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Triple Dereference

Time of First Successful Submission: 2025-05-12 18:07:59

set-register

Time of First Successful Submission: 2025-05-16 16:22:36

set-multiple-registers

Time of First Successful Submission: 2025-05-16 16:44:55

add-to-register

Time of First Successful Submission: 2025-05-17 07:59:56

linear-equation-registers

Time of First Successful Submission: 2025-05-19 19:19:04

integer-division

Time of First Successful Submission: 2025-05-21 15:12:01

modulo-operation

Time of First Successful Submission: 2025-05-21 15:17:19

set-upper-byte

Time of First Successful Submission: 2025-05-21 19:02:13

efficient-modulo

Time of First Successful Submission: 2025-06-01 13:35:20

byte-extraction

Time of First Successful Submission: 2025-06-01 13:52:51

bitwise-and

Time of First Successful Submission: 2025-06-03 20:42:03

check-even

Time of First Successful Submission: 2025-06-04 19:15:46

memory-read

Time of First Successful Submission: 2025-06-04 19:35:11

memory-write

Time of First Successful Submission: 2025-06-04 19:37:04

memory-increment

Time of First Successful Submission: 2025-06-10 11:53:24

byte-access

Time of First Successful Submission: 2025-06-10 14:16:45

memory-size-access

Time of First Successful Submission: 2025-06-10 14:21:31

little-endian-write

Time of First Successful Submission: 2025-06-14 10:29:36

memory-sum

Time of First Successful Submission: 2025-06-16 16:21:24

stack-subtraction

Time of First Successful Submission: 2025-07-03 19:11:24

swap-stack-values

Time of First Successful Submission: 2025-07-03 19:14:09

average-stack-values

Time of First Successful Submission: 2025-07-03 19:38:44

absolute-jump

Time of First Successful Submission: 2025-07-06 09:36:11

relative-jump

Time of First Successful Submission: 2025-07-14 10:21:42

jump-trampoline

Time of First Successful Submission: 2025-07-14 15:12:24

conditional-jump

Time of First Successful Submission: 2025-07-17 11:33:53

average-loop

Time of First Successful Submission: 2025-08-09 21:07:20

count-non-zero

Time of First Successful Submission: 2025-08-14 13:39:06

Intro to Programming Languages

14 / 253 21340 / 49540

Commands

Time of First Successful Submission: 2025-04-20 08:49:03

Command Arguments

Time of First Successful Submission: 2025-04-20 08:51:01

The Root Path

Time of First Successful Submission: 2025-04-20 08:53:10

Absolute Paths

Time of First Successful Submission: 2025-04-21 08:20:42

Changing position

Time of First Successful Submission: 2025-04-21 08:22:45

Changing to an Absolute Path

Time of First Successful Submission: 2025-04-23 17:54:13

Relative Paths

Time of First Successful Submission: 2025-04-23 17:58:34

Cat

Time of First Successful Submission: 2025-04-24 19:48:12

Ls

Time of First Successful Submission: 2025-04-24 19:56:36

Ls All

Time of First Successful Submission: 2025-04-24 20:00:29

Find

Time of First Successful Submission: 2025-04-24 20:26:02

Piping Echo

Time of First Successful Submission: 2025-04-25 22:19:51

Piping Stdout

Time of First Successful Submission: 2025-04-25 22:21:16

Piping Stdin

Time of First Successful Submission: 2025-04-28 22:13:14

Start Here

9 / 10 27760 / 68657

Using the VSCode Workspace

Time of First Successful Submission: 2025-04-18 22:02:06

Using the GUI Desktop

Time of First Successful Submission: 2025-04-19 10:04:53

Pasting into the Desktop

Time of First Successful Submission: 2025-04-19 10:09:23

Restarting Challenges

Time of First Successful Submission: 2025-04-19 10:13:08

Challenge Programs

Time of First Successful Submission: 2025-04-20 08:54:15

The Flag File

Time of First Successful Submission: 2025-04-20 08:56:20

Using Privileged Mode

Time of First Successful Submission: 2025-04-21 08:12:39

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-21 08:16:10

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-21 08:17:46

Linux Luminarium

83 / 128 15458 / 50248

Intro to Commands

Time of First Successful Submission: 2025-04-20 08:49:03

Intro to Arguments

Time of First Successful Submission: 2025-04-20 08:51:01

The Root

Time of First Successful Submission: 2025-04-20 08:53:10

Program and absolute paths

Time of First Successful Submission: 2025-04-21 08:20:42

Position thy self

Time of First Successful Submission: 2025-04-21 08:22:45

Position elsewhere

Time of First Successful Submission: 2025-04-23 17:54:13

implicit relative paths, from /

Time of First Successful Submission: 2025-04-23 17:58:34

explicit relative paths, from /

Time of First Successful Submission: 2025-04-23 18:00:21

implicit relative path

Time of First Successful Submission: 2025-04-23 18:02:44

home sweet home

Time of First Successful Submission: 2025-04-23 21:27:01

cat: not the pet, but the command!

Time of First Successful Submission: 2025-04-24 19:48:12

catting absolute paths

Time of First Successful Submission: 2025-04-24 19:49:33

more catting practice

Time of First Successful Submission: 2025-04-24 19:50:57

grepping for a needle in a haystack

Time of First Successful Submission: 2025-04-24 19:52:28

listing files

Time of First Successful Submission: 2025-04-24 19:56:36

touching files

Time of First Successful Submission: 2025-04-24 19:57:57

removing files

Time of First Successful Submission: 2025-04-24 19:58:58

hidden files

Time of First Successful Submission: 2025-04-24 20:00:29

An Epic Filesystem Quest

Time of First Successful Submission: 2025-04-24 20:07:46

making directories

Time of First Successful Submission: 2025-04-24 20:22:10

finding files

Time of First Successful Submission: 2025-04-24 20:26:02

linking files

Time of First Successful Submission: 2025-04-24 20:44:19

Learning From Documentation

Time of First Successful Submission: 2025-04-24 21:40:15

Learning Complex Usage

Time of First Successful Submission: 2025-04-24 21:42:40

Reading Manuals

Time of First Successful Submission: 2025-04-24 21:48:11

Searching Manuals

Time of First Successful Submission: 2025-04-24 21:49:59

Searching For Manuals

Time of First Successful Submission: 2025-04-24 21:55:27

Helpful Programs

Time of First Successful Submission: 2025-04-24 22:04:50

Help for Builtins

Time of First Successful Submission: 2025-04-24 22:08:22

Matching with *

Time of First Successful Submission: 2025-04-25 21:53:02

Matching with ?

Time of First Successful Submission: 2025-04-25 21:59:00

Matching with []

Time of First Successful Submission: 2025-04-25 22:01:29

Matching paths with []

Time of First Successful Submission: 2025-04-25 22:04:29

Mixing globs

Time of First Successful Submission: 2025-04-25 22:10:06

Exclusionary globbing

Time of First Successful Submission: 2025-04-25 22:12:54

Redirecting output

Time of First Successful Submission: 2025-04-25 22:19:51

Redirecting more output

Time of First Successful Submission: 2025-04-25 22:21:16

Appending output

Time of First Successful Submission: 2025-04-27 19:18:55

Redirecting errors

Time of First Successful Submission: 2025-04-27 19:26:23

Redirecting input

Time of First Successful Submission: 2025-04-28 22:13:14

Grepping stored results

Time of First Successful Submission: 2025-04-28 22:21:39

Grepping live output

Time of First Successful Submission: 2025-04-28 22:23:29

Grepping errors

Time of First Successful Submission: 2025-04-29 18:52:46

Duplicating piped data with tee

Time of First Successful Submission: 2025-04-29 19:17:07

Writing to multiple programs

Time of First Successful Submission: 2025-05-05 12:27:07

Split-piping stderr and stdout

Time of First Successful Submission: 2025-05-05 21:05:30

Printing Variables

Time of First Successful Submission: 2025-05-06 19:39:11

Setting Variables

Time of First Successful Submission: 2025-05-06 19:40:28

Multi-word Variables

Time of First Successful Submission: 2025-05-06 19:42:03

Exporting Variables

Time of First Successful Submission: 2025-05-06 19:51:58

Printing Exported Variables

Time of First Successful Submission: 2025-05-06 19:53:11

Storing Command Output

Time of First Successful Submission: 2025-05-07 17:42:38

Reading Input

Time of First Successful Submission: 2025-05-07 17:44:59

Reading Files

Time of First Successful Submission: 2025-05-07 17:48:22

Listing Processes

Time of First Successful Submission: 2025-05-07 17:57:06

Killing Processes

Time of First Successful Submission: 2025-05-08 18:06:24

Interrupting Processes

Time of First Successful Submission: 2025-05-08 18:09:07

Suspending Processes

Time of First Successful Submission: 2025-05-08 18:11:39

Resuming Processes

Time of First Successful Submission: 2025-05-08 18:12:30

Backgrounding Processes

Time of First Successful Submission: 2025-05-08 18:37:16

Foregrounding Processes

Time of First Successful Submission: 2025-05-08 18:38:27

Starting Backgrounded Processes

Time of First Successful Submission: 2025-05-08 18:39:01

Process Exit Codes

Time of First Successful Submission: 2025-05-08 21:11:41

Becoming root with su

Time of First Successful Submission: 2025-05-10 07:27:15

Other users with su

Time of First Successful Submission: 2025-05-10 07:28:23

Cracking passwords

Time of First Successful Submission: 2025-05-10 08:25:32

Using sudo

Time of First Successful Submission: 2025-05-10 08:28:51

Changing File Ownership

Time of First Successful Submission: 2025-05-08 21:18:40

Groups and Files

Time of First Successful Submission: 2025-05-09 16:14:16

Fun With Groups Names

Time of First Successful Submission: 2025-05-09 16:15:25

Changing Permissions

Time of First Successful Submission: 2025-05-09 16:19:55

Executable Files

Time of First Successful Submission: 2025-05-09 16:22:53

Permission Tweaking Practice

Time of First Successful Submission: 2025-05-09 21:03:57

Permissions Setting Practice

Time of First Successful Submission: 2025-05-09 21:55:38

The SUID Bit

Time of First Successful Submission: 2025-05-09 21:59:26

Chaining with Semicolons

Time of First Successful Submission: 2025-05-10 08:30:42

Your First Shell Script

Time of First Successful Submission: 2025-05-10 09:12:04

Redirecting Script Output

Time of First Successful Submission: 2025-05-10 09:14:31

Executable Shell Scripts

Time of First Successful Submission: 2025-05-10 09:20:10

The PATH Variable

Time of First Successful Submission: 2025-05-10 09:22:18

Setting PATH

Time of First Successful Submission: 2025-05-10 09:23:55

Adding Commands

Time of First Successful Submission: 2025-05-10 09:43:34

Hijacking Commands

Time of First Successful Submission: 2025-05-10 09:45:18

Computing 101

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Your First Register

Time of First Successful Submission: 2025-05-10 09:59:45

Your First Syscall

Time of First Successful Submission: 2025-05-10 12:33:30

Exit Codes

Time of First Successful Submission: 2025-05-10 12:35:26

Building Executables

Time of First Successful Submission: 2025-05-10 12:42:38

Moving Between Registers

Time of First Successful Submission: 2025-05-11 13:47:54

Loading From Memory

Time of First Successful Submission: 2025-05-12 13:54:44

More Loading Practice

Time of First Successful Submission: 2025-05-12 13:56:06

Dereferencing Pointers

Time of First Successful Submission: 2025-05-12 17:54:01

Dereferencing Yourself

Time of First Successful Submission: 2025-05-12 17:56:39

Dereferencing with Offsets

Time of First Successful Submission: 2025-05-12 17:58:37

Stored Addresses

Time of First Successful Submission: 2025-05-12 18:01:54

Double Dereference

Time of First Successful Submission: 2025-05-12 18:06:23

Tracing Syscalls

Time of First Successful Submission: 2025-05-12 12:04:38

Starting GDB

Time of First Successful Submission: 2025-05-12 12:08:29

Starting Programs in GDB

Time of First Successful Submission: 2025-05-12 12:39:11

Writing Output

Time of First Successful Submission: 2025-05-13 21:05:58

Chaining Syscalls

Time of First Successful Submission: 2025-05-13 21:08:52

Writing Strings

Time of First Successful Submission: 2025-05-13 21:10:14

Reading Data

Time of First Successful Submission: 2025-05-14 18:08:10

Debugging Programs

Time of First Successful Submission: 2025-08-23 20:45:58

Inspecting Registers

Time of First Successful Submission: 2025-08-23 20:52:19

Exit

Time of First Successful Submission: 2025-08-30 15:23:57

Socket

Time of First Successful Submission: 2025-08-30 15:44:56

Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-04-02 19:15:50

... and again!

Time of First Successful Submission: 2026-04-02 19:17:04

Newline Troubles

Time of First Successful Submission: 2026-04-02 19:36:00

Reasoning about files

Time of First Successful Submission: 2026-04-07 18:33:07

Specifying Filenames

Time of First Successful Submission: 2026-04-07 18:36:01

Binary and Hex Encoding

Time of First Successful Submission: 2026-04-07 18:45:38

More Hex

Time of First Successful Submission: 2026-04-09 19:40:13

Decoding Hex

Time of First Successful Submission: 2026-04-09 20:33:38

Decoding Practice

Time of First Successful Submission: 2026-04-10 20:57:15

Encoding Practice

Time of First Successful Submission: 2026-04-17 17:45:03

Hex-encoding ASCII

Time of First Successful Submission: 2026-04-20 19:17:46

Nested Encoding

Time of First Successful Submission: 2026-04-20 20:07:40

Hex-encoding UTF-8

Time of First Successful Submission: 2026-05-03 15:45:13

UTF Mixups

Time of First Successful Submission: 2026-05-03 16:00:02

Modifying Encoded Data

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

Decoding Base64

Time of First Successful Submission: 2026-05-03 20:14:11

Encoding Base64

Time of First Successful Submission: 2026-05-04 20:01:35

Dealing with Obfuscation

Time of First Successful Submission: 2026-05-07 17:43:45

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-05-07 19:48:06

Your First HTTP Request

Time of First Successful Submission: 2026-05-10 20:23:56

Reading Flask

Time of First Successful Submission: 2026-05-11 21:18:44

Commented Data

Time of First Successful Submission: 2026-05-14 18:52:59

HTTP Metadata

Time of First Successful Submission: 2026-05-14 18:58:24

HTTP (netcat)

Time of First Successful Submission: 2026-05-14 19:29:25

HTTP Paths (netcat)

Time of First Successful Submission: 2026-05-14 19:31:40

HTTP (curl)

Time of First Successful Submission: 2026-05-14 21:09:12

HTTP (python)

Time of First Successful Submission: 2026-05-14 21:20:17

HTTP Host Header (python)

Time of First Successful Submission: 2026-05-14 21:30:52

HTTP Host Header (curl)

Time of First Successful Submission: 2026-05-14 21:42:48

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-06-06 18:51:17

URL Encoding (netcat)

Time of First Successful Submission: 2026-06-06 18:58:54

HTTP GET Parameters

Time of First Successful Submission: 2026-06-06 20:02:13

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-06-12 21:11:45

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-06-12 21:34:23

HTTP Forms

Time of First Successful Submission: 2026-06-12 22:50:12

HTTP Forms (curl)

Time of First Successful Submission: 2026-06-12 23:01:49

HTTP Forms (netcat)

Time of First Successful Submission: 2026-06-19 22:24:22

HTTP Forms (python)

Time of First Successful Submission: 2026-06-19 22:35:38

HTTP Forms Without Forms

Time of First Successful Submission: 2026-06-19 23:32:04

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-06-22 20:53:30

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-06-22 21:00:23

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-07-16 21:36:21

HTTP Redirects (curl)

Time of First Successful Submission: 2026-08-15 10:00:11

HTTP Redirects (python)

Time of First Successful Submission: 2026-08-19 18:49:50

HTTP Cookies (curl)

Time of First Successful Submission: 2026-08-21 11:25:33

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-08-24 20:21:31

HTTP Cookies (python)

Time of First Successful Submission: 2026-09-10 18:00:25

Server State (python)

Time of First Successful Submission: 2026-09-17 20:18:34

Listening Web

Time of First Successful Submission: 2026-09-17 20:48:04

Speaking Redirects

Time of First Successful Submission: 2026-09-25 09:49:28

JavaScript Redirects

Time of First Successful Submission: 2026-09-30 15:04:03

DSU Cyber Camps

10 / 104 22256 / 69081

Using the VSCode Workspace

Time of First Successful Submission: 2025-04-18 22:02:06

Using the GUI Desktop

Time of First Successful Submission: 2025-04-19 10:04:53

Pasting into the Desktop

Time of First Successful Submission: 2025-04-19 10:09:23

Restarting Challenges

Time of First Successful Submission: 2025-04-19 10:13:08

Getting Help

Time of First Successful Submission: 2025-04-19 10:18:13

Challenge Programs

Time of First Successful Submission: 2025-04-20 08:54:15

The Flag File

Time of First Successful Submission: 2025-04-20 08:56:20

Using Privileged Mode

Time of First Successful Submission: 2025-04-21 08:12:39

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-21 08:16:10

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-21 08:17:46

GCA CTF

10 / 104 22256 / 69081

Using the VSCode Workspace

Time of First Successful Submission: 2025-04-18 22:02:06

Using the GUI Desktop

Time of First Successful Submission: 2025-04-19 10:04:53

Pasting into the Desktop

Time of First Successful Submission: 2025-04-19 10:09:23

Restarting Challenges

Time of First Successful Submission: 2025-04-19 10:13:08

Getting Help

Time of First Successful Submission: 2025-04-19 10:18:13

Challenge Programs

Time of First Successful Submission: 2025-04-20 08:54:15

The Flag File

Time of First Successful Submission: 2025-04-20 08:56:20

Using Privileged Mode

Time of First Successful Submission: 2025-04-21 08:12:39

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-21 08:16:10

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-21 08:17:46