akshithgandham

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-15 18:52:58

Command Arguments

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Command History

Time of First Successful Submission: 2026-01-15 18:54:09

The Root Path

Time of First Successful Submission: 2026-01-15 18:55:05

Absolute Paths

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Changing position

Time of First Successful Submission: 2026-01-15 19:08:57

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-15 19:11:16

Relative Paths

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Cat

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Ls

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Ls All

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Find

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Piping Echo

Time of First Successful Submission: 2026-01-15 20:43:33

Piping Stdout

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Piping Stdin

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Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-02-08 05:27:49

Path Traversal 2

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CMDi 1

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CMDi 2

Time of First Successful Submission: 2026-02-08 05:56:13

CMDi 3

Time of First Successful Submission: 2026-02-08 05:59:42

CMDi 4

Time of First Successful Submission: 2026-02-08 06:04:02

CMDi 5

Time of First Successful Submission: 2026-02-08 06:07:13

Authentication Bypass 1

Time of First Successful Submission: 2026-02-08 06:10:11

Authentication Bypass 2

Time of First Successful Submission: 2026-02-08 06:14:50

SQLi 1

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SQLi 2

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SQLi 3

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SQLi 4

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SQLi 5

Time of First Successful Submission: 2026-02-16 04:15:25

XSS 1

Time of First Successful Submission: 2026-02-16 00:42:46

XSS 2

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XSS 3

Time of First Successful Submission: 2026-02-16 01:24:15

XSS 4

Time of First Successful Submission: 2026-02-16 01:27:45

XSS 5

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XSS 6

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XSS 7

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CSRF 1

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CSRF 2

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CSRF 3

Time of First Successful Submission: 2026-02-16 03:41:42

CSRF 4

Time of First Successful Submission: 2026-02-16 05:23:13

CSRF 5

Time of First Successful Submission: 2026-02-16 05:29:18

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-10 15:06:26

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-10 15:14:28

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-03-10 15:48:43

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-10 16:13:48

Reading Endianness (C)

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Reading Endianness (x86)

Time of First Successful Submission: 2026-03-10 16:32:29

Version Information (Python)

Time of First Successful Submission: 2026-03-10 18:47:08

Version Information (C)

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Version Information (x86)

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Metadata and Data (Python)

Time of First Successful Submission: 2026-03-10 19:22:57

Metadata and Data (C)

Time of First Successful Submission: 2026-03-10 19:26:51

Metadata and Data (x86)

Time of First Successful Submission: 2026-03-10 19:41:43

Input Restrictions (Python)

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

Input Restrictions (C)

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Input Restrictions (x86)

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Behold the cIMG! (Python)

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Behold the cIMG! (C)

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Behold the cIMG! (x86)

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A Basic cIMG (Python)

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A Basic cIMG (C)

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A Basic cIMG (x86)

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Internal State Mini (C)

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Internal State Mini (x86)

Time of First Successful Submission: 2026-03-23 06:10:01

Internal State (C)

Time of First Successful Submission: 2026-03-23 06:45:45

Internal State (x86)

Time of First Successful Submission: 2026-03-24 00:57:01

File Formats: Directives (C)

Time of First Successful Submission: 2026-03-24 01:08:31

File Formats: Directives (x86)

Time of First Successful Submission: 2026-03-24 01:40:06

The Patch Directive

Time of First Successful Submission: 2026-03-24 12:19:03

Optimizing for Space

Time of First Successful Submission: 2026-03-24 15:20:02

Tweaking Images

Time of First Successful Submission: 2026-03-24 19:33:12

Storage and Retrieval

Time of First Successful Submission: 2026-03-26 00:01:51

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-29 07:55:52

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-29 07:57:31

Precision (easy)

Time of First Successful Submission: 2026-03-29 08:03:06

Precision (hard)

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Variable Control (easy)

Time of First Successful Submission: 2026-03-29 08:08:10

Variable Control (hard)

Time of First Successful Submission: 2026-03-29 08:38:21

Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 08:12:09

Control Hijack (hard)

Time of First Successful Submission: 2026-03-29 08:44:13

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 08:16:46

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-29 08:47:32

PIEs (easy)

Time of First Successful Submission: 2026-04-05 00:25:41

PIEs (hard)

Time of First Successful Submission: 2026-04-05 00:36:07

String Lengths (easy)

Time of First Successful Submission: 2026-04-05 03:36:47

String Lengths (hard)

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Start Here

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Using the Terminal

Time of First Successful Submission: 2026-01-15 06:21:16

Using the VSCode Workspace

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Using the GUI Desktop

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Pasting into the Desktop

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Restarting Challenges

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Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-15 18:52:58

Intro to Arguments

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Command History

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The Root

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Program and absolute paths

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Position thy self

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Position elsewhere

Time of First Successful Submission: 2026-01-15 19:11:16

implicit relative paths, from /

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explicit relative paths, from /

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implicit relative path

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home sweet home

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cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-15 19:17:27

catting absolute paths

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more catting practice

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grepping for a needle in a haystack

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comparing files

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listing files

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touching files

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removing files

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moving files

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copying files

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hidden files

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An Epic Filesystem Quest

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making directories

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finding files

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linking files

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Learning From Documentation

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Learning Complex Usage

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Reading Manuals

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Searching Manuals

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Searching For Manuals

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Helpful Programs

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Help for Builtins

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Matching with *

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Matching with ?

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Matching with []

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Matching paths with []

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Multiple globs

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Mixing globs

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Exclusionary globbing

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Tab completion

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Multiple options for tab completion

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Tab completion on commands

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Redirecting output

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Redirecting more output

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Appending output

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Redirecting errors

Time of First Successful Submission: 2026-01-15 20:46:55

Redirecting input

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Grepping stored results

Time of First Successful Submission: 2026-01-15 20:49:19

Grepping live output

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Grepping errors

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Filtering with grep -v

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Filtering with sed

Time of First Successful Submission: 2026-01-15 21:00:25

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-15 21:03:11

Process substitution for input

Time of First Successful Submission: 2026-01-15 21:05:37

Writing to multiple programs

Time of First Successful Submission: 2026-01-15 21:09:50

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-15 21:13:33

Named pipes

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Printing Variables

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Setting Variables

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Multi-word Variables

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Exporting Variables

Time of First Successful Submission: 2026-01-18 01:57:24

Printing Exported Variables

Time of First Successful Submission: 2026-01-18 01:59:00

Storing Command Output

Time of First Successful Submission: 2026-01-18 02:01:08

Reading Input

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Reading Files

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Translating characters

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Deleting characters

Time of First Successful Submission: 2026-01-18 02:13:22

Deleting newlines

Time of First Successful Submission: 2026-01-18 02:15:33

Extracting the first lines with head

Time of First Successful Submission: 2026-01-18 02:18:58

Extracting specific sections of text

Time of First Successful Submission: 2026-01-18 02:29:23

Sorting data

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Listing Processes

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Killing Processes

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Interrupting Processes

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Killing Misbehaving Processes

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Suspending Processes

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Resuming Processes

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Backgrounding Processes

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Foregrounding Processes

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Starting Backgrounded Processes

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Process Exit Codes

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Becoming root with su

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Other users with su

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Cracking passwords

Time of First Successful Submission: 2026-01-18 03:07:02

Using sudo

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Changing File Ownership

Time of First Successful Submission: 2026-01-18 03:09:42

Groups and Files

Time of First Successful Submission: 2026-01-18 03:11:20

Fun With Groups Names

Time of First Successful Submission: 2026-01-18 03:12:27

Changing Permissions

Time of First Successful Submission: 2026-01-18 03:14:30

Executable Files

Time of First Successful Submission: 2026-01-18 03:16:14

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-18 03:24:01

Permissions Setting Practice

Time of First Successful Submission: 2026-01-18 04:07:35

The SUID Bit

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Chaining with Semicolons

Time of First Successful Submission: 2026-01-18 04:09:26

Building on Success

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Handling Failure

Time of First Successful Submission: 2026-01-18 04:27:58

Your First Shell Script

Time of First Successful Submission: 2026-01-18 04:30:16

Redirecting Script Output

Time of First Successful Submission: 2026-01-18 07:02:12

Executable Shell Scripts

Time of First Successful Submission: 2026-01-18 07:04:48

Understanding Shebangs

Time of First Successful Submission: 2026-01-18 07:09:40

Scripting with Arguments

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Scripting with Conditionals

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Scripting with Default Cases

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Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-18 07:17:47

Reading Shell Scripts

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Launching Screen

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Detaching and Attaching

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Finding Sessions

Time of First Successful Submission: 2026-01-18 07:22:07

Switching Windows

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

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-18 07:24:04

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-18 07:26:55

The PATH Variable

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Setting PATH

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Finding Commands

Time of First Successful Submission: 2026-01-18 07:37:24

Adding Commands

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Hijacking Commands

Time of First Successful Submission: 2026-01-18 07:52:04

Bashrc Backdoor

Time of First Successful Submission: 2026-01-18 07:55:26

Sniffing Input

Time of First Successful Submission: 2026-01-18 08:09:41

Overshared Directories

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Tricky Linking

Time of First Successful Submission: 2026-01-18 08:20:24

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-18 08:24:39

Snooping on Configurations

Time of First Successful Submission: 2026-01-18 08:26:38

The Fork Bomb

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Disk-Space Doomsday

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rm -rf /

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Life after rm -rf /

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Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-18 09:12:30

Computing 101

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Your First Register

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Your First Syscall

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Exit Codes

Time of First Successful Submission: 2026-02-22 18:56:50

Building Executables

Time of First Successful Submission: 2026-02-22 19:00:47

Moving Between Registers

Time of First Successful Submission: 2026-02-22 19:02:30

Loading From Memory

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

More Loading Practice

Time of First Successful Submission: 2026-02-22 19:04:42

Dereferencing Pointers

Time of First Successful Submission: 2026-02-22 19:05:45

Dereferencing Yourself

Time of First Successful Submission: 2026-02-22 19:06:41

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-22 19:07:43

Stored Addresses

Time of First Successful Submission: 2026-02-22 19:09:01

Double Dereference

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The Stack

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Stack Offsets

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Program Arguments on the Stack

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Popping From the Stack

Time of First Successful Submission: 2026-02-22 19:19:00

Disassembling Programs

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

Tracing Syscalls

Time of First Successful Submission: 2026-02-22 19:24:20

Starting GDB

Time of First Successful Submission: 2026-02-22 19:25:21

Quitting GDB

Time of First Successful Submission: 2026-02-22 19:25:50

Starting Programs in GDB

Time of First Successful Submission: 2026-02-22 19:27:17

Disassembling in GDB

Time of First Successful Submission: 2026-02-22 19:29:11

Stepping Through Instructions

Time of First Successful Submission: 2026-02-22 19:30:22

Reading Register Values

Time of First Successful Submission: 2026-02-22 19:31:19

Popping Stack Values

Time of First Successful Submission: 2026-02-22 19:32:22

Examining Memory

Time of First Successful Submission: 2026-02-22 19:33:09

Examining Stack Pointers

Time of First Successful Submission: 2026-02-22 19:35:07

Cooperative Debugging

Time of First Successful Submission: 2026-02-22 19:38:20

Writing Output

Time of First Successful Submission: 2026-02-22 19:42:59

Chaining Syscalls

Time of First Successful Submission: 2026-02-22 19:44:22

Writing Strings

Time of First Successful Submission: 2026-02-22 19:46:17

Reading Data

Time of First Successful Submission: 2026-02-22 19:49:30

Opening Files

Time of First Successful Submission: 2026-02-22 19:52:32

Hardcoding the Filename

Time of First Successful Submission: 2026-02-22 19:55:13

Comparing Values

Time of First Successful Submission: 2026-02-22 20:00:15

Comparing Characters

Time of First Successful Submission: 2026-02-22 20:07:43

Conditional Control Flow

Time of First Successful Submission: 2026-02-22 20:13:11

Comparing Strings

Time of First Successful Submission: 2026-02-22 20:15:09

Reverse the Password

Time of First Successful Submission: 2026-02-22 20:18:38

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-22 20:23:59

Looping

Time of First Successful Submission: 2026-02-22 20:25:51

Reverse the Calculation

Time of First Successful Submission: 2026-02-22 20:27:53

Reverse the Reverse

Time of First Successful Submission: 2026-02-22 20:29:21

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-22 20:33:27

Loops on Data

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set-register

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set-multiple-registers

Time of First Successful Submission: 2026-02-22 20:40:09

add-to-register

Time of First Successful Submission: 2026-02-28 13:14:45

linear-equation-registers

Time of First Successful Submission: 2026-02-28 13:21:34

integer-division

Time of First Successful Submission: 2026-02-28 13:25:42

modulo-operation

Time of First Successful Submission: 2026-02-28 13:27:22

set-upper-byte

Time of First Successful Submission: 2026-02-28 13:29:22

efficient-modulo

Time of First Successful Submission: 2026-02-28 13:32:55

byte-extraction

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

bitwise-and

Time of First Successful Submission: 2026-03-01 20:24:24

check-even

Time of First Successful Submission: 2026-03-01 20:26:35

memory-read

Time of First Successful Submission: 2026-03-01 20:28:45

memory-write

Time of First Successful Submission: 2026-03-01 20:29:43

memory-increment

Time of First Successful Submission: 2026-03-01 20:32:13

byte-access

Time of First Successful Submission: 2026-03-01 20:40:45

memory-size-access

Time of First Successful Submission: 2026-03-01 20:42:36

little-endian-write

Time of First Successful Submission: 2026-03-01 20:46:17

memory-sum

Time of First Successful Submission: 2026-03-01 20:49:25

stack-subtraction

Time of First Successful Submission: 2026-03-01 20:51:01

swap-stack-values

Time of First Successful Submission: 2026-03-01 20:53:26

average-stack-values

Time of First Successful Submission: 2026-03-01 20:55:38

absolute-jump

Time of First Successful Submission: 2026-03-01 21:00:53

relative-jump

Time of First Successful Submission: 2026-03-01 21:15:00

jump-trampoline

Time of First Successful Submission: 2026-03-01 21:17:45

conditional-jump

Time of First Successful Submission: 2026-03-01 21:32:54

indirect-jump

Time of First Successful Submission: 2026-03-01 21:37:42

average-loop

Time of First Successful Submission: 2026-03-01 22:24:59

count-non-zero

Time of First Successful Submission: 2026-03-01 22:41:14

string-lower

Time of First Successful Submission: 2026-03-01 23:15:31

most-common-byte

Time of First Successful Submission: 2026-03-02 01:48:09

Exit

Time of First Successful Submission: 2026-03-02 05:57:39

Socket

Time of First Successful Submission: 2026-03-02 06:00:35

Bind

Time of First Successful Submission: 2026-03-02 06:03:13

Listen

Time of First Successful Submission: 2026-03-02 06:07:35

Accept

Time of First Successful Submission: 2026-03-02 06:10:43

Static Response

Time of First Successful Submission: 2026-03-02 06:17:20

Dynamic Response

Time of First Successful Submission: 2026-03-02 06:21:46

Iterative GET Server

Time of First Successful Submission: 2026-03-02 06:23:13

Concurrent GET Server

Time of First Successful Submission: 2026-03-02 06:28:45

Concurrent POST Server

Time of First Successful Submission: 2026-03-02 06:30:24

Web Server

Time of First Successful Submission: 2026-03-02 06:38:22

Debugging Programs

Time of First Successful Submission: 2026-03-02 01:56:37

Inspecting Registers

Time of First Successful Submission: 2026-03-02 01:58:35

Examining Memory

Time of First Successful Submission: 2026-03-02 05:09:22

Setting Breakpoints

Time of First Successful Submission: 2026-03-02 05:13:23

GDB Scripting

Time of First Successful Submission: 2026-03-02 05:28:55

Modifying Data

Time of First Successful Submission: 2026-03-02 05:36:04

Modifying Execution

Time of First Successful Submission: 2026-03-02 05:39:56

Broken Functions

Time of First Successful Submission: 2026-03-02 05:55:49

Playing With Programs

65 / 116 4327 / 23386

What's the password?

Time of First Successful Submission: 2026-01-26 03:15:07

... and again!

Time of First Successful Submission: 2026-01-26 03:16:05

Newline Troubles

Time of First Successful Submission: 2026-01-26 03:18:36

Reasoning about files

Time of First Successful Submission: 2026-01-26 03:22:08

Specifying Filenames

Time of First Successful Submission: 2026-01-26 03:24:22

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-26 03:26:17

More Hex

Time of First Successful Submission: 2026-01-26 03:28:06

Decoding Hex

Time of First Successful Submission: 2026-01-26 03:39:46

Decoding Practice

Time of First Successful Submission: 2026-01-26 03:53:18

Encoding Practice

Time of First Successful Submission: 2026-01-26 04:01:01

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-26 04:02:43

Nested Encoding

Time of First Successful Submission: 2026-01-26 04:08:49

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-26 04:12:23

UTF Mixups

Time of First Successful Submission: 2026-01-26 04:18:54

Modifying Encoded Data

Time of First Successful Submission: 2026-01-26 04:27:10

Decoding Base64

Time of First Successful Submission: 2026-01-26 04:29:32

Encoding Base64

Time of First Successful Submission: 2026-01-26 04:31:13

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-26 04:37:06

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-26 04:46:13

Your First HTTP Request

Time of First Successful Submission: 2026-01-26 04:48:16

Reading Flask

Time of First Successful Submission: 2026-01-26 04:57:35

Commented Data

Time of First Successful Submission: 2026-01-26 04:59:04

HTTP Metadata

Time of First Successful Submission: 2026-01-26 05:09:33

HTTP (netcat)

Time of First Successful Submission: 2026-01-26 05:12:41

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-26 05:15:44

HTTP (curl)

Time of First Successful Submission: 2026-01-26 05:18:26

HTTP (python)

Time of First Successful Submission: 2026-01-26 05:23:10

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-26 05:56:30

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-26 05:59:20

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-26 06:01:34

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-26 06:05:54

HTTP GET Parameters

Time of First Successful Submission: 2026-01-26 06:11:46

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-02-01 22:02:00

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-02-01 22:29:11

HTTP Forms

Time of First Successful Submission: 2026-02-01 22:33:13

HTTP Forms (curl)

Time of First Successful Submission: 2026-02-01 22:38:01

HTTP Forms (netcat)

Time of First Successful Submission: 2026-02-01 23:04:41

HTTP Forms (python)

Time of First Successful Submission: 2026-02-01 23:17:03

HTTP Forms Without Forms

Time of First Successful Submission: 2026-02-02 00:13:57

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-02-02 00:26:47

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-02-02 00:38:46

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-02-02 00:55:57

HTTP Redirects (curl)

Time of First Successful Submission: 2026-02-02 00:57:08

HTTP Redirects (python)

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

HTTP Cookies (curl)

Time of First Successful Submission: 2026-02-02 01:08:12

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-02-02 01:17:11

HTTP Cookies (python)

Time of First Successful Submission: 2026-02-02 01:20:09

Server State (python)

Time of First Successful Submission: 2026-02-02 01:29:47

Listening Web

Time of First Successful Submission: 2026-02-02 02:02:54

Speaking Redirects

Time of First Successful Submission: 2026-02-02 02:20:29

JavaScript Redirects

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

Including JavaScript

Time of First Successful Submission: 2026-02-02 02:58:41

HTTP (javascript)

Time of First Successful Submission: 2026-02-02 05:58:12

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-02-02 06:17:37

HTTP Forms (javascript)

Time of First Successful Submission: 2026-02-02 06:27:51

SQL Queries

Time of First Successful Submission: 2026-02-02 03:05:43

Filtering SQL

Time of First Successful Submission: 2026-02-02 03:19:54

Choosing Columns

Time of First Successful Submission: 2026-02-02 03:22:56

Exclusionary Filtering

Time of First Successful Submission: 2026-02-02 03:39:31

Filtering Strings

Time of First Successful Submission: 2026-02-02 03:43:20

Filtering on Expressions

Time of First Successful Submission: 2026-02-02 03:52:17

SELECTing Expressions

Time of First Successful Submission: 2026-02-02 04:22:30

Composite Conditions

Time of First Successful Submission: 2026-02-02 04:25:30

Reaching Your LIMITs

Time of First Successful Submission: 2026-02-02 04:31:34

Querying Metadata

Time of First Successful Submission: 2026-02-02 04:36:26

GCA CTF

5 / 104 32371 / 43656

Using the Terminal

Time of First Successful Submission: 2026-01-15 06:21:16

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-15 06:22:59

Using the GUI Desktop

Time of First Successful Submission: 2026-01-15 06:24:05

Pasting into the Desktop

Time of First Successful Submission: 2026-01-15 06:25:34

Restarting Challenges

Time of First Successful Submission: 2026-01-15 06:30:34