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1 / 202 21155 / 22748

Triple Dereference

Time of First Successful Submission: 2025-10-24 11:14:55

Advent of Pwn

2 / 12 281 / 541

Day 01

Time of First Successful Submission: 2025-12-02 14:59:05

Day 02

Time of First Successful Submission: 2025-12-06 13:46:12

Intro to Programming Languages

15 / 234 5484 / 29680

Commands

Time of First Successful Submission: 2025-10-21 22:11:12

Command Arguments

Time of First Successful Submission: 2025-10-21 22:11:37

Command History

Time of First Successful Submission: 2025-10-21 22:11:59

The Root Path

Time of First Successful Submission: 2025-10-21 22:20:42

Absolute Paths

Time of First Successful Submission: 2025-10-21 22:21:17

Changing position

Time of First Successful Submission: 2025-10-21 22:21:53

Changing to an Absolute Path

Time of First Successful Submission: 2025-10-21 22:22:42

Relative Paths

Time of First Successful Submission: 2025-10-21 22:24:10

Cat

Time of First Successful Submission: 2025-10-21 22:27:55

Ls

Time of First Successful Submission: 2025-10-21 22:31:05

Ls All

Time of First Successful Submission: 2025-10-21 22:32:57

Find

Time of First Successful Submission: 2025-10-21 22:41:39

Piping Echo

Time of First Successful Submission: 2025-10-21 23:03:18

Piping Stdout

Time of First Successful Submission: 2025-10-21 23:04:36

Piping Stdin

Time of First Successful Submission: 2025-10-21 23:08:50

Intro to Cybersecurity

115 / 183 1550 / 19003

Path Traversal 1

Time of First Successful Submission: 2025-10-31 11:21:21

Path Traversal 2

Time of First Successful Submission: 2025-10-31 11:26:15

CMDi 1

Time of First Successful Submission: 2025-10-31 12:01:53

CMDi 2

Time of First Successful Submission: 2025-10-31 12:03:28

CMDi 3

Time of First Successful Submission: 2025-10-31 12:06:15

CMDi 4

Time of First Successful Submission: 2025-10-31 12:07:38

CMDi 5

Time of First Successful Submission: 2025-10-31 12:09:19

CMDi 6

Time of First Successful Submission: 2025-10-31 13:51:14

Authentication Bypass 1

Time of First Successful Submission: 2025-10-31 12:30:11

Authentication Bypass 2

Time of First Successful Submission: 2025-10-31 12:32:34

SQLi 1

Time of First Successful Submission: 2025-10-31 12:40:29

SQLi 2

Time of First Successful Submission: 2025-10-31 12:47:43

SQLi 3

Time of First Successful Submission: 2025-10-31 12:54:04

SQLi 4

Time of First Successful Submission: 2025-10-31 12:56:42

SQLi 5

Time of First Successful Submission: 2025-10-31 13:29:00

XSS 1

Time of First Successful Submission: 2025-10-31 13:56:42

XSS 2

Time of First Successful Submission: 2025-10-31 14:00:22

XSS 3

Time of First Successful Submission: 2025-10-31 14:03:21

XSS 4

Time of First Successful Submission: 2025-10-31 14:04:42

XSS 5

Time of First Successful Submission: 2025-10-31 14:14:48

XSS 6

Time of First Successful Submission: 2025-10-31 14:23:25

XSS 7

Time of First Successful Submission: 2025-10-31 14:37:51

CSRF 1

Time of First Successful Submission: 2025-10-31 15:14:32

CSRF 2

Time of First Successful Submission: 2025-10-31 15:23:21

CSRF 3

Time of First Successful Submission: 2025-10-31 15:34:08

CSRF 4

Time of First Successful Submission: 2025-10-31 15:50:07

CSRF 5

Time of First Successful Submission: 2025-10-31 15:48:16

Connect

Time of First Successful Submission: 2025-11-06 19:04:58

Send

Time of First Successful Submission: 2025-11-06 19:06:05

Shutdown

Time of First Successful Submission: 2025-11-06 19:17:11

Listen

Time of First Successful Submission: 2025-11-06 19:17:55

Scan 1

Time of First Successful Submission: 2025-11-06 19:31:36

Scan 2

Time of First Successful Submission: 2026-01-25 13:22:34

Monitor 1

Time of First Successful Submission: 2026-01-25 13:37:50

Monitor 2

Time of First Successful Submission: 2026-01-25 13:43:53

Sniffing Cookies

Time of First Successful Submission: 2026-01-25 13:52:52

Network Configuration

Time of First Successful Submission: 2026-01-25 13:56:37

Firewall 1

Time of First Successful Submission: 2026-01-25 14:29:57

Firewall 2

Time of First Successful Submission: 2026-01-25 14:31:17

Firewall 3

Time of First Successful Submission: 2026-01-25 14:33:15

Denial of Service 1

Time of First Successful Submission: 2026-01-25 14:41:33

Denial of Service 2

Time of First Successful Submission: 2026-01-25 15:10:13

Ethernet

Time of First Successful Submission: 2026-01-31 23:43:13

IP

Time of First Successful Submission: 2026-02-01 00:12:53

TCP

Time of First Successful Submission: 2026-02-01 01:00:26

TCP Handshake

Time of First Successful Submission: 2026-02-01 02:35:02

UDP

Time of First Successful Submission: 2026-02-01 14:23:59

UDP 2

Time of First Successful Submission: 2026-02-01 14:30:29

UDP Spoofing 1

Time of First Successful Submission: 2026-02-01 14:40:15

UDP Spoofing 2

Time of First Successful Submission: 2026-02-01 14:44:17

UDP Spoofing 3

Time of First Successful Submission: 2026-02-01 15:11:46

UDP Spoofing 4

Time of First Successful Submission: 2026-02-01 18:56:03

ARP

Time of First Successful Submission: 2026-02-01 19:23:10

Intercept

Time of First Successful Submission: 2026-02-01 19:50:14

Man-in-the-Middle

Time of First Successful Submission: 2026-02-02 20:10:31

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-10-31 16:58:11

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-10-31 16:59:35

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-10-31 17:04:15

Reading Endianness (Python)

Time of First Successful Submission: 2025-10-31 17:06:50

Reading Endianness (C)

Time of First Successful Submission: 2025-10-31 17:07:47

Reading Endianness (x86)

Time of First Successful Submission: 2025-10-31 17:09:15

Version Information (Python)

Time of First Successful Submission: 2025-10-31 17:12:37

Version Information (C)

Time of First Successful Submission: 2025-10-31 17:13:30

Version Information (x86)

Time of First Successful Submission: 2025-10-31 17:15:09

Metadata and Data (Python)

Time of First Successful Submission: 2025-10-31 17:21:13

Metadata and Data (C)

Time of First Successful Submission: 2025-10-31 17:24:19

Metadata and Data (x86)

Time of First Successful Submission: 2025-10-31 17:27:00

Input Restrictions (Python)

Time of First Successful Submission: 2025-10-31 17:29:29

Input Restrictions (C)

Time of First Successful Submission: 2025-10-31 17:31:05

Input Restrictions (x86)

Time of First Successful Submission: 2025-10-31 17:32:50

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-10-31 17:37:05

Behold the cIMG! (C)

Time of First Successful Submission: 2025-10-31 17:39:20

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-10-31 17:41:02

A Basic cIMG (Python)

Time of First Successful Submission: 2025-10-31 18:03:49

A Basic cIMG (C)

Time of First Successful Submission: 2025-10-31 19:15:35

A Basic cIMG (x86)

Time of First Successful Submission: 2025-10-31 19:19:16

Internal State Mini (C)

Time of First Successful Submission: 2025-10-31 19:36:18

Internal State Mini (x86)

Time of First Successful Submission: 2025-10-31 19:39:33

Internal State (C)

Time of First Successful Submission: 2025-10-31 20:25:08

Internal State (x86)

Time of First Successful Submission: 2025-10-31 20:40:04

File Formats: Directives (C)

Time of First Successful Submission: 2025-10-31 20:48:39

File Formats: Directives (x86)

Time of First Successful Submission: 2025-10-31 20:55:43

The Patch Directive

Time of First Successful Submission: 2025-10-31 21:50:54

Optimizing for Space

Time of First Successful Submission: 2025-11-03 15:14:37

Tweaking Images

Time of First Successful Submission: 2025-11-03 16:15:24

Storage and Retrieval

Time of First Successful Submission: 2025-11-04 10:23:06

Extracting Knowledge

Time of First Successful Submission: 2025-11-04 10:57:56

Advanced Sprites

Time of First Successful Submission: 2025-11-04 14:21:01

Accessing Resources

Time of First Successful Submission: 2025-11-04 20:47:01

Unsafe Animations

Time of First Successful Submission: 2025-11-04 21:05:58

Animations

Time of First Successful Submission: 2025-11-04 21:32:26

Interoperability: Patching Data

Time of First Successful Submission: 2025-11-06 13:58:50

Patching Code

Time of First Successful Submission: 2025-11-06 14:24:55

Patching Control Flow

Time of First Successful Submission: 2025-11-06 14:54:13

Your First Overflow (easy)

Time of First Successful Submission: 2025-12-08 13:42:57

Your First Overflow (hard)

Time of First Successful Submission: 2025-12-08 13:49:20

Precision (easy)

Time of First Successful Submission: 2025-12-08 13:52:49

Precision (hard)

Time of First Successful Submission: 2025-12-08 14:06:19

Variable Control (easy)

Time of First Successful Submission: 2025-12-08 14:15:35

Variable Control (hard)

Time of First Successful Submission: 2025-12-08 14:18:37

Control Hijack (easy)

Time of First Successful Submission: 2025-12-08 14:49:21

Control Hijack (hard)

Time of First Successful Submission: 2025-12-08 14:56:32

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-12-08 15:21:00

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-12-08 15:24:30

PIEs (easy)

Time of First Successful Submission: 2025-12-08 15:38:44

PIEs (hard)

Time of First Successful Submission: 2025-12-08 15:43:23

String Lengths (easy)

Time of First Successful Submission: 2025-12-08 15:59:09

String Lengths (hard)

Time of First Successful Submission: 2025-12-08 16:09:06

Basic Shellcode

Time of First Successful Submission: 2025-12-08 16:42:58

NOP Sleds

Time of First Successful Submission: 2025-12-10 02:14:34

NULL-Free Shellcode

Time of First Successful Submission: 2025-12-10 02:53:46

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-12-11 16:01:02

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-12-11 16:34:00

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-12-11 17:01:49

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-12-11 17:21:12

Program Security

66 / 162 1121 / 9220

Terrible Token (Easy)

Time of First Successful Submission: 2025-11-16 18:11:47

Terrible Token (Hard)

Time of First Successful Submission: 2025-11-16 18:14:57

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-11-16 18:17:36

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-11-16 18:19:50

Bit Bender

Time of First Successful Submission: 2025-11-16 18:41:33

Substitution Sorcery

Time of First Successful Submission: 2025-11-16 19:07:17

Meager Mangler (Easy)

Time of First Successful Submission: 2025-11-17 23:49:25

Meager Mangler (Hard)

Time of First Successful Submission: 2025-11-17 23:58:53

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-11-18 00:19:45

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-11-18 00:36:30

Patched Up (Easy)

Time of First Successful Submission: 2025-11-20 20:34:20

Patched Up (Hard)

Time of First Successful Submission: 2025-11-20 20:37:04

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-11-20 20:39:59

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-11-20 20:45:45

Patch Perfect (Easy)

Time of First Successful Submission: 2025-11-20 20:53:06

Patch Perfect (Hard)

Time of First Successful Submission: 2025-11-20 21:05:11

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-11-22 14:54:24

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-11-22 15:02:08

Know the Yancode (Easy)

Time of First Successful Submission: 2025-11-26 12:04:16

Know the Yancode (Hard)

Time of First Successful Submission: 2025-11-26 12:19:00

Master the Yancode (Easy)

Time of First Successful Submission: 2025-11-26 12:29:50

Master the Yancode (Hard)

Time of First Successful Submission: 2025-11-26 12:40:48

Transcend the Yancode (Easy)

Time of First Successful Submission: 2025-11-26 12:51:55

Transcend the Yancode (Hard)

Time of First Successful Submission: 2025-11-26 12:59:27

The Yanalyzer (Easy)

Time of First Successful Submission: 2025-11-27 12:25:53

The Yanalyzer (Hard)

Time of First Successful Submission: 2025-11-27 15:19:12

The Yangler (Easy)

Time of First Successful Submission: 2025-11-28 13:16:53

The Yangler (Hard)

Time of First Successful Submission: 2025-11-28 13:35:52

Yancraft (Easy)

Time of First Successful Submission: 2025-11-28 14:18:48

Yancraft (Hard)

Time of First Successful Submission: 2025-11-28 14:57:38

Yansanity (Easy)

Time of First Successful Submission: 2025-11-28 15:58:44

Yansanity (Hard)

Time of First Successful Submission: 2025-11-28 18:42:16

When the Cow Says Moo

Time of First Successful Submission: 2025-11-18 20:07:56

Predictable Migration

Time of First Successful Submission: 2025-11-19 14:04:49

Hashing Heifers

Time of First Successful Submission: 2025-11-19 14:54:41

Salty Stampede

Time of First Successful Submission: 2025-11-19 15:55:20

Loose Link (Easy)

Time of First Successful Submission: 2025-12-16 09:12:45

Loose Link (Hard)

Time of First Successful Submission: 2025-12-16 09:15:33

Call Chain (Easy)

Time of First Successful Submission: 2025-12-16 09:22:25

Call Chain (Hard)

Time of First Successful Submission: 2025-12-16 09:26:18

Chain of Command (Easy)

Time of First Successful Submission: 2025-12-16 13:42:26

Chain of Command (Hard)

Time of First Successful Submission: 2025-12-23 06:20:07

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2025-12-25 09:39:55

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-12-25 10:01:59

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-12-27 18:04:22

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-12-27 18:09:51

Indirect Invocation (Easy)

Time of First Successful Submission: 2025-12-27 18:49:37

Indirect Invocation (Hard)

Time of First Successful Submission: 2025-12-27 18:42:24

Leaky Libc (Easy)

Time of First Successful Submission: 2026-01-06 13:30:50

Leaky Libc (Hard)

Time of First Successful Submission: 2026-01-06 13:58:05

Putsception (Easy)

Time of First Successful Submission: 2026-01-06 14:37:56

Putsception (Hard)

Time of First Successful Submission: 2026-01-06 15:02:29

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-01-08 12:44:43

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-01-08 13:40:19

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-01-08 14:04:27

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-01-08 15:43:41

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-01-08 15:55:01

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-01-08 15:58:35

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-01-10 21:39:07

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-01-10 21:53:59

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-01-11 19:23:21

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-01-11 21:42:28

ROP Roulette (Easy)

Time of First Successful Submission: 2026-01-11 23:46:27

ROP Roulette (Hard)

Time of First Successful Submission: 2026-01-11 23:49:30

Libc Lottery (Easy)

Time of First Successful Submission: 2026-01-12 14:13:36

Libc Lottery (Hard)

Time of First Successful Submission: 2026-01-12 15:55:14

Start Here

11 / 12 5433 / 40267

Using the Terminal

Time of First Successful Submission: 2025-10-21 07:40:17

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-21 07:42:05

Using the GUI Desktop

Time of First Successful Submission: 2025-10-21 07:43:33

Pasting into the Desktop

Time of First Successful Submission: 2025-10-21 07:47:30

Restarting Challenges

Time of First Successful Submission: 2025-10-21 07:49:37

Challenge Programs

Time of First Successful Submission: 2025-10-21 07:53:55

The Flag File

Time of First Successful Submission: 2025-10-21 07:55:05

Using Privileged Mode

Time of First Successful Submission: 2025-10-21 07:57:11

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-21 07:59:44

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-21 08:00:14

Linux Luminarium

128 / 128 48 / 30046

Intro to Commands

Time of First Successful Submission: 2025-10-21 22:11:12

Intro to Arguments

Time of First Successful Submission: 2025-10-21 22:11:37

Command History

Time of First Successful Submission: 2025-10-21 22:11:59

The Root

Time of First Successful Submission: 2025-10-21 22:20:42

Program and absolute paths

Time of First Successful Submission: 2025-10-21 22:21:17

Position thy self

Time of First Successful Submission: 2025-10-21 22:21:53

Position elsewhere

Time of First Successful Submission: 2025-10-21 22:22:42

implicit relative paths, from /

Time of First Successful Submission: 2025-10-21 22:24:10

explicit relative paths, from /

Time of First Successful Submission: 2025-10-21 22:24:37

implicit relative path

Time of First Successful Submission: 2025-10-21 22:25:10

home sweet home

Time of First Successful Submission: 2025-10-21 22:26:57

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-21 22:27:55

catting absolute paths

Time of First Successful Submission: 2025-10-21 22:28:18

more catting practice

Time of First Successful Submission: 2025-10-21 22:28:42

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-21 22:29:51

comparing files

Time of First Successful Submission: 2025-10-21 22:30:26

listing files

Time of First Successful Submission: 2025-10-21 22:31:05

touching files

Time of First Successful Submission: 2025-10-21 22:31:33

removing files

Time of First Successful Submission: 2025-10-21 22:31:59

moving files

Time of First Successful Submission: 2025-10-21 22:32:31

copying files

Time of First Successful Submission: 2025-11-06 15:31:45

hidden files

Time of First Successful Submission: 2025-10-21 22:32:57

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-21 22:35:40

making directories

Time of First Successful Submission: 2025-10-21 22:36:37

finding files

Time of First Successful Submission: 2025-10-21 22:41:39

linking files

Time of First Successful Submission: 2025-10-21 22:44:00

Learning From Documentation

Time of First Successful Submission: 2025-10-21 22:45:02

Learning Complex Usage

Time of First Successful Submission: 2025-10-21 22:46:08

Reading Manuals

Time of First Successful Submission: 2025-10-21 22:47:06

Searching Manuals

Time of First Successful Submission: 2025-10-21 22:48:26

Searching For Manuals

Time of First Successful Submission: 2025-10-21 22:50:27

Helpful Programs

Time of First Successful Submission: 2025-10-21 22:51:11

Help for Builtins

Time of First Successful Submission: 2025-10-21 22:52:03

Matching with *

Time of First Successful Submission: 2025-10-21 22:54:00

Matching with ?

Time of First Successful Submission: 2025-10-21 22:54:35

Matching with []

Time of First Successful Submission: 2025-10-21 22:55:44

Matching paths with []

Time of First Successful Submission: 2025-10-21 22:56:20

Multiple globs

Time of First Successful Submission: 2025-10-21 22:57:10

Mixing globs

Time of First Successful Submission: 2025-10-21 22:58:59

Exclusionary globbing

Time of First Successful Submission: 2025-10-21 22:59:51

Tab completion

Time of First Successful Submission: 2025-10-21 23:00:52

Multiple options for tab completion

Time of First Successful Submission: 2025-10-21 23:02:12

Tab completion on commands

Time of First Successful Submission: 2025-10-21 23:02:34

Redirecting output

Time of First Successful Submission: 2025-10-21 23:03:18

Redirecting more output

Time of First Successful Submission: 2025-10-21 23:04:36

Appending output

Time of First Successful Submission: 2025-10-21 23:05:32

Redirecting errors

Time of First Successful Submission: 2025-10-21 23:07:26

Redirecting input

Time of First Successful Submission: 2025-10-21 23:08:50

Grepping stored results

Time of First Successful Submission: 2025-10-21 23:11:09

Grepping live output

Time of First Successful Submission: 2025-10-21 23:11:47

Grepping errors

Time of First Successful Submission: 2025-10-21 23:13:01

Filtering with grep -v

Time of First Successful Submission: 2025-10-21 23:13:55

Filtering with sed

Time of First Successful Submission: 2025-11-06 15:33:16

Duplicating piped data with tee

Time of First Successful Submission: 2025-10-21 23:16:27

Process substitution for input

Time of First Successful Submission: 2025-10-21 23:18:16

Writing to multiple programs

Time of First Successful Submission: 2025-10-21 23:20:52

Split-piping stderr and stdout

Time of First Successful Submission: 2025-10-21 23:23:16

Named pipes

Time of First Successful Submission: 2025-10-21 23:26:08

Printing Variables

Time of First Successful Submission: 2025-10-21 23:26:52

Setting Variables

Time of First Successful Submission: 2025-10-21 23:27:22

Multi-word Variables

Time of First Successful Submission: 2025-10-21 23:27:40

Exporting Variables

Time of First Successful Submission: 2025-10-21 23:29:33

Printing Exported Variables

Time of First Successful Submission: 2025-10-21 23:29:59

Storing Command Output

Time of First Successful Submission: 2025-10-21 23:30:43

Reading Input

Time of First Successful Submission: 2025-10-21 23:31:45

Reading Files

Time of First Successful Submission: 2025-10-21 23:32:40

Translating characters

Time of First Successful Submission: 2025-10-21 23:34:34

Deleting characters

Time of First Successful Submission: 2025-10-21 23:35:05

Deleting newlines

Time of First Successful Submission: 2025-10-21 23:35:52

Extracting the first lines with head

Time of First Successful Submission: 2025-10-21 23:36:43

Extracting specific sections of text

Time of First Successful Submission: 2025-10-21 23:38:01

Sorting data

Time of First Successful Submission: 2025-10-21 23:38:51

Listing Processes

Time of First Successful Submission: 2025-10-23 08:48:56

Killing Processes

Time of First Successful Submission: 2025-10-23 08:49:52

Interrupting Processes

Time of First Successful Submission: 2025-10-23 08:50:26

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-23 08:52:13

Suspending Processes

Time of First Successful Submission: 2025-10-23 08:53:07

Resuming Processes

Time of First Successful Submission: 2025-10-23 08:55:05

Backgrounding Processes

Time of First Successful Submission: 2025-10-23 08:56:15

Foregrounding Processes

Time of First Successful Submission: 2025-10-23 08:57:59

Starting Backgrounded Processes

Time of First Successful Submission: 2025-10-23 08:58:30

Process Exit Codes

Time of First Successful Submission: 2025-10-23 08:59:15

Becoming root with su

Time of First Successful Submission: 2025-10-23 09:03:38

Other users with su

Time of First Successful Submission: 2025-10-23 09:04:10

Cracking passwords

Time of First Successful Submission: 2025-10-23 09:08:09

Using sudo

Time of First Successful Submission: 2025-10-23 09:10:43

Changing File Ownership

Time of First Successful Submission: 2025-10-23 09:16:15

Groups and Files

Time of First Successful Submission: 2025-10-23 09:19:20

Fun With Groups Names

Time of First Successful Submission: 2025-10-23 09:20:24

Changing Permissions

Time of First Successful Submission: 2025-10-23 09:23:57

Executable Files

Time of First Successful Submission: 2025-10-23 09:24:42

Permission Tweaking Practice

Time of First Successful Submission: 2025-10-23 09:29:50

Permissions Setting Practice

Time of First Successful Submission: 2025-10-23 09:32:21

The SUID Bit

Time of First Successful Submission: 2025-10-23 09:34:41

Chaining with Semicolons

Time of First Successful Submission: 2025-10-23 09:36:19

Building on Success

Time of First Successful Submission: 2025-10-23 09:36:53

Handling Failure

Time of First Successful Submission: 2025-10-23 09:37:26

Your First Shell Script

Time of First Successful Submission: 2025-10-23 09:38:03

Redirecting Script Output

Time of First Successful Submission: 2025-10-23 09:39:45

Executable Shell Scripts

Time of First Successful Submission: 2025-10-23 09:41:08

Understanding Shebangs

Time of First Successful Submission: 2025-10-23 09:44:58

Scripting with Arguments

Time of First Successful Submission: 2025-10-23 09:46:02

Scripting with Conditionals

Time of First Successful Submission: 2025-10-23 09:47:29

Scripting with Default Cases

Time of First Successful Submission: 2025-10-23 09:47:57

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-23 09:49:43

Reading Shell Scripts

Time of First Successful Submission: 2025-10-23 09:50:32

Launching Screen

Time of First Successful Submission: 2025-10-23 09:52:31

Detaching and Attaching

Time of First Successful Submission: 2025-10-23 09:53:46

Finding Sessions

Time of First Successful Submission: 2025-10-23 09:54:46

Switching Windows

Time of First Successful Submission: 2025-10-23 09:56:21

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-23 09:57:38

Switching Windows (tmux)

Time of First Successful Submission: 2025-10-23 09:58:37

The PATH Variable

Time of First Successful Submission: 2025-10-23 10:00:24

Setting PATH

Time of First Successful Submission: 2025-10-23 10:01:44

Finding Commands

Time of First Successful Submission: 2025-10-23 10:02:13

Adding Commands

Time of First Successful Submission: 2025-10-23 10:05:09

Hijacking Commands

Time of First Successful Submission: 2025-10-23 10:08:01

Bashrc Backdoor

Time of First Successful Submission: 2025-10-23 10:10:31

Sniffing Input

Time of First Successful Submission: 2025-10-23 10:15:07

Overshared Directories

Time of First Successful Submission: 2025-10-23 10:24:15

Tricky Linking

Time of First Successful Submission: 2025-10-23 10:31:25

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-23 10:36:14

Snooping on Configurations

Time of First Successful Submission: 2025-10-23 10:40:17

The Fork Bomb

Time of First Successful Submission: 2025-10-23 10:45:26

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-23 10:49:33

rm -rf /

Time of First Successful Submission: 2025-10-23 11:21:45

Life after rm -rf /

Time of First Successful Submission: 2025-10-23 11:24:53

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-23 11:28:02

Computing 101

68 / 94 1119 / 20152

Your First Register

Time of First Successful Submission: 2025-10-24 10:39:49

Your First Syscall

Time of First Successful Submission: 2025-10-24 10:40:33

Exit Codes

Time of First Successful Submission: 2025-10-24 10:40:59

Building Executables

Time of First Successful Submission: 2025-10-24 10:52:29

Moving Between Registers

Time of First Successful Submission: 2025-10-24 10:54:17

Loading From Memory

Time of First Successful Submission: 2025-10-24 11:08:24

More Loading Practice

Time of First Successful Submission: 2025-10-24 11:09:47

Dereferencing Pointers

Time of First Successful Submission: 2025-10-24 11:09:20

Dereferencing Yourself

Time of First Successful Submission: 2025-10-24 11:11:14

Dereferencing with Offsets

Time of First Successful Submission: 2025-10-24 11:11:48

Stored Addresses

Time of First Successful Submission: 2025-10-24 11:12:38

Double Dereference

Time of First Successful Submission: 2025-10-24 11:14:07

Tracing Syscalls

Time of First Successful Submission: 2025-10-21 08:59:44

Starting GDB

Time of First Successful Submission: 2025-10-24 10:36:35

Starting Programs in GDB

Time of First Successful Submission: 2025-10-24 10:37:08

Writing Output

Time of First Successful Submission: 2025-10-24 11:21:07

Chaining Syscalls

Time of First Successful Submission: 2025-10-24 11:22:15

Writing Strings

Time of First Successful Submission: 2025-10-24 11:22:45

Reading Data

Time of First Successful Submission: 2025-10-24 11:24:12

set-register

Time of First Successful Submission: 2025-10-21 09:04:18

set-multiple-registers

Time of First Successful Submission: 2025-10-24 09:50:07

add-to-register

Time of First Successful Submission: 2025-10-24 09:51:19

linear-equation-registers

Time of First Successful Submission: 2025-10-24 09:57:53

integer-division

Time of First Successful Submission: 2025-10-24 11:36:43

modulo-operation

Time of First Successful Submission: 2025-10-24 11:37:57

set-upper-byte

Time of First Successful Submission: 2025-10-24 11:39:28

efficient-modulo

Time of First Successful Submission: 2025-10-24 11:42:41

byte-extraction

Time of First Successful Submission: 2025-10-24 11:49:47

bitwise-and

Time of First Successful Submission: 2025-10-24 11:52:13

check-even

Time of First Successful Submission: 2025-10-24 11:54:57

memory-read

Time of First Successful Submission: 2025-10-24 11:56:57

memory-write

Time of First Successful Submission: 2025-10-24 11:57:35

memory-increment

Time of First Successful Submission: 2025-10-24 11:59:07

byte-access

Time of First Successful Submission: 2025-10-24 12:00:16

memory-size-access

Time of First Successful Submission: 2025-10-24 12:02:30

little-endian-write

Time of First Successful Submission: 2025-10-24 12:07:10

memory-sum

Time of First Successful Submission: 2025-10-24 12:09:29

stack-subtraction

Time of First Successful Submission: 2025-10-24 12:11:09

swap-stack-values

Time of First Successful Submission: 2025-10-24 12:13:23

average-stack-values

Time of First Successful Submission: 2025-10-24 12:16:45

absolute-jump

Time of First Successful Submission: 2025-10-24 12:18:33

relative-jump

Time of First Successful Submission: 2025-10-24 12:27:10

jump-trampoline

Time of First Successful Submission: 2025-10-24 12:28:47

conditional-jump

Time of First Successful Submission: 2025-10-24 12:37:56

indirect-jump

Time of First Successful Submission: 2025-10-24 12:44:28

average-loop

Time of First Successful Submission: 2025-10-24 13:02:48

count-non-zero

Time of First Successful Submission: 2025-10-24 13:15:24

string-lower

Time of First Successful Submission: 2025-10-25 13:03:46

most-common-byte

Time of First Successful Submission: 2025-10-25 14:02:38

Exit

Time of First Successful Submission: 2025-10-28 20:18:23

Socket

Time of First Successful Submission: 2025-10-28 20:35:36

Bind

Time of First Successful Submission: 2025-10-28 21:00:36

Listen

Time of First Successful Submission: 2025-10-30 13:15:48

Accept

Time of First Successful Submission: 2025-10-30 13:20:38

Static Response

Time of First Successful Submission: 2025-10-30 13:35:26

Dynamic Response

Time of First Successful Submission: 2025-10-30 13:59:04

Iterative GET Server

Time of First Successful Submission: 2025-10-30 14:11:24

Concurrent GET Server

Time of First Successful Submission: 2025-10-30 15:17:39

Concurrent POST Server

Time of First Successful Submission: 2025-10-30 17:48:43

Web Server

Time of First Successful Submission: 2025-10-30 18:05:48

Debugging Programs

Time of First Successful Submission: 2025-10-25 14:11:44

Inspecting Registers

Time of First Successful Submission: 2025-10-25 14:18:05

Examining Memory

Time of First Successful Submission: 2025-10-25 14:35:42

Setting Breakpoints

Time of First Successful Submission: 2025-10-25 15:00:17

GDB Scripting

Time of First Successful Submission: 2025-10-25 15:13:44

Modifying Data

Time of First Successful Submission: 2025-10-28 13:35:48

Modifying Execution

Time of First Successful Submission: 2025-10-28 13:36:46

Broken Functions

Time of First Successful Submission: 2025-10-28 19:45:33

Playing With Programs

116 / 116 474 / 22784

What's the password?

Time of First Successful Submission: 2025-10-21 08:44:24

... and again!

Time of First Successful Submission: 2025-10-24 08:08:50

Newline Troubles

Time of First Successful Submission: 2025-10-24 08:10:22

Reasoning about files

Time of First Successful Submission: 2025-10-24 08:11:39

Specifying Filenames

Time of First Successful Submission: 2025-10-24 08:13:00

Binary and Hex Encoding

Time of First Successful Submission: 2025-10-24 08:20:22

More Hex

Time of First Successful Submission: 2025-10-24 08:21:50

Decoding Hex

Time of First Successful Submission: 2025-10-24 08:28:50

Decoding Practice

Time of First Successful Submission: 2025-10-24 08:30:34

Encoding Practice

Time of First Successful Submission: 2025-10-24 08:31:43

Hex-encoding ASCII

Time of First Successful Submission: 2025-10-24 08:34:07

Nested Encoding

Time of First Successful Submission: 2025-10-24 08:36:54

Hex-encoding UTF-8

Time of First Successful Submission: 2025-10-24 08:38:47

UTF Mixups

Time of First Successful Submission: 2025-10-24 08:43:09

Modifying Encoded Data

Time of First Successful Submission: 2025-10-24 08:57:33

Decoding Base64

Time of First Successful Submission: 2025-10-24 09:05:00

Encoding Base64

Time of First Successful Submission: 2025-10-24 09:05:50

Dealing with Obfuscation

Time of First Successful Submission: 2025-10-24 09:09:45

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-10-24 09:13:47

Your First HTTP Request

Time of First Successful Submission: 2025-10-30 20:41:51

Reading Flask

Time of First Successful Submission: 2025-10-30 20:43:34

Commented Data

Time of First Successful Submission: 2025-10-30 20:49:01

HTTP Metadata

Time of First Successful Submission: 2025-10-30 20:51:29

HTTP (netcat)

Time of First Successful Submission: 2025-10-30 20:52:48

HTTP Paths (netcat)

Time of First Successful Submission: 2025-10-30 20:54:37

HTTP (curl)

Time of First Successful Submission: 2025-10-30 20:55:24

HTTP (python)

Time of First Successful Submission: 2025-10-30 20:58:06

HTTP Host Header (python)

Time of First Successful Submission: 2025-10-30 21:02:17

HTTP Host Header (curl)

Time of First Successful Submission: 2025-10-30 21:04:19

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-10-30 21:05:20

URL Encoding (netcat)

Time of First Successful Submission: 2025-10-30 21:07:07

HTTP GET Parameters

Time of First Successful Submission: 2025-10-30 21:08:40

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-10-30 21:12:34

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-10-30 21:22:17

HTTP Forms

Time of First Successful Submission: 2025-10-30 21:30:49

HTTP Forms (curl)

Time of First Successful Submission: 2025-10-30 21:42:22

HTTP Forms (netcat)

Time of First Successful Submission: 2025-10-30 21:45:52

HTTP Forms (python)

Time of First Successful Submission: 2025-10-30 21:47:53

HTTP Forms Without Forms

Time of First Successful Submission: 2025-10-30 21:51:50

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-10-30 21:53:24

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-10-30 21:56:46

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-10-30 21:59:47

HTTP Redirects (curl)

Time of First Successful Submission: 2025-10-30 22:00:56

HTTP Redirects (python)

Time of First Successful Submission: 2025-10-30 22:02:22

HTTP Cookies (curl)

Time of First Successful Submission: 2025-10-30 22:37:52

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-10-30 22:41:13

HTTP Cookies (python)

Time of First Successful Submission: 2025-10-30 22:42:30

Server State (python)

Time of First Successful Submission: 2025-10-30 22:44:16

Listening Web

Time of First Successful Submission: 2025-10-30 22:48:05

Speaking Redirects

Time of First Successful Submission: 2025-10-30 22:51:47

JavaScript Redirects

Time of First Successful Submission: 2025-10-30 22:56:26

Including JavaScript

Time of First Successful Submission: 2025-10-30 23:09:38

HTTP (javascript)

Time of First Successful Submission: 2025-10-30 23:14:43

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-10-30 23:16:14

HTTP Forms (javascript)

Time of First Successful Submission: 2025-10-30 23:21:24

cat

Time of First Successful Submission: 2025-10-21 08:55:49

more

Time of First Successful Submission: 2025-10-21 09:05:39

less

Time of First Successful Submission: 2025-10-21 09:06:11

tail

Time of First Successful Submission: 2025-10-21 09:06:37

head

Time of First Successful Submission: 2025-10-21 09:07:05

sort

Time of First Successful Submission: 2025-10-21 09:07:46

vim

Time of First Successful Submission: 2025-10-21 08:51:25

emacs

Time of First Successful Submission: 2025-10-21 09:26:34

nano

Time of First Successful Submission: 2025-10-21 09:08:18

rev

Time of First Successful Submission: 2025-10-21 09:08:48

od

Time of First Successful Submission: 2025-10-21 09:15:51

hd

Time of First Successful Submission: 2025-10-21 09:16:37

xxd

Time of First Successful Submission: 2025-10-21 09:17:14

base32

Time of First Successful Submission: 2025-10-21 08:54:32

base64

Time of First Successful Submission: 2025-10-21 08:53:31

split

Time of First Successful Submission: 2025-10-21 09:19:52

gzip

Time of First Successful Submission: 2025-10-21 09:26:11

bzip2

Time of First Successful Submission: 2025-10-21 09:27:50

zip

Time of First Successful Submission: 2025-10-21 12:12:19

tar

Time of First Successful Submission: 2025-10-21 12:26:57

ar

Time of First Successful Submission: 2025-10-21 12:34:19

cpio

Time of First Successful Submission: 2025-10-22 15:47:35

genisoimage

Time of First Successful Submission: 2025-10-28 10:29:20

env

Time of First Successful Submission: 2025-10-22 15:56:36

find

Time of First Successful Submission: 2025-10-22 16:01:06

make

Time of First Successful Submission: 2025-10-22 16:03:02

nice

Time of First Successful Submission: 2025-10-22 16:13:41

timeout

Time of First Successful Submission: 2025-10-22 16:14:33

stdbuf

Time of First Successful Submission: 2025-10-22 16:15:20

setarch

Time of First Successful Submission: 2025-10-22 16:17:08

watch

Time of First Successful Submission: 2025-10-22 16:18:13

socat

Time of First Successful Submission: 2025-10-22 16:21:55

whiptail

Time of First Successful Submission: 2025-10-22 16:25:55

awk

Time of First Successful Submission: 2025-10-22 16:35:59

sed

Time of First Successful Submission: 2025-10-22 16:39:04

ed

Time of First Successful Submission: 2025-10-22 20:08:16

chown

Time of First Successful Submission: 2025-10-22 20:14:27

chmod

Time of First Successful Submission: 2025-10-22 20:15:10

cp

Time of First Successful Submission: 2025-10-22 20:21:04

mv

Time of First Successful Submission: 2025-10-28 09:11:58

perl

Time of First Successful Submission: 2025-10-23 14:32:09

python

Time of First Successful Submission: 2025-10-23 14:33:51

ruby

Time of First Successful Submission: 2025-10-23 14:35:27

bash

Time of First Successful Submission: 2025-10-28 09:15:09

date

Time of First Successful Submission: 2025-10-23 14:14:41

dmesg

Time of First Successful Submission: 2025-10-23 14:19:22

wc

Time of First Successful Submission: 2025-10-23 14:17:56

gcc

Time of First Successful Submission: 2025-10-23 13:16:11

as

Time of First Successful Submission: 2025-10-23 13:26:55

wget

Time of First Successful Submission: 2025-10-23 13:56:53

ssh-keygen

Time of First Successful Submission: 2025-10-28 09:59:19

SQL Queries

Time of First Successful Submission: 2025-10-31 10:55:58

Filtering SQL

Time of First Successful Submission: 2025-10-31 10:58:05

Choosing Columns

Time of First Successful Submission: 2025-10-31 10:59:46

Exclusionary Filtering

Time of First Successful Submission: 2025-10-31 11:00:41

Filtering Strings

Time of First Successful Submission: 2025-10-31 11:02:15

Filtering on Expressions

Time of First Successful Submission: 2025-10-31 11:03:32

SELECTing Expressions

Time of First Successful Submission: 2025-10-31 11:09:24

Composite Conditions

Time of First Successful Submission: 2025-10-31 11:11:37

Reaching Your LIMITs

Time of First Successful Submission: 2025-10-31 11:12:58

Querying Metadata

Time of First Successful Submission: 2025-10-31 11:16:00

GCA CTF

11 / 104 5555 / 40496

Using the Terminal

Time of First Successful Submission: 2025-10-21 07:40:17

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-21 07:42:05

Using the GUI Desktop

Time of First Successful Submission: 2025-10-21 07:43:33

Pasting into the Desktop

Time of First Successful Submission: 2025-10-21 07:47:30

Restarting Challenges

Time of First Successful Submission: 2025-10-21 07:49:37

Getting Help

Time of First Successful Submission: 2025-10-21 07:52:54

Challenge Programs

Time of First Successful Submission: 2025-10-21 07:53:55

The Flag File

Time of First Successful Submission: 2025-10-21 07:55:05

Using Privileged Mode

Time of First Successful Submission: 2025-10-21 07:57:11

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-21 07:59:44

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-21 08:00:14

Hunter Dojo

4 / 4 37 / 94

Level 1

Time of First Successful Submission: 2026-02-11 10:06:47

Level 2

Time of First Successful Submission: 2026-02-11 10:25:30

Level 3

Time of First Successful Submission: 2026-02-17 21:29:53

Level 4

Time of First Successful Submission: 2026-02-16 21:26:23