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31 / 232 10628 / 25711


Triple Dereference

Time of First Successful Submission: 2026-02-04 14:38:37

set-register

Time of First Successful Submission: 2026-02-05 20:06:06

set-multiple-registers

Time of First Successful Submission: 2026-02-05 20:11:03

add-to-register

Time of First Successful Submission: 2026-02-05 20:15:49

linear-equation-registers

Time of First Successful Submission: 2026-02-05 20:26:11

integer-division

Time of First Successful Submission: 2026-02-05 20:38:15

modulo-operation

Time of First Successful Submission: 2026-02-05 20:45:59

set-upper-byte

Time of First Successful Submission: 2026-02-09 14:48:00

efficient-modulo

Time of First Successful Submission: 2026-02-09 15:13:22

byte-extraction

Time of First Successful Submission: 2026-02-09 15:23:43

bitwise-and

Time of First Successful Submission: 2026-02-09 19:39:02

check-even

Time of First Successful Submission: 2026-02-09 19:47:53

memory-read

Time of First Successful Submission: 2026-02-09 20:00:12

memory-write

Time of First Successful Submission: 2026-02-09 20:03:48

memory-increment

Time of First Successful Submission: 2026-02-09 20:13:45

byte-access

Time of First Successful Submission: 2026-02-10 18:20:55

memory-size-access

Time of First Successful Submission: 2026-02-10 18:23:42

little-endian-write

Time of First Successful Submission: 2026-02-10 18:32:18

memory-sum

Time of First Successful Submission: 2026-02-10 18:37:55

stack-subtraction

Time of First Successful Submission: 2026-02-10 18:51:32

swap-stack-values

Time of First Successful Submission: 2026-02-10 19:00:28

average-stack-values

Time of First Successful Submission: 2026-02-18 14:49:11

absolute-jump

Time of First Successful Submission: 2026-02-18 14:59:46

relative-jump

Time of First Successful Submission: 2026-02-18 15:16:06

jump-trampoline

Time of First Successful Submission: 2026-02-18 17:19:55

conditional-jump

Time of First Successful Submission: 2026-02-18 18:00:55

indirect-jump

Time of First Successful Submission: 2026-02-25 19:58:08

average-loop

Time of First Successful Submission: 2026-02-25 20:14:23

count-non-zero

Time of First Successful Submission: 2026-02-25 20:40:43

string-lower

Time of First Successful Submission: 2026-02-26 21:11:03

most-common-byte

Time of First Successful Submission: 2026-03-09 20:20:07


Intro to Programming Languages

15 / 234 6197 / 35000


Commands

Time of First Successful Submission: 2025-11-03 21:48:53

Command Arguments

Time of First Successful Submission: 2025-11-03 21:50:12

Command History

Time of First Successful Submission: 2025-11-03 21:51:04

The Root Path

Time of First Successful Submission: 2025-11-03 21:56:55

Absolute Paths

Time of First Successful Submission: 2025-11-03 22:03:05

Changing position

Time of First Successful Submission: 2025-11-03 22:08:05

Changing to an Absolute Path

Time of First Successful Submission: 2025-11-03 22:09:29

Relative Paths

Time of First Successful Submission: 2025-11-04 18:26:25

Cat

Time of First Successful Submission: 2025-11-04 18:42:31

Ls

Time of First Successful Submission: 2025-11-04 18:53:49

Ls All

Time of First Successful Submission: 2025-11-04 19:03:43

Find

Time of First Successful Submission: 2025-11-11 22:46:01

Piping Echo

Time of First Successful Submission: 2025-11-13 20:38:10

Piping Stdout

Time of First Successful Submission: 2025-11-13 20:39:33

Piping Stdin

Time of First Successful Submission: 2025-11-13 20:57:00


Start Here

11 / 12 7469 / 47478


Using the Terminal

Time of First Successful Submission: 2025-11-02 15:50:08

Using the VSCode Workspace

Time of First Successful Submission: 2025-11-02 15:52:00

Using the GUI Desktop

Time of First Successful Submission: 2025-11-02 15:55:53

Pasting into the Desktop

Time of First Successful Submission: 2025-11-02 15:59:13

Restarting Challenges

Time of First Successful Submission: 2025-11-02 16:03:12

Challenge Programs

Time of First Successful Submission: 2025-11-02 16:48:35

The Flag File

Time of First Successful Submission: 2025-11-02 16:50:33

Using Privileged Mode

Time of First Successful Submission: 2025-11-02 17:08:14

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-02 17:23:05

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-02 17:24:37


Linux Luminarium

128 / 128 1790 / 35476


Intro to Commands

Time of First Successful Submission: 2025-11-03 21:48:53

Intro to Arguments

Time of First Successful Submission: 2025-11-03 21:50:12

Command History

Time of First Successful Submission: 2025-11-03 21:51:04

The Root

Time of First Successful Submission: 2025-11-03 21:56:55

Program and absolute paths

Time of First Successful Submission: 2025-11-03 22:03:05

Position thy self

Time of First Successful Submission: 2025-11-03 22:08:05

Position elsewhere

Time of First Successful Submission: 2025-11-03 22:09:29

implicit relative paths, from /

Time of First Successful Submission: 2025-11-04 18:26:25

explicit relative paths, from /

Time of First Successful Submission: 2025-11-04 18:27:35

implicit relative path

Time of First Successful Submission: 2025-11-04 18:29:10

home sweet home

Time of First Successful Submission: 2025-11-04 18:40:17

cat: not the pet, but the command!

Time of First Successful Submission: 2025-11-04 18:42:31

catting absolute paths

Time of First Successful Submission: 2025-11-04 18:43:38

more catting practice

Time of First Successful Submission: 2025-11-04 18:44:39

grepping for a needle in a haystack

Time of First Successful Submission: 2025-11-04 18:46:00

comparing files

Time of First Successful Submission: 2025-11-04 18:52:07

listing files

Time of First Successful Submission: 2025-11-04 18:53:49

touching files

Time of First Successful Submission: 2025-11-04 18:55:04

removing files

Time of First Successful Submission: 2025-11-04 18:56:04

moving files

Time of First Successful Submission: 2025-11-04 18:58:13

copying files

Time of First Successful Submission: 2025-11-11 22:15:46

hidden files

Time of First Successful Submission: 2025-11-04 19:03:43

An Epic Filesystem Quest

Time of First Successful Submission: 2025-11-11 22:25:12

making directories

Time of First Successful Submission: 2025-11-11 22:35:12

finding files

Time of First Successful Submission: 2025-11-11 22:46:01

linking files

Time of First Successful Submission: 2025-11-12 00:40:28

Learning From Documentation

Time of First Successful Submission: 2025-11-12 18:46:11

Learning Complex Usage

Time of First Successful Submission: 2025-11-12 18:49:04

Reading Manuals

Time of First Successful Submission: 2025-11-12 18:54:31

Searching Manuals

Time of First Successful Submission: 2025-11-12 18:58:40

Searching For Manuals

Time of First Successful Submission: 2025-11-12 19:20:56

Helpful Programs

Time of First Successful Submission: 2025-11-12 19:23:39

Help for Builtins

Time of First Successful Submission: 2025-11-12 19:35:02

Matching with *

Time of First Successful Submission: 2025-11-13 19:47:25

Matching with ?

Time of First Successful Submission: 2025-11-13 19:48:25

Matching with []

Time of First Successful Submission: 2025-11-13 19:51:42

Matching paths with []

Time of First Successful Submission: 2025-11-13 19:53:52

Multiple globs

Time of First Successful Submission: 2025-11-13 19:56:30

Mixing globs

Time of First Successful Submission: 2025-11-13 20:00:46

Exclusionary globbing

Time of First Successful Submission: 2025-11-13 20:02:49

Tab completion

Time of First Successful Submission: 2025-11-13 20:05:30

Multiple options for tab completion

Time of First Successful Submission: 2025-11-13 20:07:17

Tab completion on commands

Time of First Successful Submission: 2025-11-13 20:14:45

Redirecting output

Time of First Successful Submission: 2025-11-13 20:38:10

Redirecting more output

Time of First Successful Submission: 2025-11-13 20:39:33

Appending output

Time of First Successful Submission: 2025-11-13 20:43:43

Redirecting errors

Time of First Successful Submission: 2025-11-13 20:49:49

Redirecting input

Time of First Successful Submission: 2025-11-13 20:57:00

Grepping stored results

Time of First Successful Submission: 2025-11-13 21:01:33

Grepping live output

Time of First Successful Submission: 2026-01-14 19:35:12

Grepping errors

Time of First Successful Submission: 2026-01-14 19:58:58

Filtering with grep -v

Time of First Successful Submission: 2026-01-14 20:01:26

Filtering with sed

Time of First Successful Submission: 2026-01-14 20:05:57

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-14 20:33:06

Process substitution for input

Time of First Successful Submission: 2026-01-14 20:38:04

Writing to multiple programs

Time of First Successful Submission: 2026-01-14 20:43:35

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-14 20:56:05

Named pipes

Time of First Successful Submission: 2026-01-14 21:01:16

Printing Variables

Time of First Successful Submission: 2026-01-15 17:25:14

Setting Variables

Time of First Successful Submission: 2026-01-15 17:27:10

Multi-word Variables

Time of First Successful Submission: 2026-01-15 17:28:21

Exporting Variables

Time of First Successful Submission: 2026-01-15 17:32:11

Printing Exported Variables

Time of First Successful Submission: 2026-01-15 17:33:14

Storing Command Output

Time of First Successful Submission: 2026-01-15 17:36:46

Reading Input

Time of First Successful Submission: 2026-01-15 17:40:03

Reading Files

Time of First Successful Submission: 2026-01-15 17:45:05

Translating characters

Time of First Successful Submission: 2026-01-16 15:55:50

Deleting characters

Time of First Successful Submission: 2026-01-16 15:17:08

Deleting newlines

Time of First Successful Submission: 2026-01-16 15:26:10

Extracting the first lines with head

Time of First Successful Submission: 2026-01-16 15:28:43

Extracting specific sections of text

Time of First Successful Submission: 2026-01-16 15:46:41

Sorting data

Time of First Successful Submission: 2026-01-16 15:49:37

Listing Processes

Time of First Successful Submission: 2026-01-16 18:42:24

Killing Processes

Time of First Successful Submission: 2026-01-16 18:44:05

Interrupting Processes

Time of First Successful Submission: 2026-01-16 18:44:51

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-16 18:51:13

Suspending Processes

Time of First Successful Submission: 2026-01-16 18:52:41

Resuming Processes

Time of First Successful Submission: 2026-01-16 19:23:09

Backgrounding Processes

Time of First Successful Submission: 2026-01-16 19:27:57

Foregrounding Processes

Time of First Successful Submission: 2026-01-16 19:38:31

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-16 19:41:17

Process Exit Codes

Time of First Successful Submission: 2026-01-16 19:49:40

Becoming root with su

Time of First Successful Submission: 2026-01-18 14:47:10

Other users with su

Time of First Successful Submission: 2026-01-18 14:48:03

Cracking passwords

Time of First Successful Submission: 2026-01-18 14:51:17

Using sudo

Time of First Successful Submission: 2026-01-18 14:53:41

Changing File Ownership

Time of First Successful Submission: 2026-01-19 14:56:50

Groups and Files

Time of First Successful Submission: 2026-01-19 15:00:05

Fun With Groups Names

Time of First Successful Submission: 2026-01-19 15:06:37

Changing Permissions

Time of First Successful Submission: 2026-01-19 15:14:31

Executable Files

Time of First Successful Submission: 2026-01-19 15:16:24

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-19 15:34:36

Permissions Setting Practice

Time of First Successful Submission: 2026-01-19 15:53:28

The SUID Bit

Time of First Successful Submission: 2026-01-19 15:55:31

Chaining with Semicolons

Time of First Successful Submission: 2026-01-20 20:51:24

Building on Success

Time of First Successful Submission: 2026-01-20 20:53:07

Handling Failure

Time of First Successful Submission: 2026-01-20 20:54:18

Your First Shell Script

Time of First Successful Submission: 2026-01-20 20:56:23

Redirecting Script Output

Time of First Successful Submission: 2026-01-20 21:08:23

Executable Shell Scripts

Time of First Successful Submission: 2026-01-20 21:11:06

Understanding Shebangs

Time of First Successful Submission: 2026-01-22 19:26:46

Scripting with Arguments

Time of First Successful Submission: 2026-01-22 19:30:08

Scripting with Conditionals

Time of First Successful Submission: 2026-01-22 19:33:01

Scripting with Default Cases

Time of First Successful Submission: 2026-01-22 19:35:36

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-22 19:39:54

Reading Shell Scripts

Time of First Successful Submission: 2026-01-22 20:03:36

Launching Screen

Time of First Successful Submission: 2026-01-22 20:06:15

Detaching and Attaching

Time of First Successful Submission: 2026-01-22 20:08:16

Finding Sessions

Time of First Successful Submission: 2026-01-22 20:14:05

Switching Windows

Time of First Successful Submission: 2026-01-22 20:15:28

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-22 20:16:53

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-22 20:19:03

The PATH Variable

Time of First Successful Submission: 2026-01-26 17:23:28

Setting PATH

Time of First Successful Submission: 2026-01-26 17:25:57

Finding Commands

Time of First Successful Submission: 2026-01-26 17:29:35

Adding Commands

Time of First Successful Submission: 2026-01-26 17:47:56

Hijacking Commands

Time of First Successful Submission: 2026-01-26 18:32:46

Bashrc Backdoor

Time of First Successful Submission: 2026-01-27 19:48:43

Sniffing Input

Time of First Successful Submission: 2026-01-27 20:12:26

Overshared Directories

Time of First Successful Submission: 2026-01-27 20:19:21

Tricky Linking

Time of First Successful Submission: 2026-01-27 20:38:37

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-27 20:40:53

Snooping on Configurations

Time of First Successful Submission: 2026-01-27 20:46:32

The Fork Bomb

Time of First Successful Submission: 2026-01-28 18:26:44

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-28 18:29:20

rm -rf /

Time of First Successful Submission: 2026-01-28 18:33:58

Life after rm -rf /

Time of First Successful Submission: 2026-01-28 18:46:08

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-28 19:06:05


Computing 101

65 / 123 159 / 20461


Your First Register

Time of First Successful Submission: 2026-01-30 21:04:06

Your First Syscall

Time of First Successful Submission: 2026-01-30 21:07:57

Exit Codes

Time of First Successful Submission: 2026-01-30 21:09:48

Building Executables

Time of First Successful Submission: 2026-01-30 21:16:29

Moving Between Registers

Time of First Successful Submission: 2026-01-30 21:21:50

Loading From Memory

Time of First Successful Submission: 2026-02-02 15:25:03

More Loading Practice

Time of First Successful Submission: 2026-02-02 15:25:57

Dereferencing Pointers

Time of First Successful Submission: 2026-02-02 15:32:10

Dereferencing Yourself

Time of First Successful Submission: 2026-02-04 14:17:26

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-04 14:20:01

Stored Addresses

Time of First Successful Submission: 2026-02-04 14:26:45

Double Dereference

Time of First Successful Submission: 2026-02-04 14:33:13

The Stack

Time of First Successful Submission: 2026-02-18 19:05:29

Stack Offsets

Time of First Successful Submission: 2026-02-18 19:07:53

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-19 17:54:09

Popping From the Stack

Time of First Successful Submission: 2026-02-19 17:59:00

Disassembling Programs

Time of First Successful Submission: 2026-02-19 18:13:19

Tracing Syscalls

Time of First Successful Submission: 2026-02-02 15:06:37

Starting GDB

Time of First Successful Submission: 2026-02-02 15:08:24

Quitting GDB

Time of First Successful Submission: 2026-02-19 18:14:42

Starting Programs in GDB

Time of First Successful Submission: 2026-02-02 15:10:13

Disassembling in GDB

Time of First Successful Submission: 2026-02-19 18:17:07

Stepping Through Instructions

Time of First Successful Submission: 2026-02-19 18:18:37

Reading Register Values

Time of First Successful Submission: 2026-02-19 18:19:48

Popping Stack Values

Time of First Successful Submission: 2026-02-19 18:22:00

Examining Memory

Time of First Successful Submission: 2026-02-19 18:24:37

Examining Stack Pointers

Time of First Successful Submission: 2026-02-19 18:27:19

Cooperative Debugging

Time of First Successful Submission: 2026-02-19 18:34:27

Running with Arguments

Time of First Successful Submission: 2026-06-02 19:42:31

Writing Output

Time of First Successful Submission: 2026-02-04 14:54:00

Chaining Syscalls

Time of First Successful Submission: 2026-02-04 17:56:16

Writing Strings

Time of First Successful Submission: 2026-02-04 17:59:04

Reading Data

Time of First Successful Submission: 2026-02-04 18:08:07

Opening Files

Time of First Successful Submission: 2026-02-22 23:55:32

Hardcoding the Filename

Time of First Successful Submission: 2026-02-23 00:18:33

Comparing Values

Time of First Successful Submission: 2026-02-23 18:16:35

Comparing Characters

Time of First Successful Submission: 2026-02-23 18:19:01

Conditional Control Flow

Time of First Successful Submission: 2026-02-23 18:29:23

Comparing Strings

Time of First Successful Submission: 2026-02-23 19:35:13

Reverse the Password

Time of First Successful Submission: 2026-02-23 19:47:18

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-23 20:13:31

Looping

Time of First Successful Submission: 2026-02-24 18:12:52

Reverse the Calculation

Time of First Successful Submission: 2026-02-24 18:27:18

Reverse the Reverse

Time of First Successful Submission: 2026-02-24 18:29:29

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-24 18:37:46

Loops on Data

Time of First Successful Submission: 2026-02-24 18:42:48

Exit

Time of First Successful Submission: 2026-03-13 17:54:10

Socket

Time of First Successful Submission: 2026-03-13 18:02:34

Bind

Time of First Successful Submission: 2026-03-13 18:23:11

Listen

Time of First Successful Submission: 2026-03-13 18:28:55

Accept

Time of First Successful Submission: 2026-03-13 18:34:18

Static Response

Time of First Successful Submission: 2026-03-16 14:11:11

Dynamic Response

Time of First Successful Submission: 2026-03-16 16:12:56

Iterative GET Server

Time of First Successful Submission: 2026-03-17 20:11:54

Concurrent GET Server

Time of First Successful Submission: 2026-03-17 20:35:57

Concurrent POST Server

Time of First Successful Submission: 2026-03-18 20:39:54

Web Server

Time of First Successful Submission: 2026-03-19 00:23:53

Debugging Programs

Time of First Successful Submission: 2026-03-19 00:30:48

Inspecting Registers

Time of First Successful Submission: 2026-03-19 00:35:14

Examining Memory

Time of First Successful Submission: 2026-03-20 19:31:36

Setting Breakpoints

Time of First Successful Submission: 2026-03-20 20:21:15

GDB Scripting

Time of First Successful Submission: 2026-03-23 15:24:28

Modifying Data

Time of First Successful Submission: 2026-03-23 19:28:37

Modifying Execution

Time of First Successful Submission: 2026-03-23 19:31:58

Broken Functions

Time of First Successful Submission: 2026-03-30 14:40:59


Playing With Programs

115 / 116 1044 / 24110


What's the password?

Time of First Successful Submission: 2026-03-30 14:44:55

... and again!

Time of First Successful Submission: 2026-03-30 14:46:32

Newline Troubles

Time of First Successful Submission: 2026-03-31 17:48:38

Reasoning about files

Time of First Successful Submission: 2026-03-31 17:54:43

Specifying Filenames

Time of First Successful Submission: 2026-03-31 17:56:13

Binary and Hex Encoding

Time of First Successful Submission: 2026-04-14 18:21:47

More Hex

Time of First Successful Submission: 2026-04-14 18:28:43

Decoding Hex

Time of First Successful Submission: 2026-04-14 18:33:44

Decoding Practice

Time of First Successful Submission: 2026-05-13 18:15:48

Encoding Practice

Time of First Successful Submission: 2026-05-13 18:28:19

Hex-encoding ASCII

Time of First Successful Submission: 2026-05-13 18:50:22

Nested Encoding

Time of First Successful Submission: 2026-05-14 18:08:40

Hex-encoding UTF-8

Time of First Successful Submission: 2026-05-14 18:32:03

UTF Mixups

Time of First Successful Submission: 2026-05-14 18:47:08

Modifying Encoded Data

Time of First Successful Submission: 2026-05-18 19:50:32

Decoding Base64

Time of First Successful Submission: 2026-05-18 20:04:49

Encoding Base64

Time of First Successful Submission: 2026-05-18 20:09:20

Dealing with Obfuscation

Time of First Successful Submission: 2026-05-19 19:55:56

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-05-19 20:23:06

Your First HTTP Request

Time of First Successful Submission: 2026-05-20 19:52:41

Reading Flask

Time of First Successful Submission: 2026-05-20 19:58:09

Commented Data

Time of First Successful Submission: 2026-05-20 20:02:37

HTTP Metadata

Time of First Successful Submission: 2026-05-20 20:11:51

HTTP (netcat)

Time of First Successful Submission: 2026-05-21 14:48:10

HTTP Paths (netcat)

Time of First Successful Submission: 2026-05-21 14:50:56

HTTP (curl)

Time of First Successful Submission: 2026-05-21 14:53:29

HTTP (python)

Time of First Successful Submission: 2026-05-21 14:56:42

HTTP Host Header (python)

Time of First Successful Submission: 2026-05-25 14:35:58

HTTP Host Header (curl)

Time of First Successful Submission: 2026-05-25 14:48:24

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-05-25 14:55:01

URL Encoding (netcat)

Time of First Successful Submission: 2026-05-25 14:59:35

HTTP GET Parameters

Time of First Successful Submission: 2026-05-26 19:17:36

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-05-26 19:24:54

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-05-26 19:32:01

HTTP Forms

Time of First Successful Submission: 2026-05-27 19:48:33

HTTP Forms (curl)

Time of First Successful Submission: 2026-05-27 19:56:59

HTTP Forms (netcat)

Time of First Successful Submission: 2026-05-27 20:08:12

HTTP Forms (python)

Time of First Successful Submission: 2026-05-27 20:15:05

HTTP Forms Without Forms

Time of First Successful Submission: 2026-05-27 20:33:10

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-05-27 20:42:19

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-05-27 20:47:39

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-05-28 19:57:31

HTTP Redirects (curl)

Time of First Successful Submission: 2026-05-28 19:59:34

HTTP Redirects (python)

Time of First Successful Submission: 2026-05-28 20:01:57

HTTP Cookies (curl)

Time of First Successful Submission: 2026-05-29 19:11:28

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-05-29 19:20:54

HTTP Cookies (python)

Time of First Successful Submission: 2026-05-29 19:24:35

Server State (python)

Time of First Successful Submission: 2026-05-29 19:28:37

Listening Web

Time of First Successful Submission: 2026-05-29 19:31:08

Speaking Redirects

Time of First Successful Submission: 2026-06-02 14:44:48

JavaScript Redirects

Time of First Successful Submission: 2026-06-02 15:01:56

Including JavaScript

Time of First Successful Submission: 2026-06-02 16:42:21

HTTP (javascript)

Time of First Successful Submission: 2026-06-02 18:55:25

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-06-02 19:04:54

HTTP Forms (javascript)

Time of First Successful Submission: 2026-06-02 19:39:47

cat

Time of First Successful Submission: 2026-06-02 19:48:08

more

Time of First Successful Submission: 2026-06-02 19:48:57

less

Time of First Successful Submission: 2026-06-03 14:47:01

tail

Time of First Successful Submission: 2026-06-03 14:48:02

head

Time of First Successful Submission: 2026-06-03 14:48:29

sort

Time of First Successful Submission: 2026-06-03 14:49:39

vim

Time of First Successful Submission: 2026-06-03 14:50:08

emacs

Time of First Successful Submission: 2026-06-03 14:50:39

nano

Time of First Successful Submission: 2026-06-03 14:51:07

rev

Time of First Successful Submission: 2026-06-03 14:52:37

od

Time of First Successful Submission: 2026-06-03 14:57:05

hd

Time of First Successful Submission: 2026-06-05 13:27:32

xxd

Time of First Successful Submission: 2026-06-05 13:28:29

base32

Time of First Successful Submission: 2026-06-05 13:33:36

base64

Time of First Successful Submission: 2026-06-05 13:34:58

split

Time of First Successful Submission: 2026-06-05 13:36:29

gzip

Time of First Successful Submission: 2026-06-05 13:44:33

bzip2

Time of First Successful Submission: 2026-06-05 13:50:09

zip

Time of First Successful Submission: 2026-06-05 13:54:37

tar

Time of First Successful Submission: 2026-06-08 14:41:56

ar

Time of First Successful Submission: 2026-06-08 14:44:38

cpio

Time of First Successful Submission: 2026-06-08 15:16:51

genisoimage

Time of First Successful Submission: 2026-06-08 15:42:11

env

Time of First Successful Submission: 2026-06-08 20:42:58

find

Time of First Successful Submission: 2026-06-08 20:46:58

make

Time of First Successful Submission: 2026-06-08 21:03:55

nice

Time of First Successful Submission: 2026-06-08 21:05:24

timeout

Time of First Successful Submission: 2026-06-08 21:07:45

stdbuf

Time of First Successful Submission: 2026-06-08 21:08:39

setarch

Time of First Successful Submission: 2026-06-08 21:09:36

watch

Time of First Successful Submission: 2026-06-08 21:14:56

socat

Time of First Successful Submission: 2026-06-08 21:15:36

whiptail

Time of First Successful Submission: 2026-06-08 21:17:04

awk

Time of First Successful Submission: 2026-06-08 21:17:49

sed

Time of First Successful Submission: 2026-06-09 13:02:54

ed

Time of First Successful Submission: 2026-06-09 13:03:38

chown

Time of First Successful Submission: 2026-06-09 13:05:12

chmod

Time of First Successful Submission: 2026-06-09 13:07:10

cp

Time of First Successful Submission: 2026-06-09 13:09:48

mv

Time of First Successful Submission: 2026-06-09 14:22:24

perl

Time of First Successful Submission: 2026-06-09 14:25:36

python

Time of First Successful Submission: 2026-06-09 14:26:02

ruby

Time of First Successful Submission: 2026-06-09 14:30:37

bash

Time of First Successful Submission: 2026-06-10 20:03:16

date

Time of First Successful Submission: 2026-06-10 20:10:01

dmesg

Time of First Successful Submission: 2026-06-10 20:13:28

wc

Time of First Successful Submission: 2026-06-10 20:14:13

gcc

Time of First Successful Submission: 2026-06-10 20:15:31

as

Time of First Successful Submission: 2026-06-10 20:16:25

wget

Time of First Successful Submission: 2026-06-10 20:44:09

ssh-keygen

Time of First Successful Submission: 2026-06-10 21:12:58

SQL Queries

Time of First Successful Submission: 2026-06-10 21:20:40

Filtering SQL

Time of First Successful Submission: 2026-06-11 17:24:50

Choosing Columns

Time of First Successful Submission: 2026-06-11 17:26:46

Exclusionary Filtering

Time of First Successful Submission: 2026-06-11 17:32:19

Filtering Strings

Time of First Successful Submission: 2026-06-11 17:34:06

Filtering on Expressions

Time of First Successful Submission: 2026-06-11 17:40:21

SELECTing Expressions

Time of First Successful Submission: 2026-06-11 17:55:37

Composite Conditions

Time of First Successful Submission: 2026-06-11 17:59:00

Reaching Your LIMITs

Time of First Successful Submission: 2026-06-11 18:08:27

Querying Metadata

Time of First Successful Submission: 2026-06-11 18:11:14


DSU Cyber Camps

11 / 104 7676 / 47773


Using the Terminal

Time of First Successful Submission: 2025-11-02 15:50:08

Using the VSCode Workspace

Time of First Successful Submission: 2025-11-02 15:52:00

Using the GUI Desktop

Time of First Successful Submission: 2025-11-02 15:55:53

Pasting into the Desktop

Time of First Successful Submission: 2025-11-02 15:59:13

Restarting Challenges

Time of First Successful Submission: 2025-11-02 16:03:12

Getting Help

Time of First Successful Submission: 2025-11-02 16:40:27

Challenge Programs

Time of First Successful Submission: 2025-11-02 16:48:35

The Flag File

Time of First Successful Submission: 2025-11-02 16:50:33

Using Privileged Mode

Time of First Successful Submission: 2025-11-02 17:08:14

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-02 17:23:05

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-02 17:24:37


GCA CTF

11 / 104 7676 / 47773


Using the Terminal

Time of First Successful Submission: 2025-11-02 15:50:08

Using the VSCode Workspace

Time of First Successful Submission: 2025-11-02 15:52:00

Using the GUI Desktop

Time of First Successful Submission: 2025-11-02 15:55:53

Pasting into the Desktop

Time of First Successful Submission: 2025-11-02 15:59:13

Restarting Challenges

Time of First Successful Submission: 2025-11-02 16:03:12

Getting Help

Time of First Successful Submission: 2025-11-02 16:40:27

Challenge Programs

Time of First Successful Submission: 2025-11-02 16:48:35

The Flag File

Time of First Successful Submission: 2025-11-02 16:50:33

Using Privileged Mode

Time of First Successful Submission: 2025-11-02 17:08:14

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-02 17:23:05

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-02 17:24:37