BlueRobin

🐧 ⌨

United States

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2025-03-17 18:53:59

Getting Started

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Using the VSCode Workspace

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Using the GUI Desktop

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Pasting into the Desktop

Time of First Successful Submission: 2025-03-17 16:55:01

Restarting Challenges

Time of First Successful Submission: 2025-03-17 16:58:31

Getting Help

Time of First Successful Submission: 2025-03-17 17:00:36

Challenge Programs

Time of First Successful Submission: 2025-03-17 17:01:47

The Flag File

Time of First Successful Submission: 2025-03-17 18:28:40

Using Practice Mode

Time of First Successful Submission: 2025-03-17 18:30:32

Persistent Home Directories - One

Time of First Successful Submission: 2025-03-17 18:33:22

Persistent Home Directories - Two

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Linux Luminarium

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Intro to Commands

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Intro to Arguments

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The Root

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Program and absolute paths

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Position thy self

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Position elsewhere

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Position yet elsewhere

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implicit relative paths, from /

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explicit relative paths, from /

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implicit relative path

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home sweet home

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cat: not the pet, but the command!

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catting absolute paths

Time of First Successful Submission: 2025-03-17 19:57:31

more catting practice

Time of First Successful Submission: 2025-03-17 19:58:06

grepping for a needle in a haystack

Time of First Successful Submission: 2025-03-17 19:59:29

listing files

Time of First Successful Submission: 2025-03-17 20:00:21

touching files

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removing files

Time of First Successful Submission: 2025-03-17 20:01:50

hidden files

Time of First Successful Submission: 2025-03-17 20:02:29

An Epic Filesystem Quest

Time of First Successful Submission: 2025-03-17 20:14:32

making directories

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finding files

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linking files

Time of First Successful Submission: 2025-03-17 20:20:18

Learning From Documentation

Time of First Successful Submission: 2025-03-17 20:21:40

Learning Complex Usage

Time of First Successful Submission: 2025-03-17 20:22:19

Reading Manuals

Time of First Successful Submission: 2025-03-17 20:23:22

Searching Manuals

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Searching For Manuals

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Helpful Programs

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Help for Builtins

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Matching with *

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Matching with ?

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Matching with []

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Matching paths with []

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Mixing globs

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Exclusionary globbing

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Redirecting output

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Redirecting more output

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Appending output

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Redirecting errors

Time of First Successful Submission: 2025-03-17 21:02:07

Redirecting input

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Grepping stored results

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Grepping live output

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Grepping errors

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Duplicating piped data with tee

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Writing to multiple programs

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Split-piping stderr and stdout

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Printing Variables

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Setting Variables

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Multi-word Variables

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Exporting Variables

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Printing Exported Variables

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Storing Command Output

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Reading Input

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Reading Files

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Listing Processes

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Killing Processes

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Interrupting Processes

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Suspending Processes

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Resuming Processes

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Backgrounding Processes

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Foregrounding Processes

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Starting Backgrounded Processes

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Process Exit Codes

Time of First Successful Submission: 2025-03-17 22:30:27

Changing File Ownership

Time of First Successful Submission: 2025-03-17 22:33:43

Groups and Files

Time of First Successful Submission: 2025-03-17 22:35:49

Fun With Groups Names

Time of First Successful Submission: 2025-03-17 22:37:23

Changing Permissions

Time of First Successful Submission: 2025-03-17 22:40:38

Executable Files

Time of First Successful Submission: 2025-03-17 22:41:05

Permission Tweaking Practice

Time of First Successful Submission: 2025-03-17 23:03:42

Permissions Setting Practice

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The SUID Bit

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Becoming root with su

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Other users with su

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Cracking passwords

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Using sudo

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Chaining with Semicolons

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Your First Shell Script

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Redirecting Script Output

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Executable Shell Scripts

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The PATH Variable

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Setting PATH

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Adding Commands

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Hijacking Commands

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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

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Moving Between Registers

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Tracing Syscalls

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Starting GDB

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Starting Programs in GDB

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Loading From Memory

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More Loading Practice

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Dereferencing Pointers

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Dereferencing Yourself

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Dereferencing with Offsets

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Stored Addresses

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Double Dereference

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Triple Dereference

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Writing Output

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Chaining Syscalls

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Writing Strings

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Reading 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

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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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Honors Dojo

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Join an IRC Server

Time of First Successful Submission: 2025-03-20 22:34:43

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2025-03-20 22:36:29

Change your nickname

Time of First Successful Submission: 2025-03-20 22:39:14

Join a channel

Time of First Successful Submission: 2025-03-20 22:43:14

Message a channel

Time of First Successful Submission: 2025-03-20 22:44:21

Remove another user

Time of First Successful Submission: 2025-03-20 22:46:05