19 23:51:31

Exporting Variables

Time of First Successful Submission: 2026-03-19 23:54:06

Printing Exported Variables

Time of First Successful Submission: 2026-03-19 23:54:44

Storing Command Output

Time of First Successful Submission: 2026-03-19 23:57:02

Reading Input

Time of First Successful Submission: 2026-03-19 23:58:51

Reading Files

Time of First Successful Submission: 2026-03-20 00:02:54

Translating characters

Time of First Successful Submission: 2026-03-20 00:06:28

Deleting characters

Time of First Successful Submission: 2026-03-20 00:08:27

Deleting newlines

Time of First Successful Submission: 2026-03-20 00:10:17

Extracting the first lines with head

Time of First Successful Submission: 2026-03-20 00:11:14

Extracting specific sections of text

Time of First Successful Submission: 2026-03-20 00:13:12

Sorting data

Time of First Successful Submission: 2026-03-20 00:14:58

Listing Processes

Time of First Successful Submission: 2026-03-20 10:16:24

Killing Processes

Time of First Successful Submission: 2026-03-20 10:18:21

Interrupting Processes

Time of First Successful Submission: 2026-03-20 10:19:36

Killing Misbehaving Processes

Time of First Successful Submission: 2026-03-20 10:25:22

Suspending Processes

Time of First Successful Submission: 2026-03-20 10:26:41

Resuming Processes

Time of First Successful Submission: 2026-03-20 10:27:43

Backgrounding Processes

Time of First Successful Submission: 2026-03-20 10:30:42

Foregrounding Processes

Time of First Successful Submission: 2026-03-20 10:31:36

Starting Backgrounded Processes

Time of First Successful Submission: 2026-03-20 10:32:41

Process Exit Codes

Time of First Successful Submission: 2026-03-20 10:33:59

Becoming root with su

Time of First Successful Submission: 2026-03-20 10:39:35

Other users with su

Time of First Successful Submission: 2026-03-20 10:41:01

Cracking passwords

Time of First Successful Submission: 2026-03-20 10:50:38

Using sudo

Time of First Successful Submission: 2026-03-20 10:56:57

Changing File Ownership

Time of First Successful Submission: 2026-03-20 11:09:10

Groups and Files

Time of First Successful Submission: 2026-03-20 11:12:33

Fun With Groups Names

Time of First Successful Submission: 2026-03-20 11:13:49

Changing Permissions

Time of First Successful Submission: 2026-03-20 11:28:57

Executable Files

Time of First Successful Submission: 2026-03-20 11:30:44

Permission Tweaking Practice

Time of First Successful Submission: 2026-03-20 11:37:05

Permissions Setting Practice

Time of First Successful Submission: 2026-03-20 11:42:46

The SUID Bit

Time of First Successful Submission: 2026-03-20 11:48:06

Chaining with Semicolons

Time of First Successful Submission: 2026-03-20 11:50:22

Building on Success

Time of First Successful Submission: 2026-03-20 11:52:13

Handling Failure

Time of First Successful Submission: 2026-03-20 11:53:54

Your First Shell Script

Time of First Successful Submission: 2026-03-20 11:56:38

Redirecting Script Output

Time of First Successful Submission: 2026-03-20 11:59:22

Executable Shell Scripts

Time of First Successful Submission: 2026-03-20 12:14:16

Understanding Shebangs

Time of First Successful Submission: 2026-03-20 12:18:02

Scripting with Arguments

Time of First Successful Submission: 2026-03-20 12:19:58

Scripting with Conditionals

Time of First Successful Submission: 2026-03-20 12:23:26

Scripting with Default Cases

Time of First Successful Submission: 2026-03-20 12:26:50

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-20 12:29:17

Reading Shell Scripts

Time of First Successful Submission: 2026-03-20 12:31:22

Launching Screen

Time of First Successful Submission: 2026-03-20 12:33:52

Detaching and Attaching

Time of First Successful Submission: 2026-03-20 12:36:30

Finding Sessions

Time of First Successful Submission: 2026-03-20 12:38:22

Switching Windows

Time of First Successful Submission: 2026-03-20 12:40:39

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-20 12:43:25

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-20 12:44:47

The PATH Variable

Time of First Successful Submission: 2026-03-20 12:47:28

Setting PATH

Time of First Successful Submission: 2026-03-20 12:49:30

Finding Commands

Time of First Successful Submission: 2026-03-20 12:51:19

Adding Commands

Time of First Successful Submission: 2026-03-20 12:56:44

Hijacking Commands

Time of First Successful Submission: 2026-03-20 12:58:35

Bashrc Backdoor

Time of First Successful Submission: 2026-03-20 13:08:10

Sniffing Input

Time of First Successful Submission: 2026-03-20 13:13:56

Overshared Directories

Time of First Successful Submission: 2026-03-20 13:19:47

Tricky Linking

Time of First Successful Submission: 2026-03-20 13:27:34

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-20 13:31:18

Snooping on Configurations

Time of First Successful Submission: 2026-03-20 13:34:11

The Fork Bomb

Time of First Successful Submission: 2026-03-20 13:45:47

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-20 13:49:23

rm -rf /

Time of First Successful Submission: 2026-03-20 13:53:33

Life after rm -rf /

Time of First Successful Submission: 2026-03-20 13:56:33

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-20 14:00:00

Computing 101

94 / 94 292 / 21987

Your First Register

Time of First Successful Submission: 2026-03-20 14:23:10

Your First Syscall

Time of First Successful Submission: 2026-03-20 14:27:03

Exit Codes

Time of First Successful Submission: 2026-03-20 14:29:01

Building Executables

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

Moving Between Registers

Time of First Successful Submission: 2026-03-20 14:58:41

Loading From Memory

Time of First Successful Submission: 2026-03-20 15:33:00

More Loading Practice

Time of First Successful Submission: 2026-03-20 15:34:02

Dereferencing Pointers

Time of First Successful Submission: 2026-03-20 15:36:59

Dereferencing Yourself

Time of First Successful Submission: 2026-03-20 15:38:26

Dereferencing with Offsets

Time of First Successful Submission: 2026-03-20 15:40:50

Stored Addresses

Time of First Successful Submission: 2026-03-20 15:43:36

Double Dereference

Time of First Successful Submission: 2026-03-20 15:46:35

The Stack

Time of First Successful Submission: 2026-03-20 15:52:38

Stack Offsets

Time of First Successful Submission: 2026-03-20 15:54:17

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-20 15:58:09

Popping From the Stack

Time of First Successful Submission: 2026-03-20 16:00:14

Disassembling Programs

Time of First Successful Submission: 2026-03-20 16:28:21

Tracing Syscalls

Time of First Successful Submission: 2026-03-20 16:32:55

Starting GDB

Time of First Successful Submission: 2026-03-20 16:34:46

Quitting GDB

Time of First Successful Submission: 2026-03-20 16:35:39

Starting Programs in GDB

Time of First Successful Submission: 2026-03-20 16:38:17

Disassembling in GDB

Time of First Successful Submission: 2026-03-20 16:39:05

Stepping Through Instructions

Time of First Successful Submission: 2026-03-20 16:40:32

Reading Register Values

Time of First Successful Submission: 2026-03-20 16:41:42

Popping Stack Values

Time of First Successful Submission: 2026-03-20 16:45:06

Examining Memory

Time of First Successful Submission: 2026-03-20 16:47:01

Examining Stack Pointers

Time of First Successful Submission: 2026-03-20 16:49:50

Cooperative Debugging

Time of First Successful Submission: 2026-03-20 16:56:31

Writing Output

Time of First Successful Submission: 2026-03-20 17:12:53

Chaining Syscalls

Time of First Successful Submission: 2026-03-20 17:14:06

Writing Strings

Time of First Successful Submission: 2026-03-20 17:14:55

Reading Data

Time of First Successful Submission: 2026-03-20 17:19:17

Opening Files

Time of First Successful Submission: 2026-03-20 17:22:43

Hardcoding the Filename

Time of First Successful Submission: 2026-03-20 17:26:50

Comparing Values

Time of First Successful Submission: 2026-03-20 17:39:55

Comparing Characters

Time of First Successful Submission: 2026-03-20 17:49:02

Conditional Control Flow

Time of First Successful Submission: 2026-03-20 17:54:26

Comparing Strings

Time of First Successful Submission: 2026-03-20 17:57:08

Reverse the Password

Time of First Successful Submission: 2026-03-20 18:04:00

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-20 18:15:01

Looping

Time of First Successful Submission: 2026-03-20 18:19:11

Reverse the Calculation

Time of First Successful Submission: 2026-03-20 18:24:45

Reverse the Reverse

Time of First Successful Submission: 2026-03-20 18:25:48

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-03-20 18:27:42

Loops on Data

Time of First Successful Submission: 2026-03-20 18:29:16

set-register

Time of First Successful Submission: 2026-03-20 18:46:01

set-multiple-registers

Time of First Successful Submission: 2026-03-20 18:46:54

add-to-register

Time of First Successful Submission: 2026-03-20 18:47:31

linear-equation-registers

Time of First Successful Submission: 2026-03-20 18:49:15

integer-division

Time of First Successful Submission: 2026-03-20 19:53:18

modulo-operation

Time of First Successful Submission: 2026-03-20 19:54:35

set-upper-byte

Time of First Successful Submission: 2026-03-20 19:56:52

efficient-modulo

Time of First Successful Submission: 2026-03-20 20:00:04

byte-extraction

Time of First Successful Submission: 2026-03-20 20:57:49

bitwise-and

Time of First Successful Submission: 2026-03-20 21:01:48

check-even

Time of First Successful Submission: 2026-03-20 21:07:52

memory-read

Time of First Successful Submission: 2026-03-20 21:17:26

memory-write

Time of First Successful Submission: 2026-03-20 21:20:21

memory-increment

Time of First Successful Submission: 2026-03-20 21:22:57

byte-access

Time of First Successful Submission: 2026-03-20 21:24:26

memory-size-access

Time of First Successful Submission: 2026-03-20 21:26:06

little-endian-write

Time of First Successful Submission: 2026-03-20 21:30:35

memory-sum

Time of First Successful Submission: 2026-03-20 21:32:58

stack-subtraction

Time of First Successful Submission: 2026-03-20 21:36:17

swap-stack-values

Time of First Successful Submission: 2026-03-20 21:37:34

average-stack-values

Time of First Successful Submission: 2026-03-20 21:40:52

absolute-jump

Time of First Successful Submission: 2026-03-20 21:57:47

relative-jump

Time of First Successful Submission: 2026-03-20 22:16:55

jump-trampoline

Time of First Successful Submission: 2026-03-20 22:19:29

conditional-jump

Time of First Successful Submission: 2026-03-20 22:40:31

indirect-jump

Time of First Successful Submission: 2026-03-20 23:00:00

average-loop

Time of First Successful Submission: 2026-03-20 23:06:59

count-non-zero

Time of First Successful Submission: 2026-03-20 23:12:07

string-lower

Time of First Successful Submission: 2026-03-21 00:12:49

most-common-byte

Time of First Successful Submission: 2026-03-21 01:03:55

Exit

Time of First Successful Submission: 2026-03-21 09:49:53

Socket

Time of First Successful Submission: 2026-03-21 09:57:12

Bind

Time of First Successful Submission: 2026-03-21 10:47:58

Listen

Time of First Successful Submission: 2026-03-21 11:04:28

Accept

Time of First Successful Submission: 2026-03-21 11:17:10

Static Response

Time of First Successful Submission: 2026-03-21 11:34:06

Dynamic Response

Time of First Successful Submission: 2026-03-21 12:02:07

Iterative GET Server

Time of First Successful Submission: 2026-03-21 12:22:42

Concurrent GET Server

Time of First Successful Submission: 2026-03-21 12:51:59

Concurrent POST Server

Time of First Successful Submission: 2026-03-21 13:31:32

Web Server

Time of First Successful Submission: 2026-03-21 16:03:31

Debugging Programs

Time of First Successful Submission: 2026-03-21 16:11:38

Inspecting Registers

Time of First Successful Submission: 2026-03-21 16:13:11

Examining Memory

Time of First Successful Submission: 2026-03-21 16:42:00

Setting Breakpoints

Time of First Successful Submission: 2026-03-21 16:52:28

GDB Scripting

Time of First Successful Submission: 2026-03-21 17:15:43

Modifying Data

Time of First Successful Submission: 2026-03-21 17:23:17

Modifying Execution

Time of First Successful Submission: 2026-03-21 17:28:34

Broken Functions

Time of First Successful Submission: 2026-03-21 18:18:11

Playing With Programs

116 / 116 835 / 23580

What's the password?

Time of First Successful Submission: 2026-03-21 18:48:06

... and again!

Time of First Successful Submission: 2026-03-21 18:48:33

Newline Troubles

Time of First Successful Submission: 2026-03-21 18:50:33

Reasoning about files

Time of First Successful Submission: 2026-03-21 18:52:50

Specifying Filenames

Time of First Successful Submission: 2026-03-21 18:54:00

Binary and Hex Encoding

Time of First Successful Submission: 2026-03-21 18:58:04

More Hex

Time of First Successful Submission: 2026-03-21 18:59:08

Decoding Hex

Time of First Successful Submission: 2026-03-21 19:02:09

Decoding Practice

Time of First Successful Submission: 2026-03-21 19:04:58

Encoding Practice

Time of First Successful Submission: 2026-03-21 19:07:04

Hex-encoding ASCII

Time of First Successful Submission: 2026-03-21 20:28:00

Nested Encoding

Time of First Successful Submission: 2026-03-21 20:39:18

Hex-encoding UTF-8

Time of First Successful Submission: 2026-03-21 20:48:15

UTF Mixups

Time of First Successful Submission: 2026-03-21 23:32:34

Modifying Encoded Data

Time of First Successful Submission: 2026-03-21 23:41:42

Decoding Base64

Time of First Successful Submission: 2026-03-21 23:50:03

Encoding Base64

Time of First Successful Submission: 2026-03-21 23:51:35

Dealing with Obfuscation

Time of First Successful Submission: 2026-03-21 23:59:24

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-03-22 00:26:07

Your First HTTP Request

Time of First Successful Submission: 2026-03-22 10:56:33

Reading Flask

Time of First Successful Submission: 2026-03-22 10:58:39

Commented Data

Time of First Successful Submission: 2026-03-22 11:07:16

HTTP Metadata

Time of First Successful Submission: 2026-03-22 11:08:51

HTTP (netcat)

Time of First Successful Submission: 2026-03-22 11:11:17

HTTP Paths (netcat)

Time of First Successful Submission: 2026-03-22 11:26:22

HTTP (curl)

Time of First Successful Submission: 2026-03-22 11:27:00

HTTP (python)

Time of First Successful Submission: 2026-03-22 11:21:09

HTTP Host Header (python)

Time of First Successful Submission: 2026-03-22 11:35:58

HTTP Host Header (curl)

Time of First Successful Submission: 2026-03-22 11:37:08

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-03-22 11:42:54

URL Encoding (netcat)

Time of First Successful Submission: 2026-03-22 11:45:26

HTTP GET Parameters

Time of First Successful Submission: 2026-03-22 11:55:30

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-03-22 11:58:42

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-03-22 12:00:53

HTTP Forms

Time of First Successful Submission: 2026-03-22 12:03:26

HTTP Forms (curl)

Time of First Successful Submission: 2026-03-22 12:10:08

HTTP Forms (netcat)

Time of First Successful Submission: 2026-03-22 12:16:12

HTTP Forms (python)

Time of First Successful Submission: 2026-03-22 12:20:16

HTTP Forms Without Forms

Time of First Successful Submission: 2026-03-22 12:30:50

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-03-22 12:47:31

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-03-22 12:52:44

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-03-22 12:56:18

HTTP Redirects (curl)

Time of First Successful Submission: 2026-03-22 13:00:38

HTTP Redirects (python)

Time of First Successful Submission: 2026-03-22 13:02:40

HTTP Cookies (curl)

Time of First Successful Submission: 2026-03-22 13:29:29

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-03-22 13:30:47

HTTP Cookies (python)

Time of First Successful Submission: 2026-03-22 13:34:32

Server State (python)

Time of First Successful Submission: 2026-03-22 13:36:05

Listening Web

Time of First Successful Submission: 2026-03-22 13:38:30

Speaking Redirects

Time of First Successful Submission: 2026-03-22 13:46:48

JavaScript Redirects

Time of First Successful Submission: 2026-03-22 14:03:25

Including JavaScript

Time of First Successful Submission: 2026-03-22 14:23:36

HTTP (javascript)

Time of First Successful Submission: 2026-03-22 14:33:31

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-03-22 14:37:30

HTTP Forms (javascript)

Time of First Successful Submission: 2026-03-22 14:45:43

cat

Time of First Successful Submission: 2026-03-22 20:56:35

more

Time of First Successful Submission: 2026-03-22 20:56:54

less

Time of First Successful Submission: 2026-03-22 20:57:14

tail

Time of First Successful Submission: 2026-03-22 20:57:37

head

Time of First Successful Submission: 2026-03-22 20:57:55

sort

Time of First Successful Submission: 2026-03-22 20:58:14

vim

Time of First Successful Submission: 2026-03-22 20:58:36

emacs

Time of First Successful Submission: 2026-03-22 20:59:01

nano

Time of First Successful Submission: 2026-03-22 20:59:24

rev

Time of First Successful Submission: 2026-03-22 20:59:49

od

Time of First Successful Submission: 2026-03-22 21:09:54

hd

Time of First Successful Submission: 2026-03-22 21:17:24

xxd

Time of First Successful Submission: 2026-03-22 21:17:47

base32

Time of First Successful Submission: 2026-03-22 21:18:10

base64

Time of First Successful Submission: 2026-03-22 21:18:34

split

Time of First Successful Submission: 2026-03-22 21:20:07

gzip

Time of First Successful Submission: 2026-03-22 21:21:15

bzip2

Time of First Successful Submission: 2026-03-22 21:21:54

zip

Time of First Successful Submission: 2026-03-22 21:26:54

tar

Time of First Successful Submission: 2026-03-22 21:29:22

ar

Time of First Successful Submission: 2026-03-22 21:34:19

cpio

Time of First Successful Submission: 2026-03-22 21:35:15

genisoimage

Time of First Successful Submission: 2026-03-22 21:40:31

env

Time of First Successful Submission: 2026-03-22 21:42:25

find

Time of First Successful Submission: 2026-03-22 21:43:04

make

Time of First Successful Submission: 2026-03-22 21:44:59

nice

Time of First Successful Submission: 2026-03-22 21:46:01

timeout

Time of First Successful Submission: 2026-03-22 21:47:01

stdbuf

Time of First Successful Submission: 2026-03-22 21:48:04

setarch

Time of First Successful Submission: 2026-03-22 21:50:26

watch

Time of First Successful Submission: 2026-03-22 21:51:54

socat

Time of First Successful Submission: 2026-03-22 21:56:15

whiptail

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

awk

Time of First Successful Submission: 2026-03-22 22:05:21

sed

Time of First Successful Submission: 2026-03-22 22:05:58

ed

Time of First Successful Submission: 2026-03-22 22:09:08

chown

Time of First Successful Submission: 2026-03-22 22:09:43

chmod

Time of First Successful Submission: 2026-03-22 22:10:06

cp

Time of First Successful Submission: 2026-03-22 22:12:37

mv

Time of First Successful Submission: 2026-03-22 22:41:42

perl

Time of First Successful Submission: 2026-03-22 22:44:49

python

Time of First Successful Submission: 2026-03-22 22:46:54

ruby

Time of First Successful Submission: 2026-03-22 22:51:59

bash

Time of First Successful Submission: 2026-03-22 22:54:09

date

Time of First Successful Submission: 2026-03-22 22:55:02

dmesg

Time of First Successful Submission: 2026-03-22 22:55:44

wc

Time of First Successful Submission: 2026-03-22 22:56:52

gcc

Time of First Successful Submission: 2026-03-22 22:59:21

as

Time of First Successful Submission: 2026-03-22 22:59:47

wget

Time of First Successful Submission: 2026-03-22 23:24:17

ssh-keygen

Time of First Successful Submission: 2026-03-22 23:48:32

SQL Queries

Time of First Successful Submission: 2026-03-23 00:06:32

Filtering SQL

Time of First Successful Submission: 2026-03-23 00:09:43

Choosing Columns

Time of First Successful Submission: 2026-03-23 00:10:51

Exclusionary Filtering

Time of First Successful Submission: 2026-03-23 00:11:55

Filtering Strings

Time of First Successful Submission: 2026-03-23 00:13:09

Filtering on Expressions

Time of First Successful Submission: 2026-03-23 00:14:57

SELECTing Expressions

Time of First Successful Submission: 2026-03-23 00:40:17

Composite Conditions

Time of First Successful Submission: 2026-03-23 00:41:57

Reaching Your LIMITs

Time of First Successful Submission: 2026-03-23 00:44:03

Querying Metadata

Time of First Successful Submission: 2026-03-23 00:45:56

GCA CTF

12 / 104 766 / 44582

Using the Terminal

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

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-20 11:14:18

Using the GUI Desktop

Time of First Successful Submission: 2025-12-20 11:15:54

Pasting into the Desktop

Time of First Successful Submission: 2025-12-20 11:17:18

Connecting over SSH

Time of First Successful Submission: 2025-12-20 11:24:44

Restarting Challenges

Time of First Successful Submission: 2025-12-20 11:27:17

Getting Help

Time of First Successful Submission: 2025-12-20 11:28:40

Challenge Programs

Time of First Successful Submission: 2025-12-20 11:29:54

The Flag File

Time of First Successful Submission: 2025-12-20 11:31:58

Using Privileged Mode

Time of First Successful Submission: 2025-12-20 11:35:15

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-20 11:38:03

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-20 11:38:45