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Triple Dereference

Time of First Successful Submission: 2024-11-29 22:19:30

ACSAC CTFs

1 / 21 66 / 255

Waʻa

Time of First Successful Submission: 2025-01-05 05:20:58

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2024-11-26 23:10:30

Command Arguments

Time of First Successful Submission: 2024-11-26 23:11:34

The Root Path

Time of First Successful Submission: 2024-11-26 23:14:03

Absolute Paths

Time of First Successful Submission: 2024-11-26 23:15:21

Changing position

Time of First Successful Submission: 2024-11-26 23:16:17

Changing to an Absolute Path

Time of First Successful Submission: 2024-11-26 23:17:13

Relative Paths

Time of First Successful Submission: 2024-11-26 23:18:48

Cat

Time of First Successful Submission: 2024-11-27 20:43:19

Ls

Time of First Successful Submission: 2024-11-27 21:05:10

Ls All

Time of First Successful Submission: 2024-11-27 21:08:01

Find

Time of First Successful Submission: 2024-11-27 21:23:39

Piping Echo

Time of First Successful Submission: 2024-11-29 02:21:58

Piping Stdout

Time of First Successful Submission: 2024-11-29 02:23:14

Piping Stdin

Time of First Successful Submission: 2024-11-29 02:44:36

Start Here

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Using the VSCode Workspace

Time of First Successful Submission: 2024-11-26 22:51:54

Using the GUI Desktop

Time of First Successful Submission: 2024-11-26 22:53:10

Pasting into the Desktop

Time of First Successful Submission: 2024-11-26 22:54:33

Restarting Challenges

Time of First Successful Submission: 2024-11-26 22:56:30

Challenge Programs

Time of First Successful Submission: 2024-11-26 23:00:34

The Flag File

Time of First Successful Submission: 2024-11-26 23:01:37

Using Privileged Mode

Time of First Successful Submission: 2024-11-26 23:04:36

Persistent Home Directories - One

Time of First Successful Submission: 2024-11-26 23:06:05

Persistent Home Directories - Two

Time of First Successful Submission: 2024-11-26 23:09:07

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2024-11-26 23:10:30

Intro to Arguments

Time of First Successful Submission: 2024-11-26 23:11:34

The Root

Time of First Successful Submission: 2024-11-26 23:14:03

Program and absolute paths

Time of First Successful Submission: 2024-11-26 23:15:21

Position thy self

Time of First Successful Submission: 2024-11-26 23:16:17

Position elsewhere

Time of First Successful Submission: 2024-11-26 23:17:13

implicit relative paths, from /

Time of First Successful Submission: 2024-11-26 23:18:48

explicit relative paths, from /

Time of First Successful Submission: 2024-11-26 23:19:40

implicit relative path

Time of First Successful Submission: 2024-11-26 23:20:39

home sweet home

Time of First Successful Submission: 2024-11-26 23:23:18

cat: not the pet, but the command!

Time of First Successful Submission: 2024-11-27 20:43:19

catting absolute paths

Time of First Successful Submission: 2024-11-27 20:44:13

more catting practice

Time of First Successful Submission: 2024-11-27 21:03:21

grepping for a needle in a haystack

Time of First Successful Submission: 2024-11-27 21:04:27

listing files

Time of First Successful Submission: 2024-11-27 21:05:10

touching files

Time of First Successful Submission: 2024-11-27 21:05:53

removing files

Time of First Successful Submission: 2024-11-27 21:06:39

hidden files

Time of First Successful Submission: 2024-11-27 21:08:01

An Epic Filesystem Quest

Time of First Successful Submission: 2024-11-27 21:19:54

making directories

Time of First Successful Submission: 2024-11-27 21:20:52

finding files

Time of First Successful Submission: 2024-11-27 21:23:39

linking files

Time of First Successful Submission: 2024-11-27 21:25:16

Learning From Documentation

Time of First Successful Submission: 2024-11-27 23:12:26

Learning Complex Usage

Time of First Successful Submission: 2024-11-27 23:13:11

Reading Manuals

Time of First Successful Submission: 2024-11-27 23:21:12

Searching Manuals

Time of First Successful Submission: 2024-11-27 23:27:43

Searching For Manuals

Time of First Successful Submission: 2024-11-28 00:43:12

Helpful Programs

Time of First Successful Submission: 2024-11-28 00:46:40

Help for Builtins

Time of First Successful Submission: 2024-11-28 00:49:36

Matching with *

Time of First Successful Submission: 2024-11-29 01:18:01

Matching with ?

Time of First Successful Submission: 2024-11-29 01:18:38

Matching with []

Time of First Successful Submission: 2024-11-29 01:20:45

Matching paths with []

Time of First Successful Submission: 2024-11-29 01:22:42

Mixing globs

Time of First Successful Submission: 2024-11-29 01:53:30

Exclusionary globbing

Time of First Successful Submission: 2024-11-29 01:56:34

Redirecting output

Time of First Successful Submission: 2024-11-29 02:21:58

Redirecting more output

Time of First Successful Submission: 2024-11-29 02:23:14

Appending output

Time of First Successful Submission: 2024-11-29 02:24:53

Redirecting errors

Time of First Successful Submission: 2024-11-29 02:43:20

Redirecting input

Time of First Successful Submission: 2024-11-29 02:44:36

Grepping stored results

Time of First Successful Submission: 2024-11-29 02:47:00

Grepping live output

Time of First Successful Submission: 2024-11-29 02:50:43

Grepping errors

Time of First Successful Submission: 2024-11-29 02:52:24

Duplicating piped data with tee

Time of First Successful Submission: 2024-11-29 03:01:24

Writing to multiple programs

Time of First Successful Submission: 2024-11-29 03:07:56

Split-piping stderr and stdout

Time of First Successful Submission: 2024-11-29 03:10:43

Printing Variables

Time of First Successful Submission: 2024-11-29 14:36:37

Setting Variables

Time of First Successful Submission: 2024-11-29 14:38:25

Multi-word Variables

Time of First Successful Submission: 2024-11-29 14:39:00

Exporting Variables

Time of First Successful Submission: 2024-11-29 14:43:44

Printing Exported Variables

Time of First Successful Submission: 2024-11-29 14:44:55

Storing Command Output

Time of First Successful Submission: 2024-11-29 15:03:35

Reading Input

Time of First Successful Submission: 2024-11-29 15:19:34

Reading Files

Time of First Successful Submission: 2024-11-29 15:21:43

Listing Processes

Time of First Successful Submission: 2024-11-29 15:23:51

Killing Processes

Time of First Successful Submission: 2024-11-29 15:24:46

Interrupting Processes

Time of First Successful Submission: 2024-11-29 15:25:11

Suspending Processes

Time of First Successful Submission: 2024-11-29 15:25:46

Resuming Processes

Time of First Successful Submission: 2024-11-29 15:26:23

Backgrounding Processes

Time of First Successful Submission: 2024-11-29 15:30:12

Foregrounding Processes

Time of First Successful Submission: 2024-11-29 15:31:10

Starting Backgrounded Processes

Time of First Successful Submission: 2024-11-29 15:32:09

Process Exit Codes

Time of First Successful Submission: 2024-11-29 15:33:23

Becoming root with su

Time of First Successful Submission: 2024-11-29 19:57:34

Other users with su

Time of First Successful Submission: 2024-11-29 20:05:23

Cracking passwords

Time of First Successful Submission: 2024-11-29 20:10:57

Using sudo

Time of First Successful Submission: 2024-11-29 20:14:40

Changing File Ownership

Time of First Successful Submission: 2024-11-29 15:34:20

Groups and Files

Time of First Successful Submission: 2024-11-29 15:34:46

Fun With Groups Names

Time of First Successful Submission: 2024-11-29 15:35:36

Changing Permissions

Time of First Successful Submission: 2024-11-29 15:36:13

Executable Files

Time of First Successful Submission: 2024-11-29 15:36:38

Permission Tweaking Practice

Time of First Successful Submission: 2024-11-29 19:45:35

Permissions Setting Practice

Time of First Successful Submission: 2024-11-29 19:55:08

The SUID Bit

Time of First Successful Submission: 2024-11-29 15:41:34

Chaining with Semicolons

Time of First Successful Submission: 2024-11-29 20:16:22

Your First Shell Script

Time of First Successful Submission: 2024-11-29 20:22:05

Redirecting Script Output

Time of First Successful Submission: 2024-11-29 20:24:22

Executable Shell Scripts

Time of First Successful Submission: 2024-11-29 20:26:51

The PATH Variable

Time of First Successful Submission: 2024-11-29 20:30:08

Setting PATH

Time of First Successful Submission: 2024-11-29 20:33:40

Adding Commands

Time of First Successful Submission: 2024-11-29 20:48:05

Hijacking Commands

Time of First Successful Submission: 2024-11-29 20:55:19

Computing 101

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Your First Register

Time of First Successful Submission: 2024-11-29 21:17:07

Your First Syscall

Time of First Successful Submission: 2024-11-29 21:18:06

Exit Codes

Time of First Successful Submission: 2024-11-29 21:18:50

Building Executables

Time of First Successful Submission: 2024-11-29 21:20:54

Moving Between Registers

Time of First Successful Submission: 2024-11-29 21:29:35

Loading From Memory

Time of First Successful Submission: 2024-11-29 21:50:06

More Loading Practice

Time of First Successful Submission: 2024-11-29 21:50:58

Dereferencing Pointers

Time of First Successful Submission: 2024-11-29 21:59:47

Dereferencing Yourself

Time of First Successful Submission: 2024-11-29 22:05:48

Dereferencing with Offsets

Time of First Successful Submission: 2024-11-29 22:09:50

Stored Addresses

Time of First Successful Submission: 2024-11-29 22:11:15

Double Dereference

Time of First Successful Submission: 2024-11-29 22:17:33

Tracing Syscalls

Time of First Successful Submission: 2024-11-29 21:23:13

Writing Output

Time of First Successful Submission: 2024-11-29 22:25:49

Chaining Syscalls

Time of First Successful Submission: 2024-11-29 22:27:42

Writing Strings

Time of First Successful Submission: 2024-11-29 22:28:31

set-register

Time of First Successful Submission: 2024-11-30 01:35:34

set-multiple-registers

Time of First Successful Submission: 2024-11-30 01:36:59

add-to-register

Time of First Successful Submission: 2024-11-30 01:39:16

linear-equation-registers

Time of First Successful Submission: 2024-11-30 01:41:37

integer-division

Time of First Successful Submission: 2024-11-30 01:52:12

modulo-operation

Time of First Successful Submission: 2024-11-30 01:53:45

set-upper-byte

Time of First Successful Submission: 2024-11-30 01:55:10

efficient-modulo

Time of First Successful Submission: 2024-11-30 02:02:43

byte-extraction

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

bitwise-and

Time of First Successful Submission: 2024-11-30 02:14:20

check-even

Time of First Successful Submission: 2024-11-30 02:24:14

memory-read

Time of First Successful Submission: 2024-11-30 02:25:20

memory-write

Time of First Successful Submission: 2024-11-30 02:25:46

memory-increment

Time of First Successful Submission: 2024-11-30 02:29:35

byte-access

Time of First Successful Submission: 2024-11-30 02:30:59

memory-size-access

Time of First Successful Submission: 2024-11-30 02:32:17

little-endian-write

Time of First Successful Submission: 2024-11-30 02:34:47

memory-sum

Time of First Successful Submission: 2024-11-30 02:39:05

stack-subtraction

Time of First Successful Submission: 2024-11-30 02:40:07

swap-stack-values

Time of First Successful Submission: 2024-11-30 02:41:04

average-stack-values

Time of First Successful Submission: 2024-11-30 02:43:37

absolute-jump

Time of First Successful Submission: 2024-11-30 02:45:33

relative-jump

Time of First Successful Submission: 2024-11-30 02:54:09

jump-trampoline

Time of First Successful Submission: 2024-11-30 03:00:58

conditional-jump

Time of First Successful Submission: 2024-11-30 14:52:36

indirect-jump

Time of First Successful Submission: 2024-11-30 15:09:22

average-loop

Time of First Successful Submission: 2024-11-30 15:27:02

count-non-zero

Time of First Successful Submission: 2024-11-30 15:36:41

string-lower

Time of First Successful Submission: 2024-11-30 16:33:25

most-common-byte

Time of First Successful Submission: 2024-11-30 22:36:55

Exit

Time of First Successful Submission: 2024-12-01 03:37:07

Socket

Time of First Successful Submission: 2024-12-01 03:42:35

Debugging Programs

Time of First Successful Submission: 2024-12-01 02:59:53

Inspecting Registers

Time of First Successful Submission: 2024-12-01 03:01:28

Examining Memory

Time of First Successful Submission: 2024-12-01 03:14:31

Setting Breakpoints

Time of First Successful Submission: 2024-12-01 03:29:17

GCA CTF

10 / 104 12908 / 45032

Using the VSCode Workspace

Time of First Successful Submission: 2024-11-26 22:51:54

Using the GUI Desktop

Time of First Successful Submission: 2024-11-26 22:53:10

Pasting into the Desktop

Time of First Successful Submission: 2024-11-26 22:54:33

Restarting Challenges

Time of First Successful Submission: 2024-11-26 22:56:30

Getting Help

Time of First Successful Submission: 2024-11-26 22:58:57

Challenge Programs

Time of First Successful Submission: 2024-11-26 23:00:34

The Flag File

Time of First Successful Submission: 2024-11-26 23:01:37

Using Privileged Mode

Time of First Successful Submission: 2024-11-26 23:04:36

Persistent Home Directories - One

Time of First Successful Submission: 2024-11-26 23:06:05

Persistent Home Directories - Two

Time of First Successful Submission: 2024-11-26 23:09:07