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14 / 201 9557 / 16663


level1

Time of First Successful Submission: 2025-12-02 11:29:57

level2

Time of First Successful Submission: 2025-12-02 11:31:13

level3

Time of First Successful Submission: 2025-12-02 11:33:32

level4

Time of First Successful Submission: 2025-12-02 11:48:06

level5

Time of First Successful Submission: 2025-12-02 19:45:49

level6

Time of First Successful Submission: 2025-12-23 17:29:07

level7

Time of First Successful Submission: 2025-12-23 17:45:52

level8

Time of First Successful Submission: 2025-12-23 17:55:36

level9

Time of First Successful Submission: 2025-12-23 18:04:24

level10

Time of First Successful Submission: 2025-12-23 18:14:45

level11

Time of First Successful Submission: 2025-12-24 07:11:06

level12

Time of First Successful Submission: 2025-12-24 07:26:59

level13

Time of First Successful Submission: 2025-12-24 07:33:54

level14

Time of First Successful Submission: 2025-12-24 07:43:17


ARM Architecture

1 / 28 611 / 611


Level1

Time of First Successful Submission: 2026-01-04 13:11:24


Intro to Programming Languages

16 / 234 633 / 26856


Lecture 1.1. Course Environment

Time of First Successful Submission: 2025-12-13 21:44:57

Commands

Time of First Successful Submission: 2025-11-04 15:02:43

Command Arguments

Time of First Successful Submission: 2025-11-04 15:04:57

Command History

Time of First Successful Submission: 2025-11-04 15:05:51

The Root Path

Time of First Successful Submission: 2025-11-04 15:08:49

Absolute Paths

Time of First Successful Submission: 2025-11-04 15:19:40

Changing position

Time of First Successful Submission: 2025-11-04 16:12:50

Changing to an Absolute Path

Time of First Successful Submission: 2025-11-04 16:14:49

Relative Paths

Time of First Successful Submission: 2025-11-04 16:46:42

Cat

Time of First Successful Submission: 2025-11-04 20:04:53

Ls

Time of First Successful Submission: 2025-11-04 20:14:31

Ls All

Time of First Successful Submission: 2025-11-04 20:19:15

Find

Time of First Successful Submission: 2025-11-04 20:36:25

Piping Echo

Time of First Successful Submission: 2025-11-14 19:13:23

Piping Stdout

Time of First Successful Submission: 2025-11-14 19:25:16

Piping Stdin

Time of First Successful Submission: 2025-11-14 19:38:56


XNU Dojo

1 / 61 626 / 626


Level1

Time of First Successful Submission: 2026-01-04 13:11:24


System Security

10 / 95 1881 / 3155


chroot-escape-basic

Time of First Successful Submission: 2026-01-09 11:30:40

chroot-shellcode

Time of First Successful Submission: 2026-01-10 12:41:20

level1.0

Time of First Successful Submission: 2026-01-06 20:16:30

level1.1

Time of First Successful Submission: 2026-01-06 20:27:51

level2.0

Time of First Successful Submission: 2026-01-06 20:33:41

level2.1

Time of First Successful Submission: 2026-01-07 08:51:17

level3.0

Time of First Successful Submission: 2026-01-07 09:03:06

level3.1

Time of First Successful Submission: 2026-01-07 09:15:24

level4.0

Time of First Successful Submission: 2026-01-08 07:52:08

level4.1

Time of First Successful Submission: 2026-01-08 11:10:20


Start Here

12 / 12 461 / 37264


Using the Terminal

Time of First Successful Submission: 2025-10-30 17:30:35

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-30 17:34:14

Using the GUI Desktop

Time of First Successful Submission: 2025-10-30 17:51:51

Pasting into the Desktop

Time of First Successful Submission: 2025-10-30 17:56:36

Restarting Challenges

Time of First Successful Submission: 2025-10-30 18:05:35

Challenge Programs

Time of First Successful Submission: 2025-11-04 13:26:35

The Flag File

Time of First Successful Submission: 2025-11-04 13:30:17

Using Privileged Mode

Time of First Successful Submission: 2025-11-04 14:00:00

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-04 14:55:20

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-04 14:57:35


Linux Luminarium

128 / 128 506 / 27158


Intro to Commands

Time of First Successful Submission: 2025-11-04 15:02:43

Intro to Arguments

Time of First Successful Submission: 2025-11-04 15:04:57

Command History

Time of First Successful Submission: 2025-11-04 15:05:51

The Root

Time of First Successful Submission: 2025-11-04 15:08:49

Program and absolute paths

Time of First Successful Submission: 2025-11-04 15:19:40

Position thy self

Time of First Successful Submission: 2025-11-04 16:12:50

Position elsewhere

Time of First Successful Submission: 2025-11-04 16:14:49

implicit relative paths, from /

Time of First Successful Submission: 2025-11-04 16:46:42

explicit relative paths, from /

Time of First Successful Submission: 2025-11-04 16:48:16

implicit relative path

Time of First Successful Submission: 2025-11-04 16:50:32

home sweet home

Time of First Successful Submission: 2025-11-04 16:57:48

cat: not the pet, but the command!

Time of First Successful Submission: 2025-11-04 20:04:53

catting absolute paths

Time of First Successful Submission: 2025-11-04 20:07:32

more catting practice

Time of First Successful Submission: 2025-11-04 20:08:36

grepping for a needle in a haystack

Time of First Successful Submission: 2025-11-04 20:10:34

comparing files

Time of First Successful Submission: 2025-11-04 20:13:14

listing files

Time of First Successful Submission: 2025-11-04 20:14:31

touching files

Time of First Successful Submission: 2025-11-04 20:15:54

removing files

Time of First Successful Submission: 2025-11-04 20:16:46

moving files

Time of First Successful Submission: 2025-11-04 20:18:08

copying files

Time of First Successful Submission: 2025-11-06 19:44:29

hidden files

Time of First Successful Submission: 2025-11-04 20:19:15

An Epic Filesystem Quest

Time of First Successful Submission: 2025-11-04 20:29:29

making directories

Time of First Successful Submission: 2025-11-04 20:30:32

finding files

Time of First Successful Submission: 2025-11-04 20:36:25

linking files

Time of First Successful Submission: 2025-11-04 20:45:20

Learning From Documentation

Time of First Successful Submission: 2025-11-05 07:39:56

Learning Complex Usage

Time of First Successful Submission: 2025-11-05 07:42:35

Reading Manuals

Time of First Successful Submission: 2025-11-05 07:45:56

Searching Manuals

Time of First Successful Submission: 2025-11-05 07:48:22

Searching For Manuals

Time of First Successful Submission: 2025-11-05 07:59:33

Helpful Programs

Time of First Successful Submission: 2025-11-05 08:11:34

Help for Builtins

Time of First Successful Submission: 2025-11-05 08:44:09

Matching with *

Time of First Successful Submission: 2025-11-05 16:36:22

Matching with ?

Time of First Successful Submission: 2025-11-05 16:37:52

Matching with []

Time of First Successful Submission: 2025-11-05 16:40:10

Matching paths with []

Time of First Successful Submission: 2025-11-05 16:42:40

Multiple globs

Time of First Successful Submission: 2025-11-05 16:57:07

Mixing globs

Time of First Successful Submission: 2025-11-05 18:05:34

Exclusionary globbing

Time of First Successful Submission: 2025-11-05 18:15:40

Tab completion

Time of First Successful Submission: 2025-11-05 18:20:03

Multiple options for tab completion

Time of First Successful Submission: 2025-11-05 18:38:21

Tab completion on commands

Time of First Successful Submission: 2025-11-05 18:47:10

Redirecting output

Time of First Successful Submission: 2025-11-14 19:13:23

Redirecting more output

Time of First Successful Submission: 2025-11-14 19:25:16

Appending output

Time of First Successful Submission: 2025-11-14 19:30:08

Redirecting errors

Time of First Successful Submission: 2025-11-14 19:36:40

Redirecting input

Time of First Successful Submission: 2025-11-14 19:38:56

Grepping stored results

Time of First Successful Submission: 2025-11-14 20:02:28

Grepping live output

Time of First Successful Submission: 2025-11-14 20:10:29

Grepping errors

Time of First Successful Submission: 2025-11-14 20:23:56

Filtering with grep -v

Time of First Successful Submission: 2025-11-14 20:27:55

Filtering with sed

Time of First Successful Submission: 2025-11-14 20:31:30

Duplicating piped data with tee

Time of First Successful Submission: 2025-11-14 20:47:31

Process substitution for input

Time of First Successful Submission: 2025-11-14 21:10:44

Writing to multiple programs

Time of First Successful Submission: 2025-11-14 21:43:36

Split-piping stderr and stdout

Time of First Successful Submission: 2025-11-14 22:02:00

Named pipes

Time of First Successful Submission: 2025-11-14 22:17:00

Printing Variables

Time of First Successful Submission: 2025-11-15 08:53:42

Setting Variables

Time of First Successful Submission: 2025-11-15 08:55:54

Multi-word Variables

Time of First Successful Submission: 2025-11-15 08:57:58

Exporting Variables

Time of First Successful Submission: 2025-11-15 09:09:01

Printing Exported Variables

Time of First Successful Submission: 2025-11-15 09:11:28

Storing Command Output

Time of First Successful Submission: 2025-11-15 09:20:28

Reading Input

Time of First Successful Submission: 2025-11-15 09:31:07

Reading Files

Time of First Successful Submission: 2025-11-15 09:57:27

Translating characters

Time of First Successful Submission: 2025-11-18 14:44:30

Deleting characters

Time of First Successful Submission: 2025-11-19 09:35:05

Deleting newlines

Time of First Successful Submission: 2025-11-19 09:37:20

Extracting the first lines with head

Time of First Successful Submission: 2025-11-19 09:39:16

Extracting specific sections of text

Time of First Successful Submission: 2025-11-19 09:46:32

Sorting data

Time of First Successful Submission: 2025-11-19 09:49:30

Listing Processes

Time of First Successful Submission: 2025-11-19 10:09:49

Killing Processes

Time of First Successful Submission: 2025-11-19 10:14:41

Interrupting Processes

Time of First Successful Submission: 2025-11-19 10:17:17

Killing Misbehaving Processes

Time of First Successful Submission: 2025-11-19 10:26:52

Suspending Processes

Time of First Successful Submission: 2025-11-19 10:30:40

Resuming Processes

Time of First Successful Submission: 2025-11-19 10:32:32

Backgrounding Processes

Time of First Successful Submission: 2025-11-19 10:38:05

Foregrounding Processes

Time of First Successful Submission: 2025-11-19 10:46:17

Starting Backgrounded Processes

Time of First Successful Submission: 2025-11-19 10:51:24

Process Exit Codes

Time of First Successful Submission: 2025-11-19 10:56:38

Becoming root with su

Time of First Successful Submission: 2025-11-04 19:45:47

Other users with su

Time of First Successful Submission: 2025-11-04 19:49:34

Cracking passwords

Time of First Successful Submission: 2025-11-04 19:57:30

Using sudo

Time of First Successful Submission: 2025-11-04 20:02:09

Changing File Ownership

Time of First Successful Submission: 2025-11-19 13:50:58

Groups and Files

Time of First Successful Submission: 2025-11-19 14:02:11

Fun With Groups Names

Time of First Successful Submission: 2025-11-19 14:16:06

Changing Permissions

Time of First Successful Submission: 2025-11-19 14:20:07

Executable Files

Time of First Successful Submission: 2025-11-19 14:21:57

Permission Tweaking Practice

Time of First Successful Submission: 2025-11-19 18:24:57

Permissions Setting Practice

Time of First Successful Submission: 2025-11-19 18:29:59

The SUID Bit

Time of First Successful Submission: 2025-11-19 18:32:07

Chaining with Semicolons

Time of First Successful Submission: 2025-11-19 19:57:33

Building on Success

Time of First Successful Submission: 2025-11-19 20:01:10

Handling Failure

Time of First Successful Submission: 2025-11-19 20:02:29

Your First Shell Script

Time of First Successful Submission: 2025-11-19 20:10:39

Redirecting Script Output

Time of First Successful Submission: 2025-11-19 20:16:43

Executable Shell Scripts

Time of First Successful Submission: 2025-11-19 20:21:17

Understanding Shebangs

Time of First Successful Submission: 2025-11-19 20:34:26

Scripting with Arguments

Time of First Successful Submission: 2025-11-19 20:48:04

Scripting with Conditionals

Time of First Successful Submission: 2025-11-19 20:56:08

Scripting with Default Cases

Time of First Successful Submission: 2025-11-19 20:59:07

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-11-19 21:05:54

Reading Shell Scripts

Time of First Successful Submission: 2025-11-19 21:12:23

Launching Screen

Time of First Successful Submission: 2025-11-20 07:35:06

Detaching and Attaching

Time of First Successful Submission: 2025-11-20 07:40:24

Finding Sessions

Time of First Successful Submission: 2025-11-20 07:43:07

Switching Windows

Time of First Successful Submission: 2025-11-20 07:49:01

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-11-20 07:52:55

Switching Windows (tmux)

Time of First Successful Submission: 2025-11-20 07:57:40

The PATH Variable

Time of First Successful Submission: 2025-11-20 08:01:35

Setting PATH

Time of First Successful Submission: 2025-11-20 08:04:11

Finding Commands

Time of First Successful Submission: 2025-11-20 08:10:03

Adding Commands

Time of First Successful Submission: 2025-11-21 13:00:04

Hijacking Commands

Time of First Successful Submission: 2025-11-21 13:06:52

Bashrc Backdoor

Time of First Successful Submission: 2025-11-22 12:28:50

Sniffing Input

Time of First Successful Submission: 2025-11-23 08:14:41

Overshared Directories

Time of First Successful Submission: 2025-11-23 08:21:30

Tricky Linking

Time of First Successful Submission: 2025-11-23 08:25:23

Sniffing Process Arguments

Time of First Successful Submission: 2025-11-23 08:41:49

Snooping on Configurations

Time of First Successful Submission: 2025-11-23 08:47:02

The Fork Bomb

Time of First Successful Submission: 2025-11-23 09:30:57

Disk-Space Doomsday

Time of First Successful Submission: 2025-11-23 10:03:31

rm -rf /

Time of First Successful Submission: 2025-11-23 10:14:25

Life after rm -rf /

Time of First Successful Submission: 2025-11-23 10:21:03

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-11-23 10:35:36


Computing 101

57 / 69 3385 / 19204


Your First Register

Time of First Successful Submission: 2025-11-04 18:34:57

Your First Syscall

Time of First Successful Submission: 2025-11-04 18:42:03

Exit Codes

Time of First Successful Submission: 2025-11-04 18:49:43

Building Executables

Time of First Successful Submission: 2025-11-04 19:04:40

Moving Between Registers

Time of First Successful Submission: 2025-11-04 19:25:00

Tracing Syscalls

Time of First Successful Submission: 2025-11-05 09:10:22

Starting GDB

Time of First Successful Submission: 2025-11-05 09:12:38

Starting Programs in GDB

Time of First Successful Submission: 2025-11-05 09:14:50

Loading From Memory

Time of First Successful Submission: 2025-11-06 17:49:08

More Loading Practice

Time of First Successful Submission: 2025-11-06 17:55:53

Dereferencing Pointers

Time of First Successful Submission: 2025-11-06 18:04:14

Dereferencing Yourself

Time of First Successful Submission: 2025-11-06 18:18:10

Dereferencing with Offsets

Time of First Successful Submission: 2025-11-06 18:45:20

Stored Addresses

Time of First Successful Submission: 2025-11-06 18:52:09

Double Dereference

Time of First Successful Submission: 2025-11-06 19:17:53

Triple Dereference

Time of First Successful Submission: 2025-11-06 19:28:00

Writing Output

Time of First Successful Submission: 2025-11-06 19:56:09

Chaining Syscalls

Time of First Successful Submission: 2025-11-06 20:15:41

Writing Strings

Time of First Successful Submission: 2025-11-15 10:24:59

Reading Data

Time of First Successful Submission: 2025-11-15 10:31:08

set-register

Time of First Successful Submission: 2025-11-15 13:22:33

set-multiple-registers

Time of First Successful Submission: 2025-11-30 18:40:35

add-to-register

Time of First Successful Submission: 2025-11-30 18:52:18

linear-equation-registers

Time of First Successful Submission: 2025-11-30 19:06:20

integer-division

Time of First Successful Submission: 2025-11-30 19:24:41

modulo-operation

Time of First Successful Submission: 2025-12-01 07:37:01

set-upper-byte

Time of First Successful Submission: 2025-12-01 08:09:58

efficient-modulo

Time of First Successful Submission: 2025-12-01 09:50:19

byte-extraction

Time of First Successful Submission: 2025-12-01 11:10:45

bitwise-and

Time of First Successful Submission: 2025-12-01 12:17:31

check-even

Time of First Successful Submission: 2025-12-02 08:05:25

memory-read

Time of First Successful Submission: 2025-12-02 08:32:49

memory-write

Time of First Successful Submission: 2025-12-02 08:36:19

memory-increment

Time of First Successful Submission: 2025-12-02 08:48:12

byte-access

Time of First Successful Submission: 2025-12-02 09:02:10

memory-size-access

Time of First Successful Submission: 2025-12-02 09:08:32

little-endian-write

Time of First Successful Submission: 2025-12-02 10:20:37

memory-sum

Time of First Successful Submission: 2025-12-03 08:38:19

stack-subtraction

Time of First Successful Submission: 2025-12-03 10:19:25

swap-stack-values

Time of First Successful Submission: 2025-12-04 08:15:35

average-stack-values

Time of First Successful Submission: 2025-12-04 08:51:37

absolute-jump

Time of First Successful Submission: 2025-12-04 10:45:55

relative-jump

Time of First Successful Submission: 2025-12-04 11:07:46

jump-trampoline

Time of First Successful Submission: 2025-12-05 08:05:22

conditional-jump

Time of First Successful Submission: 2025-12-05 09:04:30

indirect-jump

Time of First Successful Submission: 2025-12-05 12:04:30

average-loop

Time of First Successful Submission: 2025-12-06 13:15:49

count-non-zero

Time of First Successful Submission: 2025-12-09 16:21:43

string-lower

Time of First Successful Submission: 2025-12-12 18:26:09

most-common-byte

Time of First Successful Submission: 2025-12-12 18:29:18

Debugging Programs

Time of First Successful Submission: 2025-12-08 18:27:04

Inspecting Registers

Time of First Successful Submission: 2025-12-08 18:30:56

Examining Memory

Time of First Successful Submission: 2025-12-08 19:16:37

Setting Breakpoints

Time of First Successful Submission: 2025-12-24 09:11:14

Exit

Time of First Successful Submission: 2025-12-13 21:04:50

Socket

Time of First Successful Submission: 2025-12-13 21:30:18

Bind

Time of First Successful Submission: 2025-12-15 13:51:09


Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-11-05 09:43:48

... and again!

Time of First Successful Submission: 2025-11-05 09:44:54

Newline Troubles

Time of First Successful Submission: 2025-11-05 15:31:38

Reasoning about files

Time of First Successful Submission: 2025-11-05 16:18:50

Specifying Filenames

Time of First Successful Submission: 2025-11-05 16:26:47

Binary and Hex Encoding

Time of First Successful Submission: 2025-11-24 08:25:05

More Hex

Time of First Successful Submission: 2025-11-24 08:26:57

Decoding Hex

Time of First Successful Submission: 2025-11-24 08:47:41

Decoding Practice

Time of First Successful Submission: 2025-11-24 09:05:59

Encoding Practice

Time of First Successful Submission: 2025-11-24 09:24:18

Hex-encoding ASCII

Time of First Successful Submission: 2025-11-25 09:32:12

Nested Encoding

Time of First Successful Submission: 2025-11-29 20:30:16

Your First HTTP Request

Time of First Successful Submission: 2026-01-02 17:36:24

Reading Flask

Time of First Successful Submission: 2026-01-02 18:00:56


CybHer Dojo

50 / 104 41 / 37478


Using the Terminal

Time of First Successful Submission: 2025-10-30 17:30:35

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-30 17:34:14

Using the GUI Desktop

Time of First Successful Submission: 2025-10-30 17:51:51

Pasting into the Desktop

Time of First Successful Submission: 2025-10-30 17:56:36

Connecting over SSH

Time of First Successful Submission: 2025-12-20 13:24:21

Restarting Challenges

Time of First Successful Submission: 2025-10-30 18:05:35

Getting Help

Time of First Successful Submission: 2025-10-30 18:14:45

Challenge Programs

Time of First Successful Submission: 2025-11-04 13:26:35

The Flag File

Time of First Successful Submission: 2025-11-04 13:30:17

Using Privileged Mode

Time of First Successful Submission: 2025-11-04 14:00:00

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-04 14:55:20

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-04 14:57:35

Running Commands

Time of First Successful Submission: 2025-12-26 19:29:37

Move through the Linux filesystem.

Time of First Successful Submission: 2025-12-26 19:36:58

Create and delete files.

Time of First Successful Submission: 2025-12-26 19:40:20

Move, copy, and rename files.

Time of First Successful Submission: 2025-12-26 19:47:26

Display file contents in the terminal.

Time of First Successful Submission: 2025-12-26 19:49:46

Create files with nano.

Time of First Successful Submission: 2025-12-26 19:52:30

Edit files with nano.

Time of First Successful Submission: 2025-12-26 19:53:32

Locate files on the Linux filesystem.

Time of First Successful Submission: 2025-12-26 19:59:40

Find the password! (Searching files)

Time of First Successful Submission: 2025-12-26 20:15:02

Advanced Directory Techniques.

Time of First Successful Submission: 2025-12-26 20:20:44

Learn about command flags.

Time of First Successful Submission: 2025-12-26 20:23:24

Printing

Time of First Successful Submission: 2025-12-27 10:41:21

Variables

Time of First Successful Submission: 2025-12-27 10:48:14

Format Print

Time of First Successful Submission: 2025-12-27 10:54:08

User Input

Time of First Successful Submission: 2025-12-27 11:39:29

Type Casting

Time of First Successful Submission: 2025-12-27 11:44:51

Knowledge Check I (Input/Output)

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

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2025-12-27 12:32:33

Math

Time of First Successful Submission: 2025-12-27 12:39:31

Floor Division

Time of First Successful Submission: 2025-12-27 12:43:22

Geometry

Time of First Successful Submission: 2025-12-27 12:48:09

Comparison

Time of First Successful Submission: 2025-12-27 13:02:44

Knowledge Check I (Math)

Time of First Successful Submission: 2025-12-28 09:53:36

Knowledge Check II (Math)

Time of First Successful Submission: 2025-12-28 10:02:33

If Statements

Time of First Successful Submission: 2025-12-28 10:25:07

If Else Statements

Time of First Successful Submission: 2025-12-28 10:33:17

Nested

Time of First Successful Submission: 2025-12-28 10:55:17

Else If Blocks

Time of First Successful Submission: 2025-12-28 11:16:02

Logical Operators

Time of First Successful Submission: 2025-12-29 08:35:32

Knowledge Check I (Conditionals)

Time of First Successful Submission: 2025-12-29 08:53:01

While

Time of First Successful Submission: 2025-12-29 09:11:25

Lists

Time of First Successful Submission: 2025-12-29 09:26:15

Range

Time of First Successful Submission: 2025-12-29 09:36:00

For

Time of First Successful Submission: 2025-12-29 09:54:53

Knowledge Check I (Loops)

Time of First Successful Submission: 2025-12-29 10:27:05

Caesar Cipher Encoding

Time of First Successful Submission: 2025-12-30 16:52:00

Caesar Cipher Decoding

Time of First Successful Submission: 2025-12-30 16:53:37

Caesar Cipher Scripting

Time of First Successful Submission: 2025-12-30 17:15:37


DOS Dojo

9 / 9 18 / 32


cat.exe (type)

Time of First Successful Submission: 2026-01-04 15:44:39

ls.exe (dir)

Time of First Successful Submission: 2026-01-04 15:47:25

Changing Disks

Time of First Successful Submission: 2026-01-04 15:48:50

Reading Floppies

Time of First Successful Submission: 2026-01-04 16:04:35

Installing MS-DOS

Time of First Successful Submission: 2026-01-04 16:11:54

autoexec.bat

Time of First Successful Submission: 2026-01-04 16:21:35

doskey

Time of First Successful Submission: 2026-01-04 16:25:15

DOS Networking

Time of First Successful Submission: 2026-01-04 18:15:31

Unprotected Memory

Time of First Successful Submission: 2026-01-04 18:24:28


GCA CTF

50 / 104 41 / 37478


Using the Terminal

Time of First Successful Submission: 2025-10-30 17:30:35

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-30 17:34:14

Using the GUI Desktop

Time of First Successful Submission: 2025-10-30 17:51:51

Pasting into the Desktop

Time of First Successful Submission: 2025-10-30 17:56:36

Connecting over SSH

Time of First Successful Submission: 2025-12-20 13:24:21

Restarting Challenges

Time of First Successful Submission: 2025-10-30 18:05:35

Getting Help

Time of First Successful Submission: 2025-10-30 18:14:45

Challenge Programs

Time of First Successful Submission: 2025-11-04 13:26:35

The Flag File

Time of First Successful Submission: 2025-11-04 13:30:17

Using Privileged Mode

Time of First Successful Submission: 2025-11-04 14:00:00

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-04 14:55:20

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-04 14:57:35

Running Commands

Time of First Successful Submission: 2025-12-26 19:29:37

Move through the Linux filesystem.

Time of First Successful Submission: 2025-12-26 19:36:58

Create and delete files.

Time of First Successful Submission: 2025-12-26 19:40:20

Move, copy, and rename files.

Time of First Successful Submission: 2025-12-26 19:47:26

Display file contents in the terminal.

Time of First Successful Submission: 2025-12-26 19:49:46

Create files with nano.

Time of First Successful Submission: 2025-12-26 19:52:30

Edit files with nano.

Time of First Successful Submission: 2025-12-26 19:53:32

Locate files on the Linux filesystem.

Time of First Successful Submission: 2025-12-26 19:59:40

Find the password! (Searching files)

Time of First Successful Submission: 2025-12-26 20:15:02

Advanced Directory Techniques.

Time of First Successful Submission: 2025-12-26 20:20:44

Learn about command flags.

Time of First Successful Submission: 2025-12-26 20:23:24

Printing

Time of First Successful Submission: 2025-12-27 10:41:21

Variables

Time of First Successful Submission: 2025-12-27 10:48:14

Format Print

Time of First Successful Submission: 2025-12-27 10:54:08

User Input

Time of First Successful Submission: 2025-12-27 11:39:29

Type Casting

Time of First Successful Submission: 2025-12-27 11:44:51

Knowledge Check I (Input/Output)

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

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2025-12-27 12:32:33

Math

Time of First Successful Submission: 2025-12-27 12:39:31

Floor Division

Time of First Successful Submission: 2025-12-27 12:43:22

Geometry

Time of First Successful Submission: 2025-12-27 12:48:09

Comparison

Time of First Successful Submission: 2025-12-27 13:02:44

Knowledge Check I (Math)

Time of First Successful Submission: 2025-12-28 09:53:36

Knowledge Check II (Math)

Time of First Successful Submission: 2025-12-28 10:02:33

If Statements

Time of First Successful Submission: 2025-12-28 10:25:07

If Else Statements

Time of First Successful Submission: 2025-12-28 10:33:17

Nested

Time of First Successful Submission: 2025-12-28 10:55:17

Else If Blocks

Time of First Successful Submission: 2025-12-28 11:16:02

Logical Operators

Time of First Successful Submission: 2025-12-29 08:35:32

Knowledge Check I (Conditionals)

Time of First Successful Submission: 2025-12-29 08:53:01

While

Time of First Successful Submission: 2025-12-29 09:11:25

Lists

Time of First Successful Submission: 2025-12-29 09:26:15

Range

Time of First Successful Submission: 2025-12-29 09:36:00

For

Time of First Successful Submission: 2025-12-29 09:54:53

Knowledge Check I (Loops)

Time of First Successful Submission: 2025-12-29 10:27:05

Caesar Cipher Encoding

Time of First Successful Submission: 2025-12-30 16:52:00

Caesar Cipher Decoding

Time of First Successful Submission: 2025-12-30 16:53:37

Caesar Cipher Scripting

Time of First Successful Submission: 2025-12-30 17:15:37


Hacker History

1 / 8 139 / 139


External BBS (login)

Time of First Successful Submission: 2025-12-27 13:43:54


Honors Dojo

1 / 11 92 / 92



Honors Dojo

1 / 17 92 / 92



Honors Dojo

1 / 17 92 / 92


Join an IRC Server

Time of First Successful Submission: 2026-01-05 19:08:13


Privilege Escalation

1 / 555 121 / 124


aa-exec

Time of First Successful Submission: 2025-12-31 09:02:59