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pwn.college Archives

66 / 202 2084 / 22862


level1

Time of First Successful Submission: 2025-08-15 17:52:55

level2

Time of First Successful Submission: 2025-08-15 17:53:52

level3

Time of First Successful Submission: 2025-08-15 17:55:18

level4

Time of First Successful Submission: 2025-08-15 17:58:28

level5

Time of First Successful Submission: 2025-08-15 18:00:14

level6

Time of First Successful Submission: 2025-08-15 18:01:10

level7

Time of First Successful Submission: 2025-08-15 18:01:58

level8

Time of First Successful Submission: 2025-08-15 18:02:39

level9

Time of First Successful Submission: 2025-08-15 18:03:17

level10

Time of First Successful Submission: 2025-08-15 18:04:46

level11

Time of First Successful Submission: 2025-08-15 18:06:20

level12

Time of First Successful Submission: 2025-08-15 18:07:40

level13

Time of First Successful Submission: 2025-08-15 18:08:36

level14

Time of First Successful Submission: 2025-08-15 18:09:31

level15

Time of First Successful Submission: 2025-08-15 18:11:38

level16

Time of First Successful Submission: 2025-08-15 18:12:44

level17

Time of First Successful Submission: 2025-08-15 18:14:18

level18

Time of First Successful Submission: 2025-08-15 18:20:47

level19

Time of First Successful Submission: 2025-08-15 18:28:45

level20

Time of First Successful Submission: 2025-08-15 20:26:52

level21

Time of First Successful Submission: 2025-08-16 08:49:58

level22

Time of First Successful Submission: 2025-08-16 08:51:42

level23

Time of First Successful Submission: 2025-08-16 08:52:41

level24

Time of First Successful Submission: 2025-08-16 08:53:35

level25

Time of First Successful Submission: 2025-08-16 08:54:10

level26

Time of First Successful Submission: 2025-08-16 08:57:17

level28

Time of First Successful Submission: 2025-08-16 09:06:22

level29

Time of First Successful Submission: 2025-08-16 09:25:44

level30

Time of First Successful Submission: 2025-08-16 09:34:54

level31

Time of First Successful Submission: 2025-08-16 09:36:19

level32

Time of First Successful Submission: 2025-08-16 09:38:05

level33

Time of First Successful Submission: 2025-08-16 09:40:09

level34

Time of First Successful Submission: 2025-08-16 09:41:34

level35

Time of First Successful Submission: 2025-08-16 09:42:12

level36

Time of First Successful Submission: 2025-08-16 09:46:45

level37

Time of First Successful Submission: 2025-08-16 09:48:40

level38

Time of First Successful Submission: 2025-08-17 18:04:38

level39

Time of First Successful Submission: 2025-08-17 18:00:53

HTTP (curl)

Time of First Successful Submission: 2024-08-18 16:02:15

HTTP (python)

Time of First Successful Submission: 2024-08-18 16:30:46

URL Encoding (curl)

Time of First Successful Submission: 2024-08-18 17:01:34

URL Encoding (python)

Time of First Successful Submission: 2024-08-18 17:03:00

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-08-18 17:19:43

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-08-18 17:21:24

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-08-18 17:29:21

Multiple Form Fields (python)

Time of First Successful Submission: 2024-08-18 18:32:07

HTTP JSON (curl)

Time of First Successful Submission: 2024-08-18 18:43:48

HTTP JSON (netcat)

Time of First Successful Submission: 2024-08-18 18:49:13

HTTP JSON (python)

Time of First Successful Submission: 2024-08-18 18:50:30

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-08-18 18:59:55

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-08-18 19:06:51

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-08-18 19:09:19

Server State (curl)

Time of First Successful Submission: 2024-08-20 18:24:47

Server State (netcat)

Time of First Successful Submission: 2024-08-20 18:26:47

Silenced Shellcode

Time of First Successful Submission: 2025-07-31 21:33:21

Shellcode Shuffle

Time of First Successful Submission: 2025-08-01 08:07:05

Shellcode Shuffle II

Time of First Successful Submission: 2025-08-01 08:08:09

Mmap Mirage (Easy)

Time of First Successful Submission: 2025-08-02 13:11:58

Mmap Mirage (Hard)

Time of First Successful Submission: 2025-08-02 13:20:26

Twisted Text (Easy)

Time of First Successful Submission: 2025-08-01 10:38:30

Twisted Text (Hard)

Time of First Successful Submission: 2025-08-01 10:42:41

Tidy Task (Easy)

Time of First Successful Submission: 2025-08-01 10:45:45

Tidy Task (Hard)

Time of First Successful Submission: 2025-08-01 10:46:54

Logical License (Easy)

Time of First Successful Submission: 2025-08-01 10:56:34

Logical License (Hard)

Time of First Successful Submission: 2025-08-01 10:58:56

Triple Dereference

Time of First Successful Submission: 2025-07-03 17:00:06


ARM Architecture

4 / 28 574 / 716


Level1

Time of First Successful Submission: 2025-09-07 17:11:50

Level2

Time of First Successful Submission: 2025-09-07 17:17:35

Level3

Time of First Successful Submission: 2025-09-07 17:19:08

Level4

Time of First Successful Submission: 2025-09-07 17:21:17


Intro to Programming Languages

62 / 234 566 / 33389


Lecture 1.1. Course Environment

Time of First Successful Submission: 2025-09-03 18:25:27

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2025-09-03 18:25:57

Lecture 1.2. Linux Shells

Time of First Successful Submission: 2025-09-03 18:28:56

Lecture 1.3. Linux File System

Time of First Successful Submission: 2025-09-03 18:36:55

Lecture 1.4. Executing Programs

Time of First Successful Submission: 2025-09-03 18:41:25

Lecture 1.5. Common Commands

Time of First Successful Submission: 2025-09-03 19:02:09

Lab 1.5.2 - Using ls and cd

Time of First Successful Submission: 2025-09-03 19:07:53

Lab 1.5.3 - Using grep

Time of First Successful Submission: 2025-09-03 19:09:54

Lecture 1.6. Redirection of I/O

Time of First Successful Submission: 2025-09-03 19:13:45

Lab 1.6 - Using grep and pipe

Time of First Successful Submission: 2025-09-03 19:16:41

Lecture 1.7. Regular Expressions

Time of First Successful Submission: 2025-09-03 19:22:28

Lecture 1.8. Misc Linux

Time of First Successful Submission: 2025-09-03 19:27:14

Lecture 1.9. Testing Code on pwn.college

Time of First Successful Submission: 2025-09-03 19:30:23

Lab 1.9 - Test some If Statements

Time of First Successful Submission: 2025-09-03 19:51:46

P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2025-09-03 19:53:11

Commands

Time of First Successful Submission: 2024-08-16 09:29:43

Command Arguments

Time of First Successful Submission: 2024-08-16 09:30:53

Command History

Time of First Successful Submission: 2025-07-02 12:16:22

The Root Path

Time of First Successful Submission: 2024-08-16 09:32:56

Absolute Paths

Time of First Successful Submission: 2024-08-16 09:33:43

Changing position

Time of First Successful Submission: 2024-08-16 09:44:41

Changing to an Absolute Path

Time of First Successful Submission: 2024-08-16 09:45:35

Relative Paths

Time of First Successful Submission: 2024-08-16 09:51:48

P1.0 Level 5 read

Time of First Successful Submission: 2025-09-03 20:07:08

Cat

Time of First Successful Submission: 2024-08-16 10:01:09

Ls

Time of First Successful Submission: 2024-08-16 10:06:06

Ls All

Time of First Successful Submission: 2024-08-16 10:09:05

P1.0 Level 2 list dir

Time of First Successful Submission: 2025-09-03 19:56:06

Find

Time of First Successful Submission: 2024-08-16 10:25:50

P1.0 Level 3 change dir

Time of First Successful Submission: 2025-09-03 20:01:23

P1.0 Level 4 move

Time of First Successful Submission: 2025-09-03 20:06:02

P1.0 Level 6 grep

Time of First Successful Submission: 2025-09-03 20:07:50

P1.0 Level 7 execute

Time of First Successful Submission: 2025-09-03 20:08:23

Piping Echo

Time of First Successful Submission: 2024-08-16 11:24:09

Piping Stdout

Time of First Successful Submission: 2024-08-16 11:25:55

Piping Stdin

Time of First Successful Submission: 2024-08-16 11:52:01

P1.0 Level 8 stdin

Time of First Successful Submission: 2025-09-03 20:09:14

P1.0 Level 9 pipe

Time of First Successful Submission: 2025-09-03 20:10:03

P1.0 Level 10 args

Time of First Successful Submission: 2025-09-03 20:10:42

P1.0 Level 11 gccpipe

Time of First Successful Submission: 2025-09-03 20:13:02

P1.0 Level 12 speedy

Time of First Successful Submission: 2025-09-03 20:15:51

P1.0 Level 13 testing

Time of First Successful Submission: 2025-09-03 20:20:36

P1.0 Level 14 ifs test

Time of First Successful Submission: 2025-09-03 20:23:49

Lecture 2.1.1.0 Paradigms and C

Time of First Successful Submission: 2025-09-08 17:16:31

Lecture 2.1.2. First C Program and Vars

Time of First Successful Submission: 2025-09-08 17:19:46

Lecture 2.1.2.1. Standard Output

Time of First Successful Submission: 2025-09-08 17:22:19

Lecture 2.1.2.2. Standard In

Time of First Successful Submission: 2025-09-08 17:26:05

Lab 2.1.2.1 - C Input

Time of First Successful Submission: 2025-09-08 18:25:44

Lecture 2.1.2.3. Flow Control & Command Line Arguments

Time of First Successful Submission: 2025-09-08 18:30:06

EzLab 2.1.2.3 - Control Flow

Time of First Successful Submission: 2025-09-08 18:32:04

Lecture 2.1.3.0 Dec & Def Functions

Time of First Successful Submission: 2025-09-08 18:35:56

Lecture 2.1.3.1. Globals & Locals

Time of First Successful Submission: 2025-09-08 18:44:26

Lecture 2.1.3.2. Function Params and Ret Vals

Time of First Successful Submission: 2025-09-08 18:46:29

EzLab 2.1.3.2 Pass by Value

Time of First Successful Submission: 2025-09-08 18:49:34

Lab 2.1.3.1 - Functions

Time of First Successful Submission: 2025-09-08 19:04:43

Lecture 2.1.4. Global and Local Memory

Time of First Successful Submission: 2025-09-08 19:10:47

Lecture 2.1.4.1. Function Frames

Time of First Successful Submission: 2025-09-08 19:13:55

Lecture 2.1.5. Debugging C Programs

Time of First Successful Submission: 2025-09-08 19:33:10

Lab 2.1.5.1 - Using VSCode Debugger

Time of First Successful Submission: 2025-09-08 19:50:22

P2.1 Level 01 C Force

Time of First Successful Submission: 2025-09-08 19:52:04

P2.1 Level 02 C Args

Time of First Successful Submission: 2025-09-08 19:53:17

P2.1 Level 03 scanf

Time of First Successful Submission: 2025-09-08 20:02:24


XNU Dojo

4 / 61 583 / 736


Level1

Time of First Successful Submission: 2025-09-07 17:11:50

Level2

Time of First Successful Submission: 2025-09-07 17:17:35

Level3

Time of First Successful Submission: 2025-09-07 17:19:08

Level4

Time of First Successful Submission: 2025-09-07 17:21:17


Intro to Cybersecurity

178 / 183 266 / 20654


Path Traversal 1

Time of First Successful Submission: 2025-07-11 09:59:19

Path Traversal 2

Time of First Successful Submission: 2025-07-11 10:40:25

CMDi 1

Time of First Successful Submission: 2025-07-11 10:58:50

CMDi 2

Time of First Successful Submission: 2025-07-11 11:01:56

CMDi 3

Time of First Successful Submission: 2025-07-11 11:15:02

CMDi 4

Time of First Successful Submission: 2025-07-11 11:16:35

CMDi 5

Time of First Successful Submission: 2025-07-11 11:22:33

CMDi 6

Time of First Successful Submission: 2025-07-11 12:33:09

Authentication Bypass 1

Time of First Successful Submission: 2025-07-11 13:06:29

Authentication Bypass 2

Time of First Successful Submission: 2025-07-11 13:08:48

SQLi 1

Time of First Successful Submission: 2025-07-11 13:50:55

SQLi 2

Time of First Successful Submission: 2025-07-11 13:56:07

SQLi 3

Time of First Successful Submission: 2025-07-11 14:10:41

SQLi 4

Time of First Successful Submission: 2025-07-11 14:40:18

SQLi 5

Time of First Successful Submission: 2025-07-11 15:11:47

XSS 1

Time of First Successful Submission: 2025-07-11 15:16:27

XSS 2

Time of First Successful Submission: 2025-07-11 15:22:08

XSS 3

Time of First Successful Submission: 2025-07-11 15:23:56

XSS 4

Time of First Successful Submission: 2025-07-11 15:25:29

XSS 5

Time of First Successful Submission: 2025-07-11 15:34:18

XSS 6

Time of First Successful Submission: 2025-07-11 17:10:08

XSS 7

Time of First Successful Submission: 2025-07-11 17:31:09

CSRF 1

Time of First Successful Submission: 2025-07-11 18:31:04

CSRF 2

Time of First Successful Submission: 2025-07-11 18:30:23

CSRF 3

Time of First Successful Submission: 2025-07-11 18:58:41

CSRF 4

Time of First Successful Submission: 2025-07-11 19:42:17

CSRF 5

Time of First Successful Submission: 2025-07-11 20:06:29

Connect

Time of First Successful Submission: 2025-07-11 21:45:00

Send

Time of First Successful Submission: 2025-07-11 21:52:51

Shutdown

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

Listen

Time of First Successful Submission: 2025-07-11 21:58:31

Scan 1

Time of First Successful Submission: 2025-07-11 22:02:51

Scan 2

Time of First Successful Submission: 2025-07-11 22:15:13

Monitor 1

Time of First Successful Submission: 2025-07-11 22:18:07

Monitor 2

Time of First Successful Submission: 2025-07-11 22:27:16

Sniffing Cookies

Time of First Successful Submission: 2025-07-12 08:43:50

Network Configuration

Time of First Successful Submission: 2025-07-12 08:55:22

Firewall 1

Time of First Successful Submission: 2025-07-12 09:05:40

Firewall 2

Time of First Successful Submission: 2025-07-12 09:12:53

Firewall 3

Time of First Successful Submission: 2025-07-12 09:15:26

Denial of Service 1

Time of First Successful Submission: 2025-07-12 09:41:38

Denial of Service 2

Time of First Successful Submission: 2025-07-12 09:45:29

Denial of Service 3

Time of First Successful Submission: 2025-07-12 10:58:03

Ethernet

Time of First Successful Submission: 2025-07-12 11:01:44

IP

Time of First Successful Submission: 2025-07-12 11:06:29

TCP

Time of First Successful Submission: 2025-07-12 11:10:07

TCP Handshake

Time of First Successful Submission: 2025-07-12 11:25:58

UDP

Time of First Successful Submission: 2025-07-12 11:33:14

UDP 2

Time of First Successful Submission: 2025-07-12 11:35:11

UDP Spoofing 1

Time of First Successful Submission: 2025-07-12 11:39:37

UDP Spoofing 2

Time of First Successful Submission: 2025-07-12 11:43:02

UDP Spoofing 3

Time of First Successful Submission: 2025-07-12 16:20:33

UDP Spoofing 4

Time of First Successful Submission: 2025-07-12 16:38:07

ARP

Time of First Successful Submission: 2025-07-12 16:49:20

Intercept

Time of First Successful Submission: 2025-07-12 16:51:33

Man-in-the-Middle

Time of First Successful Submission: 2025-07-12 17:41:23

XOR

Time of First Successful Submission: 2025-07-13 18:36:01

XORing Hex

Time of First Successful Submission: 2025-07-13 18:39:08

XORing ASCII

Time of First Successful Submission: 2025-07-13 18:41:54

XORing ASCII Strings

Time of First Successful Submission: 2025-07-13 18:49:36

One-time Pad

Time of First Successful Submission: 2024-08-31 18:23:15

One-time Pad Tampering

Time of First Successful Submission: 2025-07-13 19:16:22

Many-time Pad

Time of First Successful Submission: 2024-09-01 09:30:17

AES

Time of First Successful Submission: 2025-07-13 20:09:45

AES-ECB-CPA

Time of First Successful Submission: 2025-07-13 20:45:13

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-07-13 21:11:26

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-07-14 06:28:55

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-07-14 06:34:05

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-07-14 07:08:31

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-07-14 07:10:34

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-07-14 17:54:13

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-07-14 19:21:39

AES-CBC

Time of First Successful Submission: 2025-07-15 18:01:32

AES-CBC Tampering

Time of First Successful Submission: 2025-07-15 18:56:11

AES-CBC Resizing

Time of First Successful Submission: 2025-07-15 20:23:04

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-07-16 18:44:54

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-07-16 19:00:24

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-07-16 19:14:18

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-07-16 19:30:28

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-09-09 17:51:47

DHKE

Time of First Successful Submission: 2025-07-17 17:21:18

DHKE-to-AES

Time of First Successful Submission: 2025-07-17 17:34:39

RSA 1

Time of First Successful Submission: 2025-07-18 07:06:50

RSA 2

Time of First Successful Submission: 2025-07-18 07:16:56

RSA 3

Time of First Successful Submission: 2025-07-18 09:29:59

RSA 4

Time of First Successful Submission: 2025-07-18 10:03:49

RSA Signatures

Time of First Successful Submission: 2025-07-18 08:41:10

SHA 1

Time of First Successful Submission: 2025-07-18 09:06:33

SHA 2

Time of First Successful Submission: 2025-07-18 09:15:08

TLS 1

Time of First Successful Submission: 2025-07-18 11:51:01

TLS 2

Time of First Successful Submission: 2025-07-18 13:30:01

level1

Time of First Successful Submission: 2025-07-18 14:20:13

level2

Time of First Successful Submission: 2025-07-18 14:20:38

level3

Time of First Successful Submission: 2025-07-18 14:24:16

level4

Time of First Successful Submission: 2025-07-18 14:25:00

level5

Time of First Successful Submission: 2025-07-18 14:31:10

level6

Time of First Successful Submission: 2025-07-18 14:39:06

level7

Time of First Successful Submission: 2025-07-18 14:43:32

level8

Time of First Successful Submission: 2025-07-18 14:47:01

level9

Time of First Successful Submission: 2025-07-18 15:08:28

level10

Time of First Successful Submission: 2025-07-18 15:09:37

level11

Time of First Successful Submission: 2025-07-18 15:21:49

level12

Time of First Successful Submission: 2025-07-18 15:27:04

level13

Time of First Successful Submission: 2025-07-18 15:29:01

level14

Time of First Successful Submission: 2025-07-18 15:30:47

level15

Time of First Successful Submission: 2025-07-18 15:32:54

level16

Time of First Successful Submission: 2025-07-18 15:46:42

level17

Time of First Successful Submission: 2025-07-18 17:34:51

level18

Time of First Successful Submission: 2025-07-18 17:36:15

level19

Time of First Successful Submission: 2025-07-18 17:38:20

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-07-18 19:11:08

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-07-18 19:13:37

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-07-18 19:31:21

Reading Endianness (Python)

Time of First Successful Submission: 2025-07-18 19:33:18

Reading Endianness (C)

Time of First Successful Submission: 2025-07-18 19:38:01

Reading Endianness (x86)

Time of First Successful Submission: 2025-07-18 19:40:36

Version Information (Python)

Time of First Successful Submission: 2025-07-18 19:45:23

Version Information (C)

Time of First Successful Submission: 2025-07-18 19:53:59

Version Information (x86)

Time of First Successful Submission: 2025-07-18 20:04:23

Metadata and Data (Python)

Time of First Successful Submission: 2025-07-18 20:13:26

Metadata and Data (C)

Time of First Successful Submission: 2025-07-18 20:40:00

Metadata and Data (x86)

Time of First Successful Submission: 2025-07-18 20:54:11

Input Restrictions (Python)

Time of First Successful Submission: 2025-07-18 21:11:50

Input Restrictions (C)

Time of First Successful Submission: 2025-07-18 21:15:14

Input Restrictions (x86)

Time of First Successful Submission: 2025-07-18 21:32:27

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-07-19 10:07:46

Behold the cIMG! (C)

Time of First Successful Submission: 2025-07-19 10:10:38

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-07-19 10:18:06

A Basic cIMG (Python)

Time of First Successful Submission: 2025-07-19 10:50:08

A Basic cIMG (C)

Time of First Successful Submission: 2025-07-19 11:33:04

A Basic cIMG (x86)

Time of First Successful Submission: 2025-07-19 11:39:18

Internal State Mini (C)

Time of First Successful Submission: 2025-07-19 15:25:16

Internal State Mini (x86)

Time of First Successful Submission: 2025-07-19 15:52:21

Internal State (C)

Time of First Successful Submission: 2025-07-20 19:27:33

Internal State (x86)

Time of First Successful Submission: 2025-07-21 05:52:29

File Formats: Directives (C)

Time of First Successful Submission: 2025-07-21 06:11:25

File Formats: Directives (x86)

Time of First Successful Submission: 2025-07-21 06:18:45

The Patch Directive

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

Optimizing for Space

Time of First Successful Submission: 2025-09-10 19:26:05

Tweaking Images

Time of First Successful Submission: 2025-09-11 17:48:14

Storage and Retrieval

Time of First Successful Submission: 2025-09-11 19:30:11

Extracting Knowledge

Time of First Successful Submission: 2025-09-11 21:03:11

Advanced Sprites

Time of First Successful Submission: 2025-09-12 09:39:13

Accessing Resources

Time of First Successful Submission: 2025-09-12 15:55:30

Unsafe Animations

Time of First Successful Submission: 2025-09-12 16:51:07

Animations

Time of First Successful Submission: 2025-09-12 17:35:49

Interoperability: Patching Data

Time of First Successful Submission: 2025-09-12 18:06:24

Patching Code

Time of First Successful Submission: 2025-09-12 18:51:14

Patching Control Flow

Time of First Successful Submission: 2025-09-12 19:04:00

Your First Overflow (easy)

Time of First Successful Submission: 2025-07-24 20:24:22

Your First Overflow (hard)

Time of First Successful Submission: 2025-07-25 08:46:26

Precision (easy)

Time of First Successful Submission: 2025-07-25 08:50:11

Precision (hard)

Time of First Successful Submission: 2025-07-25 08:57:50

Variable Control (easy)

Time of First Successful Submission: 2025-07-25 09:14:16

Variable Control (hard)

Time of First Successful Submission: 2025-07-25 09:30:47

Control Hijack (easy)

Time of First Successful Submission: 2025-07-25 11:24:40

Control Hijack (hard)

Time of First Successful Submission: 2025-07-25 12:37:35

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-07-25 13:13:00

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-07-25 13:18:20

PIEs (easy)

Time of First Successful Submission: 2025-07-25 20:11:07

PIEs (hard)

Time of First Successful Submission: 2025-07-25 20:31:19

String Lengths (easy)

Time of First Successful Submission: 2025-07-25 20:50:01

String Lengths (hard)

Time of First Successful Submission: 2025-07-25 21:02:46

Basic Shellcode

Time of First Successful Submission: 2025-07-26 08:29:42

NOP Sleds

Time of First Successful Submission: 2025-07-26 08:39:13

NULL-Free Shellcode

Time of First Successful Submission: 2025-07-26 09:15:00

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-07-26 10:41:22

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-07-26 10:47:52

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-07-26 11:09:56

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-07-26 11:26:26

ECB-to-Win (easy)

Time of First Successful Submission: 2025-07-26 17:26:19

ECB-to-Win (hard)

Time of First Successful Submission: 2025-07-26 18:23:22

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-07-29 18:59:51

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-07-29 19:51:37

CIMG Screenshots

Time of First Successful Submission: 2025-09-16 18:03:13

CIMG Screenshots 2

Time of First Successful Submission: 2025-09-16 19:18:50

Wily Webserver

Time of First Successful Submission: 2025-07-30 18:56:15

The Watering Hole

Time of First Successful Submission: 2025-07-31 18:38:20


Program Security

156 / 162 133 / 9811


ello ackers!

Time of First Successful Submission: 2025-07-31 19:37:36

Syscall Smuggler

Time of First Successful Submission: 2025-07-31 21:25:47

Syscall Shenanigans

Time of First Successful Submission: 2025-07-31 21:31:40

Byte Budget

Time of First Successful Submission: 2025-07-31 21:50:53

ClobberCode

Time of First Successful Submission: 2025-08-01 08:05:27

Diverse Delivery

Time of First Successful Submission: 2025-08-01 08:09:52

Pocket Payload

Time of First Successful Submission: 2025-08-01 08:13:39

Micro Menace

Time of First Successful Submission: 2025-08-01 10:06:47

Login Leakage (Easy)

Time of First Successful Submission: 2025-09-05 09:43:30

Login Leakage (Hard)

Time of First Successful Submission: 2025-09-05 10:06:02

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-08-01 13:39:28

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-08-01 14:11:58

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-08-01 15:31:34

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-08-01 15:40:51

Pointer Problems (Easy)

Time of First Successful Submission: 2025-09-05 10:22:14

Pointer Problems (Hard)

Time of First Successful Submission: 2025-09-05 10:42:06

Anomalous Array (Easy)

Time of First Successful Submission: 2025-09-05 11:13:20

Anomalous Array (Hard)

Time of First Successful Submission: 2025-09-05 13:07:14

Now you got it (Easy)

Time of First Successful Submission: 2025-09-05 13:49:26

Now you got it (Hard)

Time of First Successful Submission: 2025-09-05 14:50:36

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-08-02 09:04:44

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-08-02 10:54:27

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-08-02 11:19:06

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-08-02 11:22:04

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-08-02 15:07:59

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-08-02 15:37:34

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-08-02 16:04:02

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-08-02 16:06:50

Latent Leak (Easy)

Time of First Successful Submission: 2025-08-02 16:34:48

Latent Leak (Hard)

Time of First Successful Submission: 2025-08-02 16:50:44

Fork Foolery (Easy)

Time of First Successful Submission: 2025-08-02 17:29:10

Fork Foolery (Hard)

Time of First Successful Submission: 2025-08-02 17:37:03

Canary Conundrum (Easy)

Time of First Successful Submission: 2025-09-05 17:56:44

Canary Conundrum (Hard)

Time of First Successful Submission: 2025-09-05 18:34:03

A Crafty Clobber (Easy)

Time of First Successful Submission: 2025-09-05 18:49:36

A Crafty Clobber (Hard)

Time of First Successful Submission: 2025-09-05 20:00:13

Terrible Token (Easy)

Time of First Successful Submission: 2025-08-01 10:13:02

Terrible Token (Hard)

Time of First Successful Submission: 2025-08-01 10:21:27

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-08-01 10:24:32

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-08-01 10:35:36

Bit Bender

Time of First Successful Submission: 2025-09-18 18:02:41

Substitution Sorcery

Time of First Successful Submission: 2025-09-18 18:14:40

Meager Mangler (Easy)

Time of First Successful Submission: 2025-08-01 11:03:08

Meager Mangler (Hard)

Time of First Successful Submission: 2025-09-18 18:30:03

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-09-18 18:52:09

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-09-19 07:28:45

Patched Up (Easy)

Time of First Successful Submission: 2025-09-19 07:57:31

Patched Up (Hard)

Time of First Successful Submission: 2025-09-19 08:01:20

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-09-19 08:03:20

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-09-19 08:04:17

Patch Perfect (Easy)

Time of First Successful Submission: 2025-09-19 08:06:27

Patch Perfect (Hard)

Time of First Successful Submission: 2025-09-19 08:09:19

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-09-19 08:51:08

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-09-19 08:58:23

Know the Yancode (Easy)

Time of First Successful Submission: 2025-09-19 09:23:13

Know the Yancode (Hard)

Time of First Successful Submission: 2025-09-19 09:27:46

Master the Yancode (Easy)

Time of First Successful Submission: 2025-09-19 14:28:30

Master the Yancode (Hard)

Time of First Successful Submission: 2025-09-19 14:58:48

Transcend the Yancode (Easy)

Time of First Successful Submission: 2025-09-19 15:17:07

Transcend the Yancode (Hard)

Time of First Successful Submission: 2025-09-19 15:25:12

The Yanalyzer (Easy)

Time of First Successful Submission: 2025-09-19 19:41:14

The Yanalyzer (Hard)

Time of First Successful Submission: 2025-09-19 20:29:27

The Yangler (Easy)

Time of First Successful Submission: 2025-09-20 08:07:51

The Yangler (Hard)

Time of First Successful Submission: 2025-09-20 18:52:48

Yancraft (Easy)

Time of First Successful Submission: 2025-09-20 19:42:40

Yancraft (Hard)

Time of First Successful Submission: 2025-09-20 20:12:09

Yansanity (Easy)

Time of First Successful Submission: 2025-09-20 20:47:08

Yansanity (Hard)

Time of First Successful Submission: 2025-09-21 21:27:24

When the Cow Says Moo

Time of First Successful Submission: 2025-09-22 12:14:04

Predictable Migration

Time of First Successful Submission: 2025-09-22 14:27:53

Hashing Heifers

Time of First Successful Submission: 2025-09-22 15:00:37

Salty Stampede

Time of First Successful Submission: 2025-09-23 08:28:39

Loose Link (Easy)

Time of First Successful Submission: 2025-08-02 20:04:27

Loose Link (Hard)

Time of First Successful Submission: 2025-08-02 20:13:46

Call Chain (Easy)

Time of First Successful Submission: 2025-08-02 20:18:39

Call Chain (Hard)

Time of First Successful Submission: 2025-08-02 20:21:03

Chain of Command (Easy)

Time of First Successful Submission: 2025-08-02 20:52:51

Chain of Command (Hard)

Time of First Successful Submission: 2025-08-02 20:56:42

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2025-08-03 19:50:42

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-08-03 19:57:08

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-08-04 16:45:27

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-08-04 17:01:23

Indirect Invocation (Easy)

Time of First Successful Submission: 2025-08-04 17:56:19

Indirect Invocation (Hard)

Time of First Successful Submission: 2025-08-04 18:09:31

Leaky Libc (Easy)

Time of First Successful Submission: 2025-08-04 19:07:15

Leaky Libc (Hard)

Time of First Successful Submission: 2025-08-04 19:11:52

Putsception (Easy)

Time of First Successful Submission: 2025-08-06 17:35:06

Putsception (Hard)

Time of First Successful Submission: 2025-08-06 17:39:38

Pivotal Prelude (Easy)

Time of First Successful Submission: 2025-08-06 19:54:32

Pivotal Prelude (Hard)

Time of First Successful Submission: 2025-08-07 19:03:32

Pivotal Pointer (Easy)

Time of First Successful Submission: 2025-08-08 10:43:40

Pivotal Pointer (Hard)

Time of First Successful Submission: 2025-08-08 14:15:42

Pivotal Payload (Easy)

Time of First Successful Submission: 2025-08-08 14:24:12

Pivotal Payload (Hard)

Time of First Successful Submission: 2025-08-08 14:25:49

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2025-08-08 14:56:30

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2025-08-08 15:20:42

Guarded Gadgets (Easy)

Time of First Successful Submission: 2025-08-08 20:48:22

Guarded Gadgets (Hard)

Time of First Successful Submission: 2025-08-08 20:53:30

ROP Roulette (Easy)

Time of First Successful Submission: 2025-08-09 07:55:55

ROP Roulette (Hard)

Time of First Successful Submission: 2025-08-09 08:09:55

Libc Lottery (Easy)

Time of First Successful Submission: 2025-08-09 11:59:40

Libc Lottery (Hard)

Time of First Successful Submission: 2025-08-09 12:12:35

Freebie (Easy)

Time of First Successful Submission: 2025-08-12 17:06:23

Freebie (Hard)

Time of First Successful Submission: 2025-08-12 17:16:18

Freebin Feint (Easy)

Time of First Successful Submission: 2025-08-12 17:17:09

Freebin Feint (Hard)

Time of First Successful Submission: 2025-08-12 17:21:17

Free Flag Fumble (Easy)

Time of First Successful Submission: 2025-08-12 17:25:14

Free Flag Fumble (Hard)

Time of First Successful Submission: 2025-08-12 17:31:56

Fickle Free (Easy)

Time of First Successful Submission: 2025-08-12 19:18:29

Fickle Free (Hard)

Time of First Successful Submission: 2025-08-12 19:41:19

Malloc Mirage (Easy)

Time of First Successful Submission: 2025-08-13 18:02:46

Malloc Mirage (Hard)

Time of First Successful Submission: 2025-08-13 18:15:16

Seeking Secrets (Easy)

Time of First Successful Submission: 2025-08-13 19:21:41

Seeking Secrets (Hard)

Time of First Successful Submission: 2025-08-13 20:00:59

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2025-08-14 14:39:21

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2025-08-14 14:45:45

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2025-08-18 14:49:08

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2025-08-18 15:08:01

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2025-09-23 09:02:00

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2025-09-23 09:05:02

Sus Sequence (Easy)

Time of First Successful Submission: 2025-09-23 09:55:01

Sus Sequence (Hard)

Time of First Successful Submission: 2025-09-23 09:57:15

Echo Emanations (Easy)

Time of First Successful Submission: 2025-09-23 17:22:27

Echo Emanations (Hard)

Time of First Successful Submission: 2025-09-23 17:28:40

Stack Spoofing (Easy)

Time of First Successful Submission: 2025-09-23 17:48:51

Stack Spoofing (Hard)

Time of First Successful Submission: 2025-09-23 20:32:38

Stack Summoning (Easy)

Time of First Successful Submission: 2025-09-24 08:09:13

Stack Summoning (Hard)

Time of First Successful Submission: 2025-09-24 08:10:41

Enterprising Echo (Easy)

Time of First Successful Submission: 2025-09-24 08:52:18

Enterprising Echo (Hard)

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

Ephemeral Echo (Easy)

Time of First Successful Submission: 2025-09-24 10:38:33

Ephemeral Echo (Hard)

Time of First Successful Submission: 2025-09-24 10:43:55

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2025-09-24 15:11:18

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2025-09-24 15:12:44

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2025-09-24 15:43:24

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2025-09-24 15:46:29

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2025-09-24 18:10:57

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2025-09-24 18:23:21

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2025-09-24 20:35:43

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2025-09-24 20:37:16

Tcache Terror (Easy)

Time of First Successful Submission: 2025-09-25 21:52:13

Tcache Terror (Hard)

Time of First Successful Submission: 2025-09-25 22:13:23

Containment Composition (Easy)

Time of First Successful Submission: 2025-09-26 07:28:26

Containment Composition (Hard)

Time of First Successful Submission: 2025-09-26 09:15:24

Constant Corruption (Easy)

Time of First Successful Submission: 2025-09-26 10:35:55

Constant Corruption (Hard)

Time of First Successful Submission: 2025-09-26 11:36:27

Return to YanLand (Easy)

Time of First Successful Submission: 2025-09-26 13:52:38

Return to YanLand (Hard)

Time of First Successful Submission: 2025-09-26 14:34:11

Escape from YanLand (Easy)

Time of First Successful Submission: 2025-09-26 20:16:47

Escape from YanLand (Hard)

Time of First Successful Submission: 2025-09-26 20:23:56

The YanFilter (Easy)

Time of First Successful Submission: 2025-09-26 22:23:59

The YanFilter (Hard)

Time of First Successful Submission: 2025-09-26 22:29:05

The Great YanFilter (Easy)

Time of First Successful Submission: 2025-09-27 08:01:42

The Great YanFilter (Hard)

Time of First Successful Submission: 2025-09-27 08:22:47

Yan85 Reborn (Easy)

Time of First Successful Submission: 2025-09-27 12:15:27

Yan85 Reborn (Hard)

Time of First Successful Submission: 2025-09-27 12:20:10


System Security

73 / 95 289 / 3414


chroot-escape-basic

Time of First Successful Submission: 2025-09-27 13:00:34

chroot-shellcode

Time of First Successful Submission: 2025-09-27 14:40:41

chroot-proper

Time of First Successful Submission: 2025-09-27 14:43:07

seccomp-basic

Time of First Successful Submission: 2025-09-27 15:10:05

seccomp-linkat

Time of First Successful Submission: 2025-09-27 15:27:29

seccomp-fchdir

Time of First Successful Submission: 2025-09-27 15:37:09

seccomp-rechroot

Time of First Successful Submission: 2025-09-27 20:19:55

seccomp-only

Time of First Successful Submission: 2025-09-28 17:55:20

seccomp-arch32

Time of First Successful Submission: 2025-09-28 19:49:46

seccomp-minimal

Time of First Successful Submission: 2025-09-28 20:10:42

seccomp-timebased

Time of First Successful Submission: 2025-09-28 21:26:02

seccomp-readonly

Time of First Successful Submission: 2025-09-29 20:33:25

process-isolation

Time of First Successful Submission: 2025-09-29 21:12:35

mount-namespace

Time of First Successful Submission: 2025-09-29 21:22:24

mount-cleanup

Time of First Successful Submission: 2025-09-29 21:24:11

mount-readonly

Time of First Successful Submission: 2025-09-29 21:31:53

mount-shellcode

Time of First Successful Submission: 2025-09-29 21:42:06

mount-bindmount

Time of First Successful Submission: 2025-09-30 17:20:14

level1.0

Time of First Successful Submission: 2025-09-30 17:31:51

level1.1

Time of First Successful Submission: 2025-09-30 17:33:00

level2.0

Time of First Successful Submission: 2025-09-30 17:34:28

level2.1

Time of First Successful Submission: 2025-09-30 18:48:22

level3.0

Time of First Successful Submission: 2025-09-30 18:55:55

level3.1

Time of First Successful Submission: 2025-09-30 18:58:50

level4.0

Time of First Successful Submission: 2025-09-30 19:05:18

level4.1

Time of First Successful Submission: 2025-09-30 19:27:59

level5.0

Time of First Successful Submission: 2025-09-30 21:05:42

level5.1

Time of First Successful Submission: 2025-10-01 13:19:53

level6.0

Time of First Successful Submission: 2025-10-01 14:34:59

level6.1

Time of First Successful Submission: 2025-10-01 15:55:22

level7.0

Time of First Successful Submission: 2025-10-01 17:25:24

level7.1

Time of First Successful Submission: 2025-10-01 17:26:06

level8.0

Time of First Successful Submission: 2025-10-01 17:34:45

level8.1

Time of First Successful Submission: 2025-10-01 17:35:41

level9.0

Time of First Successful Submission: 2025-10-01 18:01:32

level9.1

Time of First Successful Submission: 2025-10-01 18:24:35

level10.0

Time of First Successful Submission: 2025-10-01 18:43:57

level10.1

Time of First Successful Submission: 2025-10-01 18:46:14

level11.0

Time of First Successful Submission: 2025-10-01 18:48:01

level11.1

Time of First Successful Submission: 2025-10-01 19:03:50

level1.0

Time of First Successful Submission: 2025-10-01 21:29:16

level1.1

Time of First Successful Submission: 2025-10-01 21:31:23

level2.0

Time of First Successful Submission: 2025-10-01 21:36:11

level2.1

Time of First Successful Submission: 2025-10-01 21:37:24

level3.0

Time of First Successful Submission: 2025-10-01 21:45:02

level3.1

Time of First Successful Submission: 2025-10-01 21:46:41

level4.0

Time of First Successful Submission: 2025-10-01 21:53:38

level4.1

Time of First Successful Submission: 2025-10-01 21:56:22

level5.0

Time of First Successful Submission: 2025-10-01 22:30:57

level5.1

Time of First Successful Submission: 2025-10-01 22:33:02

level6.0

Time of First Successful Submission: 2025-10-02 09:05:32

level6.1

Time of First Successful Submission: 2025-10-02 09:08:02

level7.0

Time of First Successful Submission: 2025-10-02 10:09:04

level7.1

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

level8.0

Time of First Successful Submission: 2025-10-02 11:15:01

level8.1

Time of First Successful Submission: 2025-10-02 11:15:43

level9.0

Time of First Successful Submission: 2025-10-02 14:17:48

level9.1

Time of First Successful Submission: 2025-10-02 14:18:31

level10.0

Time of First Successful Submission: 2025-10-02 18:33:35

level10.1

Time of First Successful Submission: 2025-10-02 18:37:09

level11.0

Time of First Successful Submission: 2025-10-03 11:24:54

level11.1

Time of First Successful Submission: 2025-10-03 11:25:35

level12.0

Time of First Successful Submission: 2025-10-03 12:10:13

level12.1

Time of First Successful Submission: 2025-10-03 12:10:44

Baby Spectre 1

Time of First Successful Submission: 2025-10-03 19:02:16

Baby Spectre 2

Time of First Successful Submission: 2025-10-03 19:13:31

Baby Spectre 3

Time of First Successful Submission: 2025-10-03 19:43:21

Baby Spectre 4

Time of First Successful Submission: 2025-10-03 19:44:19

Baby Spectre 5

Time of First Successful Submission: 2025-10-03 20:43:18

Prefetch Peek

Time of First Successful Submission: 2025-10-04 13:52:43

Spooky Spectre 1

Time of First Successful Submission: 2025-10-04 19:57:10


Start Here

11 / 12 2495 / 45220


Using the Terminal

Time of First Successful Submission: 2025-08-05 18:31:55

Using the VSCode Workspace

Time of First Successful Submission: 2024-08-16 09:18:28

Using the GUI Desktop

Time of First Successful Submission: 2024-08-16 09:21:17

Pasting into the Desktop

Time of First Successful Submission: 2024-08-16 09:22:30

Restarting Challenges

Time of First Successful Submission: 2024-08-16 09:25:17

Challenge Programs

Time of First Successful Submission: 2024-08-16 21:00:10

The Flag File

Time of First Successful Submission: 2024-08-16 21:01:18

Using Privileged Mode

Time of First Successful Submission: 2024-08-16 21:05:14

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-16 21:08:06

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-16 21:08:41


Linux Luminarium

126 / 128 3362 / 33824


Intro to Commands

Time of First Successful Submission: 2024-08-16 09:29:43

Intro to Arguments

Time of First Successful Submission: 2024-08-16 09:30:53

Command History

Time of First Successful Submission: 2025-07-02 12:16:22

The Root

Time of First Successful Submission: 2024-08-16 09:32:56

Program and absolute paths

Time of First Successful Submission: 2024-08-16 09:33:43

Position thy self

Time of First Successful Submission: 2024-08-16 09:44:41

Position elsewhere

Time of First Successful Submission: 2024-08-16 09:45:35

implicit relative paths, from /

Time of First Successful Submission: 2024-08-16 09:51:48

explicit relative paths, from /

Time of First Successful Submission: 2024-08-16 09:53:44

implicit relative path

Time of First Successful Submission: 2024-08-16 09:54:46

home sweet home

Time of First Successful Submission: 2024-08-16 09:59:19

cat: not the pet, but the command!

Time of First Successful Submission: 2024-08-16 10:01:09

catting absolute paths

Time of First Successful Submission: 2024-08-16 10:01:50

more catting practice

Time of First Successful Submission: 2024-08-16 10:02:46

grepping for a needle in a haystack

Time of First Successful Submission: 2024-08-16 10:03:48

comparing files

Time of First Successful Submission: 2025-08-11 18:59:45

listing files

Time of First Successful Submission: 2024-08-16 10:06:06

touching files

Time of First Successful Submission: 2024-08-16 10:07:11

removing files

Time of First Successful Submission: 2024-08-16 10:07:58

moving files

Time of First Successful Submission: 2025-07-02 12:17:31

hidden files

Time of First Successful Submission: 2024-08-16 10:09:05

An Epic Filesystem Quest

Time of First Successful Submission: 2024-08-16 10:17:58

making directories

Time of First Successful Submission: 2024-08-16 10:21:41

finding files

Time of First Successful Submission: 2024-08-16 10:25:50

linking files

Time of First Successful Submission: 2024-08-16 10:31:32

Learning From Documentation

Time of First Successful Submission: 2024-08-16 10:35:08

Learning Complex Usage

Time of First Successful Submission: 2024-08-16 10:37:31

Reading Manuals

Time of First Successful Submission: 2024-08-16 10:39:55

Searching Manuals

Time of First Successful Submission: 2024-08-16 10:42:23

Searching For Manuals

Time of First Successful Submission: 2024-08-16 10:50:00

Helpful Programs

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

Help for Builtins

Time of First Successful Submission: 2024-08-16 11:10:16

Matching with *

Time of First Successful Submission: 2024-08-16 11:13:08

Matching with ?

Time of First Successful Submission: 2024-08-16 11:14:56

Matching with []

Time of First Successful Submission: 2024-08-16 11:17:40

Matching paths with []

Time of First Successful Submission: 2024-08-16 11:18:43

Multiple globs

Time of First Successful Submission: 2025-07-02 12:24:21

Mixing globs

Time of First Successful Submission: 2024-08-16 11:20:38

Exclusionary globbing

Time of First Successful Submission: 2024-08-16 11:22:00

Tab completion

Time of First Successful Submission: 2025-07-02 12:25:40

Multiple options for tab completion

Time of First Successful Submission: 2025-07-02 12:27:56

Tab completion on commands

Time of First Successful Submission: 2025-07-02 12:28:46

Redirecting output

Time of First Successful Submission: 2024-08-16 11:24:09

Redirecting more output

Time of First Successful Submission: 2024-08-16 11:25:55

Appending output

Time of First Successful Submission: 2024-08-16 11:36:52

Redirecting errors

Time of First Successful Submission: 2024-08-16 11:47:48

Redirecting input

Time of First Successful Submission: 2024-08-16 11:52:01

Grepping stored results

Time of First Successful Submission: 2024-08-16 11:53:30

Grepping live output

Time of First Successful Submission: 2024-08-16 11:57:26

Grepping errors

Time of First Successful Submission: 2024-08-16 11:59:17

Filtering with grep -v

Time of First Successful Submission: 2025-07-02 12:29:41

Duplicating piped data with tee

Time of First Successful Submission: 2024-08-16 12:07:01

Process substitution for input

Time of First Successful Submission: 2025-08-05 18:33:32

Writing to multiple programs

Time of First Successful Submission: 2024-08-16 12:56:22

Split-piping stderr and stdout

Time of First Successful Submission: 2024-08-16 13:10:49

Named pipes

Time of First Successful Submission: 2025-08-05 18:36:01

Printing Variables

Time of First Successful Submission: 2024-08-16 14:24:30

Setting Variables

Time of First Successful Submission: 2024-08-16 14:27:07

Multi-word Variables

Time of First Successful Submission: 2024-08-16 14:28:16

Exporting Variables

Time of First Successful Submission: 2024-08-16 14:30:57

Printing Exported Variables

Time of First Successful Submission: 2024-08-16 14:33:00

Storing Command Output

Time of First Successful Submission: 2024-08-16 14:38:05

Reading Input

Time of First Successful Submission: 2024-08-16 14:39:50

Reading Files

Time of First Successful Submission: 2024-08-16 14:41:42

Translating characters

Time of First Successful Submission: 2025-07-01 18:50:28

Deleting characters

Time of First Successful Submission: 2025-07-02 12:30:53

Deleting newlines

Time of First Successful Submission: 2025-07-02 12:32:03

Extracting the first lines with head

Time of First Successful Submission: 2025-07-02 12:36:14

Extracting specific sections of text

Time of First Successful Submission: 2025-07-03 08:17:12

Sorting data

Time of First Successful Submission: 2025-08-05 18:36:29

Listing Processes

Time of First Successful Submission: 2024-08-16 14:49:29

Killing Processes

Time of First Successful Submission: 2024-08-16 14:51:55

Interrupting Processes

Time of First Successful Submission: 2024-08-16 14:52:42

Killing Misbehaving Processes

Time of First Successful Submission: 2025-08-05 18:40:48

Suspending Processes

Time of First Successful Submission: 2024-08-16 14:54:18

Resuming Processes

Time of First Successful Submission: 2024-08-16 14:55:14

Backgrounding Processes

Time of First Successful Submission: 2024-08-16 15:02:04

Foregrounding Processes

Time of First Successful Submission: 2024-08-16 15:04:31

Starting Backgrounded Processes

Time of First Successful Submission: 2024-08-16 15:05:56

Process Exit Codes

Time of First Successful Submission: 2024-08-16 15:08:38

Becoming root with su

Time of First Successful Submission: 2024-08-16 16:26:56

Other users with su

Time of First Successful Submission: 2024-08-16 16:28:05

Cracking passwords

Time of First Successful Submission: 2024-08-16 16:32:49

Using sudo

Time of First Successful Submission: 2024-08-16 16:34:50

Changing File Ownership

Time of First Successful Submission: 2024-08-16 15:18:11

Groups and Files

Time of First Successful Submission: 2024-08-16 15:22:19

Fun With Groups Names

Time of First Successful Submission: 2024-08-16 15:24:13

Changing Permissions

Time of First Successful Submission: 2024-08-16 15:30:30

Executable Files

Time of First Successful Submission: 2024-08-16 15:32:40

Permission Tweaking Practice

Time of First Successful Submission: 2024-08-16 15:38:35

Permissions Setting Practice

Time of First Successful Submission: 2024-08-16 15:44:03

The SUID Bit

Time of First Successful Submission: 2024-08-16 15:46:59

Chaining with Semicolons

Time of First Successful Submission: 2024-08-16 16:37:27

Building on Success

Time of First Successful Submission: 2025-08-05 18:41:22

Handling Failure

Time of First Successful Submission: 2025-08-05 18:41:42

Your First Shell Script

Time of First Successful Submission: 2024-08-16 16:39:59

Redirecting Script Output

Time of First Successful Submission: 2024-08-16 16:42:03

Executable Shell Scripts

Time of First Successful Submission: 2024-08-16 16:44:59

Understanding Shebangs

Time of First Successful Submission: 2025-08-05 18:42:56

Scripting with Arguments

Time of First Successful Submission: 2025-08-05 18:43:55

Scripting with Conditionals

Time of First Successful Submission: 2025-08-05 18:45:05

Scripting with Default Cases

Time of First Successful Submission: 2025-08-05 18:45:42

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-08-05 18:46:49

Reading Shell Scripts

Time of First Successful Submission: 2025-09-02 19:06:07

Launching Screen

Time of First Successful Submission: 2025-08-05 18:47:17

Detaching and Attaching

Time of First Successful Submission: 2025-08-05 18:55:02

Finding Sessions

Time of First Successful Submission: 2025-08-05 18:55:50

Switching Windows

Time of First Successful Submission: 2025-08-05 18:56:38

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-08-05 19:00:44

Switching Windows (tmux)

Time of First Successful Submission: 2025-08-05 19:02:34

The PATH Variable

Time of First Successful Submission: 2024-08-16 20:33:47

Setting PATH

Time of First Successful Submission: 2024-08-16 20:35:37

Finding Commands

Time of First Successful Submission: 2025-07-03 08:17:52

Adding Commands

Time of First Successful Submission: 2024-08-16 20:46:15

Hijacking Commands

Time of First Successful Submission: 2024-08-16 20:58:29

Bashrc Backdoor

Time of First Successful Submission: 2025-07-03 08:20:28

Sniffing Input

Time of First Successful Submission: 2025-07-03 08:40:54

Overshared Directories

Time of First Successful Submission: 2025-07-03 08:45:03

Tricky Linking

Time of First Successful Submission: 2025-07-03 09:04:01

Sniffing Process Arguments

Time of First Successful Submission: 2025-07-03 09:12:34

Snooping on Configurations

Time of First Successful Submission: 2025-07-03 09:19:56

The Fork Bomb

Time of First Successful Submission: 2025-07-03 09:37:11

Disk-Space Doomsday

Time of First Successful Submission: 2025-07-03 09:43:13

rm -rf /

Time of First Successful Submission: 2025-07-03 10:01:31

Life after rm -rf /

Time of First Successful Submission: 2025-07-03 10:13:28

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-07-03 10:22:20


Computing 101

68 / 94 1876 / 22292


Your First Register

Time of First Successful Submission: 2025-07-03 13:57:30

Your First Syscall

Time of First Successful Submission: 2025-07-03 13:59:02

Exit Codes

Time of First Successful Submission: 2025-07-03 14:01:44

Building Executables

Time of First Successful Submission: 2025-07-03 14:18:33

Moving Between Registers

Time of First Successful Submission: 2025-07-03 14:26:48

Loading From Memory

Time of First Successful Submission: 2025-07-03 16:49:27

More Loading Practice

Time of First Successful Submission: 2025-07-03 16:50:25

Dereferencing Pointers

Time of First Successful Submission: 2025-07-03 16:52:20

Dereferencing Yourself

Time of First Successful Submission: 2025-07-03 16:53:37

Dereferencing with Offsets

Time of First Successful Submission: 2025-07-03 16:56:09

Stored Addresses

Time of First Successful Submission: 2025-07-03 16:57:55

Double Dereference

Time of First Successful Submission: 2025-07-03 16:59:17

Tracing Syscalls

Time of First Successful Submission: 2025-07-03 14:31:08

Starting GDB

Time of First Successful Submission: 2025-07-03 14:32:26

Starting Programs in GDB

Time of First Successful Submission: 2025-07-03 14:33:26

Writing Output

Time of First Successful Submission: 2025-07-03 17:16:08

Chaining Syscalls

Time of First Successful Submission: 2025-07-03 17:17:12

Writing Strings

Time of First Successful Submission: 2025-07-03 17:17:48

Reading Data

Time of First Successful Submission: 2025-07-03 17:20:17

set-register

Time of First Successful Submission: 2025-07-03 18:25:08

set-multiple-registers

Time of First Successful Submission: 2025-07-03 18:25:55

add-to-register

Time of First Successful Submission: 2025-07-03 18:26:44

linear-equation-registers

Time of First Successful Submission: 2025-07-03 18:28:10

integer-division

Time of First Successful Submission: 2025-07-03 18:35:33

modulo-operation

Time of First Successful Submission: 2025-07-03 18:38:11

set-upper-byte

Time of First Successful Submission: 2025-07-03 18:40:20

efficient-modulo

Time of First Successful Submission: 2025-07-03 18:55:19

byte-extraction

Time of First Successful Submission: 2025-07-03 18:59:25

bitwise-and

Time of First Successful Submission: 2025-07-03 19:10:14

check-even

Time of First Successful Submission: 2025-07-03 19:15:58

memory-read

Time of First Successful Submission: 2025-07-03 19:21:04

memory-write

Time of First Successful Submission: 2025-07-03 19:21:38

memory-increment

Time of First Successful Submission: 2025-07-03 19:24:10

byte-access

Time of First Successful Submission: 2025-07-03 19:26:16

memory-size-access

Time of First Successful Submission: 2025-07-03 19:27:33

little-endian-write

Time of First Successful Submission: 2025-07-03 19:35:41

memory-sum

Time of First Successful Submission: 2025-07-03 19:38:50

stack-subtraction

Time of First Successful Submission: 2025-07-03 19:42:21

swap-stack-values

Time of First Successful Submission: 2025-07-03 19:45:41

average-stack-values

Time of First Successful Submission: 2025-07-03 20:06:01

absolute-jump

Time of First Successful Submission: 2025-07-03 20:08:19

relative-jump

Time of First Successful Submission: 2025-07-03 20:21:52

jump-trampoline

Time of First Successful Submission: 2025-07-03 20:24:57

conditional-jump

Time of First Successful Submission: 2025-07-03 21:04:36

indirect-jump

Time of First Successful Submission: 2025-07-03 21:24:12

average-loop

Time of First Successful Submission: 2025-07-03 21:36:16

count-non-zero

Time of First Successful Submission: 2025-07-03 21:44:34

string-lower

Time of First Successful Submission: 2025-07-04 09:14:38

most-common-byte

Time of First Successful Submission: 2025-07-04 12:26:53

Exit

Time of First Successful Submission: 2025-07-05 14:16:42

Socket

Time of First Successful Submission: 2025-07-05 14:23:10

Bind

Time of First Successful Submission: 2025-07-05 14:48:03

Listen

Time of First Successful Submission: 2025-07-05 14:51:24

Accept

Time of First Successful Submission: 2025-07-05 15:03:37

Static Response

Time of First Successful Submission: 2025-07-05 15:54:54

Dynamic Response

Time of First Successful Submission: 2025-07-05 17:12:54

Iterative GET Server

Time of First Successful Submission: 2025-07-05 17:15:01

Concurrent GET Server

Time of First Successful Submission: 2025-07-05 17:42:01

Concurrent POST Server

Time of First Successful Submission: 2025-07-05 18:22:32

Web Server

Time of First Successful Submission: 2025-07-05 18:29:30

Debugging Programs

Time of First Successful Submission: 2025-07-04 14:18:38

Inspecting Registers

Time of First Successful Submission: 2025-07-04 14:20:11

Examining Memory

Time of First Successful Submission: 2025-07-04 15:09:06

Setting Breakpoints

Time of First Successful Submission: 2025-07-04 15:26:02

GDB Scripting

Time of First Successful Submission: 2025-07-04 19:39:33

Modifying Data

Time of First Successful Submission: 2025-07-05 09:57:25

Modifying Execution

Time of First Successful Submission: 2025-07-05 09:58:28

Broken Functions

Time of First Successful Submission: 2025-07-05 10:33:42


Playing With Programs

116 / 116 211 / 23755


What's the password?

Time of First Successful Submission: 2025-07-06 19:45:34

... and again!

Time of First Successful Submission: 2025-07-06 19:46:05

Newline Troubles

Time of First Successful Submission: 2025-07-06 19:47:32

Reasoning about files

Time of First Successful Submission: 2025-07-06 19:49:44

Specifying Filenames

Time of First Successful Submission: 2025-07-06 19:51:05

Binary and Hex Encoding

Time of First Successful Submission: 2025-07-06 19:57:35

More Hex

Time of First Successful Submission: 2025-07-06 19:58:35

Decoding Hex

Time of First Successful Submission: 2025-07-06 20:00:46

Decoding Practice

Time of First Successful Submission: 2025-07-06 20:11:29

Encoding Practice

Time of First Successful Submission: 2025-07-06 20:22:05

Hex-encoding ASCII

Time of First Successful Submission: 2025-07-07 06:23:19

Nested Encoding

Time of First Successful Submission: 2025-07-07 06:37:10

Hex-encoding UTF-8

Time of First Successful Submission: 2025-07-07 06:53:20

UTF Mixups

Time of First Successful Submission: 2025-07-07 06:58:06

Modifying Encoded Data

Time of First Successful Submission: 2025-07-07 17:03:16

Decoding Base64

Time of First Successful Submission: 2024-08-31 18:15:17

Encoding Base64

Time of First Successful Submission: 2025-07-07 17:14:27

Dealing with Obfuscation

Time of First Successful Submission: 2025-07-07 17:18:21

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-07-07 17:43:54

Your First HTTP Request

Time of First Successful Submission: 2025-07-08 19:16:28

Reading Flask

Time of First Successful Submission: 2025-07-08 19:17:41

Commented Data

Time of First Successful Submission: 2025-07-08 19:20:28

HTTP Metadata

Time of First Successful Submission: 2025-07-08 19:23:35

HTTP (netcat)

Time of First Successful Submission: 2024-08-18 16:19:16

HTTP Paths (netcat)

Time of First Successful Submission: 2024-08-18 16:45:16

HTTP (curl)

Time of First Successful Submission: 2024-08-18 16:43:42

HTTP (python)

Time of First Successful Submission: 2024-08-18 16:46:40

HTTP Host Header (python)

Time of First Successful Submission: 2024-08-18 16:41:23

HTTP Host Header (curl)

Time of First Successful Submission: 2024-08-18 16:35:46

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-08-18 16:38:48

URL Encoding (netcat)

Time of First Successful Submission: 2024-08-18 17:05:39

HTTP GET Parameters

Time of First Successful Submission: 2024-08-18 17:09:55

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-08-18 17:27:52

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-08-18 17:25:01

HTTP Forms

Time of First Successful Submission: 2025-07-09 05:18:42

HTTP Forms (curl)

Time of First Successful Submission: 2024-08-18 17:34:17

HTTP Forms (netcat)

Time of First Successful Submission: 2024-08-18 17:40:07

HTTP Forms (python)

Time of First Successful Submission: 2024-08-18 17:53:04

HTTP Forms Without Forms

Time of First Successful Submission: 2025-07-09 05:44:43

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-08-18 18:25:00

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-08-18 18:29:11

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-08-19 08:45:35

HTTP Redirects (curl)

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

HTTP Redirects (python)

Time of First Successful Submission: 2024-08-19 08:50:55

HTTP Cookies (curl)

Time of First Successful Submission: 2024-08-19 09:08:55

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-08-19 09:10:04

HTTP Cookies (python)

Time of First Successful Submission: 2024-08-19 09:13:01

Server State (python)

Time of First Successful Submission: 2024-08-20 19:15:47

Listening Web

Time of First Successful Submission: 2025-07-09 06:34:05

Speaking Redirects

Time of First Successful Submission: 2025-07-09 06:50:58

JavaScript Redirects

Time of First Successful Submission: 2025-07-09 07:08:45

Including JavaScript

Time of First Successful Submission: 2025-07-09 16:52:39

HTTP (javascript)

Time of First Successful Submission: 2025-07-09 17:04:24

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-07-09 17:06:27

HTTP Forms (javascript)

Time of First Successful Submission: 2025-07-09 17:16:44

cat

Time of First Successful Submission: 2024-08-17 10:53:27

more

Time of First Successful Submission: 2024-08-17 10:55:51

less

Time of First Successful Submission: 2024-08-17 10:59:51

tail

Time of First Successful Submission: 2024-08-17 11:00:59

head

Time of First Successful Submission: 2024-08-17 11:01:45

sort

Time of First Successful Submission: 2024-08-17 11:03:18

vim

Time of First Successful Submission: 2024-08-17 11:05:20

emacs

Time of First Successful Submission: 2024-08-17 11:11:20

nano

Time of First Successful Submission: 2024-08-17 11:15:35

rev

Time of First Successful Submission: 2024-08-17 11:18:12

od

Time of First Successful Submission: 2024-08-17 11:25:30

hd

Time of First Successful Submission: 2024-08-17 11:27:00

xxd

Time of First Successful Submission: 2024-08-17 11:29:12

base32

Time of First Successful Submission: 2024-08-17 11:30:37

base64

Time of First Successful Submission: 2024-08-17 11:31:26

split

Time of First Successful Submission: 2024-08-17 11:38:18

gzip

Time of First Successful Submission: 2024-08-17 11:40:51

bzip2

Time of First Successful Submission: 2024-08-17 11:43:07

zip

Time of First Successful Submission: 2024-08-17 11:55:05

tar

Time of First Successful Submission: 2024-08-17 11:58:41

ar

Time of First Successful Submission: 2024-08-17 12:03:31

cpio

Time of First Successful Submission: 2024-08-17 12:39:02

genisoimage

Time of First Successful Submission: 2024-08-17 13:56:09

env

Time of First Successful Submission: 2024-08-17 14:09:17

find

Time of First Successful Submission: 2024-08-17 14:14:23

make

Time of First Successful Submission: 2024-08-17 14:36:12

nice

Time of First Successful Submission: 2024-08-17 14:45:23

timeout

Time of First Successful Submission: 2024-08-17 15:13:23

stdbuf

Time of First Successful Submission: 2024-08-17 15:15:14

setarch

Time of First Successful Submission: 2024-08-17 15:18:06

watch

Time of First Successful Submission: 2024-08-17 15:20:35

socat

Time of First Successful Submission: 2024-08-17 15:28:12

whiptail

Time of First Successful Submission: 2024-08-17 15:48:26

awk

Time of First Successful Submission: 2024-08-17 18:38:58

sed

Time of First Successful Submission: 2024-08-17 18:45:22

ed

Time of First Successful Submission: 2024-08-17 19:05:45

chown

Time of First Successful Submission: 2024-08-17 19:08:40

chmod

Time of First Successful Submission: 2024-08-17 19:09:22

cp

Time of First Successful Submission: 2024-08-18 10:51:49

mv

Time of First Successful Submission: 2024-08-18 11:16:10

perl

Time of First Successful Submission: 2024-08-18 11:28:20

python

Time of First Successful Submission: 2024-08-18 11:30:53

ruby

Time of First Successful Submission: 2024-08-18 11:32:32

bash

Time of First Successful Submission: 2024-08-18 11:43:49

date

Time of First Successful Submission: 2024-08-18 12:13:23

dmesg

Time of First Successful Submission: 2024-08-18 12:15:15

wc

Time of First Successful Submission: 2024-08-18 12:17:06

gcc

Time of First Successful Submission: 2024-08-18 12:32:17

as

Time of First Successful Submission: 2024-08-18 12:33:48

wget

Time of First Successful Submission: 2024-08-18 12:46:38

ssh-keygen

Time of First Successful Submission: 2024-08-18 13:49:49

SQL Queries

Time of First Successful Submission: 2025-07-10 19:43:32

Filtering SQL

Time of First Successful Submission: 2025-07-10 19:47:23

Choosing Columns

Time of First Successful Submission: 2025-07-10 19:48:15

Exclusionary Filtering

Time of First Successful Submission: 2025-07-10 19:49:51

Filtering Strings

Time of First Successful Submission: 2025-07-10 19:50:40

Filtering on Expressions

Time of First Successful Submission: 2025-07-10 19:52:34

SELECTing Expressions

Time of First Successful Submission: 2025-07-10 20:05:59

Composite Conditions

Time of First Successful Submission: 2025-07-10 20:08:27

Reaching Your LIMITs

Time of First Successful Submission: 2025-07-10 20:10:09

Querying Metadata

Time of First Successful Submission: 2025-07-10 20:12:30


GCA CTF

11 / 104 2753 / 45509


Using the Terminal

Time of First Successful Submission: 2025-08-05 18:31:55

Using the VSCode Workspace

Time of First Successful Submission: 2024-08-16 09:18:28

Using the GUI Desktop

Time of First Successful Submission: 2024-08-16 09:21:17

Pasting into the Desktop

Time of First Successful Submission: 2024-08-16 09:22:30

Restarting Challenges

Time of First Successful Submission: 2024-08-16 09:25:17

Getting Help

Time of First Successful Submission: 2024-08-16 09:27:11

Challenge Programs

Time of First Successful Submission: 2024-08-16 21:00:10

The Flag File

Time of First Successful Submission: 2024-08-16 21:01:18

Using Privileged Mode

Time of First Successful Submission: 2024-08-16 21:05:14

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-16 21:08:06

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-16 21:08:41