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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-10-31 17:54:36

Command Arguments

Time of First Successful Submission: 2026-10-31 19:06:38

Command History

Time of First Successful Submission: 2026-10-31 18:26:10

The Root Path

Time of First Successful Submission: 2026-10-31 18:08:39

Absolute Paths

Time of First Successful Submission: 2026-10-31 18:09:04

Changing position

Time of First Successful Submission: 2026-10-31 18:09:29

Changing to an Absolute Path

Time of First Successful Submission: 2026-10-31 18:04:32

Relative Paths

Time of First Successful Submission: 2026-10-31 18:12:23

Cat

Time of First Successful Submission: 2026-10-31 18:33:21

Ls

Time of First Successful Submission: 2026-10-31 20:48:08

Ls All

Time of First Successful Submission: 2026-10-31 23:01:26

Find

Time of First Successful Submission: 2026-10-31 20:45:40

Piping Echo

Time of First Successful Submission: 2026-10-31 18:18:49

Piping Stdout

Time of First Successful Submission: 2026-10-31 18:19:18

Piping Stdin

Time of First Successful Submission: 2026-10-31 19:42:53


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-10-31 16:13:24

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-31 16:26:55

Using the GUI Desktop

Time of First Successful Submission: 2026-10-31 16:37:37

Pasting into the Desktop

Time of First Successful Submission: 2026-10-31 16:43:26

Restarting Challenges

Time of First Successful Submission: 2026-10-31 16:57:18

Challenge Programs

Time of First Successful Submission: 2026-10-31 16:43:56

The Flag File

Time of First Successful Submission: 2026-10-31 16:41:35

Using Privileged Mode

Time of First Successful Submission: 2026-10-31 16:51:40

Persistent Home Directories - One

Time of First Successful Submission: 2026-10-31 16:51:33

Persistent Home Directories - Two

Time of First Successful Submission: 2026-10-31 16:52:52


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-10-31 17:54:36

Intro to Arguments

Time of First Successful Submission: 2026-10-31 19:06:38

Command History

Time of First Successful Submission: 2026-10-31 18:26:10

The Root

Time of First Successful Submission: 2026-10-31 18:08:39

Program and absolute paths

Time of First Successful Submission: 2026-10-31 18:09:04

Position thy self

Time of First Successful Submission: 2026-10-31 18:09:29

Position elsewhere

Time of First Successful Submission: 2026-10-31 18:04:32

implicit relative paths, from /

Time of First Successful Submission: 2026-10-31 18:12:23

explicit relative paths, from /

Time of First Successful Submission: 2026-10-31 18:10:17

implicit relative path

Time of First Successful Submission: 2026-10-31 18:10:42

home sweet home

Time of First Successful Submission: 2026-10-31 18:13:00

cat: not the pet, but the command!

Time of First Successful Submission: 2026-10-31 18:33:21

catting absolute paths

Time of First Successful Submission: 2026-10-31 18:33:50

more catting practice

Time of First Successful Submission: 2026-10-31 18:45:28

grepping for a needle in a haystack

Time of First Successful Submission: 2026-10-31 20:46:29

comparing files

Time of First Successful Submission: 2026-10-31 20:39:11

listing files

Time of First Successful Submission: 2026-10-31 20:48:08

touching files

Time of First Successful Submission: 2026-10-31 19:58:29

removing files

Time of First Successful Submission: 2026-10-31 19:57:46

moving files

Time of First Successful Submission: 2026-10-31 19:57:04

copying files

Time of First Successful Submission: 2026-10-31 20:38:23

hidden files

Time of First Successful Submission: 2026-10-31 23:01:26

An Epic Filesystem Quest

Time of First Successful Submission: 2026-11-01 03:52:47

making directories

Time of First Successful Submission: 2026-10-31 23:03:10

finding files

Time of First Successful Submission: 2026-10-31 20:45:40

linking files

Time of First Successful Submission: 2026-10-31 20:47:16

Learning From Documentation

Time of First Successful Submission: 2026-10-31 19:01:23

Learning Complex Usage

Time of First Successful Submission: 2026-10-31 19:22:55

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

Time of First Successful Submission: 2026-10-31 19:24:33

Exclusionary globbing

Time of First Successful Submission: 2026-10-31 19:29:55

Tab completion

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Multiple options for tab completion

Time of First Successful Submission: 2026-10-31 20:01:23

Tab completion on commands

Time of First Successful Submission: 2026-10-31 20:00:39

Redirecting output

Time of First Successful Submission: 2026-10-31 18:18:49

Redirecting more output

Time of First Successful Submission: 2026-10-31 18:19:18

Appending output

Time of First Successful Submission: 2026-10-31 18:19:45

Redirecting errors

Time of First Successful Submission: 2026-10-31 20:09:16

Redirecting input

Time of First Successful Submission: 2026-10-31 19:42:53

Grepping stored results

Time of First Successful Submission: 2026-10-31 20:07:08

Grepping live output

Time of First Successful Submission: 2026-10-31 19:34:45

Grepping errors

Time of First Successful Submission: 2026-10-31 20:08:34

Filtering with grep -v

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

Filtering with sed

Time of First Successful Submission: 2026-10-31 20:07:50

Duplicating piped data with tee

Time of First Successful Submission: 2026-11-01 02:28:34

Process substitution for input

Time of First Successful Submission: 2026-11-01 02:21:06

Writing to multiple programs

Time of First Successful Submission: 2026-10-31 20:06:25

Split-piping stderr and stdout

Time of First Successful Submission: 2026-10-31 20:02:07

Named pipes

Time of First Successful Submission: 2026-10-31 20:02:51

Printing Variables

Time of First Successful Submission: 2026-11-01 01:42:27

Setting Variables

Time of First Successful Submission: 2026-11-01 01:41:14

Multi-word Variables

Time of First Successful Submission: 2026-11-01 01:41:38

Exporting Variables

Time of First Successful Submission: 2026-11-01 02:16:46

Printing Exported Variables

Time of First Successful Submission: 2026-11-01 01:42:51

Storing Command Output

Time of First Successful Submission: 2026-11-01 01:43:29

Reading Input

Time of First Successful Submission: 2026-11-01 02:15:41

Reading Files

Time of First Successful Submission: 2026-11-01 01:42:02

Translating characters

Time of First Successful Submission: 2026-11-01 02:18:59

Deleting characters

Time of First Successful Submission: 2026-11-01 00:54:39

Deleting newlines

Time of First Successful Submission: 2026-10-31 23:08:46

Extracting the first lines with head

Time of First Successful Submission: 2026-11-01 00:52:12

Extracting specific sections of text

Time of First Successful Submission: 2026-10-31 23:06:09

Sorting data

Time of First Successful Submission: 2026-11-01 02:18:35

Listing Processes

Time of First Successful Submission: 2026-11-01 02:04:33

Killing Processes

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Interrupting Processes

Time of First Successful Submission: 2026-11-01 01:46:07

Killing Misbehaving Processes

Time of First Successful Submission: 2026-11-01 02:05:49

Suspending Processes

Time of First Successful Submission: 2026-11-01 02:23:57

Resuming Processes

Time of First Successful Submission: 2026-11-01 01:48:16

Backgrounding Processes

Time of First Successful Submission: 2026-11-01 02:10:03

Foregrounding Processes

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Starting Backgrounded Processes

Time of First Successful Submission: 2026-11-01 01:45:43

Process Exit Codes

Time of First Successful Submission: 2026-11-01 02:03:07

Becoming root with su

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Other users with su

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Cracking passwords

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

Using sudo

Time of First Successful Submission: 2026-11-01 01:44:19

Changing File Ownership

Time of First Successful Submission: 2026-11-01 00:01:31

Groups and Files

Time of First Successful Submission: 2026-10-31 23:51:16

Fun With Groups Names

Time of First Successful Submission: 2026-10-31 23:50:27

Changing Permissions

Time of First Successful Submission: 2026-10-31 23:52:55

Executable Files

Time of First Successful Submission: 2026-11-01 00:02:19

Permission Tweaking Practice

Time of First Successful Submission: 2026-10-31 23:57:13

Permissions Setting Practice

Time of First Successful Submission: 2026-10-31 23:52:05

The SUID Bit

Time of First Successful Submission: 2026-11-01 02:20:08

Chaining with Semicolons

Time of First Successful Submission: 2026-10-31 20:34:34

Building on Success

Time of First Successful Submission: 2026-10-31 20:11:10

Handling Failure

Time of First Successful Submission: 2026-10-31 20:13:19

Your First Shell Script

Time of First Successful Submission: 2026-10-31 20:33:44

Redirecting Script Output

Time of First Successful Submission: 2026-10-31 20:32:56

Executable Shell Scripts

Time of First Successful Submission: 2026-10-31 20:12:14

Understanding Shebangs

Time of First Successful Submission: 2026-10-31 20:35:21

Scripting with Arguments

Time of First Successful Submission: 2026-10-31 20:29:45

Scripting with Conditionals

Time of First Successful Submission: 2026-10-31 20:32:07

Scripting with Default Cases

Time of First Successful Submission: 2026-10-31 20:31:19

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-10-31 20:30:33

Reading Shell Scripts

Time of First Successful Submission: 2026-10-31 20:14:23

Launching Screen

Time of First Successful Submission: 2026-11-01 02:47:37

Detaching and Attaching

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Finding Sessions

Time of First Successful Submission: 2026-11-01 02:46:43

Switching Windows

Time of First Successful Submission: 2026-11-01 02:49:18

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-11-01 03:14:14

Switching Windows (tmux)

Time of First Successful Submission: 2026-11-01 02:48:27

The PATH Variable

Time of First Successful Submission: 2026-10-31 18:06:29

Setting PATH

Time of First Successful Submission: 2026-10-31 18:06:53

Finding Commands

Time of First Successful Submission: 2026-10-31 18:07:41

Adding Commands

Time of First Successful Submission: 2026-10-31 18:07:16

Hijacking Commands

Time of First Successful Submission: 2026-10-31 18:08:05

Bashrc Backdoor

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

Sniffing Input

Time of First Successful Submission: 2026-11-01 03:17:09

Overshared Directories

Time of First Successful Submission: 2026-11-01 03:18:09

Tricky Linking

Time of First Successful Submission: 2026-11-01 03:19:20

Sniffing Process Arguments

Time of First Successful Submission: 2026-11-01 03:24:00

Snooping on Configurations

Time of First Successful Submission: 2026-11-01 03:16:04

The Fork Bomb

Time of First Successful Submission: 2026-11-01 15:07:44

Disk-Space Doomsday

Time of First Successful Submission: 2026-10-31 21:12:01

rm -rf /

Time of First Successful Submission: 2026-11-01 01:09:04

Life after rm -rf /

Time of First Successful Submission: 2026-11-01 01:06:10

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-11-01 01:07:40


Computing 101

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Your First Register

Time of First Successful Submission: 2026-11-01 04:18:50

Your First Syscall

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Exit Codes

Time of First Successful Submission: 2026-11-01 04:37:00

Building Executables

Time of First Successful Submission: 2026-11-01 04:29:58

Moving Between Registers

Time of First Successful Submission: 2026-11-01 04:37:24

Loading From Memory

Time of First Successful Submission: 2026-11-01 04:50:58

More Loading Practice

Time of First Successful Submission: 2026-11-01 04:51:23

Dereferencing Pointers

Time of First Successful Submission: 2026-11-01 04:49:42

Dereferencing Yourself

Time of First Successful Submission: 2026-11-01 04:50:07

Dereferencing with Offsets

Time of First Successful Submission: 2026-11-01 04:51:47

Stored Addresses

Time of First Successful Submission: 2026-11-01 04:52:12

Double Dereference

Time of First Successful Submission: 2026-11-01 04:50:32

The Stack

Time of First Successful Submission: 2026-11-01 04:53:39

Stack Offsets

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Program Arguments on the Stack

Time of First Successful Submission: 2026-11-01 04:52:38

Popping From the Stack

Time of First Successful Submission: 2026-11-01 04:53:08

Negative Numbers

Time of First Successful Submission: 2026-11-02 00:18:58

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-11-02 00:20:43

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-11-02 00:19:50

Encoding Negatives

Time of First Successful Submission: 2026-11-02 00:42:27

Binary and Hex Encoding

Time of First Successful Submission: 2026-11-02 00:11:07

More Hex

Time of First Successful Submission: 2026-11-02 00:13:37

Decoding Hex

Time of First Successful Submission: 2026-11-02 00:11:58

Mixed Conversions

Time of First Successful Submission: 2026-11-02 00:53:34

Disassembling Programs

Time of First Successful Submission: 2026-11-01 15:58:19

Tracing Syscalls

Time of First Successful Submission: 2026-11-01 15:59:39

Starting GDB

Time of First Successful Submission: 2026-11-01 16:20:59

Quitting GDB

Time of First Successful Submission: 2026-11-01 15:50:44

Starting Programs in GDB

Time of First Successful Submission: 2026-11-01 15:55:58

Disassembling in GDB

Time of First Successful Submission: 2026-11-01 15:37:54

Stepping Through Instructions

Time of First Successful Submission: 2026-11-01 15:57:04

Reading Register Values

Time of First Successful Submission: 2026-11-01 15:49:32

Setting Register Values

Time of First Successful Submission: 2026-11-01 15:54:46

Popping Stack Values

Time of First Successful Submission: 2026-11-01 15:48:12

Examining Memory

Time of First Successful Submission: 2026-11-01 15:39:11

Examining Stack Pointers

Time of First Successful Submission: 2026-11-01 16:19:05

Cooperative Debugging

Time of First Successful Submission: 2026-11-01 12:02:55

Running with Arguments

Time of First Successful Submission: 2026-11-02 08:31:11

Redirecting Input in GDB

Time of First Successful Submission: 2026-11-02 12:17:40

Writing Output

Time of First Successful Submission: 2026-10-31 17:18:18

Chaining Syscalls

Time of First Successful Submission: 2026-10-31 17:19:01

Writing Strings

Time of First Successful Submission: 2026-10-31 17:20:13

Reading Data

Time of First Successful Submission: 2026-10-31 17:20:47

Reading Exactly

Time of First Successful Submission: 2026-10-31 17:21:24

Opening Files

Time of First Successful Submission: 2026-10-31 17:22:05

Hardcoding the Filename

Time of First Successful Submission: 2026-10-31 17:22:41

RIP-Relative Strings

Time of First Successful Submission: 2026-10-31 17:23:18

Comparing Values

Time of First Successful Submission: 2026-11-01 05:06:06

Comparing Characters

Time of First Successful Submission: 2026-11-01 05:06:33

Conditional Control Flow

Time of First Successful Submission: 2026-11-01 04:56:42

Comparing Strings

Time of First Successful Submission: 2026-11-01 05:07:03

Reverse the Password

Time of First Successful Submission: 2026-11-01 05:13:54

Conditionals Without Conditionals

Time of First Successful Submission: 2026-11-01 05:10:16

Recognizing Loops

Time of First Successful Submission: 2026-11-02 09:30:27

Writing Loops

Time of First Successful Submission: 2026-11-01 05:09:50

Writing From a Shared Library

Time of First Successful Submission: 2026-11-01 05:04:41

Returning a Value

Time of First Successful Submission: 2026-11-01 05:03:51

Calling Through a Pointer

Time of First Successful Submission: 2026-11-01 04:54:28

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-11-01 04:54:53

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-11-01 05:13:31

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-11-01 05:04:15

Sign Extension

Time of First Successful Submission: 2026-11-01 11:59:13

Little-Endian Bytes

Time of First Successful Submission: 2026-11-01 05:21:13

Qword by Qword

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Dword by Dword

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Word by Word

Time of First Successful Submission: 2026-11-01 22:59:28

Byte by Byte

Time of First Successful Submission: 2026-11-01 22:55:53

Cracking a Struct

Time of First Successful Submission: 2026-11-02 09:33:24

Scrambled Struct

Time of First Successful Submission: 2026-11-02 09:34:05

Reverse the Calculation

Time of First Successful Submission: 2026-11-01 05:10:40

Reverse the Reverse

Time of First Successful Submission: 2026-11-01 05:19:13

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-11-01 05:19:38

Even or Odd

Time of First Successful Submission: 2026-11-01 05:00:58

Masking Bits

Time of First Successful Submission: 2026-11-01 05:18:02

Lowercase a String

Time of First Successful Submission: 2026-11-01 04:58:02

Uppercase a String

Time of First Successful Submission: 2026-11-01 04:59:56

Swap Case

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Shifting Left

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

Shifting Right

Time of First Successful Submission: 2026-11-01 05:02:54

Loops on Data

Time of First Successful Submission: 2026-11-02 10:03:39

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-11-01 07:12:24

Loading Stale Stack Data

Time of First Successful Submission: 2026-11-01 06:09:12

Stealing Stale Stack Data

Time of First Successful Submission: 2026-11-02 09:34:47

Reserving Your Own Frame

Time of First Successful Submission: 2026-11-01 07:22:20

Using Your Own Frame

Time of First Successful Submission: 2026-11-01 07:11:25

Environment Variables on the Stack

Time of First Successful Submission: 2026-11-01 05:46:55

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-11-02 12:03:24

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-11-02 12:04:18

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-11-02 12:05:11

A Single Digit

Time of First Successful Submission: 2026-11-01 04:32:17

Two Digits

Time of First Successful Submission: 2026-11-01 05:40:04

String to Integer

Time of First Successful Submission: 2026-11-01 05:38:30

Negative Numbers

Time of First Successful Submission: 2026-11-01 04:33:15

Where the Number Ends

Time of First Successful Submission: 2026-11-01 04:34:12

A Whole Program

Time of First Successful Submission: 2026-11-01 04:31:19

A Single Digit, Back to Text

Time of First Successful Submission: 2026-11-01 06:12:54

Divide and Remainder

Time of First Successful Submission: 2026-11-01 05:30:51

Drop the Leading Zero

Time of First Successful Submission: 2026-11-01 20:32:13

Integer to String

Time of First Successful Submission: 2026-11-01 05:31:48

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-11-01 21:03:54

Sum Them All

Time of First Successful Submission: 2026-11-01 06:49:43

Addition

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Subtraction

Time of First Successful Submission: 2026-11-01 20:56:34

Multiplication

Time of First Successful Submission: 2026-11-01 21:12:49

Bitwise Operators

Time of First Successful Submission: 2026-11-01 06:02:19

Unary Operators

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Literal Output

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Newline Escapes

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Escaped Syntax

Time of First Successful Submission: 2026-11-01 06:50:44

Decimal Markers

Time of First Successful Submission: 2026-11-01 07:00:54

Multiple Decimal Markers

Time of First Successful Submission: 2026-11-01 21:34:38

String Markers

Time of First Successful Submission: 2026-11-01 21:35:21

Hex Byte Escapes

Time of First Successful Submission: 2026-11-01 21:36:09

Debugging Programs

Time of First Successful Submission: 2026-11-02 08:54:00

Inspecting Registers

Time of First Successful Submission: 2026-11-02 09:26:39

Examining Memory

Time of First Successful Submission: 2026-11-02 09:27:19

Setting Breakpoints

Time of First Successful Submission: 2026-11-02 09:28:02

GDB Scripting

Time of First Successful Submission: 2026-11-02 09:28:42

Modifying Data

Time of First Successful Submission: 2026-11-02 09:29:23

Modifying Execution

Time of First Successful Submission: 2026-11-02 10:56:15

Broken Functions

Time of First Successful Submission: 2026-11-02 11:45:43

Exit

Time of First Successful Submission: 2026-11-02 00:57:04

Socket

Time of First Successful Submission: 2026-11-02 00:57:49

Bind

Time of First Successful Submission: 2026-11-02 00:58:32

Listen

Time of First Successful Submission: 2026-11-02 00:59:15

Accept

Time of First Successful Submission: 2026-11-02 00:59:59

Static Response

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

Dynamic Response

Time of First Successful Submission: 2026-11-02 01:58:57

Iterative GET Server

Time of First Successful Submission: 2026-11-02 01:59:42

Concurrent GET Server

Time of First Successful Submission: 2026-11-02 02:00:32

Concurrent POST Server

Time of First Successful Submission: 2026-11-02 02:36:03

Web Server

Time of First Successful Submission: 2026-11-02 02:36:58


Playing With Programs

116 / 116 1394 / 27342


What's the password?

Time of First Successful Submission: 2026-11-01 07:43:02

... and again!

Time of First Successful Submission: 2026-11-01 10:12:14

Newline Troubles

Time of First Successful Submission: 2026-11-01 10:13:08

Reasoning about files

Time of First Successful Submission: 2026-11-01 09:23:54

Specifying Filenames

Time of First Successful Submission: 2026-11-01 09:22:59

Binary and Hex Encoding

Time of First Successful Submission: 2026-11-01 08:25:00

More Hex

Time of First Successful Submission: 2026-11-01 08:26:10

Decoding Hex

Time of First Successful Submission: 2026-11-01 08:46:21

Decoding Practice

Time of First Successful Submission: 2026-11-01 08:30:49

Encoding Practice

Time of First Successful Submission: 2026-11-01 08:31:55

Hex-encoding ASCII

Time of First Successful Submission: 2026-11-01 08:07:37

Nested Encoding

Time of First Successful Submission: 2026-11-01 10:04:05

Hex-encoding UTF-8

Time of First Successful Submission: 2026-11-01 23:32:17

UTF Mixups

Time of First Successful Submission: 2026-11-01 10:14:08

Modifying Encoded Data

Time of First Successful Submission: 2026-11-01 10:05:00

Decoding Base64

Time of First Successful Submission: 2026-11-01 08:08:41

Encoding Base64

Time of First Successful Submission: 2026-11-01 08:13:30

Dealing with Obfuscation

Time of First Successful Submission: 2026-11-01 23:34:38

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-11-01 23:35:31

Your First HTTP Request

Time of First Successful Submission: 2026-11-01 16:51:38

Reading Flask

Time of First Successful Submission: 2026-11-01 16:55:13

Commented Data

Time of First Successful Submission: 2026-11-01 16:23:55

HTTP Metadata

Time of First Successful Submission: 2026-11-01 17:14:55

HTTP (netcat)

Time of First Successful Submission: 2026-11-01 18:14:14

HTTP Paths (netcat)

Time of First Successful Submission: 2026-11-01 19:09:31

HTTP (curl)

Time of First Successful Submission: 2026-11-01 17:30:45

HTTP (python)

Time of First Successful Submission: 2026-11-01 19:10:38

HTTP Host Header (python)

Time of First Successful Submission: 2026-11-01 19:05:43

HTTP Host Header (curl)

Time of First Successful Submission: 2026-11-01 19:04:32

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-11-01 18:36:43

URL Encoding (netcat)

Time of First Successful Submission: 2026-11-02 13:18:25

HTTP GET Parameters

Time of First Successful Submission: 2026-11-01 17:13:48

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-11-01 19:03:23

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-11-01 19:28:44

HTTP Forms

Time of First Successful Submission: 2026-11-01 16:56:30

HTTP Forms (curl)

Time of First Successful Submission: 2026-11-01 16:50:00

HTTP Forms (netcat)

Time of First Successful Submission: 2026-11-01 18:59:38

HTTP Forms (python)

Time of First Successful Submission: 2026-11-01 19:00:46

HTTP Forms Without Forms

Time of First Successful Submission: 2026-11-01 16:57:37

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-11-01 16:58:49

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-11-01 18:58:29

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-11-02 13:19:37

HTTP Redirects (curl)

Time of First Successful Submission: 2026-11-01 19:33:27

HTTP Redirects (python)

Time of First Successful Submission: 2026-11-01 19:36:55

HTTP Cookies (curl)

Time of First Successful Submission: 2026-11-01 17:04:47

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-11-01 18:01:41

HTTP Cookies (python)

Time of First Successful Submission: 2026-11-01 18:51:43

Server State (python)

Time of First Successful Submission: 2026-11-02 13:27:42

Listening Web

Time of First Successful Submission: 2026-11-02 12:33:02

Speaking Redirects

Time of First Successful Submission: 2026-11-02 12:42:03

JavaScript Redirects

Time of First Successful Submission: 2026-11-02 12:44:00

Including JavaScript

Time of First Successful Submission: 2026-11-02 12:56:47

HTTP (javascript)

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

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-11-02 12:53:02

HTTP Forms (javascript)

Time of First Successful Submission: 2026-11-02 12:54:55

cat

Time of First Successful Submission: 2026-11-01 10:33:28

more

Time of First Successful Submission: 2026-11-01 15:34:59

less

Time of First Successful Submission: 2026-11-01 15:32:20

tail

Time of First Successful Submission: 2026-11-01 20:16:42

head

Time of First Successful Submission: 2026-11-01 11:12:54

sort

Time of First Successful Submission: 2026-11-01 20:13:13

vim

Time of First Successful Submission: 2026-11-01 23:40:13

emacs

Time of First Successful Submission: 2026-11-01 10:51:03

nano

Time of First Successful Submission: 2026-11-01 15:41:53

rev

Time of First Successful Submission: 2026-11-01 22:28:58

od

Time of First Successful Submission: 2026-11-01 16:01:10

hd

Time of First Successful Submission: 2026-11-02 03:39:52

xxd

Time of First Successful Submission: 2026-11-02 03:40:36

base32

Time of First Successful Submission: 2026-11-01 10:58:45

base64

Time of First Successful Submission: 2026-11-01 10:55:49

split

Time of First Successful Submission: 2026-11-01 20:14:15

gzip

Time of First Successful Submission: 2026-11-01 15:28:12

bzip2

Time of First Successful Submission: 2026-11-01 11:37:43

zip

Time of First Successful Submission: 2026-11-02 03:41:19

tar

Time of First Successful Submission: 2026-11-01 21:52:39

ar

Time of First Successful Submission: 2026-11-01 12:29:44

cpio

Time of First Successful Submission: 2026-11-02 04:27:22

genisoimage

Time of First Successful Submission: 2026-11-02 17:46:25

env

Time of First Successful Submission: 2026-11-01 10:52:48

find

Time of First Successful Submission: 2026-11-01 11:00:53

make

Time of First Successful Submission: 2026-11-01 15:33:59

nice

Time of First Successful Submission: 2026-11-01 15:45:07

timeout

Time of First Successful Submission: 2026-11-01 22:32:54

stdbuf

Time of First Successful Submission: 2026-11-01 17:45:35

setarch

Time of First Successful Submission: 2026-11-01 21:49:45

watch

Time of First Successful Submission: 2026-11-02 04:30:00

socat

Time of First Successful Submission: 2026-11-01 20:12:18

whiptail

Time of First Successful Submission: 2026-11-02 04:04:06

awk

Time of First Successful Submission: 2026-11-01 10:27:41

sed

Time of First Successful Submission: 2026-11-01 16:48:52

ed

Time of First Successful Submission: 2026-11-01 15:24:11

chown

Time of First Successful Submission: 2026-11-01 12:43:32

chmod

Time of First Successful Submission: 2026-11-01 12:42:31

cp

Time of First Successful Submission: 2026-11-01 15:17:59

mv

Time of First Successful Submission: 2026-11-02 14:30:49

perl

Time of First Successful Submission: 2026-11-01 20:06:20

python

Time of First Successful Submission: 2026-11-01 16:18:10

ruby

Time of First Successful Submission: 2026-11-01 20:09:33

bash

Time of First Successful Submission: 2026-11-02 03:37:40

date

Time of First Successful Submission: 2026-11-01 10:44:56

dmesg

Time of First Successful Submission: 2026-11-02 03:38:24

wc

Time of First Successful Submission: 2026-11-02 03:39:08

gcc

Time of First Successful Submission: 2026-11-01 12:59:37

as

Time of First Successful Submission: 2026-11-01 10:26:45

wget

Time of First Successful Submission: 2026-11-02 04:09:30

ssh-keygen

Time of First Successful Submission: 2026-11-02 06:29:46

SQL Queries

Time of First Successful Submission: 2026-11-02 13:20:41

Filtering SQL

Time of First Successful Submission: 2026-11-01 16:08:46

Choosing Columns

Time of First Successful Submission: 2026-11-01 16:09:43

Exclusionary Filtering

Time of First Successful Submission: 2026-11-01 16:11:36

Filtering Strings

Time of First Successful Submission: 2026-11-01 16:10:31

Filtering on Expressions

Time of First Successful Submission: 2026-11-01 16:12:48

SELECTing Expressions

Time of First Successful Submission: 2026-11-01 22:14:54

Composite Conditions

Time of First Successful Submission: 2026-11-01 16:17:12

Reaching Your LIMITs

Time of First Successful Submission: 2026-11-01 22:18:18

Querying Metadata

Time of First Successful Submission: 2026-11-01 23:04:28


DSU Cyber Camps

12 / 104 6547 / 75608


Using the Terminal

Time of First Successful Submission: 2026-10-31 16:13:24

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-31 16:26:55

Using the GUI Desktop

Time of First Successful Submission: 2026-10-31 16:37:37

Pasting into the Desktop

Time of First Successful Submission: 2026-10-31 16:43:26

Connecting over SSH

Time of First Successful Submission: 2026-10-31 16:52:18

Restarting Challenges

Time of First Successful Submission: 2026-10-31 16:57:18

Getting Help

Time of First Successful Submission: 2026-10-31 16:41:26

Challenge Programs

Time of First Successful Submission: 2026-10-31 16:43:56

The Flag File

Time of First Successful Submission: 2026-10-31 16:41:35

Using Privileged Mode

Time of First Successful Submission: 2026-10-31 16:51:40

Persistent Home Directories - One

Time of First Successful Submission: 2026-10-31 16:51:33

Persistent Home Directories - Two

Time of First Successful Submission: 2026-10-31 16:52:52


GCA CTF

12 / 104 6547 / 75608


Using the Terminal

Time of First Successful Submission: 2026-10-31 16:13:24

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-31 16:26:55

Using the GUI Desktop

Time of First Successful Submission: 2026-10-31 16:37:37

Pasting into the Desktop

Time of First Successful Submission: 2026-10-31 16:43:26

Connecting over SSH

Time of First Successful Submission: 2026-10-31 16:52:18

Restarting Challenges

Time of First Successful Submission: 2026-10-31 16:57:18

Getting Help

Time of First Successful Submission: 2026-10-31 16:41:26

Challenge Programs

Time of First Successful Submission: 2026-10-31 16:43:56

The Flag File

Time of First Successful Submission: 2026-10-31 16:41:35

Using Privileged Mode

Time of First Successful Submission: 2026-10-31 16:51:40

Persistent Home Directories - One

Time of First Successful Submission: 2026-10-31 16:51:33

Persistent Home Directories - Two

Time of First Successful Submission: 2026-10-31 16:52:52