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Intro to Programming Languages

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Commands

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Command Arguments

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Command History

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Start Here

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Using the Terminal

Time of First Successful Submission: 2026-02-12 18:24:53

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-12 18:26:37

Using the GUI Desktop

Time of First Successful Submission: 2026-02-12 18:28:53

Pasting into the Desktop

Time of First Successful Submission: 2026-02-12 18:30:40

Restarting Challenges

Time of First Successful Submission: 2026-02-12 19:09:20

Challenge Programs

Time of First Successful Submission: 2026-02-14 13:31:23

The Flag File

Time of First Successful Submission: 2026-02-14 13:32:14

Using Privileged Mode

Time of First Successful Submission: 2026-02-14 13:37:55

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-16 19:49:43

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-16 19:50:31

Linux Luminarium

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Intro to Commands

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Intro to Arguments

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Command History

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Computing 101

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Your First Register

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Your First Syscall

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Exit Codes

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Building Executables

Time of First Successful Submission: 2026-02-16 20:14:49

Moving Between Registers

Time of First Successful Submission: 2026-02-16 20:17:14

Loading From Memory

Time of First Successful Submission: 2026-03-24 07:58:02

More Loading Practice

Time of First Successful Submission: 2026-03-24 08:14:35

Dereferencing Pointers

Time of First Successful Submission: 2026-03-24 08:09:49

Dereferencing Yourself

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Dereferencing with Offsets

Time of First Successful Submission: 2026-03-25 23:14:01

Stored Addresses

Time of First Successful Submission: 2026-03-25 23:19:54

Double Dereference

Time of First Successful Submission: 2026-03-25 23:24:23

The Stack

Time of First Successful Submission: 2026-03-27 08:20:06

Stack Offsets

Time of First Successful Submission: 2026-03-27 08:21:55

Program Arguments on the Stack

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Popping From the Stack

Time of First Successful Submission: 2026-03-27 08:33:21

Disassembling Programs

Time of First Successful Submission: 2026-03-27 08:51:53

Tracing Syscalls

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Starting GDB

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Quitting GDB

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Starting Programs in GDB

Time of First Successful Submission: 2026-03-27 08:58:15

Disassembling in GDB

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Stepping Through Instructions

Time of First Successful Submission: 2026-03-27 09:00:22

Reading Register Values

Time of First Successful Submission: 2026-03-27 09:01:21

Popping Stack Values

Time of First Successful Submission: 2026-03-27 09:02:53

Examining Memory

Time of First Successful Submission: 2026-03-27 09:04:44

Examining Stack Pointers

Time of First Successful Submission: 2026-03-27 09:07:33

Cooperative Debugging

Time of First Successful Submission: 2026-03-27 09:11:30

Writing Output

Time of First Successful Submission: 2026-03-30 07:25:17

Chaining Syscalls

Time of First Successful Submission: 2026-03-30 07:27:00

Writing Strings

Time of First Successful Submission: 2026-03-30 07:28:24

Reading Data

Time of First Successful Submission: 2026-03-30 19:26:26

Opening Files

Time of First Successful Submission: 2026-03-30 19:37:50

Hardcoding the Filename

Time of First Successful Submission: 2026-03-30 19:43:35

Comparing Values

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Comparing Characters

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Conditional Control Flow

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Comparing Strings

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Reverse the Password

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Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-30 21:43:25

Looping

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Reverse the Calculation

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Reverse the Reverse

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Dealing with Bitwise Operations

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Loops on Data

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set-register

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set-multiple-registers

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add-to-register

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linear-equation-registers

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integer-division

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modulo-operation

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set-upper-byte

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efficient-modulo

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byte-extraction

Time of First Successful Submission: 2026-03-31 20:26:15

bitwise-and

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check-even

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memory-read

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memory-write

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memory-increment

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byte-access

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memory-size-access

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little-endian-write

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memory-sum

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stack-subtraction

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swap-stack-values

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average-stack-values

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absolute-jump

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relative-jump

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jump-trampoline

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conditional-jump

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indirect-jump

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average-loop

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Debugging Programs

Time of First Successful Submission: 2026-04-02 07:35:23

Inspecting Registers

Time of First Successful Submission: 2026-04-02 08:11:40

Examining Memory

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Setting Breakpoints

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Playing With Programs

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cat

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ARM Dojo

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Level1

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Level2

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Level3

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Level4

Time of First Successful Submission: 2026-04-02 19:49:42

Level5

Time of First Successful Submission: 2026-04-02 19:56:42

Level6

Time of First Successful Submission: 2026-04-02 20:21:38

Level7

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

Level8

Time of First Successful Submission: 2026-04-02 21:01:25

Level9

Time of First Successful Submission: 2026-04-02 21:12:21

Level10

Time of First Successful Submission: 2026-04-02 21:15:35

Level11

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Level12

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Level13

Time of First Successful Submission: 2026-04-02 22:01:07

Level14

Time of First Successful Submission: 2026-04-02 22:06:22

Level15

Time of First Successful Submission: 2026-04-02 22:18:29

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-02-12 18:24:53

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-12 18:26:37

Using the GUI Desktop

Time of First Successful Submission: 2026-02-12 18:28:53

Pasting into the Desktop

Time of First Successful Submission: 2026-02-12 18:30:40

Connecting over SSH

Time of First Successful Submission: 2026-02-12 19:05:43

Restarting Challenges

Time of First Successful Submission: 2026-02-12 19:09:20

Challenge Programs

Time of First Successful Submission: 2026-02-14 13:31:23

The Flag File

Time of First Successful Submission: 2026-02-14 13:32:14

Using Privileged Mode

Time of First Successful Submission: 2026-02-14 13:37:55

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-16 19:49:43

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-16 19:50:31

Pwntools Tutorials

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Level 0.0

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Level 1.0

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Level 1.1

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Level 2.0

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Level 2.1

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Level 2.2

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Level 3.0

Time of First Successful Submission: 2026-04-03 21:35:04

Level 4.0

Time of First Successful Submission: 2026-04-03 21:57:32