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Triple Dereference

Time of First Successful Submission: 2024-12-14 04:04:23


Intro to Programming Languages

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Commands

Time of First Successful Submission: 2024-11-15 20:24:06

Command Arguments

Time of First Successful Submission: 2024-11-15 20:27:21

The Root Path

Time of First Successful Submission: 2024-11-15 20:30:15

Absolute Paths

Time of First Successful Submission: 2024-11-15 20:35:40

Changing position

Time of First Successful Submission: 2024-11-15 20:40:39

Changing to an Absolute Path

Time of First Successful Submission: 2024-11-15 20:44:06

Relative Paths

Time of First Successful Submission: 2024-11-15 20:51:38

Cat

Time of First Successful Submission: 2024-11-15 21:13:31

Ls

Time of First Successful Submission: 2024-11-15 21:24:13

Ls All

Time of First Successful Submission: 2024-11-15 21:33:48

Find

Time of First Successful Submission: 2024-11-15 23:40:14

Piping Echo

Time of First Successful Submission: 2024-11-16 02:14:39

Piping Stdout

Time of First Successful Submission: 2024-11-16 02:17:40

Piping Stdin

Time of First Successful Submission: 2024-11-16 02:36:10


Intro to Cybersecurity

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Connect

Time of First Successful Submission: 2024-08-09 17:12:48

Listen

Time of First Successful Submission: 2024-08-09 17:21:33

Scan 1

Time of First Successful Submission: 2024-08-09 18:12:24

Scan 2

Time of First Successful Submission: 2024-08-09 19:27:48


Start Here

9 / 12 20025 / 42187


Using the VSCode Workspace

Time of First Successful Submission: 2024-08-09 15:06:26

Using the GUI Desktop

Time of First Successful Submission: 2024-08-09 15:13:05

Pasting into the Desktop

Time of First Successful Submission: 2024-08-09 15:15:22

Restarting Challenges

Time of First Successful Submission: 2024-08-09 15:21:17

Challenge Programs

Time of First Successful Submission: 2024-08-09 15:43:43

The Flag File

Time of First Successful Submission: 2024-08-09 15:46:44

Using Privileged Mode

Time of First Successful Submission: 2024-08-09 16:02:09

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-09 16:04:33

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-09 16:25:10


Linux Luminarium

83 / 128 8683 / 31517


Intro to Commands

Time of First Successful Submission: 2024-11-15 20:24:06

Intro to Arguments

Time of First Successful Submission: 2024-11-15 20:27:21

The Root

Time of First Successful Submission: 2024-11-15 20:30:15

Program and absolute paths

Time of First Successful Submission: 2024-11-15 20:35:40

Position thy self

Time of First Successful Submission: 2024-11-15 20:40:39

Position elsewhere

Time of First Successful Submission: 2024-11-15 20:44:06

implicit relative paths, from /

Time of First Successful Submission: 2024-11-15 20:51:38

explicit relative paths, from /

Time of First Successful Submission: 2024-11-15 20:55:24

implicit relative path

Time of First Successful Submission: 2024-11-15 20:58:52

home sweet home

Time of First Successful Submission: 2024-11-15 21:02:50

cat: not the pet, but the command!

Time of First Successful Submission: 2024-11-15 21:13:31

catting absolute paths

Time of First Successful Submission: 2024-11-15 21:15:41

more catting practice

Time of First Successful Submission: 2024-11-15 21:20:37

grepping for a needle in a haystack

Time of First Successful Submission: 2024-11-15 21:22:37

listing files

Time of First Successful Submission: 2024-11-15 21:24:13

touching files

Time of First Successful Submission: 2024-11-15 21:28:13

removing files

Time of First Successful Submission: 2024-11-15 21:30:02

hidden files

Time of First Successful Submission: 2024-11-15 21:33:48

An Epic Filesystem Quest

Time of First Successful Submission: 2024-11-15 21:39:51

making directories

Time of First Successful Submission: 2024-11-15 21:42:23

finding files

Time of First Successful Submission: 2024-11-15 23:40:14

linking files

Time of First Successful Submission: 2024-11-15 23:58:26

Learning From Documentation

Time of First Successful Submission: 2024-11-16 00:05:24

Learning Complex Usage

Time of First Successful Submission: 2024-11-16 00:12:12

Reading Manuals

Time of First Successful Submission: 2024-11-16 00:21:52

Searching Manuals

Time of First Successful Submission: 2024-11-16 00:29:29

Searching For Manuals

Time of First Successful Submission: 2024-11-16 00:54:08

Helpful Programs

Time of First Successful Submission: 2024-11-16 00:56:29

Help for Builtins

Time of First Successful Submission: 2024-11-16 00:59:20

Matching with *

Time of First Successful Submission: 2024-11-16 01:16:17

Matching with ?

Time of First Successful Submission: 2024-11-16 01:35:00

Matching with []

Time of First Successful Submission: 2024-11-16 01:38:13

Matching paths with []

Time of First Successful Submission: 2024-11-16 01:41:42

Mixing globs

Time of First Successful Submission: 2024-11-16 01:52:25

Exclusionary globbing

Time of First Successful Submission: 2024-11-16 01:58:43

Redirecting output

Time of First Successful Submission: 2024-11-16 02:14:39

Redirecting more output

Time of First Successful Submission: 2024-11-16 02:17:40

Appending output

Time of First Successful Submission: 2024-11-16 02:23:06

Redirecting errors

Time of First Successful Submission: 2024-11-16 02:32:09

Redirecting input

Time of First Successful Submission: 2024-11-16 02:36:10

Grepping stored results

Time of First Successful Submission: 2024-11-16 02:45:06

Grepping live output

Time of First Successful Submission: 2024-11-16 02:48:41

Grepping errors

Time of First Successful Submission: 2024-11-16 02:53:52

Duplicating piped data with tee

Time of First Successful Submission: 2024-11-29 15:11:35

Writing to multiple programs

Time of First Successful Submission: 2024-11-29 15:24:11

Split-piping stderr and stdout

Time of First Successful Submission: 2024-11-29 15:33:06

Printing Variables

Time of First Successful Submission: 2024-11-29 15:38:46

Setting Variables

Time of First Successful Submission: 2024-11-29 15:41:32

Multi-word Variables

Time of First Successful Submission: 2024-11-29 15:44:42

Exporting Variables

Time of First Successful Submission: 2024-11-29 15:52:21

Printing Exported Variables

Time of First Successful Submission: 2024-11-29 15:54:57

Storing Command Output

Time of First Successful Submission: 2024-11-29 16:00:02

Reading Input

Time of First Successful Submission: 2024-11-29 16:03:49

Reading Files

Time of First Successful Submission: 2024-11-29 16:13:03

Listing Processes

Time of First Successful Submission: 2024-11-29 16:40:11

Killing Processes

Time of First Successful Submission: 2024-11-29 16:45:50

Interrupting Processes

Time of First Successful Submission: 2024-11-29 16:48:09

Suspending Processes

Time of First Successful Submission: 2024-11-29 16:51:16

Resuming Processes

Time of First Successful Submission: 2024-11-29 16:51:57

Backgrounding Processes

Time of First Successful Submission: 2024-11-29 16:56:24

Foregrounding Processes

Time of First Successful Submission: 2024-11-29 16:58:12

Starting Backgrounded Processes

Time of First Successful Submission: 2024-11-29 16:59:28

Process Exit Codes

Time of First Successful Submission: 2024-11-29 17:05:52

Becoming root with su

Time of First Successful Submission: 2024-11-29 19:03:54

Other users with su

Time of First Successful Submission: 2024-11-29 19:05:07

Cracking passwords

Time of First Successful Submission: 2024-11-29 19:11:27

Using sudo

Time of First Successful Submission: 2024-11-29 19:14:18

Changing File Ownership

Time of First Successful Submission: 2024-11-29 17:18:15

Groups and Files

Time of First Successful Submission: 2024-11-29 17:29:07

Fun With Groups Names

Time of First Successful Submission: 2024-11-29 17:32:37

Changing Permissions

Time of First Successful Submission: 2024-11-29 17:57:21

Executable Files

Time of First Successful Submission: 2024-11-29 18:13:12

Permission Tweaking Practice

Time of First Successful Submission: 2024-11-29 18:27:10

Permissions Setting Practice

Time of First Successful Submission: 2024-11-29 18:36:33

The SUID Bit

Time of First Successful Submission: 2024-11-29 18:49:45

Chaining with Semicolons

Time of First Successful Submission: 2024-11-29 19:28:08

Your First Shell Script

Time of First Successful Submission: 2024-11-29 19:33:34

Redirecting Script Output

Time of First Successful Submission: 2024-11-29 19:37:13

Executable Shell Scripts

Time of First Successful Submission: 2024-11-29 19:39:00

The PATH Variable

Time of First Successful Submission: 2024-11-29 19:44:18

Setting PATH

Time of First Successful Submission: 2024-11-29 19:52:25

Adding Commands

Time of First Successful Submission: 2024-11-29 20:21:32

Hijacking Commands

Time of First Successful Submission: 2024-11-29 23:46:21


Computing 101

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Your First Register

Time of First Successful Submission: 2024-11-30 00:02:33

Your First Syscall

Time of First Successful Submission: 2024-11-30 00:19:33

Exit Codes

Time of First Successful Submission: 2024-11-30 00:24:24

Building Executables

Time of First Successful Submission: 2024-11-30 00:48:16

Moving Between Registers

Time of First Successful Submission: 2024-11-30 00:59:53

Loading From Memory

Time of First Successful Submission: 2024-12-11 03:10:21

More Loading Practice

Time of First Successful Submission: 2024-12-11 03:12:19

Dereferencing Pointers

Time of First Successful Submission: 2024-12-14 03:01:48

Dereferencing Yourself

Time of First Successful Submission: 2024-12-14 03:29:55

Dereferencing with Offsets

Time of First Successful Submission: 2024-12-14 03:42:56

Stored Addresses

Time of First Successful Submission: 2024-12-14 03:55:47

Double Dereference

Time of First Successful Submission: 2024-12-14 04:00:06

Tracing Syscalls

Time of First Successful Submission: 2024-11-30 00:53:34

Writing Output

Time of First Successful Submission: 2024-12-23 19:06:50

Chaining Syscalls

Time of First Successful Submission: 2024-12-23 19:14:15

Writing Strings

Time of First Successful Submission: 2024-12-23 19:15:57

set-register

Time of First Successful Submission: 2024-12-23 19:27:40

set-multiple-registers

Time of First Successful Submission: 2024-12-23 19:30:18

add-to-register

Time of First Successful Submission: 2024-12-23 19:36:42

linear-equation-registers

Time of First Successful Submission: 2024-12-23 19:42:29

integer-division

Time of First Successful Submission: 2024-12-23 19:49:26

modulo-operation

Time of First Successful Submission: 2024-12-23 19:52:10

set-upper-byte

Time of First Successful Submission: 2024-12-23 19:54:24

efficient-modulo

Time of First Successful Submission: 2024-12-23 20:29:02

byte-extraction

Time of First Successful Submission: 2024-12-23 22:29:18

bitwise-and

Time of First Successful Submission: 2024-12-23 22:37:49

check-even

Time of First Successful Submission: 2024-12-23 23:05:36

memory-read

Time of First Successful Submission: 2024-12-28 04:52:02

memory-write

Time of First Successful Submission: 2024-12-28 04:55:17

memory-increment

Time of First Successful Submission: 2024-12-28 05:02:32

byte-access

Time of First Successful Submission: 2024-12-28 05:08:07

memory-size-access

Time of First Successful Submission: 2024-12-28 05:11:37

little-endian-write

Time of First Successful Submission: 2024-12-28 05:53:08

memory-sum

Time of First Successful Submission: 2024-12-28 06:01:11

stack-subtraction

Time of First Successful Submission: 2024-12-31 16:42:26

swap-stack-values

Time of First Successful Submission: 2024-12-31 16:44:25

average-stack-values

Time of First Successful Submission: 2024-12-31 16:57:17

absolute-jump

Time of First Successful Submission: 2024-12-31 17:06:58

relative-jump

Time of First Successful Submission: 2024-12-31 17:23:07

jump-trampoline

Time of First Successful Submission: 2024-12-31 17:44:21

conditional-jump

Time of First Successful Submission: 2025-01-06 13:53:31

indirect-jump

Time of First Successful Submission: 2025-01-06 15:22:26

average-loop

Time of First Successful Submission: 2025-01-06 16:18:30

count-non-zero

Time of First Successful Submission: 2025-01-06 18:05:29

string-lower

Time of First Successful Submission: 2025-01-07 17:51:57


Playing With Programs

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cat

Time of First Successful Submission: 2023-09-14 16:30:33

more

Time of First Successful Submission: 2023-09-14 16:35:40

less

Time of First Successful Submission: 2023-09-14 16:36:36

tail

Time of First Successful Submission: 2023-09-14 16:38:09

head

Time of First Successful Submission: 2023-09-14 16:39:14

sort

Time of First Successful Submission: 2023-09-14 16:40:18

vim

Time of First Successful Submission: 2023-09-14 16:49:30

emacs

Time of First Successful Submission: 2023-09-14 16:50:34

nano

Time of First Successful Submission: 2023-09-14 16:51:48

rev

Time of First Successful Submission: 2023-09-14 16:54:03

od

Time of First Successful Submission: 2023-09-14 17:38:22

hd

Time of First Successful Submission: 2023-09-14 17:42:27

xxd

Time of First Successful Submission: 2023-09-14 17:46:24

base32

Time of First Successful Submission: 2023-09-14 17:48:11

base64

Time of First Successful Submission: 2023-09-14 17:49:20

split

Time of First Successful Submission: 2023-09-14 18:03:07

gzip

Time of First Successful Submission: 2023-09-14 18:07:09

bzip2

Time of First Successful Submission: 2023-09-14 18:15:30

zip

Time of First Successful Submission: 2023-09-14 18:52:52

tar

Time of First Successful Submission: 2023-09-14 19:10:20

ar

Time of First Successful Submission: 2023-09-14 19:17:09


GCA CTF

9 / 104 20146 / 42464


Using the VSCode Workspace

Time of First Successful Submission: 2024-08-09 15:06:26

Using the GUI Desktop

Time of First Successful Submission: 2024-08-09 15:13:05

Pasting into the Desktop

Time of First Successful Submission: 2024-08-09 15:15:22

Restarting Challenges

Time of First Successful Submission: 2024-08-09 15:21:17

Challenge Programs

Time of First Successful Submission: 2024-08-09 15:43:43

The Flag File

Time of First Successful Submission: 2024-08-09 15:46:44

Using Privileged Mode

Time of First Successful Submission: 2024-08-09 16:02:09

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-09 16:04:33

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-09 16:25:10