Crypto-D0T

🐧

Intro to Programming Languages

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Commands

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Command Arguments

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The Root Path

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Absolute Paths

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Changing position

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Changing to an Absolute Path

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Relative Paths

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Cat

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Ls

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Ls All

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Find

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Piping Echo

Time of First Successful Submission: 2024-10-06 03:07:32

Piping Stdout

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Piping Stdin

Time of First Successful Submission: 2024-10-06 03:25:53


Start Here

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Using the VSCode Workspace

Time of First Successful Submission: 2024-10-05 02:40:42

Using the GUI Desktop

Time of First Successful Submission: 2024-10-05 02:44:01

Pasting into the Desktop

Time of First Successful Submission: 2024-10-05 02:45:43

Restarting Challenges

Time of First Successful Submission: 2024-10-05 02:48:13

Challenge Programs

Time of First Successful Submission: 2024-10-05 02:59:27

The Flag File

Time of First Successful Submission: 2024-10-14 23:08:29

Using Privileged Mode

Time of First Successful Submission: 2024-10-14 23:13:22

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-14 23:15:42

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-15 03:59:15


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2024-10-05 03:01:04

Intro to Arguments

Time of First Successful Submission: 2024-10-05 03:01:54

The Root

Time of First Successful Submission: 2024-10-05 03:04:10

Program and absolute paths

Time of First Successful Submission: 2024-10-05 03:05:20

Position thy self

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Position elsewhere

Time of First Successful Submission: 2024-10-05 03:09:47

implicit relative paths, from /

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explicit relative paths, from /

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implicit relative path

Time of First Successful Submission: 2024-10-05 03:21:38

home sweet home

Time of First Successful Submission: 2024-10-05 03:37:34

cat: not the pet, but the command!

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catting absolute paths

Time of First Successful Submission: 2024-10-05 03:41:29

more catting practice

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grepping for a needle in a haystack

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listing files

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touching files

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removing files

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hidden files

Time of First Successful Submission: 2024-10-05 03:49:23

An Epic Filesystem Quest

Time of First Successful Submission: 2024-10-05 03:56:00

making directories

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finding files

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linking files

Time of First Successful Submission: 2024-10-05 22:00:08

Learning From Documentation

Time of First Successful Submission: 2024-10-05 22:06:34

Learning Complex Usage

Time of First Successful Submission: 2024-10-05 22:08:37

Reading Manuals

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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

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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

Time of First Successful Submission: 2024-10-06 05:07:52

Writing to multiple programs

Time of First Successful Submission: 2024-10-09 14:03:56

Split-piping stderr and stdout

Time of First Successful Submission: 2024-10-10 02:20:19

Printing Variables

Time of First Successful Submission: 2024-10-10 02:22:44

Setting Variables

Time of First Successful Submission: 2024-10-10 02:25:20

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

Time of First Successful Submission: 2024-10-11 19:06:26

Listing Processes

Time of First Successful Submission: 2024-10-11 19:15:39

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

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Becoming root with su

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Other users with su

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Cracking passwords

Time of First Successful Submission: 2024-10-13 04:29:51

Using sudo

Time of First Successful Submission: 2024-10-13 04:58:20

Changing File Ownership

Time of First Successful Submission: 2024-10-12 22:17:07

Groups and Files

Time of First Successful Submission: 2024-10-12 22:22:40

Fun With Groups Names

Time of First Successful Submission: 2024-10-12 22:23:29

Changing Permissions

Time of First Successful Submission: 2024-10-12 22:31:57

Executable Files

Time of First Successful Submission: 2024-10-12 22:54:03

Permission Tweaking Practice

Time of First Successful Submission: 2024-10-12 23:03:47

Permissions Setting Practice

Time of First Successful Submission: 2024-10-12 23:17:28

The SUID Bit

Time of First Successful Submission: 2024-10-13 04:13:40

Chaining with Semicolons

Time of First Successful Submission: 2024-10-14 03:58:47

Your First Shell Script

Time of First Successful Submission: 2024-10-14 04:01:23

Redirecting Script Output

Time of First Successful Submission: 2024-10-14 23:00:20

Executable Shell Scripts

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The PATH Variable

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Setting PATH

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Adding Commands

Time of First Successful Submission: 2024-10-15 05:10:26

Hijacking Commands

Time of First Successful Submission: 2024-10-15 06:32:48


Computing 101

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Your First Register

Time of First Successful Submission: 2025-01-11 23:34:47

Your First Syscall

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Exit Codes

Time of First Successful Submission: 2025-01-12 17:52:09

Building Executables

Time of First Successful Submission: 2025-01-12 18:08:38

Moving Between Registers

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Tracing Syscalls

Time of First Successful Submission: 2025-01-12 18:19:47

Starting GDB

Time of First Successful Submission: 2025-03-16 21:10:12

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

Time of First Successful Submission: 2025-03-16 23:28:20

linear-equation-registers

Time of First Successful Submission: 2025-03-16 23:35:34

integer-division

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modulo-operation

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set-upper-byte

Time of First Successful Submission: 2025-03-19 04:18:18

efficient-modulo

Time of First Successful Submission: 2025-03-21 13:24:39

byte-extraction

Time of First Successful Submission: 2025-03-22 01:49:11

bitwise-and

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check-even

Time of First Successful Submission: 2025-04-03 22:58:08

memory-read

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memory-write

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memory-increment

Time of First Successful Submission: 2025-04-06 19:26:14

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

Time of First Successful Submission: 2025-05-11 21:25:41

indirect-jump

Time of First Successful Submission: 2025-06-02 16:54:37

average-loop

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count-non-zero

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Playing With Programs

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cat

Time of First Successful Submission: 2024-10-16 23:01:22

more

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less

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tail

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head

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sort

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vim

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emacs

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nano

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rev

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od

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hd

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xxd

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base32

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base64

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split

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gzip

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bzip2

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zip

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tar

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ar

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cpio

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CybHer Dojo

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Using the VSCode Workspace

Time of First Successful Submission: 2024-10-05 02:40:42

Using the GUI Desktop

Time of First Successful Submission: 2024-10-05 02:44:01

Pasting into the Desktop

Time of First Successful Submission: 2024-10-05 02:45:43

Restarting Challenges

Time of First Successful Submission: 2024-10-05 02:48:13

Getting Help

Time of First Successful Submission: 2024-10-05 02:55:51

Challenge Programs

Time of First Successful Submission: 2024-10-05 02:59:27

The Flag File

Time of First Successful Submission: 2024-10-14 23:08:29

Using Privileged Mode

Time of First Successful Submission: 2024-10-14 23:13:22

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-14 23:15:42

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-15 03:59:15


GCA CTF

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Using the VSCode Workspace

Time of First Successful Submission: 2024-10-05 02:40:42

Using the GUI Desktop

Time of First Successful Submission: 2024-10-05 02:44:01

Pasting into the Desktop

Time of First Successful Submission: 2024-10-05 02:45:43

Restarting Challenges

Time of First Successful Submission: 2024-10-05 02:48:13

Getting Help

Time of First Successful Submission: 2024-10-05 02:55:51

Challenge Programs

Time of First Successful Submission: 2024-10-05 02:59:27

The Flag File

Time of First Successful Submission: 2024-10-14 23:08:29

Using Privileged Mode

Time of First Successful Submission: 2024-10-14 23:13:22

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-14 23:15:42

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-15 03:59:15