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level1

Time of First Successful Submission: 2026-05-03 18:25:31

level2

Time of First Successful Submission: 2026-05-03 18:46:29

level2a

Time of First Successful Submission: 2026-05-03 18:33:54

level3

Time of First Successful Submission: 2026-05-03 18:51:55

level4

Time of First Successful Submission: 2026-05-03 19:06:46

level5

Time of First Successful Submission: 2026-05-04 00:38:13

level6

Time of First Successful Submission: 2026-05-04 01:06:23

level6a

Time of First Successful Submission: 2026-05-04 00:47:07

level7

Time of First Successful Submission: 2026-05-04 01:26:17

level8

Time of First Successful Submission: 2026-05-04 18:00:46

level9

Time of First Successful Submission: 2026-05-04 18:21:18

level10

Time of First Successful Submission: 2026-05-04 19:07:03

level10a

Time of First Successful Submission: 2026-05-04 18:38:07

level10b

Time of First Successful Submission: 2026-05-04 18:44:58

level11

Time of First Successful Submission: 2026-05-04 19:58:56

level11a

Time of First Successful Submission: 2026-05-04 19:52:18

level12

Time of First Successful Submission: 2026-05-04 20:12:07

level13

Time of First Successful Submission: 2026-05-04 20:36:30

level14

Time of First Successful Submission: 2026-05-04 20:40:38

level15

Time of First Successful Submission: 2026-05-04 20:42:00

level16

Time of First Successful Submission: 2026-05-04 20:47:52

level17

Time of First Successful Submission: 2026-05-05 01:09:39

level17a

Time of First Successful Submission: 2026-05-04 23:09:51

level17b

Time of First Successful Submission: 2026-05-05 00:56:04

level18

Time of First Successful Submission: 2026-05-05 02:04:04

level19

Time of First Successful Submission: 2026-05-05 16:55:24

level20

Time of First Successful Submission: 2026-05-05 17:42:07

level21

Time of First Successful Submission: 2026-05-05 18:29:50

level22

Time of First Successful Submission: 2026-05-05 21:08:38

level23

Time of First Successful Submission: 2026-05-06 16:48:37


Intro to Programming Languages

15 / 234 9948 / 34888


Commands

Time of First Successful Submission: 2026-04-15 20:33:23

Command Arguments

Time of First Successful Submission: 2026-04-15 20:33:53

Command History

Time of First Successful Submission: 2026-04-15 20:34:28

The Root Path

Time of First Successful Submission: 2026-04-15 20:39:18

Absolute Paths

Time of First Successful Submission: 2026-04-15 20:39:54

Changing position

Time of First Successful Submission: 2026-04-15 20:40:37

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-15 20:42:26

Relative Paths

Time of First Successful Submission: 2026-04-15 20:49:59

Cat

Time of First Successful Submission: 2026-04-16 13:04:33

Ls

Time of First Successful Submission: 2026-04-16 13:17:54

Ls All

Time of First Successful Submission: 2026-04-16 13:21:32

Find

Time of First Successful Submission: 2026-04-16 13:31:06

Piping Echo

Time of First Successful Submission: 2026-04-17 12:37:34

Piping Stdout

Time of First Successful Submission: 2026-04-17 12:40:01

Piping Stdin

Time of First Successful Submission: 2026-04-17 13:08:13


Start Here

12 / 12 2115 / 47328


Using the Terminal

Time of First Successful Submission: 2026-04-15 19:32:27

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-15 19:33:49

Using the GUI Desktop

Time of First Successful Submission: 2026-04-15 19:38:49

Pasting into the Desktop

Time of First Successful Submission: 2026-04-15 19:41:10

Restarting Challenges

Time of First Successful Submission: 2026-04-15 19:49:12

Challenge Programs

Time of First Successful Submission: 2026-04-15 19:56:18

The Flag File

Time of First Successful Submission: 2026-04-15 19:57:16

Using Privileged Mode

Time of First Successful Submission: 2026-04-15 20:01:51

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-15 20:04:12

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-15 20:07:03


Linux Luminarium

128 / 128 2854 / 35363


Intro to Commands

Time of First Successful Submission: 2026-04-15 20:33:23

Intro to Arguments

Time of First Successful Submission: 2026-04-15 20:33:53

Command History

Time of First Successful Submission: 2026-04-15 20:34:28

The Root

Time of First Successful Submission: 2026-04-15 20:39:18

Program and absolute paths

Time of First Successful Submission: 2026-04-15 20:39:54

Position thy self

Time of First Successful Submission: 2026-04-15 20:40:37

Position elsewhere

Time of First Successful Submission: 2026-04-15 20:42:26

implicit relative paths, from /

Time of First Successful Submission: 2026-04-15 20:49:59

explicit relative paths, from /

Time of First Successful Submission: 2026-04-15 20:50:57

implicit relative path

Time of First Successful Submission: 2026-04-15 20:51:46

home sweet home

Time of First Successful Submission: 2026-04-15 20:54:43

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-16 13:04:33

catting absolute paths

Time of First Successful Submission: 2026-04-16 13:05:02

more catting practice

Time of First Successful Submission: 2026-04-16 13:09:10

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-16 13:11:02

comparing files

Time of First Successful Submission: 2026-04-16 13:16:20

listing files

Time of First Successful Submission: 2026-04-16 13:17:54

touching files

Time of First Successful Submission: 2026-04-16 13:18:43

removing files

Time of First Successful Submission: 2026-04-16 13:19:20

moving files

Time of First Successful Submission: 2026-04-16 13:20:17

copying files

Time of First Successful Submission: 2026-04-16 13:20:58

hidden files

Time of First Successful Submission: 2026-04-16 13:21:32

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-16 13:26:39

making directories

Time of First Successful Submission: 2026-04-16 13:28:25

finding files

Time of First Successful Submission: 2026-04-16 13:31:06

linking files

Time of First Successful Submission: 2026-04-16 13:51:55

Learning From Documentation

Time of First Successful Submission: 2026-04-16 13:57:36

Learning Complex Usage

Time of First Successful Submission: 2026-04-16 14:00:26

Reading Manuals

Time of First Successful Submission: 2026-04-16 14:04:36

Searching Manuals

Time of First Successful Submission: 2026-04-16 14:06:26

Searching For Manuals

Time of First Successful Submission: 2026-04-16 14:17:47

Helpful Programs

Time of First Successful Submission: 2026-04-16 14:19:49

Help for Builtins

Time of First Successful Submission: 2026-04-16 14:21:43

Matching with *

Time of First Successful Submission: 2026-04-16 21:48:56

Matching with ?

Time of First Successful Submission: 2026-04-16 21:55:53

Matching with []

Time of First Successful Submission: 2026-04-16 22:03:04

Matching paths with []

Time of First Successful Submission: 2026-04-16 22:04:49

Multiple globs

Time of First Successful Submission: 2026-04-16 22:06:30

Mixing globs

Time of First Successful Submission: 2026-04-17 00:43:58

Exclusionary globbing

Time of First Successful Submission: 2026-04-17 00:47:18

Tab completion

Time of First Successful Submission: 2026-04-17 00:48:19

Multiple options for tab completion

Time of First Successful Submission: 2026-04-17 00:49:50

Tab completion on commands

Time of First Successful Submission: 2026-04-17 00:50:19

Redirecting output

Time of First Successful Submission: 2026-04-17 12:37:34

Redirecting more output

Time of First Successful Submission: 2026-04-17 12:40:01

Appending output

Time of First Successful Submission: 2026-04-17 12:50:50

Redirecting errors

Time of First Successful Submission: 2026-04-17 12:55:09

Redirecting input

Time of First Successful Submission: 2026-04-17 13:08:13

Grepping stored results

Time of First Successful Submission: 2026-04-17 14:29:42

Grepping live output

Time of First Successful Submission: 2026-04-17 14:30:27

Grepping errors

Time of First Successful Submission: 2026-04-17 14:32:16

Filtering with grep -v

Time of First Successful Submission: 2026-04-17 14:34:29

Filtering with sed

Time of First Successful Submission: 2026-04-17 14:38:57

Duplicating piped data with tee

Time of First Successful Submission: 2026-04-17 15:03:21

Process substitution for input

Time of First Successful Submission: 2026-04-17 15:11:14

Writing to multiple programs

Time of First Successful Submission: 2026-04-17 15:19:33

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-17 15:31:28

Named pipes

Time of First Successful Submission: 2026-04-17 16:01:13

Printing Variables

Time of First Successful Submission: 2026-04-17 18:14:24

Setting Variables

Time of First Successful Submission: 2026-04-17 18:21:02

Multi-word Variables

Time of First Successful Submission: 2026-04-17 18:22:42

Exporting Variables

Time of First Successful Submission: 2026-04-17 18:24:59

Printing Exported Variables

Time of First Successful Submission: 2026-04-17 18:27:46

Storing Command Output

Time of First Successful Submission: 2026-04-17 18:29:41

Reading Input

Time of First Successful Submission: 2026-04-17 20:04:52

Reading Files

Time of First Successful Submission: 2026-04-17 20:07:46

Translating characters

Time of First Successful Submission: 2026-04-17 20:25:16

Deleting characters

Time of First Successful Submission: 2026-04-17 20:27:07

Deleting newlines

Time of First Successful Submission: 2026-04-17 20:29:29

Extracting the first lines with head

Time of First Successful Submission: 2026-04-17 20:31:06

Extracting specific sections of text

Time of First Successful Submission: 2026-04-17 20:34:27

Sorting data

Time of First Successful Submission: 2026-04-17 20:35:59

Listing Processes

Time of First Successful Submission: 2026-04-17 22:47:08

Killing Processes

Time of First Successful Submission: 2026-04-17 22:54:05

Interrupting Processes

Time of First Successful Submission: 2026-04-17 22:57:37

Killing Misbehaving Processes

Time of First Successful Submission: 2026-04-17 23:03:10

Suspending Processes

Time of First Successful Submission: 2026-04-17 23:05:11

Resuming Processes

Time of First Successful Submission: 2026-04-17 23:11:27

Backgrounding Processes

Time of First Successful Submission: 2026-04-17 23:14:05

Foregrounding Processes

Time of First Successful Submission: 2026-04-17 23:14:52

Starting Backgrounded Processes

Time of First Successful Submission: 2026-04-17 23:16:08

Process Exit Codes

Time of First Successful Submission: 2026-04-17 23:17:42

Becoming root with su

Time of First Successful Submission: 2026-04-18 00:32:21

Other users with su

Time of First Successful Submission: 2026-04-18 00:33:58

Cracking passwords

Time of First Successful Submission: 2026-04-18 00:40:12

Using sudo

Time of First Successful Submission: 2026-04-18 00:43:41

Changing File Ownership

Time of First Successful Submission: 2026-04-19 03:35:49

Groups and Files

Time of First Successful Submission: 2026-04-19 03:42:38

Fun With Groups Names

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

Changing Permissions

Time of First Successful Submission: 2026-04-19 03:48:22

Executable Files

Time of First Successful Submission: 2026-04-19 03:49:59

Permission Tweaking Practice

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

Permissions Setting Practice

Time of First Successful Submission: 2026-04-19 04:02:46

The SUID Bit

Time of First Successful Submission: 2026-04-19 04:08:34

Chaining with Semicolons

Time of First Successful Submission: 2026-04-20 02:07:57

Building on Success

Time of First Successful Submission: 2026-04-20 02:11:14

Handling Failure

Time of First Successful Submission: 2026-04-20 02:13:39

Your First Shell Script

Time of First Successful Submission: 2026-04-20 02:16:56

Redirecting Script Output

Time of First Successful Submission: 2026-04-20 02:28:01

Executable Shell Scripts

Time of First Successful Submission: 2026-04-20 02:30:15

Understanding Shebangs

Time of First Successful Submission: 2026-04-20 02:34:05

Scripting with Arguments

Time of First Successful Submission: 2026-04-20 02:37:24

Scripting with Conditionals

Time of First Successful Submission: 2026-04-20 02:40:24

Scripting with Default Cases

Time of First Successful Submission: 2026-04-20 02:41:58

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-04-20 02:44:52

Reading Shell Scripts

Time of First Successful Submission: 2026-04-20 02:46:12

Launching Screen

Time of First Successful Submission: 2026-04-20 02:49:37

Detaching and Attaching

Time of First Successful Submission: 2026-04-20 02:52:39

Finding Sessions

Time of First Successful Submission: 2026-04-20 02:55:12

Switching Windows

Time of First Successful Submission: 2026-04-20 02:57:23

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-04-20 02:59:01

Switching Windows (tmux)

Time of First Successful Submission: 2026-04-20 03:00:40

The PATH Variable

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

Setting PATH

Time of First Successful Submission: 2026-04-20 03:07:31

Finding Commands

Time of First Successful Submission: 2026-04-20 03:08:49

Adding Commands

Time of First Successful Submission: 2026-04-20 03:13:33

Hijacking Commands

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

Bashrc Backdoor

Time of First Successful Submission: 2026-04-21 03:23:34

Sniffing Input

Time of First Successful Submission: 2026-04-21 03:30:06

Overshared Directories

Time of First Successful Submission: 2026-04-21 03:38:26

Tricky Linking

Time of First Successful Submission: 2026-04-21 03:50:03

Sniffing Process Arguments

Time of First Successful Submission: 2026-04-21 03:52:19

Snooping on Configurations

Time of First Successful Submission: 2026-04-21 03:54:22

The Fork Bomb

Time of First Successful Submission: 2026-04-21 04:20:09

Disk-Space Doomsday

Time of First Successful Submission: 2026-04-21 04:25:16

rm -rf /

Time of First Successful Submission: 2026-04-21 04:26:45

Life after rm -rf /

Time of First Successful Submission: 2026-04-21 04:33:17

Finding meaning after rm -rf /

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


Computing 101

90 / 116 21 / 20394


Your First Register

Time of First Successful Submission: 2026-04-23 02:57:04

Your First Syscall

Time of First Successful Submission: 2026-04-23 03:04:34

Exit Codes

Time of First Successful Submission: 2026-04-23 03:08:10

Building Executables

Time of First Successful Submission: 2026-04-23 03:20:31

Moving Between Registers

Time of First Successful Submission: 2026-04-23 03:25:17

Loading From Memory

Time of First Successful Submission: 2026-04-27 01:48:30

More Loading Practice

Time of First Successful Submission: 2026-04-27 01:52:50

Dereferencing Pointers

Time of First Successful Submission: 2026-04-27 01:59:41

Dereferencing Yourself

Time of First Successful Submission: 2026-04-27 02:04:40

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-27 02:10:43

Stored Addresses

Time of First Successful Submission: 2026-04-27 02:14:36

Double Dereference

Time of First Successful Submission: 2026-04-27 02:18:15

The Stack

Time of First Successful Submission: 2026-04-27 02:32:49

Stack Offsets

Time of First Successful Submission: 2026-04-27 02:37:55

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-27 02:47:04

Popping From the Stack

Time of First Successful Submission: 2026-04-27 02:51:11

Negative Numbers

Time of First Successful Submission: 2026-06-08 03:30:25

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-08 03:51:58

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-08 03:55:52

Encoding Negatives

Time of First Successful Submission: 2026-06-08 04:14:11

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-08 04:17:12

More Hex

Time of First Successful Submission: 2026-06-08 04:20:56

Decoding Hex

Time of First Successful Submission: 2026-06-08 04:22:13

Mixed Conversions

Time of First Successful Submission: 2026-06-08 04:36:04

Disassembling Programs

Time of First Successful Submission: 2026-04-29 01:01:54

Tracing Syscalls

Time of First Successful Submission: 2026-04-29 01:11:58

Starting GDB

Time of First Successful Submission: 2026-04-29 01:14:54

Quitting GDB

Time of First Successful Submission: 2026-04-29 01:15:23

Starting Programs in GDB

Time of First Successful Submission: 2026-04-29 01:18:09

Disassembling in GDB

Time of First Successful Submission: 2026-04-29 01:19:06

Stepping Through Instructions

Time of First Successful Submission: 2026-04-29 01:21:50

Reading Register Values

Time of First Successful Submission: 2026-04-29 01:23:45

Popping Stack Values

Time of First Successful Submission: 2026-04-29 01:25:15

Examining Memory

Time of First Successful Submission: 2026-04-29 01:27:25

Examining Stack Pointers

Time of First Successful Submission: 2026-04-29 01:33:19

Cooperative Debugging

Time of First Successful Submission: 2026-04-29 01:44:59

Running with Arguments

Time of First Successful Submission: 2026-06-08 04:43:36

Writing Output

Time of First Successful Submission: 2026-04-29 02:23:17

Chaining Syscalls

Time of First Successful Submission: 2026-04-29 02:25:45

Writing Strings

Time of First Successful Submission: 2026-04-29 02:26:58

Reading Data

Time of First Successful Submission: 2026-04-29 02:40:57

Opening Files

Time of First Successful Submission: 2026-04-29 02:48:38

Hardcoding the Filename

Time of First Successful Submission: 2026-04-29 03:01:10

Comparing Values

Time of First Successful Submission: 2026-05-01 04:24:49

Comparing Characters

Time of First Successful Submission: 2026-05-02 01:17:39

Conditional Control Flow

Time of First Successful Submission: 2026-05-02 01:36:51

Comparing Strings

Time of First Successful Submission: 2026-05-02 01:46:41

Reverse the Password

Time of First Successful Submission: 2026-05-02 01:55:58

Conditionals Without Conditionals

Time of First Successful Submission: 2026-05-02 02:20:23

Looping

Time of First Successful Submission: 2026-05-02 02:36:15

Writing From a Shared Library

Time of First Successful Submission: 2026-06-08 14:22:23

Returning a Value

Time of First Successful Submission: 2026-06-08 14:48:06

Calling Through a Pointer

Time of First Successful Submission: 2026-06-08 14:52:46

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-06-08 14:55:23

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-06-08 16:20:36

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-06-08 16:24:02

Reverse the Calculation

Time of First Successful Submission: 2026-05-02 21:45:53

Reverse the Reverse

Time of First Successful Submission: 2026-05-02 21:51:17

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-05-02 22:05:07

Loops on Data

Time of First Successful Submission: 2026-05-02 22:09:44

A Single Digit

Time of First Successful Submission: 2026-06-08 17:03:27

Two Digits

Time of First Successful Submission: 2026-06-08 17:26:58

String to Integer

Time of First Successful Submission: 2026-06-08 17:57:01

Negative Numbers

Time of First Successful Submission: 2026-06-08 18:13:27

Where the Number Ends

Time of First Successful Submission: 2026-06-08 18:19:37

A Whole Program

Time of First Successful Submission: 2026-06-08 18:29:10

A Single Digit, Back to Text

Time of First Successful Submission: 2026-06-09 18:42:35

Divide and Remainder

Time of First Successful Submission: 2026-06-09 18:59:09

Drop the Leading Zero

Time of First Successful Submission: 2026-06-09 19:37:12

Integer to String

Time of First Successful Submission: 2026-06-09 20:28:05

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-06-09 21:17:15

Exit

Time of First Successful Submission: 2026-05-08 19:42:39

Socket

Time of First Successful Submission: 2026-05-10 00:36:59

Bind

Time of First Successful Submission: 2026-05-10 02:22:41

Listen

Time of First Successful Submission: 2026-05-14 16:23:03

Accept

Time of First Successful Submission: 2026-05-14 16:38:08

Static Response

Time of First Successful Submission: 2026-05-14 18:52:32

Dynamic Response

Time of First Successful Submission: 2026-05-18 03:58:28

Iterative GET Server

Time of First Successful Submission: 2026-05-18 16:51:40

Concurrent GET Server

Time of First Successful Submission: 2026-05-18 18:59:49

Concurrent POST Server

Time of First Successful Submission: 2026-05-19 17:30:48

Web Server

Time of First Successful Submission: 2026-05-19 17:33:47

Debugging Programs

Time of First Successful Submission: 2026-05-21 12:20:49

Inspecting Registers

Time of First Successful Submission: 2026-05-21 12:23:02

Examining Memory

Time of First Successful Submission: 2026-05-21 12:33:04

Setting Breakpoints

Time of First Successful Submission: 2026-05-21 19:43:12

GDB Scripting

Time of First Successful Submission: 2026-05-21 20:22:59

Modifying Data

Time of First Successful Submission: 2026-05-22 02:23:57

Modifying Execution

Time of First Successful Submission: 2026-05-22 02:37:09

Broken Functions

Time of First Successful Submission: 2026-05-22 03:31:00


Playing With Programs

116 / 116 993 / 24093


What's the password?

Time of First Successful Submission: 2026-05-24 03:04:11

... and again!

Time of First Successful Submission: 2026-05-24 03:05:12

Newline Troubles

Time of First Successful Submission: 2026-05-24 03:10:17

Reasoning about files

Time of First Successful Submission: 2026-05-24 03:11:48

Specifying Filenames

Time of First Successful Submission: 2026-05-24 03:13:21

Binary and Hex Encoding

Time of First Successful Submission: 2026-05-27 02:48:00

More Hex

Time of First Successful Submission: 2026-05-27 02:51:16

Decoding Hex

Time of First Successful Submission: 2026-05-27 02:55:42

Decoding Practice

Time of First Successful Submission: 2026-05-27 03:02:44

Encoding Practice

Time of First Successful Submission: 2026-05-27 03:24:35

Hex-encoding ASCII

Time of First Successful Submission: 2026-05-27 03:41:35

Nested Encoding

Time of First Successful Submission: 2026-05-27 03:47:12

Hex-encoding UTF-8

Time of First Successful Submission: 2026-05-27 03:53:09

UTF Mixups

Time of First Successful Submission: 2026-05-27 05:05:23

Modifying Encoded Data

Time of First Successful Submission: 2026-05-27 13:41:48

Decoding Base64

Time of First Successful Submission: 2026-05-27 14:17:54

Encoding Base64

Time of First Successful Submission: 2026-05-27 14:28:53

Dealing with Obfuscation

Time of First Successful Submission: 2026-05-27 14:33:08

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-05-27 15:58:50

Your First HTTP Request

Time of First Successful Submission: 2026-05-29 14:13:18

Reading Flask

Time of First Successful Submission: 2026-05-29 14:16:30

Commented Data

Time of First Successful Submission: 2026-05-29 14:20:25

HTTP Metadata

Time of First Successful Submission: 2026-05-29 14:25:33

HTTP (netcat)

Time of First Successful Submission: 2026-05-29 14:35:22

HTTP Paths (netcat)

Time of First Successful Submission: 2026-05-29 14:41:11

HTTP (curl)

Time of First Successful Submission: 2026-05-29 14:43:43

HTTP (python)

Time of First Successful Submission: 2026-05-29 14:45:36

HTTP Host Header (python)

Time of First Successful Submission: 2026-05-29 15:00:35

HTTP Host Header (curl)

Time of First Successful Submission: 2026-05-29 15:03:32

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-05-29 15:06:44

URL Encoding (netcat)

Time of First Successful Submission: 2026-05-29 15:12:39

HTTP GET Parameters

Time of First Successful Submission: 2026-05-31 02:37:27

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-05-31 02:53:33

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-05-31 02:57:35

HTTP Forms

Time of First Successful Submission: 2026-05-31 03:00:28

HTTP Forms (curl)

Time of First Successful Submission: 2026-05-31 03:12:50

HTTP Forms (netcat)

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

HTTP Forms (python)

Time of First Successful Submission: 2026-05-31 03:30:59

HTTP Forms Without Forms

Time of First Successful Submission: 2026-05-31 03:33:51

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-06-01 02:58:58

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-06-01 03:13:56

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-06-01 03:18:52

HTTP Redirects (curl)

Time of First Successful Submission: 2026-06-01 03:21:14

HTTP Redirects (python)

Time of First Successful Submission: 2026-06-01 03:22:33

HTTP Cookies (curl)

Time of First Successful Submission: 2026-06-01 03:31:18

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-06-01 03:34:02

HTTP Cookies (python)

Time of First Successful Submission: 2026-06-01 03:40:27

Server State (python)

Time of First Successful Submission: 2026-06-01 03:42:30

Listening Web

Time of First Successful Submission: 2026-06-01 03:52:45

Speaking Redirects

Time of First Successful Submission: 2026-06-01 03:59:35

JavaScript Redirects

Time of First Successful Submission: 2026-06-01 17:36:33

Including JavaScript

Time of First Successful Submission: 2026-06-01 18:07:04

HTTP (javascript)

Time of First Successful Submission: 2026-06-01 18:30:49

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-06-01 18:52:42

HTTP Forms (javascript)

Time of First Successful Submission: 2026-06-01 19:11:55

cat

Time of First Successful Submission: 2026-06-04 15:48:36

more

Time of First Successful Submission: 2026-06-04 16:05:05

less

Time of First Successful Submission: 2026-06-04 16:05:39

tail

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

head

Time of First Successful Submission: 2026-06-04 16:06:37

sort

Time of First Successful Submission: 2026-06-04 16:07:26

vim

Time of First Successful Submission: 2026-06-04 16:08:02

emacs

Time of First Successful Submission: 2026-06-04 16:08:50

nano

Time of First Successful Submission: 2026-06-04 16:10:34

rev

Time of First Successful Submission: 2026-06-04 16:12:33

od

Time of First Successful Submission: 2026-06-04 16:27:51

hd

Time of First Successful Submission: 2026-06-04 16:44:34

xxd

Time of First Successful Submission: 2026-06-04 16:50:41

base32

Time of First Successful Submission: 2026-06-04 16:55:29

base64

Time of First Successful Submission: 2026-06-04 16:55:57

split

Time of First Successful Submission: 2026-06-04 16:59:05

gzip

Time of First Successful Submission: 2026-06-04 17:01:12

bzip2

Time of First Successful Submission: 2026-06-04 17:03:32

zip

Time of First Successful Submission: 2026-06-04 17:45:00

tar

Time of First Successful Submission: 2026-06-04 17:51:47

ar

Time of First Successful Submission: 2026-06-04 18:00:45

cpio

Time of First Successful Submission: 2026-06-04 18:07:33

genisoimage

Time of First Successful Submission: 2026-06-04 18:24:34

env

Time of First Successful Submission: 2026-06-05 16:46:45

find

Time of First Successful Submission: 2026-06-05 16:54:41

make

Time of First Successful Submission: 2026-06-05 17:01:54

nice

Time of First Successful Submission: 2026-06-05 17:04:17

timeout

Time of First Successful Submission: 2026-06-05 17:11:01

stdbuf

Time of First Successful Submission: 2026-06-05 17:13:33

setarch

Time of First Successful Submission: 2026-06-05 17:17:42

watch

Time of First Successful Submission: 2026-06-05 17:22:12

socat

Time of First Successful Submission: 2026-06-05 17:32:30

whiptail

Time of First Successful Submission: 2026-06-05 17:37:47

awk

Time of First Successful Submission: 2026-06-05 18:03:14

sed

Time of First Successful Submission: 2026-06-05 18:03:51

ed

Time of First Successful Submission: 2026-06-05 18:06:44

chown

Time of First Successful Submission: 2026-06-05 18:08:20

chmod

Time of First Successful Submission: 2026-06-05 18:08:59

cp

Time of First Successful Submission: 2026-06-05 18:22:01

mv

Time of First Successful Submission: 2026-06-05 20:04:55

perl

Time of First Successful Submission: 2026-06-05 20:13:32

python

Time of First Successful Submission: 2026-06-05 20:15:56

ruby

Time of First Successful Submission: 2026-06-05 20:20:42

bash

Time of First Successful Submission: 2026-06-05 20:37:28

date

Time of First Successful Submission: 2026-06-05 20:39:39

dmesg

Time of First Successful Submission: 2026-06-05 20:42:05

wc

Time of First Successful Submission: 2026-06-05 20:43:53

gcc

Time of First Successful Submission: 2026-06-05 20:58:13

as

Time of First Successful Submission: 2026-06-06 01:16:43

wget

Time of First Successful Submission: 2026-06-06 01:49:55

ssh-keygen

Time of First Successful Submission: 2026-06-06 02:59:29

SQL Queries

Time of First Successful Submission: 2026-06-06 19:13:57

Filtering SQL

Time of First Successful Submission: 2026-06-06 19:19:46

Choosing Columns

Time of First Successful Submission: 2026-06-06 19:22:46

Exclusionary Filtering

Time of First Successful Submission: 2026-06-06 19:24:41

Filtering Strings

Time of First Successful Submission: 2026-06-06 19:25:49

Filtering on Expressions

Time of First Successful Submission: 2026-06-06 19:27:09

SELECTing Expressions

Time of First Successful Submission: 2026-06-06 19:36:46

Composite Conditions

Time of First Successful Submission: 2026-06-06 19:40:13

Reaching Your LIMITs

Time of First Successful Submission: 2026-06-06 19:41:39

Querying Metadata

Time of First Successful Submission: 2026-06-06 19:43:23


DSU Cyber Camps

12 / 104 2434 / 47623


Using the Terminal

Time of First Successful Submission: 2026-04-15 19:32:27

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-15 19:33:49

Using the GUI Desktop

Time of First Successful Submission: 2026-04-15 19:38:49

Pasting into the Desktop

Time of First Successful Submission: 2026-04-15 19:41:10

Connecting over SSH

Time of First Successful Submission: 2026-04-15 19:44:57

Restarting Challenges

Time of First Successful Submission: 2026-04-15 19:49:12

Getting Help

Time of First Successful Submission: 2026-04-15 19:53:00

Challenge Programs

Time of First Successful Submission: 2026-04-15 19:56:18

The Flag File

Time of First Successful Submission: 2026-04-15 19:57:16

Using Privileged Mode

Time of First Successful Submission: 2026-04-15 20:01:51

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-15 20:04:12

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-15 20:07:03


GCA CTF

12 / 104 2434 / 47623


Using the Terminal

Time of First Successful Submission: 2026-04-15 19:32:27

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-15 19:33:49

Using the GUI Desktop

Time of First Successful Submission: 2026-04-15 19:38:49

Pasting into the Desktop

Time of First Successful Submission: 2026-04-15 19:41:10

Connecting over SSH

Time of First Successful Submission: 2026-04-15 19:44:57

Restarting Challenges

Time of First Successful Submission: 2026-04-15 19:49:12

Getting Help

Time of First Successful Submission: 2026-04-15 19:53:00

Challenge Programs

Time of First Successful Submission: 2026-04-15 19:56:18

The Flag File

Time of First Successful Submission: 2026-04-15 19:57:16

Using Privileged Mode

Time of First Successful Submission: 2026-04-15 20:01:51

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-15 20:04:12

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-15 20:07:03