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1 / 232 25391 / 25764


Triple Dereference

Time of First Successful Submission: 2025-10-20 10:04:13


Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-09-21 10:41:14

Command Arguments

Time of First Successful Submission: 2025-09-21 10:42:39

Command History

Time of First Successful Submission: 2025-09-21 10:43:19

The Root Path

Time of First Successful Submission: 2025-09-21 10:45:59

Absolute Paths

Time of First Successful Submission: 2025-09-21 11:18:34

Changing position

Time of First Successful Submission: 2025-09-21 11:20:51

Changing to an Absolute Path

Time of First Successful Submission: 2025-09-21 11:23:33

Relative Paths

Time of First Successful Submission: 2025-09-21 11:27:50

Cat

Time of First Successful Submission: 2025-09-21 11:58:25

Ls

Time of First Successful Submission: 2025-09-21 12:12:03

Ls All

Time of First Successful Submission: 2025-09-21 12:27:27

Find

Time of First Successful Submission: 2025-09-22 06:27:57

Piping Echo

Time of First Successful Submission: 2025-09-22 19:06:10

Piping Stdout

Time of First Successful Submission: 2025-09-22 19:27:52

Piping Stdin

Time of First Successful Submission: 2025-09-22 21:24:15


Intro to Cybersecurity

10 / 183 14460 / 21803


Your First Overflow (easy)

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

Your First Overflow (hard)

Time of First Successful Submission: 2026-01-13 13:21:52

Precision (easy)

Time of First Successful Submission: 2026-01-13 13:44:52

Precision (hard)

Time of First Successful Submission: 2026-01-13 13:47:24

Variable Control (easy)

Time of First Successful Submission: 2026-01-13 17:19:09

Variable Control (hard)

Time of First Successful Submission: 2026-01-13 19:15:28

Control Hijack (easy)

Time of First Successful Submission: 2026-01-19 21:44:40

Control Hijack (hard)

Time of First Successful Submission: 2026-01-19 22:06:55

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-01-19 22:40:21

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-01-20 08:58:22


Start Here

11 / 12 6305 / 50876


Using the Terminal

Time of First Successful Submission: 2025-09-20 14:06:17

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-20 14:08:43

Using the GUI Desktop

Time of First Successful Submission: 2025-09-20 14:11:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-20 14:15:26

Restarting Challenges

Time of First Successful Submission: 2025-09-20 14:19:54

Challenge Programs

Time of First Successful Submission: 2025-09-21 10:15:41

The Flag File

Time of First Successful Submission: 2025-09-21 10:17:51

Using Privileged Mode

Time of First Successful Submission: 2025-09-21 10:27:24

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-21 10:37:24

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-21 10:39:06


Linux Luminarium

128 / 128 1394 / 37570


Intro to Commands

Time of First Successful Submission: 2025-09-21 10:41:14

Intro to Arguments

Time of First Successful Submission: 2025-09-21 10:42:39

Command History

Time of First Successful Submission: 2025-09-21 10:43:19

The Root

Time of First Successful Submission: 2025-09-21 10:45:59

Program and absolute paths

Time of First Successful Submission: 2025-09-21 11:18:34

Position thy self

Time of First Successful Submission: 2025-09-21 11:20:51

Position elsewhere

Time of First Successful Submission: 2025-09-21 11:23:33

implicit relative paths, from /

Time of First Successful Submission: 2025-09-21 11:27:50

explicit relative paths, from /

Time of First Successful Submission: 2025-09-21 11:29:56

implicit relative path

Time of First Successful Submission: 2025-09-21 11:31:12

home sweet home

Time of First Successful Submission: 2025-09-21 11:57:04

cat: not the pet, but the command!

Time of First Successful Submission: 2025-09-21 11:58:25

catting absolute paths

Time of First Successful Submission: 2025-09-21 11:59:24

more catting practice

Time of First Successful Submission: 2025-09-21 12:02:49

grepping for a needle in a haystack

Time of First Successful Submission: 2025-09-21 12:07:55

comparing files

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

listing files

Time of First Successful Submission: 2025-09-21 12:12:03

touching files

Time of First Successful Submission: 2025-09-21 12:14:35

removing files

Time of First Successful Submission: 2025-09-21 12:17:37

moving files

Time of First Successful Submission: 2025-09-21 12:26:20

copying files

Time of First Successful Submission: 2026-01-12 13:50:07

hidden files

Time of First Successful Submission: 2025-09-21 12:27:27

An Epic Filesystem Quest

Time of First Successful Submission: 2025-09-21 12:49:31

making directories

Time of First Successful Submission: 2025-09-21 12:52:28

finding files

Time of First Successful Submission: 2025-09-22 06:27:57

linking files

Time of First Successful Submission: 2025-09-22 06:56:55

Learning From Documentation

Time of First Successful Submission: 2025-09-22 08:13:45

Learning Complex Usage

Time of First Successful Submission: 2025-09-22 08:26:33

Reading Manuals

Time of First Successful Submission: 2025-09-22 08:34:44

Searching Manuals

Time of First Successful Submission: 2025-09-22 08:39:23

Searching For Manuals

Time of First Successful Submission: 2025-09-22 10:05:30

Helpful Programs

Time of First Successful Submission: 2025-09-22 10:13:45

Help for Builtins

Time of First Successful Submission: 2025-09-22 10:22:12

Matching with *

Time of First Successful Submission: 2025-09-22 10:28:08

Matching with ?

Time of First Successful Submission: 2025-09-22 10:31:02

Matching with []

Time of First Successful Submission: 2025-09-22 10:46:06

Matching paths with []

Time of First Successful Submission: 2025-09-22 10:49:33

Multiple globs

Time of First Successful Submission: 2025-09-22 17:57:19

Mixing globs

Time of First Successful Submission: 2025-09-22 18:11:28

Exclusionary globbing

Time of First Successful Submission: 2025-09-22 18:45:58

Tab completion

Time of First Successful Submission: 2025-09-22 18:49:22

Multiple options for tab completion

Time of First Successful Submission: 2025-09-22 18:54:34

Tab completion on commands

Time of First Successful Submission: 2025-09-22 18:58:52

Redirecting output

Time of First Successful Submission: 2025-09-22 19:06:10

Redirecting more output

Time of First Successful Submission: 2025-09-22 19:27:52

Appending output

Time of First Successful Submission: 2025-09-22 19:33:20

Redirecting errors

Time of First Successful Submission: 2025-09-22 19:40:15

Redirecting input

Time of First Successful Submission: 2025-09-22 21:24:15

Grepping stored results

Time of First Successful Submission: 2025-09-22 21:27:47

Grepping live output

Time of First Successful Submission: 2025-09-22 21:29:18

Grepping errors

Time of First Successful Submission: 2025-09-22 21:31:00

Filtering with grep -v

Time of First Successful Submission: 2025-09-22 21:32:35

Filtering with sed

Time of First Successful Submission: 2026-01-12 13:33:59

Duplicating piped data with tee

Time of First Successful Submission: 2025-09-22 21:36:45

Process substitution for input

Time of First Successful Submission: 2025-09-22 21:41:53

Writing to multiple programs

Time of First Successful Submission: 2025-09-22 21:46:16

Split-piping stderr and stdout

Time of First Successful Submission: 2025-09-22 21:50:30

Named pipes

Time of First Successful Submission: 2025-09-22 21:54:28

Printing Variables

Time of First Successful Submission: 2025-09-22 21:55:45

Setting Variables

Time of First Successful Submission: 2025-09-22 21:56:55

Multi-word Variables

Time of First Successful Submission: 2025-09-22 21:58:29

Exporting Variables

Time of First Successful Submission: 2025-09-22 22:03:44

Printing Exported Variables

Time of First Successful Submission: 2025-09-22 22:06:07

Storing Command Output

Time of First Successful Submission: 2025-09-22 22:09:16

Reading Input

Time of First Successful Submission: 2025-09-22 22:11:41

Reading Files

Time of First Successful Submission: 2025-09-22 22:18:44

Translating characters

Time of First Successful Submission: 2025-09-22 22:25:52

Deleting characters

Time of First Successful Submission: 2025-09-22 22:27:43

Deleting newlines

Time of First Successful Submission: 2025-09-22 22:31:37

Extracting the first lines with head

Time of First Successful Submission: 2025-09-22 22:37:17

Extracting specific sections of text

Time of First Successful Submission: 2025-09-22 22:41:38

Sorting data

Time of First Successful Submission: 2025-09-22 22:45:31

Listing Processes

Time of First Successful Submission: 2025-09-22 22:53:41

Killing Processes

Time of First Successful Submission: 2025-09-22 23:00:35

Interrupting Processes

Time of First Successful Submission: 2025-09-22 23:01:57

Killing Misbehaving Processes

Time of First Successful Submission: 2025-09-22 23:13:01

Suspending Processes

Time of First Successful Submission: 2025-09-22 23:16:44

Resuming Processes

Time of First Successful Submission: 2025-09-22 23:17:44

Backgrounding Processes

Time of First Successful Submission: 2025-09-22 23:22:58

Foregrounding Processes

Time of First Successful Submission: 2025-09-22 23:24:44

Starting Backgrounded Processes

Time of First Successful Submission: 2025-09-22 23:26:13

Process Exit Codes

Time of First Successful Submission: 2025-09-22 23:27:52

Becoming root with su

Time of First Successful Submission: 2025-09-22 23:30:13

Other users with su

Time of First Successful Submission: 2025-09-22 23:31:11

Cracking passwords

Time of First Successful Submission: 2025-09-22 23:35:35

Using sudo

Time of First Successful Submission: 2025-09-22 23:37:22

Changing File Ownership

Time of First Successful Submission: 2025-09-24 10:08:58

Groups and Files

Time of First Successful Submission: 2025-09-24 10:14:35

Fun With Groups Names

Time of First Successful Submission: 2025-09-24 10:17:50

Changing Permissions

Time of First Successful Submission: 2025-09-24 10:18:53

Executable Files

Time of First Successful Submission: 2025-09-24 10:20:42

Permission Tweaking Practice

Time of First Successful Submission: 2025-09-24 10:29:13

Permissions Setting Practice

Time of First Successful Submission: 2025-09-24 10:35:39

The SUID Bit

Time of First Successful Submission: 2025-09-24 10:43:16

Chaining with Semicolons

Time of First Successful Submission: 2025-09-24 10:44:56

Building on Success

Time of First Successful Submission: 2025-09-24 10:45:51

Handling Failure

Time of First Successful Submission: 2025-09-24 10:46:53

Your First Shell Script

Time of First Successful Submission: 2025-09-24 10:54:11

Redirecting Script Output

Time of First Successful Submission: 2025-09-24 13:51:03

Executable Shell Scripts

Time of First Successful Submission: 2025-09-24 13:53:59

Understanding Shebangs

Time of First Successful Submission: 2025-09-24 13:59:28

Scripting with Arguments

Time of First Successful Submission: 2025-09-24 14:05:07

Scripting with Conditionals

Time of First Successful Submission: 2025-09-24 14:23:20

Scripting with Default Cases

Time of First Successful Submission: 2025-09-24 14:25:19

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-09-24 14:32:28

Reading Shell Scripts

Time of First Successful Submission: 2025-09-24 14:49:31

Launching Screen

Time of First Successful Submission: 2025-09-24 14:50:48

Detaching and Attaching

Time of First Successful Submission: 2025-09-24 14:53:12

Finding Sessions

Time of First Successful Submission: 2025-09-24 14:58:56

Switching Windows

Time of First Successful Submission: 2025-09-24 16:38:03

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-09-24 16:40:38

Switching Windows (tmux)

Time of First Successful Submission: 2025-09-25 14:30:36

The PATH Variable

Time of First Successful Submission: 2025-09-24 23:06:12

Setting PATH

Time of First Successful Submission: 2025-09-24 23:07:19

Finding Commands

Time of First Successful Submission: 2025-09-24 23:13:11

Adding Commands

Time of First Successful Submission: 2025-09-24 23:23:33

Hijacking Commands

Time of First Successful Submission: 2025-10-20 12:06:00

Bashrc Backdoor

Time of First Successful Submission: 2025-10-23 10:04:21

Sniffing Input

Time of First Successful Submission: 2026-01-17 19:37:09

Overshared Directories

Time of First Successful Submission: 2026-01-17 20:03:37

Tricky Linking

Time of First Successful Submission: 2026-01-17 20:13:31

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-17 20:26:06

Snooping on Configurations

Time of First Successful Submission: 2026-01-17 20:32:24

The Fork Bomb

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

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-13 15:28:58

rm -rf /

Time of First Successful Submission: 2026-01-12 14:19:25

Life after rm -rf /

Time of First Successful Submission: 2026-01-12 14:37:39

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-12 15:40:51


Computing 101

15 / 132 13000 / 21117


Your First Register

Time of First Successful Submission: 2025-10-20 06:26:31

Your First Syscall

Time of First Successful Submission: 2025-10-20 06:36:52

Exit Codes

Time of First Successful Submission: 2025-10-20 06:48:45

Building Executables

Time of First Successful Submission: 2025-10-20 07:00:54

Moving Between Registers

Time of First Successful Submission: 2025-10-20 07:07:25

Loading From Memory

Time of First Successful Submission: 2025-10-20 08:19:16

More Loading Practice

Time of First Successful Submission: 2025-10-20 08:25:47

Dereferencing Pointers

Time of First Successful Submission: 2025-10-20 08:59:32

Dereferencing Yourself

Time of First Successful Submission: 2025-10-20 09:45:57

Dereferencing with Offsets

Time of First Successful Submission: 2025-10-20 09:50:07

Stored Addresses

Time of First Successful Submission: 2025-10-20 09:54:07

Double Dereference

Time of First Successful Submission: 2025-10-20 10:01:17

Tracing Syscalls

Time of First Successful Submission: 2025-10-20 07:22:16

Starting GDB

Time of First Successful Submission: 2025-10-20 07:24:41

Starting Programs in GDB

Time of First Successful Submission: 2025-10-20 07:28:39


Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-10-22 14:49:32

... and again!

Time of First Successful Submission: 2025-10-22 14:50:41

Newline Troubles

Time of First Successful Submission: 2025-10-23 06:34:48

Your First HTTP Request

Time of First Successful Submission: 2025-11-19 15:04:19

Reading Flask

Time of First Successful Submission: 2025-11-19 15:12:36

Commented Data

Time of First Successful Submission: 2025-11-19 15:15:34

HTTP Metadata

Time of First Successful Submission: 2025-11-19 15:19:40

HTTP (netcat)

Time of First Successful Submission: 2025-11-20 12:05:22

HTTP Paths (netcat)

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

HTTP (curl)

Time of First Successful Submission: 2026-02-10 09:33:45

HTTP (python)

Time of First Successful Submission: 2026-02-10 09:46:39

HTTP Host Header (python)

Time of First Successful Submission: 2026-02-10 19:54:10

cat

Time of First Successful Submission: 2026-03-12 09:51:50

more

Time of First Successful Submission: 2026-03-12 09:52:30

less

Time of First Successful Submission: 2026-03-12 09:52:59

tail

Time of First Successful Submission: 2026-03-12 09:53:28

head

Time of First Successful Submission: 2026-03-12 09:54:07

sort

Time of First Successful Submission: 2026-03-12 09:54:31

vim

Time of First Successful Submission: 2026-03-12 09:54:59

emacs

Time of First Successful Submission: 2026-03-12 09:55:29

nano

Time of First Successful Submission: 2026-03-12 09:56:24

rev

Time of First Successful Submission: 2026-03-12 10:07:48

od

Time of First Successful Submission: 2026-03-12 10:36:08

hd

Time of First Successful Submission: 2026-03-12 10:37:58

xxd

Time of First Successful Submission: 2026-03-12 10:42:48

base32

Time of First Successful Submission: 2026-03-12 10:46:03

base64

Time of First Successful Submission: 2026-03-12 10:47:18

split

Time of First Successful Submission: 2026-03-12 10:49:40

gzip

Time of First Successful Submission: 2026-03-12 11:39:18

bzip2

Time of First Successful Submission: 2026-03-12 13:11:11

zip

Time of First Successful Submission: 2026-03-12 13:30:18

tar

Time of First Successful Submission: 2026-03-12 14:30:03

ar

Time of First Successful Submission: 2026-03-12 14:33:14

SQL Queries

Time of First Successful Submission: 2025-10-22 07:09:39

Filtering SQL

Time of First Successful Submission: 2025-10-22 08:18:17

Choosing Columns

Time of First Successful Submission: 2025-10-22 08:36:53

Exclusionary Filtering

Time of First Successful Submission: 2025-10-22 08:44:15

Filtering Strings

Time of First Successful Submission: 2025-10-22 08:53:40

Filtering on Expressions

Time of First Successful Submission: 2025-10-22 09:00:11

SELECTing Expressions

Time of First Successful Submission: 2025-10-22 14:43:41

Composite Conditions

Time of First Successful Submission: 2025-10-22 10:48:09

Reaching Your LIMITs

Time of First Successful Submission: 2025-10-22 10:56:19

Querying Metadata

Time of First Successful Submission: 2025-10-22 10:58:48


DSU Cyber Camps

11 / 104 6549 / 51179


Using the Terminal

Time of First Successful Submission: 2025-09-20 14:06:17

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-20 14:08:43

Using the GUI Desktop

Time of First Successful Submission: 2025-09-20 14:11:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-20 14:15:26

Restarting Challenges

Time of First Successful Submission: 2025-09-20 14:19:54

Getting Help

Time of First Successful Submission: 2025-09-20 14:25:57

Challenge Programs

Time of First Successful Submission: 2025-09-21 10:15:41

The Flag File

Time of First Successful Submission: 2025-09-21 10:17:51

Using Privileged Mode

Time of First Successful Submission: 2025-09-21 10:27:24

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-21 10:37:24

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-21 10:39:06


GCA CTF

11 / 104 6549 / 51179


Using the Terminal

Time of First Successful Submission: 2025-09-20 14:06:17

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-20 14:08:43

Using the GUI Desktop

Time of First Successful Submission: 2025-09-20 14:11:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-20 14:15:26

Restarting Challenges

Time of First Successful Submission: 2025-09-20 14:19:54

Getting Help

Time of First Successful Submission: 2025-09-20 14:25:57

Challenge Programs

Time of First Successful Submission: 2025-09-21 10:15:41

The Flag File

Time of First Successful Submission: 2025-09-21 10:17:51

Using Privileged Mode

Time of First Successful Submission: 2025-09-21 10:27:24

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-21 10:37:24

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-21 10:39:06


The House Always Wins

2 / 9 72 / 130


Level1

Time of First Successful Submission: 2025-12-08 10:03:13

Level2

Time of First Successful Submission: 2025-12-08 14:18:50