marv

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Cryptographic Exploitation

3 / 39 322 / 419


Language Barrier

Time of First Successful Submission: 2025-10-24 08:51:20

Baby Steps

Time of First Successful Submission: 2025-10-24 09:02:25

Roman Cryptography

Time of First Successful Submission: 2025-10-24 09:05:30


Intro to Programming Languages

15 / 234 8357 / 30372


Commands

Time of First Successful Submission: 2026-02-05 08:36:07

Command Arguments

Time of First Successful Submission: 2026-02-05 08:36:33

Command History

Time of First Successful Submission: 2026-02-05 08:37:03

The Root Path

Time of First Successful Submission: 2026-02-05 08:42:25

Absolute Paths

Time of First Successful Submission: 2026-02-05 08:42:56

Changing position

Time of First Successful Submission: 2026-02-05 08:43:42

Changing to an Absolute Path

Time of First Successful Submission: 2026-02-05 08:45:12

Relative Paths

Time of First Successful Submission: 2026-02-05 08:46:19

Cat

Time of First Successful Submission: 2026-02-06 13:23:27

Ls

Time of First Successful Submission: 2026-02-06 13:26:16

Ls All

Time of First Successful Submission: 2026-02-06 13:28:18

Find

Time of First Successful Submission: 2026-02-06 13:38:51

Piping Echo

Time of First Successful Submission: 2026-02-06 14:37:56

Piping Stdout

Time of First Successful Submission: 2026-02-06 14:38:32

Piping Stdin

Time of First Successful Submission: 2026-02-06 15:35:50


System Security

22 / 95 1258 / 3272


chroot-escape-basic

Time of First Successful Submission: 2026-02-28 07:51:18

chroot-shellcode

Time of First Successful Submission: 2026-02-28 07:58:30

chroot-proper

Time of First Successful Submission: 2026-02-28 08:14:05

seccomp-basic

Time of First Successful Submission: 2026-02-28 08:20:31

seccomp-linkat

Time of First Successful Submission: 2026-02-28 08:31:01

seccomp-fchdir

Time of First Successful Submission: 2026-02-28 08:34:37

seccomp-rechroot

Time of First Successful Submission: 2026-02-28 09:13:46

seccomp-only

Time of First Successful Submission: 2026-02-28 10:13:35

seccomp-arch32

Time of First Successful Submission: 2026-02-28 10:28:38

seccomp-minimal

Time of First Successful Submission: 2026-02-28 11:08:07

seccomp-timebased

Time of First Successful Submission: 2026-02-28 11:19:27

seccomp-readonly

Time of First Successful Submission: 2026-02-28 11:44:18

process-isolation

Time of First Successful Submission: 2026-02-28 11:58:25

mount-namespace

Time of First Successful Submission: 2026-02-28 13:26:00

mount-cleanup

Time of First Successful Submission: 2026-02-28 13:36:00

mount-readonly

Time of First Successful Submission: 2026-02-28 13:37:09

mount-shellcode

Time of First Successful Submission: 2026-02-28 13:40:52

mount-bindmount

Time of First Successful Submission: 2026-02-28 13:44:37

level1.0

Time of First Successful Submission: 2026-02-28 14:09:44

level1.1

Time of First Successful Submission: 2026-02-28 14:14:15

level2.0

Time of First Successful Submission: 2026-02-28 14:16:41

Baby Spectre 1

Time of First Successful Submission: 2026-01-25 18:20:07


Software Exploitation

16 / 90 645 / 2054


Level1.0

Time of First Successful Submission: 2026-02-07 08:26:34

Level1.1

Time of First Successful Submission: 2026-02-07 08:29:09

Level2.0

Time of First Successful Submission: 2026-02-07 08:33:22

Level2.1

Time of First Successful Submission: 2026-02-07 08:36:44

Level3.0

Time of First Successful Submission: 2026-02-07 09:09:48

level1

Time of First Successful Submission: 2026-02-09 11:25:02

level2

Time of First Successful Submission: 2026-02-09 11:38:46

level3

Time of First Successful Submission: 2026-02-13 17:32:12

level4

Time of First Successful Submission: 2026-02-15 16:48:42

level5

Time of First Successful Submission: 2026-02-16 08:54:58

level6

Time of First Successful Submission: 2026-02-16 09:49:21

level7

Time of First Successful Submission: 2026-02-16 12:59:04

level8

Time of First Successful Submission: 2026-02-19 14:17:58

level9

Time of First Successful Submission: 2026-02-19 14:50:20

level10

Time of First Successful Submission: 2026-02-19 15:11:46

level11

Time of First Successful Submission: 2026-02-24 18:33:51


Start Here

10 / 12 18617 / 41210


Using the Terminal

Time of First Successful Submission: 2025-10-22 16:12:19

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-06 13:10:01

Using the GUI Desktop

Time of First Successful Submission: 2026-02-06 13:11:45

Pasting into the Desktop

Time of First Successful Submission: 2026-02-06 13:13:40

Restarting Challenges

Time of First Successful Submission: 2026-02-06 13:15:30

Challenge Programs

Time of First Successful Submission: 2026-02-06 13:16:49

The Flag File

Time of First Successful Submission: 2026-02-06 13:17:50

Using Privileged Mode

Time of First Successful Submission: 2026-02-06 13:20:20

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-06 13:21:45

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-06 13:22:28


Linux Luminarium

56 / 128 12988 / 30744


Intro to Commands

Time of First Successful Submission: 2026-02-05 08:36:07

Intro to Arguments

Time of First Successful Submission: 2026-02-05 08:36:33

Command History

Time of First Successful Submission: 2026-02-05 08:37:03

The Root

Time of First Successful Submission: 2026-02-05 08:42:25

Program and absolute paths

Time of First Successful Submission: 2026-02-05 08:42:56

Position thy self

Time of First Successful Submission: 2026-02-05 08:43:42

Position elsewhere

Time of First Successful Submission: 2026-02-05 08:45:12

implicit relative paths, from /

Time of First Successful Submission: 2026-02-05 08:46:19

explicit relative paths, from /

Time of First Successful Submission: 2026-02-05 08:47:34

implicit relative path

Time of First Successful Submission: 2026-02-05 08:48:16

home sweet home

Time of First Successful Submission: 2026-02-05 08:49:02

cat: not the pet, but the command!

Time of First Successful Submission: 2026-02-06 13:23:27

catting absolute paths

Time of First Successful Submission: 2026-02-06 13:23:56

more catting practice

Time of First Successful Submission: 2026-02-06 13:24:53

grepping for a needle in a haystack

Time of First Successful Submission: 2026-02-06 13:25:48

listing files

Time of First Successful Submission: 2026-02-06 13:26:16

touching files

Time of First Successful Submission: 2026-02-06 13:26:46

removing files

Time of First Successful Submission: 2026-02-06 13:27:10

hidden files

Time of First Successful Submission: 2026-02-06 13:28:18

An Epic Filesystem Quest

Time of First Successful Submission: 2026-02-06 13:34:00

making directories

Time of First Successful Submission: 2026-02-06 13:34:50

finding files

Time of First Successful Submission: 2026-02-06 13:38:51

linking files

Time of First Successful Submission: 2026-02-06 13:42:17

Learning From Documentation

Time of First Successful Submission: 2026-02-06 13:42:51

Learning Complex Usage

Time of First Successful Submission: 2026-02-06 13:48:10

Reading Manuals

Time of First Successful Submission: 2026-02-06 13:50:25

Searching Manuals

Time of First Successful Submission: 2026-02-06 13:51:06

Searching For Manuals

Time of First Successful Submission: 2026-02-06 14:00:22

Helpful Programs

Time of First Successful Submission: 2026-02-06 14:04:56

Help for Builtins

Time of First Successful Submission: 2026-02-06 14:12:14

Matching with *

Time of First Successful Submission: 2026-02-06 14:13:51

Matching with ?

Time of First Successful Submission: 2026-02-06 14:15:01

Matching with []

Time of First Successful Submission: 2026-02-06 14:16:52

Matching paths with []

Time of First Successful Submission: 2026-02-06 14:21:05

Mixing globs

Time of First Successful Submission: 2026-02-06 14:34:52

Exclusionary globbing

Time of First Successful Submission: 2026-02-06 14:36:28

Redirecting output

Time of First Successful Submission: 2026-02-06 14:37:56

Redirecting more output

Time of First Successful Submission: 2026-02-06 14:38:32

Appending output

Time of First Successful Submission: 2026-02-06 14:47:33

Redirecting errors

Time of First Successful Submission: 2026-02-06 15:04:57

Redirecting input

Time of First Successful Submission: 2026-02-06 15:35:50

Grepping stored results

Time of First Successful Submission: 2026-02-06 15:37:12

Grepping live output

Time of First Successful Submission: 2026-02-06 15:37:55

Grepping errors

Time of First Successful Submission: 2026-02-06 15:38:41

Duplicating piped data with tee

Time of First Successful Submission: 2026-02-06 15:41:50

Writing to multiple programs

Time of First Successful Submission: 2026-02-06 15:44:28

Split-piping stderr and stdout

Time of First Successful Submission: 2026-02-06 15:47:30

Printing Variables

Time of First Successful Submission: 2026-02-06 15:48:00

Setting Variables

Time of First Successful Submission: 2026-02-06 15:48:25

Multi-word Variables

Time of First Successful Submission: 2026-02-06 15:49:06

Exporting Variables

Time of First Successful Submission: 2026-02-06 15:51:16

Printing Exported Variables

Time of First Successful Submission: 2026-02-06 15:51:55

Storing Command Output

Time of First Successful Submission: 2026-02-06 15:55:02

Reading Input

Time of First Successful Submission: 2026-02-06 17:01:22

Reading Files

Time of First Successful Submission: 2026-02-06 17:02:16

Listing Processes

Time of First Successful Submission: 2026-02-06 17:04:15


Fuzz Dojo

16 / 16 21 / 262


Consent

Time of First Successful Submission: 2026-01-19 13:26:44

Locate Harnesses

Time of First Successful Submission: 2026-01-20 13:42:00

Modify a Fuzzing Harness

Time of First Successful Submission: 2026-01-20 13:57:33

Fix Broken Fuzzing Harness

Time of First Successful Submission: 2026-01-21 08:04:57

Initial Parameters

Time of First Successful Submission: 2026-01-21 09:22:54

Improve Coverage Using the Call Tree

Time of First Successful Submission: 2026-01-21 09:47:50

Implement Seed Corpus

Time of First Successful Submission: 2026-01-21 10:49:53

Create New Fuzz Driver

Time of First Successful Submission: 2026-01-21 11:59:04

OSS-Fuzz - Build a Project

Time of First Successful Submission: 2026-01-22 10:40:54

OSS-Fuzz - Code Coverage

Time of First Successful Submission: 2026-01-22 12:57:24

OSS-Fuzz - Fuzz Introspector

Time of First Successful Submission: 2026-01-22 13:38:22

OSS-Fuzz - Add new_fuzzer

Time of First Successful Submission: 2026-01-25 11:45:16

Level 1.0 Practice

Time of First Successful Submission: 2026-01-25 18:44:03

Level 1.1 Practice

Time of First Successful Submission: 2026-01-25 19:18:04

Level 2.0 Project

Time of First Successful Submission: 2026-02-04 12:13:19

Level 2.1 Project

Time of First Successful Submission: 2026-02-04 12:49:12


GCA CTF

10 / 102 18734 / 41487


Using the Terminal

Time of First Successful Submission: 2025-10-22 16:12:19

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-06 13:10:01

Using the GUI Desktop

Time of First Successful Submission: 2026-02-06 13:11:45

Pasting into the Desktop

Time of First Successful Submission: 2026-02-06 13:13:40

Restarting Challenges

Time of First Successful Submission: 2026-02-06 13:15:30

Challenge Programs

Time of First Successful Submission: 2026-02-06 13:16:49

The Flag File

Time of First Successful Submission: 2026-02-06 13:17:50

Using Privileged Mode

Time of First Successful Submission: 2026-02-06 13:20:20

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-06 13:21:45

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-06 13:22:28