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6 / 202 11787 / 22873

HTTP (curl)

Time of First Successful Submission: 2023-08-10 16:49:09

HTTP (python)

Time of First Successful Submission: 2023-08-10 17:08:17

URL Encoding (curl)

Time of First Successful Submission: 2023-08-10 21:46:01

URL Encoding (python)

Time of First Successful Submission: 2023-08-10 22:06:06

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2023-08-10 22:30:50

HTTP GET Parameters (python)

Time of First Successful Submission: 2023-08-10 22:38:09

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-04-18 18:17:44

Command Arguments

Time of First Successful Submission: 2026-04-18 18:18:22

Command History

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

The Root Path

Time of First Successful Submission: 2026-04-18 18:20:25

Absolute Paths

Time of First Successful Submission: 2026-04-18 18:21:32

Changing position

Time of First Successful Submission: 2026-04-18 18:22:25

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-18 18:23:30

Relative Paths

Time of First Successful Submission: 2026-04-18 18:24:53

Cat

Time of First Successful Submission: 2026-04-18 18:46:48

Ls

Time of First Successful Submission: 2026-04-18 21:21:45

Ls All

Time of First Successful Submission: 2026-04-18 21:28:14

Find

Time of First Successful Submission: 2026-04-18 21:43:57

Piping Echo

Time of First Successful Submission: 2026-04-18 22:29:26

Piping Stdout

Time of First Successful Submission: 2026-04-18 22:30:28

Piping Stdin

Time of First Successful Submission: 2026-04-18 22:39:47

Start Here

11 / 12 9472 / 45921

Using the Terminal

Time of First Successful Submission: 2026-04-18 17:40:38

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-18 17:42:26

Using the GUI Desktop

Time of First Successful Submission: 2026-04-18 17:46:48

Pasting into the Desktop

Time of First Successful Submission: 2026-04-18 17:48:40

Restarting Challenges

Time of First Successful Submission: 2026-04-18 17:59:38

Challenge Programs

Time of First Successful Submission: 2026-04-18 18:03:15

The Flag File

Time of First Successful Submission: 2026-04-18 18:04:37

Using Privileged Mode

Time of First Successful Submission: 2026-04-18 18:12:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-18 18:13:55

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-18 18:14:47

Linux Luminarium

128 / 128 2846 / 34324

Intro to Commands

Time of First Successful Submission: 2026-04-18 18:17:44

Intro to Arguments

Time of First Successful Submission: 2026-04-18 18:18:22

Command History

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

The Root

Time of First Successful Submission: 2026-04-18 18:20:25

Program and absolute paths

Time of First Successful Submission: 2026-04-18 18:21:32

Position thy self

Time of First Successful Submission: 2026-04-18 18:22:25

Position elsewhere

Time of First Successful Submission: 2026-04-18 18:23:30

implicit relative paths, from /

Time of First Successful Submission: 2026-04-18 18:24:53

explicit relative paths, from /

Time of First Successful Submission: 2026-04-18 18:25:15

implicit relative path

Time of First Successful Submission: 2026-04-18 18:26:25

home sweet home

Time of First Successful Submission: 2026-04-18 18:28:34

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-18 18:46:48

catting absolute paths

Time of First Successful Submission: 2026-04-18 18:47:10

more catting practice

Time of First Successful Submission: 2026-04-18 18:47:55

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-18 21:19:17

comparing files

Time of First Successful Submission: 2026-04-18 21:20:59

listing files

Time of First Successful Submission: 2026-04-18 21:21:45

touching files

Time of First Successful Submission: 2026-04-18 21:22:20

removing files

Time of First Successful Submission: 2026-04-18 21:22:49

moving files

Time of First Successful Submission: 2026-04-18 21:25:00

copying files

Time of First Successful Submission: 2026-04-18 21:27:38

hidden files

Time of First Successful Submission: 2026-04-18 21:28:14

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-18 21:33:11

making directories

Time of First Successful Submission: 2026-04-18 21:34:02

finding files

Time of First Successful Submission: 2026-04-18 21:43:57

linking files

Time of First Successful Submission: 2026-04-18 21:54:18

Learning From Documentation

Time of First Successful Submission: 2026-04-18 21:56:22

Learning Complex Usage

Time of First Successful Submission: 2026-04-18 21:57:25

Reading Manuals

Time of First Successful Submission: 2026-04-18 21:59:26

Searching Manuals

Time of First Successful Submission: 2026-04-18 22:00:33

Searching For Manuals

Time of First Successful Submission: 2026-04-18 22:08:55

Helpful Programs

Time of First Successful Submission: 2026-04-18 22:10:39

Help for Builtins

Time of First Successful Submission: 2026-04-18 22:11:57

Matching with *

Time of First Successful Submission: 2026-04-18 22:14:38

Matching with ?

Time of First Successful Submission: 2026-04-18 22:15:46

Matching with []

Time of First Successful Submission: 2026-04-18 22:18:20

Matching paths with []

Time of First Successful Submission: 2026-04-18 22:19:12

Multiple globs

Time of First Successful Submission: 2026-04-18 22:20:55

Mixing globs

Time of First Successful Submission: 2026-04-18 22:24:11

Exclusionary globbing

Time of First Successful Submission: 2026-04-18 22:25:34

Tab completion

Time of First Successful Submission: 2026-04-18 22:26:32

Multiple options for tab completion

Time of First Successful Submission: 2026-04-18 22:27:23

Tab completion on commands

Time of First Successful Submission: 2026-04-18 22:27:57

Redirecting output

Time of First Successful Submission: 2026-04-18 22:29:26

Redirecting more output

Time of First Successful Submission: 2026-04-18 22:30:28

Appending output

Time of First Successful Submission: 2026-04-18 22:34:27

Redirecting errors

Time of First Successful Submission: 2026-04-18 22:36:55

Redirecting input

Time of First Successful Submission: 2026-04-18 22:39:47

Grepping stored results

Time of First Successful Submission: 2026-04-18 22:41:49

Grepping live output

Time of First Successful Submission: 2026-04-18 22:42:27

Grepping errors

Time of First Successful Submission: 2026-04-18 22:52:22

Filtering with grep -v

Time of First Successful Submission: 2026-04-18 22:53:22

Filtering with sed

Time of First Successful Submission: 2026-04-18 22:54:27

Duplicating piped data with tee

Time of First Successful Submission: 2026-04-18 22:59:04

Process substitution for input

Time of First Successful Submission: 2026-04-18 23:01:23

Writing to multiple programs

Time of First Successful Submission: 2026-04-18 23:14:09

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-18 23:27:13

Named pipes

Time of First Successful Submission: 2026-04-18 23:32:58

Printing Variables

Time of First Successful Submission: 2026-04-19 03:35:39

Setting Variables

Time of First Successful Submission: 2026-04-19 03:36:50

Multi-word Variables

Time of First Successful Submission: 2026-04-19 03:37:38

Exporting Variables

Time of First Successful Submission: 2026-04-19 03:40:10

Printing Exported Variables

Time of First Successful Submission: 2026-04-19 03:40:42

Storing Command Output

Time of First Successful Submission: 2026-04-19 03:42:08

Reading Input

Time of First Successful Submission: 2026-04-19 03:43:41

Reading Files

Time of First Successful Submission: 2026-04-19 03:44:51

Translating characters

Time of First Successful Submission: 2026-04-19 03:53:50

Deleting characters

Time of First Successful Submission: 2026-04-19 03:54:55

Deleting newlines

Time of First Successful Submission: 2026-04-19 03:56:11

Extracting the first lines with head

Time of First Successful Submission: 2026-04-19 03:57:05

Extracting specific sections of text

Time of First Successful Submission: 2026-04-19 03:59:47

Sorting data

Time of First Successful Submission: 2026-04-19 04:01:05

Listing Processes

Time of First Successful Submission: 2026-04-19 04:08:21

Killing Processes

Time of First Successful Submission: 2026-04-19 04:14:39

Interrupting Processes

Time of First Successful Submission: 2026-04-19 04:15:11

Killing Misbehaving Processes

Time of First Successful Submission: 2026-04-19 04:17:54

Suspending Processes

Time of First Successful Submission: 2026-04-19 04:18:44

Resuming Processes

Time of First Successful Submission: 2026-04-19 04:19:29

Backgrounding Processes

Time of First Successful Submission: 2026-04-19 04:20:49

Foregrounding Processes

Time of First Successful Submission: 2026-04-19 04:21:53

Starting Backgrounded Processes

Time of First Successful Submission: 2026-04-19 04:22:15

Process Exit Codes

Time of First Successful Submission: 2026-04-19 04:23:07

Becoming root with su

Time of First Successful Submission: 2026-04-19 04:25:24

Other users with su

Time of First Successful Submission: 2026-04-19 04:26:10

Cracking passwords

Time of First Successful Submission: 2026-04-19 04:28:59

Using sudo

Time of First Successful Submission: 2026-04-19 04:29:58

Changing File Ownership

Time of First Successful Submission: 2026-04-19 13:22:40

Groups and Files

Time of First Successful Submission: 2026-04-19 13:25:42

Fun With Groups Names

Time of First Successful Submission: 2026-04-19 13:26:47

Changing Permissions

Time of First Successful Submission: 2026-04-19 13:29:14

Executable Files

Time of First Successful Submission: 2026-04-19 13:30:35

Permission Tweaking Practice

Time of First Successful Submission: 2026-04-19 13:35:18

Permissions Setting Practice

Time of First Successful Submission: 2026-04-19 13:40:22

The SUID Bit

Time of First Successful Submission: 2026-04-19 13:42:10

Chaining with Semicolons

Time of First Successful Submission: 2026-04-19 13:42:53

Building on Success

Time of First Successful Submission: 2026-04-19 13:43:49

Handling Failure

Time of First Successful Submission: 2026-04-19 13:44:52

Your First Shell Script

Time of First Successful Submission: 2026-04-19 13:54:07

Redirecting Script Output

Time of First Successful Submission: 2026-04-19 14:01:03

Executable Shell Scripts

Time of First Successful Submission: 2026-04-19 14:02:20

Understanding Shebangs

Time of First Successful Submission: 2026-04-19 14:05:26

Scripting with Arguments

Time of First Successful Submission: 2026-04-19 14:07:22

Scripting with Conditionals

Time of First Successful Submission: 2026-04-19 14:09:58

Scripting with Default Cases

Time of First Successful Submission: 2026-04-19 14:10:47

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-04-19 14:19:07

Reading Shell Scripts

Time of First Successful Submission: 2026-04-19 14:20:40

Launching Screen

Time of First Successful Submission: 2026-04-19 14:21:54

Detaching and Attaching

Time of First Successful Submission: 2026-04-19 14:23:40

Finding Sessions

Time of First Successful Submission: 2026-04-19 14:25:10

Switching Windows

Time of First Successful Submission: 2026-04-19 14:26:40

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-04-19 14:28:01

Switching Windows (tmux)

Time of First Successful Submission: 2026-04-19 14:28:36

The PATH Variable

Time of First Successful Submission: 2026-04-19 14:30:25

Setting PATH

Time of First Successful Submission: 2026-04-19 14:31:43

Finding Commands

Time of First Successful Submission: 2026-04-19 14:32:36

Adding Commands

Time of First Successful Submission: 2026-04-19 14:37:53

Hijacking Commands

Time of First Successful Submission: 2026-04-19 14:40:56

Bashrc Backdoor

Time of First Successful Submission: 2026-04-19 14:43:12

Sniffing Input

Time of First Successful Submission: 2026-04-19 14:49:13

Overshared Directories

Time of First Successful Submission: 2026-04-19 14:54:20

Tricky Linking

Time of First Successful Submission: 2026-04-19 15:33:20

Sniffing Process Arguments

Time of First Successful Submission: 2026-04-19 15:50:44

Snooping on Configurations

Time of First Successful Submission: 2026-04-19 16:01:25

The Fork Bomb

Time of First Successful Submission: 2026-04-19 16:27:25

Disk-Space Doomsday

Time of First Successful Submission: 2026-04-19 16:31:06

rm -rf /

Time of First Successful Submission: 2026-04-19 16:34:35

Life after rm -rf /

Time of First Successful Submission: 2026-04-19 16:41:05

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-04-19 16:43:39

Computing 101

82 / 94 912 / 22476

Your First Register

Time of First Successful Submission: 2026-04-19 17:07:36

Your First Syscall

Time of First Successful Submission: 2026-04-19 18:17:07

Exit Codes

Time of First Successful Submission: 2026-04-19 18:19:34

Building Executables

Time of First Successful Submission: 2026-04-19 18:27:12

Moving Between Registers

Time of First Successful Submission: 2026-04-19 18:34:31

Loading From Memory

Time of First Successful Submission: 2026-04-19 18:46:50

More Loading Practice

Time of First Successful Submission: 2026-04-19 18:48:38

Dereferencing Pointers

Time of First Successful Submission: 2026-04-19 18:51:33

Dereferencing Yourself

Time of First Successful Submission: 2026-04-20 01:22:16

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-20 01:29:59

Stored Addresses

Time of First Successful Submission: 2026-04-20 01:43:35

Double Dereference

Time of First Successful Submission: 2026-04-20 01:55:31

The Stack

Time of First Successful Submission: 2026-04-20 02:03:06

Stack Offsets

Time of First Successful Submission: 2026-04-20 02:15:47

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-20 02:24:44

Popping From the Stack

Time of First Successful Submission: 2026-04-20 02:27:50

Disassembling Programs

Time of First Successful Submission: 2026-04-20 18:22:57

Tracing Syscalls

Time of First Successful Submission: 2026-04-20 18:26:48

Starting GDB

Time of First Successful Submission: 2026-04-20 18:27:52

Quitting GDB

Time of First Successful Submission: 2026-04-20 18:28:20

Starting Programs in GDB

Time of First Successful Submission: 2026-04-20 18:30:35

Disassembling in GDB

Time of First Successful Submission: 2026-04-20 18:31:25

Stepping Through Instructions

Time of First Successful Submission: 2026-04-20 21:57:13

Reading Register Values

Time of First Successful Submission: 2026-04-20 21:58:14

Popping Stack Values

Time of First Successful Submission: 2026-04-20 21:59:20

Examining Memory

Time of First Successful Submission: 2026-04-20 22:02:23

Examining Stack Pointers

Time of First Successful Submission: 2026-04-20 22:09:53

Cooperative Debugging

Time of First Successful Submission: 2026-04-20 22:13:04

Writing Output

Time of First Successful Submission: 2026-04-21 00:40:58

Chaining Syscalls

Time of First Successful Submission: 2026-04-21 00:43:49

Writing Strings

Time of First Successful Submission: 2026-04-21 00:49:42

Reading Data

Time of First Successful Submission: 2026-04-21 00:53:58

Opening Files

Time of First Successful Submission: 2026-04-21 01:06:56

Hardcoding the Filename

Time of First Successful Submission: 2026-04-21 01:17:00

Comparing Values

Time of First Successful Submission: 2026-04-21 01:26:15

Comparing Characters

Time of First Successful Submission: 2026-04-21 01:33:55

Conditional Control Flow

Time of First Successful Submission: 2026-04-21 01:40:50

Comparing Strings

Time of First Successful Submission: 2026-04-21 01:45:15

Reverse the Password

Time of First Successful Submission: 2026-04-21 01:50:04

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-21 02:10:59

Looping

Time of First Successful Submission: 2026-04-21 02:37:33

Reverse the Calculation

Time of First Successful Submission: 2026-04-21 03:09:30

Reverse the Reverse

Time of First Successful Submission: 2026-04-21 03:11:25

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-04-21 03:13:10

Loops on Data

Time of First Successful Submission: 2026-04-21 03:16:30

set-register

Time of First Successful Submission: 2023-08-11 02:31:50

set-multiple-registers

Time of First Successful Submission: 2026-04-21 03:23:40

add-to-register

Time of First Successful Submission: 2023-08-11 02:39:38

linear-equation-registers

Time of First Successful Submission: 2023-08-11 03:34:59

integer-division

Time of First Successful Submission: 2026-04-21 03:56:55

modulo-operation

Time of First Successful Submission: 2026-04-21 14:38:42

set-upper-byte

Time of First Successful Submission: 2026-04-21 14:48:08

efficient-modulo

Time of First Successful Submission: 2026-04-21 14:57:54

byte-extraction

Time of First Successful Submission: 2026-04-21 15:27:21

bitwise-and

Time of First Successful Submission: 2026-04-21 15:35:06

check-even

Time of First Successful Submission: 2026-04-21 15:49:56

memory-read

Time of First Successful Submission: 2026-04-21 15:53:26

memory-write

Time of First Successful Submission: 2026-04-21 15:56:18

memory-increment

Time of First Successful Submission: 2026-04-21 15:59:05

byte-access

Time of First Successful Submission: 2026-04-21 16:03:01

memory-size-access

Time of First Successful Submission: 2026-04-21 16:06:44

little-endian-write

Time of First Successful Submission: 2026-04-21 16:13:34

memory-sum

Time of First Successful Submission: 2026-04-21 16:26:17

stack-subtraction

Time of First Successful Submission: 2026-04-21 16:32:27

swap-stack-values

Time of First Successful Submission: 2026-04-21 16:35:19

average-stack-values

Time of First Successful Submission: 2026-04-21 17:04:27

absolute-jump

Time of First Successful Submission: 2026-04-21 17:07:14

relative-jump

Time of First Successful Submission: 2026-04-21 21:00:06

jump-trampoline

Time of First Successful Submission: 2026-04-21 21:04:14

conditional-jump

Time of First Successful Submission: 2026-04-21 21:39:57

indirect-jump

Time of First Successful Submission: 2026-04-21 22:03:01

average-loop

Time of First Successful Submission: 2026-04-21 22:26:14

count-non-zero

Time of First Successful Submission: 2026-04-22 01:23:06

string-lower

Time of First Successful Submission: 2026-04-22 02:09:02

most-common-byte

Time of First Successful Submission: 2026-04-23 02:47:58

Exit

Time of First Successful Submission: 2026-04-23 16:01:49

Socket

Time of First Successful Submission: 2026-04-24 03:43:59

Bind

Time of First Successful Submission: 2026-04-24 18:02:20

Listen

Time of First Successful Submission: 2026-04-24 20:05:28

Accept

Time of First Successful Submission: 2026-04-24 20:18:27

Static Response

Time of First Successful Submission: 2026-04-24 21:08:26

Dynamic Response

Time of First Successful Submission: 2026-04-25 04:10:48

Playing With Programs

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HTTP (netcat)

Time of First Successful Submission: 2023-08-10 16:57:32

HTTP Paths (netcat)

Time of First Successful Submission: 2023-08-10 21:35:31

HTTP (curl)

Time of First Successful Submission: 2023-08-10 21:33:39

HTTP (python)

Time of First Successful Submission: 2023-08-10 21:37:08

HTTP Host Header (python)

Time of First Successful Submission: 2023-08-10 21:31:12

HTTP Host Header (curl)

Time of First Successful Submission: 2023-08-10 17:12:46

HTTP Host Header (netcat)

Time of First Successful Submission: 2023-08-10 17:19:05

URL Encoding (netcat)

Time of First Successful Submission: 2023-08-10 22:17:48

HTTP GET Parameters

Time of First Successful Submission: 2023-08-10 22:26:28

DSU Cyber Camps

11 / 104 9636 / 46211

Using the Terminal

Time of First Successful Submission: 2026-04-18 17:40:38

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-18 17:42:26

Using the GUI Desktop

Time of First Successful Submission: 2026-04-18 17:46:48

Pasting into the Desktop

Time of First Successful Submission: 2026-04-18 17:48:40

Connecting over SSH

Time of First Successful Submission: 2026-04-18 17:55:02

Restarting Challenges

Time of First Successful Submission: 2026-04-18 17:59:38

Challenge Programs

Time of First Successful Submission: 2026-04-18 18:03:15

The Flag File

Time of First Successful Submission: 2026-04-18 18:04:37

Using Privileged Mode

Time of First Successful Submission: 2026-04-18 18:12:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-18 18:13:55

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-18 18:14:47

GCA CTF

11 / 104 9632 / 46211

Using the Terminal

Time of First Successful Submission: 2026-04-18 17:40:38

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-18 17:42:26

Using the GUI Desktop

Time of First Successful Submission: 2026-04-18 17:46:48

Pasting into the Desktop

Time of First Successful Submission: 2026-04-18 17:48:40

Connecting over SSH

Time of First Successful Submission: 2026-04-18 17:55:02

Restarting Challenges

Time of First Successful Submission: 2026-04-18 17:59:38

Challenge Programs

Time of First Successful Submission: 2026-04-18 18:03:15

The Flag File

Time of First Successful Submission: 2026-04-18 18:04:37

Using Privileged Mode

Time of First Successful Submission: 2026-04-18 18:12:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-18 18:13:55

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-18 18:14:47