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Cryptographic Exploitation

6 / 59 268 / 599


Language Barrier

Time of First Successful Submission: 2026-09-03 20:45:03

Baby Steps

Time of First Successful Submission: 2026-09-03 22:56:53

Roman Cryptography

Time of First Successful Submission: 2026-09-04 13:03:14

Obscura

Time of First Successful Submission: 2026-09-07 23:34:55

XOR

Time of First Successful Submission: 2026-09-14 19:25:21

XOR 2.0

Time of First Successful Submission: 2026-09-16 21:25:11


Intro to Programming Languages

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Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-07-27 03:52:21

Lab 1.1 - Start Terminal

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

Lecture 1.2. Linux Shells

Time of First Successful Submission: 2026-07-27 03:57:09

Lecture 1.3. Linux File System

Time of First Successful Submission: 2026-07-27 04:18:47

Lecture 1.4. Executing Programs

Time of First Successful Submission: 2026-08-26 11:35:47

Lecture 1.5. Common Commands

Time of First Successful Submission: 2026-08-26 12:09:50

Lab 1.5.2 - Using ls and cd

Time of First Successful Submission: 2026-07-27 04:34:04

Lab 1.5.3 - Using grep

Time of First Successful Submission: 2026-08-27 12:31:19

Lecture 1.6. Redirection of I/O

Time of First Successful Submission: 2026-08-27 12:46:38

Lab 1.6 - Using grep and pipe

Time of First Successful Submission: 2026-08-27 13:02:04

Lecture 1.7. Regular Expressions

Time of First Successful Submission: 2026-08-28 12:02:25

Lecture 1.8. Misc Linux

Time of First Successful Submission: 2026-08-28 12:16:12

Lecture 1.9. Testing Code on pwn.college

Time of First Successful Submission: 2026-08-28 12:39:20

Lab 1.9 - Test some If Statements

Time of First Successful Submission: 2026-08-28 13:30:13

P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2026-08-28 13:32:47

Commands

Time of First Successful Submission: 2026-02-10 20:55:22

Command Arguments

Time of First Successful Submission: 2026-02-10 20:57:21

Command History

Time of First Successful Submission: 2026-02-10 21:01:50

The Root Path

Time of First Successful Submission: 2026-02-10 21:11:00

Absolute Paths

Time of First Successful Submission: 2026-02-10 21:11:38

Changing position

Time of First Successful Submission: 2026-02-10 21:22:14

Changing to an Absolute Path

Time of First Successful Submission: 2026-02-10 21:27:46

Relative Paths

Time of First Successful Submission: 2026-02-10 21:42:01

P1.0 Level 5 read

Time of First Successful Submission: 2026-06-16 21:17:32

Cat

Time of First Successful Submission: 2026-02-12 21:06:20

Ls

Time of First Successful Submission: 2026-02-12 21:19:54

Ls All

Time of First Successful Submission: 2026-02-13 13:09:12

P1.0 Level 2 list dir

Time of First Successful Submission: 2026-08-28 13:39:16

Find

Time of First Successful Submission: 2026-02-13 21:48:05

P1.0 Level 3 change dir

Time of First Successful Submission: 2026-08-29 12:59:11

P1.0 Level 4 move

Time of First Successful Submission: 2026-08-29 13:00:12

P1.0 Level 6 grep

Time of First Successful Submission: 2026-08-29 13:02:15

P1.0 Level 7 execute

Time of First Successful Submission: 2026-08-29 13:03:10

Piping Echo

Time of First Successful Submission: 2025-09-03 06:04:02

Piping Stdout

Time of First Successful Submission: 2026-02-26 19:57:32

Piping Stdin

Time of First Successful Submission: 2026-02-27 23:40:36

P1.0 Level 8 stdin

Time of First Successful Submission: 2026-08-29 15:22:02

P1.0 Level 9 pipe

Time of First Successful Submission: 2026-08-29 15:23:40

P1.0 Level 10 args

Time of First Successful Submission: 2026-08-29 15:30:23

P1.0 Level 11 gccpipe

Time of First Successful Submission: 2026-08-29 16:04:13

P1.0 Level 12 speedy

Time of First Successful Submission: 2026-08-29 22:17:19

P1.0 Level 13 testing

Time of First Successful Submission: 2026-08-29 22:41:29

P1.0 Level 14 ifs test

Time of First Successful Submission: 2026-08-29 22:50:30

Lecture 2.1.1.0 Paradigms and C

Time of First Successful Submission: 2026-08-31 21:20:50

Lecture 2.1.2. First C Program and Vars

Time of First Successful Submission: 2026-09-04 22:40:15

Lecture 2.1.2.1. Standard Output

Time of First Successful Submission: 2026-09-05 11:53:23

Lecture 2.1.2.2. Standard In

Time of First Successful Submission: 2026-09-05 23:49:41

Lab 2.1.2.1 - C Input

Time of First Successful Submission: 2026-09-06 13:03:55

Lecture 2.1.2.3. Flow Control & Command Line Arguments

Time of First Successful Submission: 2026-09-08 15:08:13

EzLab 2.1.2.3 - Control Flow

Time of First Successful Submission: 2026-09-08 15:13:01

Lecture 2.1.3.0 Dec & Def Functions

Time of First Successful Submission: 2026-09-08 15:24:19

Lecture 2.1.3.1. Globals & Locals

Time of First Successful Submission: 2026-09-10 09:51:03

Lecture 2.1.3.2. Function Params and Ret Vals

Time of First Successful Submission: 2026-09-10 10:03:54

EzLab 2.1.3.2 Pass by Value

Time of First Successful Submission: 2026-09-10 11:10:48

Lab 2.1.3.1 - Functions

Time of First Successful Submission: 2026-09-11 03:38:16

Lecture 2.1.4. Global and Local Memory

Time of First Successful Submission: 2026-09-11 13:07:46

Lecture 2.1.4.1. Function Frames

Time of First Successful Submission: 2026-09-11 13:23:56

Lecture 2.1.5. Debugging C Programs

Time of First Successful Submission: 2026-09-11 22:30:40

Lab 2.1.5.1 - Using VSCode Debugger

Time of First Successful Submission: 2026-09-14 20:32:57

P2.1 Level 01 C Force

Time of First Successful Submission: 2026-09-14 20:40:03

P2.1 Level 02 C Args

Time of First Successful Submission: 2026-09-14 20:47:24


Start Here

10 / 10 11504 / 65156


Using the Terminal

Time of First Successful Submission: 2026-05-08 16:30:20

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-08 21:36:43

Using the GUI Desktop

Time of First Successful Submission: 2026-05-08 21:41:16

Pasting into the Desktop

Time of First Successful Submission: 2026-05-08 21:46:18

Restarting Challenges

Time of First Successful Submission: 2026-05-08 17:19:48

Challenge Programs

Time of First Successful Submission: 2026-05-08 17:14:12

The Flag File

Time of First Successful Submission: 2026-05-08 17:23:09

Using Privileged Mode

Time of First Successful Submission: 2026-05-08 21:57:58

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-08 22:02:38

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-08 22:03:17


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-02-10 20:55:22

Intro to Arguments

Time of First Successful Submission: 2026-02-10 20:57:21

Command History

Time of First Successful Submission: 2026-02-10 21:01:50

The Root

Time of First Successful Submission: 2026-02-10 21:11:00

Program and absolute paths

Time of First Successful Submission: 2026-02-10 21:11:38

Position thy self

Time of First Successful Submission: 2026-02-10 21:22:14

Position elsewhere

Time of First Successful Submission: 2026-02-10 21:27:46

implicit relative paths, from /

Time of First Successful Submission: 2026-02-10 21:42:01

explicit relative paths, from /

Time of First Successful Submission: 2026-02-10 21:46:13

implicit relative path

Time of First Successful Submission: 2026-02-10 21:48:52

home sweet home

Time of First Successful Submission: 2026-02-11 23:05:45

cat: not the pet, but the command!

Time of First Successful Submission: 2026-02-12 21:06:20

catting absolute paths

Time of First Successful Submission: 2026-02-12 21:10:12

more catting practice

Time of First Successful Submission: 2026-02-12 21:12:41

grepping for a needle in a haystack

Time of First Successful Submission: 2026-02-12 21:14:26

comparing files

Time of First Successful Submission: 2026-02-12 21:16:41

listing files

Time of First Successful Submission: 2026-02-12 21:19:54

touching files

Time of First Successful Submission: 2026-02-12 21:27:53

removing files

Time of First Successful Submission: 2026-02-12 21:28:56

moving files

Time of First Successful Submission: 2026-02-13 13:05:18

copying files

Time of First Successful Submission: 2026-02-13 13:06:40

hidden files

Time of First Successful Submission: 2026-02-13 13:09:12

An Epic Filesystem Quest

Time of First Successful Submission: 2026-02-13 18:21:27

making directories

Time of First Successful Submission: 2026-02-13 21:16:47

finding files

Time of First Successful Submission: 2026-02-13 21:48:05

linking files

Time of First Successful Submission: 2026-02-13 23:24:22

Learning From Documentation

Time of First Successful Submission: 2026-02-14 16:21:57

Learning Complex Usage

Time of First Successful Submission: 2026-02-14 16:26:19

Reading Manuals

Time of First Successful Submission: 2026-02-14 17:45:08

Searching Manuals

Time of First Successful Submission: 2026-02-14 18:59:04

Searching For Manuals

Time of First Successful Submission: 2026-02-15 21:22:11

Helpful Programs

Time of First Successful Submission: 2026-02-15 21:24:20

Help for Builtins

Time of First Successful Submission: 2026-02-15 22:12:52

Matching with *

Time of First Successful Submission: 2026-02-16 16:32:34

Matching with ?

Time of First Successful Submission: 2026-02-16 23:48:03

Matching with []

Time of First Successful Submission: 2026-02-16 23:50:45

Matching paths with []

Time of First Successful Submission: 2026-02-18 23:31:35

Multiple globs

Time of First Successful Submission: 2026-02-18 23:48:23

Mixing globs

Time of First Successful Submission: 2026-02-20 11:58:39

Exclusionary globbing

Time of First Successful Submission: 2026-02-20 19:00:59

Tab completion

Time of First Successful Submission: 2026-02-21 12:03:00

Multiple options for tab completion

Time of First Successful Submission: 2026-02-21 12:19:15

Tab completion on commands

Time of First Successful Submission: 2026-02-21 12:28:36

Redirecting output

Time of First Successful Submission: 2025-09-03 06:04:02

Redirecting more output

Time of First Successful Submission: 2026-02-26 19:57:32

Appending output

Time of First Successful Submission: 2026-02-26 20:41:32

Redirecting errors

Time of First Successful Submission: 2026-02-27 23:33:27

Redirecting input

Time of First Successful Submission: 2026-02-27 23:40:36

Grepping stored results

Time of First Successful Submission: 2026-03-01 19:32:35

Grepping live output

Time of First Successful Submission: 2026-03-01 19:33:51

Grepping errors

Time of First Successful Submission: 2026-03-01 21:11:47

Filtering with grep -v

Time of First Successful Submission: 2026-03-04 20:19:10

Filtering with sed

Time of First Successful Submission: 2026-03-07 20:53:52

Duplicating piped data with tee

Time of First Successful Submission: 2026-04-15 01:38:30

Process substitution for input

Time of First Successful Submission: 2026-04-17 12:05:19

Writing to multiple programs

Time of First Successful Submission: 2026-04-18 12:17:38

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-18 12:43:33

Named pipes

Time of First Successful Submission: 2026-04-25 12:54:43

Printing Variables

Time of First Successful Submission: 2026-04-27 12:17:07

Setting Variables

Time of First Successful Submission: 2026-04-27 13:07:58

Multi-word Variables

Time of First Successful Submission: 2026-04-27 13:09:25

Exporting Variables

Time of First Successful Submission: 2026-04-27 14:07:31

Printing Exported Variables

Time of First Successful Submission: 2026-05-01 14:52:16

Storing Command Output

Time of First Successful Submission: 2026-05-01 17:10:22

Reading Input

Time of First Successful Submission: 2026-05-01 17:45:11

Reading Files

Time of First Successful Submission: 2026-05-02 23:37:00

Translating characters

Time of First Successful Submission: 2026-05-03 11:50:14

Deleting characters

Time of First Successful Submission: 2026-05-03 11:56:59

Deleting newlines

Time of First Successful Submission: 2026-05-03 12:02:49

Extracting the first lines with head

Time of First Successful Submission: 2026-05-04 15:09:57

Extracting specific sections of text

Time of First Successful Submission: 2026-05-04 15:14:53

Sorting data

Time of First Successful Submission: 2026-05-04 15:27:59

Listing Processes

Time of First Successful Submission: 2026-05-12 15:58:48

Killing Processes

Time of First Successful Submission: 2026-05-13 15:09:29

Interrupting Processes

Time of First Successful Submission: 2026-05-13 17:33:05

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-13 19:49:45

Suspending Processes

Time of First Successful Submission: 2026-05-13 19:54:29

Resuming Processes

Time of First Successful Submission: 2026-05-13 19:55:10

Backgrounding Processes

Time of First Successful Submission: 2026-05-13 23:29:45

Foregrounding Processes

Time of First Successful Submission: 2026-05-13 23:30:49

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-13 23:31:55

Process Exit Codes

Time of First Successful Submission: 2026-05-13 23:59:10

Becoming root with su

Time of First Successful Submission: 2026-05-14 17:29:22

Other users with su

Time of First Successful Submission: 2026-05-14 17:32:20

Cracking passwords

Time of First Successful Submission: 2026-05-14 21:06:15

Using sudo

Time of First Successful Submission: 2026-05-14 21:24:34

Changing File Ownership

Time of First Successful Submission: 2026-05-15 15:16:49

Groups and Files

Time of First Successful Submission: 2026-05-15 15:27:16

Fun With Groups Names

Time of First Successful Submission: 2026-05-15 15:31:32

Changing Permissions

Time of First Successful Submission: 2026-05-15 15:37:40

Executable Files

Time of First Successful Submission: 2026-05-15 15:38:28

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-15 15:53:42

Permissions Setting Practice

Time of First Successful Submission: 2026-05-15 16:02:32

The SUID Bit

Time of First Successful Submission: 2026-05-15 16:22:39

Chaining with Semicolons

Time of First Successful Submission: 2026-05-15 16:33:24

Building on Success

Time of First Successful Submission: 2026-05-15 16:35:48

Handling Failure

Time of First Successful Submission: 2026-05-15 16:36:36

Your First Shell Script

Time of First Successful Submission: 2026-05-15 16:39:57

Redirecting Script Output

Time of First Successful Submission: 2026-05-18 21:15:57

Executable Shell Scripts

Time of First Successful Submission: 2026-05-18 21:32:26

Understanding Shebangs

Time of First Successful Submission: 2026-05-18 22:48:09

Scripting with Arguments

Time of First Successful Submission: 2026-05-18 22:52:51

Scripting with Conditionals

Time of First Successful Submission: 2026-05-19 20:53:14

Scripting with Default Cases

Time of First Successful Submission: 2026-05-19 20:55:01

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-19 22:38:47

Reading Shell Scripts

Time of First Successful Submission: 2026-05-19 23:06:18

Launching Screen

Time of First Successful Submission: 2026-05-19 23:09:14

Detaching and Attaching

Time of First Successful Submission: 2026-05-19 23:12:42

Finding Sessions

Time of First Successful Submission: 2026-05-19 23:21:16

Switching Windows

Time of First Successful Submission: 2026-05-19 23:26:17

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-19 23:31:04

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-19 23:49:16

The PATH Variable

Time of First Successful Submission: 2026-05-20 22:29:40

Setting PATH

Time of First Successful Submission: 2026-05-20 22:53:47

Finding Commands

Time of First Successful Submission: 2026-05-20 22:57:27

Adding Commands

Time of First Successful Submission: 2026-05-21 12:11:03

Hijacking Commands

Time of First Successful Submission: 2026-05-21 12:21:11

Bashrc Backdoor

Time of First Successful Submission: 2026-05-21 12:35:14

Sniffing Input

Time of First Successful Submission: 2026-05-21 22:20:40

Overshared Directories

Time of First Successful Submission: 2026-05-22 12:14:26

Tricky Linking

Time of First Successful Submission: 2026-05-23 00:24:10

Sniffing Process Arguments

Time of First Successful Submission: 2026-05-23 00:43:29

Snooping on Configurations

Time of First Successful Submission: 2026-05-23 01:14:40

The Fork Bomb

Time of First Successful Submission: 2026-05-24 23:18:37

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-25 03:14:19

rm -rf /

Time of First Successful Submission: 2026-05-25 03:23:52

Life after rm -rf /

Time of First Successful Submission: 2026-05-25 03:29:54

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-25 03:35:59


Computing 101

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Your First Register

Time of First Successful Submission: 2026-05-27 00:35:07

Your First Syscall

Time of First Successful Submission: 2026-05-27 00:49:48

Exit Codes

Time of First Successful Submission: 2026-05-27 01:01:59

Building Executables

Time of First Successful Submission: 2026-05-28 15:30:39

Moving Between Registers

Time of First Successful Submission: 2026-05-28 15:43:52

Loading From Memory

Time of First Successful Submission: 2026-05-28 17:36:31

More Loading Practice

Time of First Successful Submission: 2026-05-28 23:20:49

Dereferencing Pointers

Time of First Successful Submission: 2026-05-29 02:16:56

Dereferencing Yourself

Time of First Successful Submission: 2026-05-29 02:43:58

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-29 14:38:42

Stored Addresses

Time of First Successful Submission: 2026-05-29 17:37:28

Double Dereference

Time of First Successful Submission: 2026-05-31 00:31:10

The Stack

Time of First Successful Submission: 2026-06-01 00:54:28

Stack Offsets

Time of First Successful Submission: 2026-06-01 11:57:56

Program Arguments on the Stack

Time of First Successful Submission: 2026-06-01 12:21:03

Popping From the Stack

Time of First Successful Submission: 2026-06-01 12:55:11

Negative Numbers

Time of First Successful Submission: 2026-06-07 02:32:43

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-14 15:55:52

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-14 16:20:15

Encoding Negatives

Time of First Successful Submission: 2026-06-14 16:38:17

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-14 16:42:26

More Hex

Time of First Successful Submission: 2026-06-14 16:44:24

Decoding Hex

Time of First Successful Submission: 2026-06-14 16:46:07

Mixed Conversions

Time of First Successful Submission: 2026-06-14 20:39:32

Disassembling Programs

Time of First Successful Submission: 2026-06-02 12:58:07

Tracing Syscalls

Time of First Successful Submission: 2026-06-03 01:17:31

Starting GDB

Time of First Successful Submission: 2026-06-03 12:13:26

Quitting GDB

Time of First Successful Submission: 2026-06-03 12:17:39

Starting Programs in GDB

Time of First Successful Submission: 2026-06-03 12:49:35

Disassembling in GDB

Time of First Successful Submission: 2026-06-03 14:33:49

Stepping Through Instructions

Time of First Successful Submission: 2026-06-03 15:06:51

Reading Register Values

Time of First Successful Submission: 2026-06-03 15:35:03

Setting Register Values

Time of First Successful Submission: 2026-07-16 21:47:02

Popping Stack Values

Time of First Successful Submission: 2026-06-03 23:17:03

Examining Memory

Time of First Successful Submission: 2026-06-03 23:32:45

Examining Stack Pointers

Time of First Successful Submission: 2026-06-03 23:54:04

Cooperative Debugging

Time of First Successful Submission: 2026-06-04 21:42:16

Running with Arguments

Time of First Successful Submission: 2026-06-04 22:14:14

Redirecting Input in GDB

Time of First Successful Submission: 2026-06-29 21:59:14

Writing Output

Time of First Successful Submission: 2026-06-05 00:59:43

Chaining Syscalls

Time of First Successful Submission: 2026-06-05 22:38:21

Writing Strings

Time of First Successful Submission: 2026-06-05 22:56:22

Reading Data

Time of First Successful Submission: 2026-06-14 22:12:56

Reading Exactly

Time of First Successful Submission: 2026-06-16 16:54:11

Opening Files

Time of First Successful Submission: 2026-06-15 23:10:43

Hardcoding the Filename

Time of First Successful Submission: 2026-06-26 15:45:26

RIP-Relative Strings

Time of First Successful Submission: 2026-07-01 11:26:10


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-05-31 12:33:28

... and again!

Time of First Successful Submission: 2026-05-31 12:35:58

Newline Troubles

Time of First Successful Submission: 2026-05-31 16:43:52

Reasoning about files

Time of First Successful Submission: 2026-05-31 21:01:59

Specifying Filenames

Time of First Successful Submission: 2026-06-01 20:34:30

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-01 23:43:56

More Hex

Time of First Successful Submission: 2026-06-01 23:51:31

Decoding Hex

Time of First Successful Submission: 2026-06-02 00:20:11

Decoding Practice

Time of First Successful Submission: 2026-06-02 00:39:55

Encoding Practice

Time of First Successful Submission: 2026-06-06 12:42:49

Hex-encoding ASCII

Time of First Successful Submission: 2026-06-07 22:39:08

Nested Encoding

Time of First Successful Submission: 2026-06-08 01:09:31

Hex-encoding UTF-8

Time of First Successful Submission: 2026-06-08 18:05:32

UTF Mixups

Time of First Successful Submission: 2026-06-09 12:46:29

Modifying Encoded Data

Time of First Successful Submission: 2026-06-12 16:07:56

Decoding Base64

Time of First Successful Submission: 2026-06-12 16:33:49

Encoding Base64

Time of First Successful Submission: 2026-06-12 16:51:05

Dealing with Obfuscation

Time of First Successful Submission: 2026-06-12 17:48:36

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-06-13 00:06:52

Your First HTTP Request

Time of First Successful Submission: 2026-06-18 20:02:08

Reading Flask

Time of First Successful Submission: 2026-06-18 23:01:33

Commented Data

Time of First Successful Submission: 2026-06-19 14:47:57

HTTP Metadata

Time of First Successful Submission: 2026-06-20 20:28:16

HTTP (netcat)

Time of First Successful Submission: 2026-07-19 15:26:39

HTTP Paths (netcat)

Time of First Successful Submission: 2026-07-19 15:41:01

HTTP (curl)

Time of First Successful Submission: 2026-07-19 15:44:01

HTTP (python)

Time of First Successful Submission: 2026-07-19 16:45:01

HTTP Host Header (python)

Time of First Successful Submission: 2026-09-06 12:22:20

HTTP Host Header (curl)

Time of First Successful Submission: 2026-09-07 14:30:22

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-09-07 14:57:20

URL Encoding (netcat)

Time of First Successful Submission: 2026-09-07 15:05:27

HTTP GET Parameters

Time of First Successful Submission: 2026-09-07 15:37:18

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-09-07 15:39:51

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-09-08 23:46:53

HTTP Forms

Time of First Successful Submission: 2026-09-09 16:36:46


DSU Cyber Camps

104 / 104 21 / 65566


Using the Terminal

Time of First Successful Submission: 2026-05-08 16:30:20

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-08 21:36:43

Using the GUI Desktop

Time of First Successful Submission: 2026-05-08 21:41:16

Pasting into the Desktop

Time of First Successful Submission: 2026-05-08 21:46:18

Connecting over SSH

Time of First Successful Submission: 2026-05-08 22:11:37

Restarting Challenges

Time of First Successful Submission: 2026-05-08 17:19:48

Getting Help

Time of First Successful Submission: 2026-05-08 22:20:21

Challenge Programs

Time of First Successful Submission: 2026-05-08 17:14:12

The Flag File

Time of First Successful Submission: 2026-05-08 17:23:09

Using Privileged Mode

Time of First Successful Submission: 2026-05-08 21:57:58

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-08 22:02:38

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-08 22:03:17

Running Commands

Time of First Successful Submission: 2026-05-26 01:05:00

Move through the Linux filesystem.

Time of First Successful Submission: 2026-05-26 01:07:38

Create and delete files.

Time of First Successful Submission: 2026-05-26 03:04:35

Move, copy, and rename files.

Time of First Successful Submission: 2026-05-26 03:09:23

Display file contents in the terminal.

Time of First Successful Submission: 2026-05-26 03:10:35

Create files with nano.

Time of First Successful Submission: 2026-05-26 03:12:03

Edit files with nano.

Time of First Successful Submission: 2026-05-26 03:12:50

Locate files on the Linux filesystem.

Time of First Successful Submission: 2026-05-26 03:15:06

Find the password! (Searching files)

Time of First Successful Submission: 2026-05-26 03:20:39

Advanced Directory Techniques.

Time of First Successful Submission: 2026-05-26 03:27:25

Learn about command flags.

Time of First Successful Submission: 2026-05-26 03:31:03

Printing

Time of First Successful Submission: 2026-07-24 12:55:24

Variables

Time of First Successful Submission: 2026-07-24 18:15:45

Format Print

Time of First Successful Submission: 2026-07-24 18:35:43

User Input

Time of First Successful Submission: 2026-07-24 20:55:52

Type Casting

Time of First Successful Submission: 2026-07-24 21:21:31

Knowledge Check I (Input/Output)

Time of First Successful Submission: 2026-07-25 08:06:29

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2026-07-25 08:11:17

Math

Time of First Successful Submission: 2026-07-25 08:14:35

Floor Division

Time of First Successful Submission: 2026-07-26 10:41:18

Geometry

Time of First Successful Submission: 2026-07-27 06:22:41

Comparison

Time of First Successful Submission: 2026-07-27 07:24:17

Knowledge Check I (Math)

Time of First Successful Submission: 2026-07-27 20:13:45

Knowledge Check II (Math)

Time of First Successful Submission: 2026-07-27 21:44:09

If Statements

Time of First Successful Submission: 2026-07-27 22:24:25

If Else Statements

Time of First Successful Submission: 2026-07-27 22:29:46

Nested

Time of First Successful Submission: 2026-07-27 23:07:42

Else If Blocks

Time of First Successful Submission: 2026-07-27 23:13:28

Logical Operators

Time of First Successful Submission: 2026-07-28 18:33:49

Knowledge Check I (Conditionals)

Time of First Successful Submission: 2026-07-29 15:26:09

While

Time of First Successful Submission: 2026-07-29 15:28:59

Lists

Time of First Successful Submission: 2026-07-29 15:31:38

Range

Time of First Successful Submission: 2026-07-29 15:36:04

For

Time of First Successful Submission: 2026-07-29 16:19:11

Knowledge Check I (Loops)

Time of First Successful Submission: 2026-07-29 20:59:34

Caesar Cipher Encoding

Time of First Successful Submission: 2026-07-29 22:09:32

Caesar Cipher Decoding

Time of First Successful Submission: 2026-07-29 22:12:06

Substitution Cipher Encoding

Time of First Successful Submission: 2026-07-29 22:14:00

Substitution Cipher Decoding

Time of First Successful Submission: 2026-07-29 22:15:05

ASCII Encoding

Time of First Successful Submission: 2026-07-29 22:16:01

ASCII Decoding

Time of First Successful Submission: 2026-07-29 22:17:05

Hexadecimal - Encoding

Time of First Successful Submission: 2026-07-29 22:18:38

Hexadecimal - Decoding

Time of First Successful Submission: 2026-07-30 15:52:10

Binary Encoding

Time of First Successful Submission: 2026-07-30 15:58:22

Binary Decoding

Time of First Successful Submission: 2026-07-30 16:02:14

Morse Code - Encoding

Time of First Successful Submission: 2026-07-30 16:03:28

Morse Code - Decoding

Time of First Successful Submission: 2026-07-30 16:04:27

Base64 - Encoding

Time of First Successful Submission: 2026-07-30 16:10:41

Base64 - Decoding

Time of First Successful Submission: 2026-07-30 16:14:44

Playfair - Encoding

Time of First Successful Submission: 2026-07-31 13:48:07

Playfair - Decoding

Time of First Successful Submission: 2026-07-31 13:50:45

Polybius Square - Encoding

Time of First Successful Submission: 2026-07-31 14:38:58

Polybius Square - Decoding

Time of First Successful Submission: 2026-07-31 14:40:41

Rail Fence (Zigzag) - Encoding

Time of First Successful Submission: 2026-07-31 14:49:35

Rail Fence (Zigzag) - Decoding

Time of First Successful Submission: 2026-07-31 14:52:36

Caesar Cipher Scripting

Time of First Successful Submission: 2026-07-31 16:24:19

Caesar Cipher Brute Force

Time of First Successful Submission: 2026-07-31 16:50:26

Easy Challenge #1

Time of First Successful Submission: 2026-07-31 16:51:51

Medium Challenge #1

Time of First Successful Submission: 2026-07-31 17:52:13

Hard Challenge #1

Time of First Successful Submission: 2026-07-31 18:15:52

Google Dorks

Time of First Successful Submission: 2026-07-29 22:35:36

Social Media Password

Time of First Successful Submission: 2026-07-31 19:29:15

Wayback Machine I

Time of First Successful Submission: 2026-08-01 13:05:56

Wayback Machine II

Time of First Successful Submission: 2026-08-01 16:33:23

Pale Red Horse Squad

Time of First Successful Submission: 2026-08-02 14:22:07

Swiss Army Button

Time of First Successful Submission: 2026-08-02 15:54:12

YeeBay

Time of First Successful Submission: 2026-08-03 06:25:43

Am I Admin?

Time of First Successful Submission: 2026-08-03 13:22:04

Am I Admin 2?

Time of First Successful Submission: 2026-08-03 13:25:48

Forceful Browsing

Time of First Successful Submission: 2026-08-04 00:29:09

Intro to BurpSuite

Time of First Successful Submission: 2026-08-07 21:33:33

Intruder Alert!

Time of First Successful Submission: 2026-08-07 22:05:32

Creepy Crawly

Time of First Successful Submission: 2026-08-09 12:29:24

Mr. Moneybags

Time of First Successful Submission: 2026-08-09 23:01:25

XML + Ratio

Time of First Successful Submission: 2026-08-12 12:10:02

Cache Money

Time of First Successful Submission: 2026-08-13 21:05:25

Buffer Overflow

Time of First Successful Submission: 2026-08-14 18:02:51

Magic Number

Time of First Successful Submission: 2026-08-14 22:10:28

Reverse Password Plaintext

Time of First Successful Submission: 2026-08-16 22:07:42

Reverse Password Backward

Time of First Successful Submission: 2026-08-17 15:06:12

Reverse Password Cipher

Time of First Successful Submission: 2026-08-21 17:37:14

Icky Input

Time of First Successful Submission: 2026-08-23 14:37:10

Grep Master

Time of First Successful Submission: 2026-08-23 14:43:06

Unlock The Vault

Time of First Successful Submission: 2026-08-23 14:50:09

Locked Treasure Chest

Time of First Successful Submission: 2026-08-23 14:59:29

The Artists Clue

Time of First Successful Submission: 2026-08-23 19:00:42

Code Cracker

Time of First Successful Submission: 2026-08-24 15:23:53

Chatty Server

Time of First Successful Submission: 2026-08-24 15:38:36

Secret Message In Photo

Time of First Successful Submission: 2026-08-24 17:56:07

Hidden Treasures In The Picture

Time of First Successful Submission: 2026-08-24 22:05:38

Findthegeneral

Time of First Successful Submission: 2026-08-25 13:04:48

Findthegeneralii

Time of First Successful Submission: 2026-08-25 21:03:07


GCA CTF

104 / 104 21 / 65566


Using the Terminal

Time of First Successful Submission: 2026-05-08 16:30:20

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-08 21:36:43

Using the GUI Desktop

Time of First Successful Submission: 2026-05-08 21:41:16

Pasting into the Desktop

Time of First Successful Submission: 2026-05-08 21:46:18

Connecting over SSH

Time of First Successful Submission: 2026-05-08 22:11:37

Restarting Challenges

Time of First Successful Submission: 2026-05-08 17:19:48

Getting Help

Time of First Successful Submission: 2026-05-08 22:20:21

Challenge Programs

Time of First Successful Submission: 2026-05-08 17:14:12

The Flag File

Time of First Successful Submission: 2026-05-08 17:23:09

Using Privileged Mode

Time of First Successful Submission: 2026-05-08 21:57:58

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-08 22:02:38

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-08 22:03:17

Running Commands

Time of First Successful Submission: 2026-05-26 01:05:00

Move through the Linux filesystem.

Time of First Successful Submission: 2026-05-26 01:07:38

Create and delete files.

Time of First Successful Submission: 2026-05-26 03:04:35

Move, copy, and rename files.

Time of First Successful Submission: 2026-05-26 03:09:23

Display file contents in the terminal.

Time of First Successful Submission: 2026-05-26 03:10:35

Create files with nano.

Time of First Successful Submission: 2026-05-26 03:12:03

Edit files with nano.

Time of First Successful Submission: 2026-05-26 03:12:50

Locate files on the Linux filesystem.

Time of First Successful Submission: 2026-05-26 03:15:06

Find the password! (Searching files)

Time of First Successful Submission: 2026-05-26 03:20:39

Advanced Directory Techniques.

Time of First Successful Submission: 2026-05-26 03:27:25

Learn about command flags.

Time of First Successful Submission: 2026-05-26 03:31:03

Printing

Time of First Successful Submission: 2026-07-24 12:55:24

Variables

Time of First Successful Submission: 2026-07-24 18:15:45

Format Print

Time of First Successful Submission: 2026-07-24 18:35:43

User Input

Time of First Successful Submission: 2026-07-24 20:55:52

Type Casting

Time of First Successful Submission: 2026-07-24 21:21:31

Knowledge Check I (Input/Output)

Time of First Successful Submission: 2026-07-25 08:06:29

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2026-07-25 08:11:17

Math

Time of First Successful Submission: 2026-07-25 08:14:35

Floor Division

Time of First Successful Submission: 2026-07-26 10:41:18

Geometry

Time of First Successful Submission: 2026-07-27 06:22:41

Comparison

Time of First Successful Submission: 2026-07-27 07:24:17

Knowledge Check I (Math)

Time of First Successful Submission: 2026-07-27 20:13:45

Knowledge Check II (Math)

Time of First Successful Submission: 2026-07-27 21:44:09

If Statements

Time of First Successful Submission: 2026-07-27 22:24:25

If Else Statements

Time of First Successful Submission: 2026-07-27 22:29:46

Nested

Time of First Successful Submission: 2026-07-27 23:07:42

Else If Blocks

Time of First Successful Submission: 2026-07-27 23:13:28

Logical Operators

Time of First Successful Submission: 2026-07-28 18:33:49

Knowledge Check I (Conditionals)

Time of First Successful Submission: 2026-07-29 15:26:09

While

Time of First Successful Submission: 2026-07-29 15:28:59

Lists

Time of First Successful Submission: 2026-07-29 15:31:38

Range

Time of First Successful Submission: 2026-07-29 15:36:04

For

Time of First Successful Submission: 2026-07-29 16:19:11

Knowledge Check I (Loops)

Time of First Successful Submission: 2026-07-29 20:59:34

Caesar Cipher Encoding

Time of First Successful Submission: 2026-07-29 22:09:32

Caesar Cipher Decoding

Time of First Successful Submission: 2026-07-29 22:12:06

Substitution Cipher Encoding

Time of First Successful Submission: 2026-07-29 22:14:00

Substitution Cipher Decoding

Time of First Successful Submission: 2026-07-29 22:15:05

ASCII Encoding

Time of First Successful Submission: 2026-07-29 22:16:01

ASCII Decoding

Time of First Successful Submission: 2026-07-29 22:17:05

Hexadecimal - Encoding

Time of First Successful Submission: 2026-07-29 22:18:38

Hexadecimal - Decoding

Time of First Successful Submission: 2026-07-30 15:52:10

Binary Encoding

Time of First Successful Submission: 2026-07-30 15:58:22

Binary Decoding

Time of First Successful Submission: 2026-07-30 16:02:14

Morse Code - Encoding

Time of First Successful Submission: 2026-07-30 16:03:28

Morse Code - Decoding

Time of First Successful Submission: 2026-07-30 16:04:27

Base64 - Encoding

Time of First Successful Submission: 2026-07-30 16:10:41

Base64 - Decoding

Time of First Successful Submission: 2026-07-30 16:14:44

Playfair - Encoding

Time of First Successful Submission: 2026-07-31 13:48:07

Playfair - Decoding

Time of First Successful Submission: 2026-07-31 13:50:45

Polybius Square - Encoding

Time of First Successful Submission: 2026-07-31 14:38:58

Polybius Square - Decoding

Time of First Successful Submission: 2026-07-31 14:40:41

Rail Fence (Zigzag) - Encoding

Time of First Successful Submission: 2026-07-31 14:49:35

Rail Fence (Zigzag) - Decoding

Time of First Successful Submission: 2026-07-31 14:52:36

Caesar Cipher Scripting

Time of First Successful Submission: 2026-07-31 16:24:19

Caesar Cipher Brute Force

Time of First Successful Submission: 2026-07-31 16:50:26

Easy Challenge #1

Time of First Successful Submission: 2026-07-31 16:51:51

Medium Challenge #1

Time of First Successful Submission: 2026-07-31 17:52:13

Hard Challenge #1

Time of First Successful Submission: 2026-07-31 18:15:52

Google Dorks

Time of First Successful Submission: 2026-07-29 22:35:36

Social Media Password

Time of First Successful Submission: 2026-07-31 19:29:15

Wayback Machine I

Time of First Successful Submission: 2026-08-01 13:05:56

Wayback Machine II

Time of First Successful Submission: 2026-08-01 16:33:23

Pale Red Horse Squad

Time of First Successful Submission: 2026-08-02 14:22:07

Swiss Army Button

Time of First Successful Submission: 2026-08-02 15:54:12

YeeBay

Time of First Successful Submission: 2026-08-03 06:25:43

Am I Admin?

Time of First Successful Submission: 2026-08-03 13:22:04

Am I Admin 2?

Time of First Successful Submission: 2026-08-03 13:25:48

Forceful Browsing

Time of First Successful Submission: 2026-08-04 00:29:09

Intro to BurpSuite

Time of First Successful Submission: 2026-08-07 21:33:33

Intruder Alert!

Time of First Successful Submission: 2026-08-07 22:05:32

Creepy Crawly

Time of First Successful Submission: 2026-08-09 12:29:24

Mr. Moneybags

Time of First Successful Submission: 2026-08-09 23:01:25

XML + Ratio

Time of First Successful Submission: 2026-08-12 12:10:02

Cache Money

Time of First Successful Submission: 2026-08-13 21:05:25

Buffer Overflow

Time of First Successful Submission: 2026-08-14 18:02:51

Magic Number

Time of First Successful Submission: 2026-08-14 22:10:28

Reverse Password Plaintext

Time of First Successful Submission: 2026-08-16 22:07:42

Reverse Password Backward

Time of First Successful Submission: 2026-08-17 15:06:12

Reverse Password Cipher

Time of First Successful Submission: 2026-08-21 17:37:14

Icky Input

Time of First Successful Submission: 2026-08-23 14:37:10

Grep Master

Time of First Successful Submission: 2026-08-23 14:43:06

Unlock The Vault

Time of First Successful Submission: 2026-08-23 14:50:09

Locked Treasure Chest

Time of First Successful Submission: 2026-08-23 14:59:29

The Artists Clue

Time of First Successful Submission: 2026-08-23 19:00:42

Code Cracker

Time of First Successful Submission: 2026-08-24 15:23:53

Chatty Server

Time of First Successful Submission: 2026-08-24 15:38:36

Secret Message In Photo

Time of First Successful Submission: 2026-08-24 17:56:07

Hidden Treasures In The Picture

Time of First Successful Submission: 2026-08-24 22:05:38

Findthegeneral

Time of First Successful Submission: 2026-08-25 13:04:48

Findthegeneralii

Time of First Successful Submission: 2026-08-25 21:03:07