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pwn.college Archives

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Triple Dereference

Time of First Successful Submission: 2025-09-09 17:37:41

Intro to Programming Languages

15 / 234 3944 / 30289

Commands

Time of First Successful Submission: 2025-09-05 14:11:23

Command Arguments

Time of First Successful Submission: 2025-09-05 14:11:58

Command History

Time of First Successful Submission: 2025-09-05 14:12:36

The Root Path

Time of First Successful Submission: 2025-09-05 16:28:33

Absolute Paths

Time of First Successful Submission: 2025-09-05 16:29:11

Changing position

Time of First Successful Submission: 2025-09-05 16:30:56

Changing to an Absolute Path

Time of First Successful Submission: 2025-09-05 16:32:02

Relative Paths

Time of First Successful Submission: 2025-09-05 16:36:03

Cat

Time of First Successful Submission: 2025-09-05 16:45:12

Ls

Time of First Successful Submission: 2025-09-05 16:49:39

Ls All

Time of First Successful Submission: 2025-09-05 16:53:27

Find

Time of First Successful Submission: 2025-09-05 17:19:51

Piping Echo

Time of First Successful Submission: 2025-09-05 21:24:45

Piping Stdout

Time of First Successful Submission: 2025-09-05 21:25:57

Piping Stdin

Time of First Successful Submission: 2025-09-05 21:45:15

Intro to Cybersecurity

183 / 183 148 / 19316

Path Traversal 1

Time of First Successful Submission: 2025-09-29 16:17:51

Path Traversal 2

Time of First Successful Submission: 2025-09-29 19:56:18

CMDi 1

Time of First Successful Submission: 2025-09-29 22:31:26

CMDi 2

Time of First Successful Submission: 2025-09-29 22:35:26

CMDi 3

Time of First Successful Submission: 2025-09-29 22:42:51

CMDi 4

Time of First Successful Submission: 2025-09-29 22:45:32

CMDi 5

Time of First Successful Submission: 2025-09-29 22:54:01

CMDi 6

Time of First Successful Submission: 2025-10-01 17:35:39

Authentication Bypass 1

Time of First Successful Submission: 2025-10-01 20:32:31

Authentication Bypass 2

Time of First Successful Submission: 2025-10-01 20:48:33

SQLi 1

Time of First Successful Submission: 2025-10-01 21:48:54

SQLi 2

Time of First Successful Submission: 2025-10-01 22:02:32

SQLi 3

Time of First Successful Submission: 2025-10-01 22:26:16

SQLi 4

Time of First Successful Submission: 2025-10-01 22:40:46

SQLi 5

Time of First Successful Submission: 2025-10-03 21:25:34

XSS 1

Time of First Successful Submission: 2025-10-06 01:15:03

XSS 2

Time of First Successful Submission: 2025-10-06 01:37:40

XSS 3

Time of First Successful Submission: 2025-10-06 02:04:37

XSS 4

Time of First Successful Submission: 2025-10-06 02:11:59

XSS 5

Time of First Successful Submission: 2025-10-06 14:35:39

XSS 6

Time of First Successful Submission: 2025-10-06 14:43:03

XSS 7

Time of First Successful Submission: 2025-10-06 16:22:36

CSRF 1

Time of First Successful Submission: 2025-10-06 21:25:58

CSRF 2

Time of First Successful Submission: 2025-10-06 21:53:58

CSRF 3

Time of First Successful Submission: 2025-10-06 23:10:47

CSRF 4

Time of First Successful Submission: 2025-10-06 23:44:22

CSRF 5

Time of First Successful Submission: 2025-10-07 05:14:32

Connect

Time of First Successful Submission: 2025-10-07 16:27:51

Send

Time of First Successful Submission: 2025-10-07 16:28:58

Shutdown

Time of First Successful Submission: 2025-10-07 16:34:47

Listen

Time of First Successful Submission: 2025-10-07 16:40:33

Scan 1

Time of First Successful Submission: 2025-10-07 16:59:22

Scan 2

Time of First Successful Submission: 2025-10-07 17:53:58

Monitor 1

Time of First Successful Submission: 2025-10-07 18:35:08

Monitor 2

Time of First Successful Submission: 2025-10-07 19:06:26

Sniffing Cookies

Time of First Successful Submission: 2025-10-07 19:18:35

Network Configuration

Time of First Successful Submission: 2025-10-07 19:28:16

Firewall 1

Time of First Successful Submission: 2025-10-07 19:43:52

Firewall 2

Time of First Successful Submission: 2025-10-07 20:01:37

Firewall 3

Time of First Successful Submission: 2025-10-07 20:04:47

Denial of Service 1

Time of First Successful Submission: 2025-10-07 20:24:59

Denial of Service 2

Time of First Successful Submission: 2025-10-07 20:28:16

Denial of Service 3

Time of First Successful Submission: 2025-10-07 23:43:07

Ethernet

Time of First Successful Submission: 2025-10-08 18:36:57

IP

Time of First Successful Submission: 2025-10-08 19:27:51

TCP

Time of First Successful Submission: 2025-10-08 19:45:26

TCP Handshake

Time of First Successful Submission: 2025-10-08 19:57:05

UDP

Time of First Successful Submission: 2025-10-08 20:26:17

UDP 2

Time of First Successful Submission: 2025-10-08 20:32:24

UDP Spoofing 1

Time of First Successful Submission: 2025-10-08 20:49:17

UDP Spoofing 2

Time of First Successful Submission: 2025-10-09 17:46:24

UDP Spoofing 3

Time of First Successful Submission: 2025-10-13 20:13:12

UDP Spoofing 4

Time of First Successful Submission: 2025-10-13 20:25:24

ARP

Time of First Successful Submission: 2025-10-13 21:53:39

Intercept

Time of First Successful Submission: 2025-10-17 15:38:58

Man-in-the-Middle

Time of First Successful Submission: 2025-10-17 16:18:50

XOR

Time of First Successful Submission: 2025-10-17 18:50:25

XORing Hex

Time of First Successful Submission: 2025-10-17 20:19:46

XORing ASCII

Time of First Successful Submission: 2025-10-17 20:45:46

XORing ASCII Strings

Time of First Successful Submission: 2025-10-17 22:00:07

One-time Pad

Time of First Successful Submission: 2025-10-17 22:30:57

One-time Pad Tampering

Time of First Successful Submission: 2025-10-17 23:12:04

Many-time Pad

Time of First Successful Submission: 2025-10-22 15:29:58

AES

Time of First Successful Submission: 2025-10-22 17:44:16

AES-ECB-CPA

Time of First Successful Submission: 2025-10-22 22:11:30

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-10-23 04:04:48

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-10-23 04:10:59

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-10-23 20:02:44

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-10-24 19:17:48

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-10-24 19:42:33

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-10-29 15:38:26

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-10-31 15:41:47

AES-CBC

Time of First Successful Submission: 2025-11-03 16:29:52

AES-CBC Tampering

Time of First Successful Submission: 2025-11-03 22:37:21

AES-CBC Resizing

Time of First Successful Submission: 2025-11-04 18:21:32

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-11-06 22:19:54

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-11-06 22:26:57

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-11-06 22:56:43

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-11-07 03:36:06

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-11-07 03:40:47

DHKE

Time of First Successful Submission: 2025-11-07 04:03:00

DHKE-to-AES

Time of First Successful Submission: 2025-11-07 04:29:35

RSA 1

Time of First Successful Submission: 2025-11-10 17:02:31

RSA 2

Time of First Successful Submission: 2025-11-10 17:16:41

RSA 3

Time of First Successful Submission: 2025-11-10 17:20:41

RSA 4

Time of First Successful Submission: 2025-11-10 17:29:24

RSA Signatures

Time of First Successful Submission: 2025-11-10 18:24:06

SHA 1

Time of First Successful Submission: 2025-11-10 18:46:50

SHA 2

Time of First Successful Submission: 2025-11-10 19:03:19

TLS 1

Time of First Successful Submission: 2025-11-10 22:53:57

TLS 2

Time of First Successful Submission: 2025-11-11 21:44:11

level1

Time of First Successful Submission: 2025-11-11 22:03:53

level2

Time of First Successful Submission: 2025-11-11 22:12:15

level3

Time of First Successful Submission: 2025-11-11 22:19:48

level4

Time of First Successful Submission: 2025-11-11 22:20:56

level5

Time of First Successful Submission: 2025-11-11 23:03:12

level6

Time of First Successful Submission: 2025-11-11 23:08:16

level7

Time of First Successful Submission: 2025-11-11 23:10:19

level8

Time of First Successful Submission: 2025-11-11 23:11:11

level9

Time of First Successful Submission: 2025-11-11 23:12:21

level10

Time of First Successful Submission: 2025-11-11 23:24:30

level11

Time of First Successful Submission: 2025-11-11 23:27:38

level12

Time of First Successful Submission: 2025-11-12 01:08:51

level13

Time of First Successful Submission: 2025-11-12 01:11:36

level14

Time of First Successful Submission: 2025-11-12 01:13:10

level15

Time of First Successful Submission: 2025-11-12 01:14:24

level16

Time of First Successful Submission: 2025-11-12 16:35:28

level17

Time of First Successful Submission: 2025-11-12 17:30:13

level18

Time of First Successful Submission: 2025-11-12 17:33:48

level19

Time of First Successful Submission: 2025-11-12 17:48:21

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-11-13 19:19:05

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-11-13 19:47:04

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-11-13 20:16:05

Reading Endianness (Python)

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

Reading Endianness (C)

Time of First Successful Submission: 2025-11-13 20:35:46

Reading Endianness (x86)

Time of First Successful Submission: 2025-11-13 20:47:06

Version Information (Python)

Time of First Successful Submission: 2025-11-13 20:56:40

Version Information (C)

Time of First Successful Submission: 2025-11-13 21:05:14

Version Information (x86)

Time of First Successful Submission: 2025-11-15 20:09:26

Metadata and Data (Python)

Time of First Successful Submission: 2025-11-15 20:25:41

Metadata and Data (C)

Time of First Successful Submission: 2025-11-15 20:31:36

Metadata and Data (x86)

Time of First Successful Submission: 2025-11-18 17:17:03

Input Restrictions (Python)

Time of First Successful Submission: 2025-11-18 17:20:41

Input Restrictions (C)

Time of First Successful Submission: 2025-11-18 17:26:17

Input Restrictions (x86)

Time of First Successful Submission: 2025-11-18 18:01:33

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-11-18 18:23:09

Behold the cIMG! (C)

Time of First Successful Submission: 2025-11-18 18:26:15

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-11-18 18:47:26

A Basic cIMG (Python)

Time of First Successful Submission: 2025-11-18 19:24:06

A Basic cIMG (C)

Time of First Successful Submission: 2025-11-18 19:28:57

A Basic cIMG (x86)

Time of First Successful Submission: 2025-11-18 19:51:22

Internal State Mini (C)

Time of First Successful Submission: 2025-11-19 17:30:15

Internal State Mini (x86)

Time of First Successful Submission: 2025-11-19 21:56:09

Internal State (C)

Time of First Successful Submission: 2025-11-19 22:52:56

Internal State (x86)

Time of First Successful Submission: 2025-11-19 22:54:19

File Formats: Directives (C)

Time of First Successful Submission: 2025-11-19 23:39:08

File Formats: Directives (x86)

Time of First Successful Submission: 2025-11-19 23:44:28

The Patch Directive

Time of First Successful Submission: 2025-11-24 04:04:56

Optimizing for Space

Time of First Successful Submission: 2025-11-26 19:26:55

Tweaking Images

Time of First Successful Submission: 2025-11-27 00:16:36

Storage and Retrieval

Time of First Successful Submission: 2025-12-02 00:02:07

Extracting Knowledge

Time of First Successful Submission: 2025-12-02 20:49:26

Advanced Sprites

Time of First Successful Submission: 2025-12-03 00:21:15

Accessing Resources

Time of First Successful Submission: 2025-12-04 16:33:42

Unsafe Animations

Time of First Successful Submission: 2025-12-04 17:14:53

Animations

Time of First Successful Submission: 2025-12-04 18:16:37

Interoperability: Patching Data

Time of First Successful Submission: 2025-12-08 21:35:12

Patching Code

Time of First Successful Submission: 2025-12-08 21:59:53

Patching Control Flow

Time of First Successful Submission: 2025-12-08 22:40:16

Your First Overflow (easy)

Time of First Successful Submission: 2025-12-08 22:46:35

Your First Overflow (hard)

Time of First Successful Submission: 2025-12-08 22:57:41

Precision (easy)

Time of First Successful Submission: 2025-12-08 23:04:14

Precision (hard)

Time of First Successful Submission: 2025-12-10 17:46:03

Variable Control (easy)

Time of First Successful Submission: 2025-12-10 18:10:07

Variable Control (hard)

Time of First Successful Submission: 2025-12-10 18:30:22

Control Hijack (easy)

Time of First Successful Submission: 2025-12-10 18:36:41

Control Hijack (hard)

Time of First Successful Submission: 2025-12-10 18:39:09

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-12-10 18:44:34

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-12-10 18:50:50

PIEs (easy)

Time of First Successful Submission: 2025-12-10 19:24:01

PIEs (hard)

Time of First Successful Submission: 2025-12-10 19:39:03

String Lengths (easy)

Time of First Successful Submission: 2025-12-10 19:59:12

String Lengths (hard)

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

Basic Shellcode

Time of First Successful Submission: 2025-12-11 18:24:27

NOP Sleds

Time of First Successful Submission: 2025-12-11 18:39:11

NULL-Free Shellcode

Time of First Successful Submission: 2025-12-17 20:38:41

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-12-19 21:58:35

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-12-19 22:26:19

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-12-20 01:07:55

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-12-23 01:32:26

ECB-to-Win (easy)

Time of First Successful Submission: 2025-12-23 03:27:30

ECB-to-Win (hard)

Time of First Successful Submission: 2025-12-23 19:40:34

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-12-23 20:05:04

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-12-23 20:24:02

CIMG Screenshots

Time of First Successful Submission: 2026-01-29 23:59:05

CIMG Screenshots 2

Time of First Successful Submission: 2026-02-02 04:29:45

Wily Webserver

Time of First Successful Submission: 2026-02-03 19:34:07

The Watering Hole

Time of First Successful Submission: 2026-02-03 22:57:03

Secure Chat 1

Time of First Successful Submission: 2026-02-04 04:51:53

Secure Chat 2

Time of First Successful Submission: 2026-02-06 21:17:13

Secure Chat 3

Time of First Successful Submission: 2026-02-09 21:13:01

Secure Chat 4

Time of First Successful Submission: 2026-02-10 00:23:58

Secure Chat 5

Time of First Successful Submission: 2026-02-11 20:24:44

Program Security

36 / 162 1910 / 9293

ello ackers!

Time of First Successful Submission: 2026-02-11 23:32:55

Syscall Smuggler

Time of First Successful Submission: 2026-02-12 00:26:29

Syscall Shenanigans

Time of First Successful Submission: 2026-02-12 18:25:58

Byte Budget

Time of First Successful Submission: 2026-02-13 00:48:03

ClobberCode

Time of First Successful Submission: 2026-02-13 04:16:39

Diverse Delivery

Time of First Successful Submission: 2026-02-13 04:24:43

Pocket Payload

Time of First Successful Submission: 2026-02-13 00:52:28

Micro Menace

Time of First Successful Submission: 2026-02-13 03:56:25

Login Leakage (Easy)

Time of First Successful Submission: 2026-02-17 04:01:48

Login Leakage (Hard)

Time of First Successful Submission: 2026-02-17 23:52:27

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-02-18 18:34:17

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-02-18 19:05:28

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-02-18 20:27:43

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-02-18 20:38:22

Pointer Problems (Easy)

Time of First Successful Submission: 2026-02-18 21:03:40

Pointer Problems (Hard)

Time of First Successful Submission: 2026-02-18 21:22:32

Anomalous Array (Easy)

Time of First Successful Submission: 2026-02-18 21:57:40

Anomalous Array (Hard)

Time of First Successful Submission: 2026-02-18 22:30:00

Now you got it (Easy)

Time of First Successful Submission: 2026-02-18 23:15:38

Now you got it (Hard)

Time of First Successful Submission: 2026-02-19 01:24:16

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-02-19 21:52:11

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-02-19 22:30:17

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-02-19 23:09:38

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-02-19 23:16:31

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-02-20 00:54:22

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-02-21 20:46:43

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-02-21 21:38:33

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-02-21 22:08:06

Latent Leak (Easy)

Time of First Successful Submission: 2026-02-23 17:21:35

Latent Leak (Hard)

Time of First Successful Submission: 2026-02-23 17:28:14

Fork Foolery (Easy)

Time of First Successful Submission: 2026-02-23 19:58:27

Fork Foolery (Hard)

Time of First Successful Submission: 2026-02-23 20:30:30

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-02-23 23:22:29

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-02-24 00:51:39

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-02-24 22:43:29

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-02-24 23:02:22

Start Here

11 / 12 3561 / 41090

Using the Terminal

Time of First Successful Submission: 2025-09-05 13:11:32

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-05 13:13:23

Using the GUI Desktop

Time of First Successful Submission: 2025-09-05 13:15:03

Pasting into the Desktop

Time of First Successful Submission: 2025-09-05 13:16:19

Restarting Challenges

Time of First Successful Submission: 2025-09-05 13:19:31

Challenge Programs

Time of First Successful Submission: 2025-09-05 13:27:49

The Flag File

Time of First Successful Submission: 2025-09-05 13:29:23

Using Privileged Mode

Time of First Successful Submission: 2025-09-05 13:56:51

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-05 14:03:53

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-05 14:04:42

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-09-05 14:11:23

Intro to Arguments

Time of First Successful Submission: 2025-09-05 14:11:58

Command History

Time of First Successful Submission: 2025-09-05 14:12:36

The Root

Time of First Successful Submission: 2025-09-05 16:28:33

Program and absolute paths

Time of First Successful Submission: 2025-09-05 16:29:11

Position thy self

Time of First Successful Submission: 2025-09-05 16:30:56

Position elsewhere

Time of First Successful Submission: 2025-09-05 16:32:02

implicit relative paths, from /

Time of First Successful Submission: 2025-09-05 16:36:03

explicit relative paths, from /

Time of First Successful Submission: 2025-09-05 16:37:36

implicit relative path

Time of First Successful Submission: 2025-09-05 16:42:12

home sweet home

Time of First Successful Submission: 2025-09-05 16:44:00

cat: not the pet, but the command!

Time of First Successful Submission: 2025-09-05 16:45:12

catting absolute paths

Time of First Successful Submission: 2025-09-05 16:45:52

more catting practice

Time of First Successful Submission: 2025-09-05 16:46:42

grepping for a needle in a haystack

Time of First Successful Submission: 2025-09-05 16:47:36

comparing files

Time of First Successful Submission: 2025-09-05 16:48:36

listing files

Time of First Successful Submission: 2025-09-05 16:49:39

touching files

Time of First Successful Submission: 2025-09-05 16:50:40

removing files

Time of First Successful Submission: 2025-09-05 16:51:46

moving files

Time of First Successful Submission: 2025-09-05 16:52:39

hidden files

Time of First Successful Submission: 2025-09-05 16:53:27

An Epic Filesystem Quest

Time of First Successful Submission: 2025-09-05 17:05:55

making directories

Time of First Successful Submission: 2025-09-05 17:09:57

finding files

Time of First Successful Submission: 2025-09-05 17:19:51

linking files

Time of First Successful Submission: 2025-09-05 19:22:52

Learning From Documentation

Time of First Successful Submission: 2025-09-05 19:33:16

Learning Complex Usage

Time of First Successful Submission: 2025-09-05 19:34:57

Reading Manuals

Time of First Successful Submission: 2025-09-05 19:36:23

Searching Manuals

Time of First Successful Submission: 2025-09-05 19:37:36

Searching For Manuals

Time of First Successful Submission: 2025-09-05 19:46:24

Helpful Programs

Time of First Successful Submission: 2025-09-05 20:08:30

Help for Builtins

Time of First Successful Submission: 2025-09-05 20:41:06

Matching with *

Time of First Successful Submission: 2025-09-05 20:57:15

Matching with ?

Time of First Successful Submission: 2025-09-05 20:58:22

Matching with []

Time of First Successful Submission: 2025-09-05 20:59:44

Matching paths with []

Time of First Successful Submission: 2025-09-05 21:02:38

Multiple globs

Time of First Successful Submission: 2025-09-05 21:03:45

Mixing globs

Time of First Successful Submission: 2025-09-05 21:17:15

Exclusionary globbing

Time of First Successful Submission: 2025-09-05 21:18:32

Tab completion

Time of First Successful Submission: 2025-09-05 21:19:40

Multiple options for tab completion

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

Tab completion on commands

Time of First Successful Submission: 2025-09-05 21:22:16

Redirecting output

Time of First Successful Submission: 2025-09-05 21:24:45

Redirecting more output

Time of First Successful Submission: 2025-09-05 21:25:57

Appending output

Time of First Successful Submission: 2025-09-05 21:27:43

Redirecting errors

Time of First Successful Submission: 2025-09-05 21:30:12

Redirecting input

Time of First Successful Submission: 2025-09-05 21:45:15

Grepping stored results

Time of First Successful Submission: 2025-09-05 21:46:45

Grepping live output

Time of First Successful Submission: 2025-09-05 21:47:30

Grepping errors

Time of First Successful Submission: 2025-09-05 21:48:42

Filtering with grep -v

Time of First Successful Submission: 2025-09-05 21:49:57

Duplicating piped data with tee

Time of First Successful Submission: 2025-09-05 22:37:33

Process substitution for input

Time of First Successful Submission: 2025-09-05 22:40:01

Writing to multiple programs

Time of First Successful Submission: 2025-09-05 22:45:54

Split-piping stderr and stdout

Time of First Successful Submission: 2025-09-05 22:54:21

Named pipes

Time of First Successful Submission: 2025-09-05 22:57:16

Printing Variables

Time of First Successful Submission: 2025-09-06 00:20:20

Setting Variables

Time of First Successful Submission: 2025-09-06 00:21:20

Multi-word Variables

Time of First Successful Submission: 2025-09-06 00:22:36

Exporting Variables

Time of First Successful Submission: 2025-09-06 00:24:24

Printing Exported Variables

Time of First Successful Submission: 2025-09-06 00:24:48

Storing Command Output

Time of First Successful Submission: 2025-09-06 00:26:53

Reading Input

Time of First Successful Submission: 2025-09-06 00:28:55

Reading Files

Time of First Successful Submission: 2025-09-06 00:30:12

Translating characters

Time of First Successful Submission: 2025-09-06 00:34:00

Deleting characters

Time of First Successful Submission: 2025-09-06 00:36:30

Deleting newlines

Time of First Successful Submission: 2025-09-06 00:37:38

Extracting the first lines with head

Time of First Successful Submission: 2025-09-06 00:38:43

Extracting specific sections of text

Time of First Successful Submission: 2025-09-06 00:40:37

Sorting data

Time of First Successful Submission: 2025-09-06 00:41:14

Listing Processes

Time of First Successful Submission: 2025-09-06 00:43:03

Killing Processes

Time of First Successful Submission: 2025-09-06 00:43:54

Interrupting Processes

Time of First Successful Submission: 2025-09-06 00:44:17

Killing Misbehaving Processes

Time of First Successful Submission: 2025-09-06 00:48:50

Suspending Processes

Time of First Successful Submission: 2025-09-06 00:49:35

Resuming Processes

Time of First Successful Submission: 2025-09-06 00:50:09

Backgrounding Processes

Time of First Successful Submission: 2025-09-06 00:53:52

Foregrounding Processes

Time of First Successful Submission: 2025-09-06 00:54:42

Starting Backgrounded Processes

Time of First Successful Submission: 2025-09-06 00:55:15

Process Exit Codes

Time of First Successful Submission: 2025-09-06 00:56:01

Becoming root with su

Time of First Successful Submission: 2025-09-06 00:58:00

Other users with su

Time of First Successful Submission: 2025-09-06 00:58:35

Cracking passwords

Time of First Successful Submission: 2025-09-06 01:02:41

Using sudo

Time of First Successful Submission: 2025-09-06 01:03:48

Changing File Ownership

Time of First Successful Submission: 2025-09-08 02:45:18

Groups and Files

Time of First Successful Submission: 2025-09-08 15:35:52

Fun With Groups Names

Time of First Successful Submission: 2025-09-08 15:36:47

Changing Permissions

Time of First Successful Submission: 2025-09-08 15:38:15

Executable Files

Time of First Successful Submission: 2025-09-08 15:39:18

Permission Tweaking Practice

Time of First Successful Submission: 2025-09-08 15:47:23

Permissions Setting Practice

Time of First Successful Submission: 2025-09-08 15:50:30

The SUID Bit

Time of First Successful Submission: 2025-09-08 15:51:48

Chaining with Semicolons

Time of First Successful Submission: 2025-09-08 15:52:41

Building on Success

Time of First Successful Submission: 2025-09-08 15:53:41

Handling Failure

Time of First Successful Submission: 2025-09-08 15:54:19

Your First Shell Script

Time of First Successful Submission: 2025-09-08 15:55:56

Redirecting Script Output

Time of First Successful Submission: 2025-09-08 15:56:50

Executable Shell Scripts

Time of First Successful Submission: 2025-09-08 15:57:52

Understanding Shebangs

Time of First Successful Submission: 2025-09-08 16:01:12

Scripting with Arguments

Time of First Successful Submission: 2025-09-08 16:03:47

Scripting with Conditionals

Time of First Successful Submission: 2025-09-08 16:05:36

Scripting with Default Cases

Time of First Successful Submission: 2025-09-08 16:06:43

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-09-08 16:08:49

Reading Shell Scripts

Time of First Successful Submission: 2025-09-08 16:09:55

Launching Screen

Time of First Successful Submission: 2025-09-08 16:10:33

Detaching and Attaching

Time of First Successful Submission: 2025-09-08 16:12:10

Finding Sessions

Time of First Successful Submission: 2025-09-08 16:13:02

Switching Windows

Time of First Successful Submission: 2025-09-08 16:37:07

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-09-08 16:38:35

Switching Windows (tmux)

Time of First Successful Submission: 2025-09-08 16:39:15

The PATH Variable

Time of First Successful Submission: 2025-09-08 16:40:29

Setting PATH

Time of First Successful Submission: 2025-09-08 16:41:31

Finding Commands

Time of First Successful Submission: 2025-09-08 16:42:19

Adding Commands

Time of First Successful Submission: 2025-09-08 16:46:40

Hijacking Commands

Time of First Successful Submission: 2025-09-08 16:50:59

Bashrc Backdoor

Time of First Successful Submission: 2025-09-08 16:53:10

Sniffing Input

Time of First Successful Submission: 2025-09-08 17:01:13

Overshared Directories

Time of First Successful Submission: 2025-09-08 17:06:05

Tricky Linking

Time of First Successful Submission: 2025-09-08 17:09:47

Sniffing Process Arguments

Time of First Successful Submission: 2025-09-08 17:13:44

Snooping on Configurations

Time of First Successful Submission: 2025-09-08 17:16:38

The Fork Bomb

Time of First Successful Submission: 2025-09-09 14:56:42

Disk-Space Doomsday

Time of First Successful Submission: 2025-09-09 14:59:06

rm -rf /

Time of First Successful Submission: 2025-09-09 15:30:32

Life after rm -rf /

Time of First Successful Submission: 2025-09-09 15:34:44

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-09-09 15:36:41

Computing 101

68 / 94 1327 / 20787

Your First Register

Time of First Successful Submission: 2025-09-09 15:41:31

Your First Syscall

Time of First Successful Submission: 2025-09-09 15:42:25

Exit Codes

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

Building Executables

Time of First Successful Submission: 2025-09-09 15:46:51

Moving Between Registers

Time of First Successful Submission: 2025-09-09 16:10:50

Loading From Memory

Time of First Successful Submission: 2025-09-09 17:23:04

More Loading Practice

Time of First Successful Submission: 2025-09-09 17:23:43

Dereferencing Pointers

Time of First Successful Submission: 2025-09-09 17:24:46

Dereferencing Yourself

Time of First Successful Submission: 2025-09-09 17:25:34

Dereferencing with Offsets

Time of First Successful Submission: 2025-09-09 17:26:57

Stored Addresses

Time of First Successful Submission: 2025-09-09 17:30:58

Double Dereference

Time of First Successful Submission: 2025-09-09 17:36:10

Tracing Syscalls

Time of First Successful Submission: 2025-09-09 17:19:28

Starting GDB

Time of First Successful Submission: 2025-09-09 17:20:15

Starting Programs in GDB

Time of First Successful Submission: 2025-09-09 17:21:04

Writing Output

Time of First Successful Submission: 2025-09-09 17:42:35

Chaining Syscalls

Time of First Successful Submission: 2025-09-09 17:43:28

Writing Strings

Time of First Successful Submission: 2025-09-09 17:44:02

Reading Data

Time of First Successful Submission: 2025-09-09 17:47:57

set-register

Time of First Successful Submission: 2025-09-09 19:23:26

set-multiple-registers

Time of First Successful Submission: 2025-09-09 19:24:57

add-to-register

Time of First Successful Submission: 2025-09-09 19:26:29

linear-equation-registers

Time of First Successful Submission: 2025-09-09 19:29:34

integer-division

Time of First Successful Submission: 2025-09-09 19:38:51

modulo-operation

Time of First Successful Submission: 2025-09-09 19:46:33

set-upper-byte

Time of First Successful Submission: 2025-09-09 19:48:38

efficient-modulo

Time of First Successful Submission: 2025-09-09 19:56:21

byte-extraction

Time of First Successful Submission: 2025-09-09 20:10:22

bitwise-and

Time of First Successful Submission: 2025-09-09 20:16:12

check-even

Time of First Successful Submission: 2025-09-09 20:24:58

memory-read

Time of First Successful Submission: 2025-09-09 20:33:51

memory-write

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

memory-increment

Time of First Successful Submission: 2025-09-09 20:42:39

byte-access

Time of First Successful Submission: 2025-09-09 20:45:37

memory-size-access

Time of First Successful Submission: 2025-09-09 20:48:01

little-endian-write

Time of First Successful Submission: 2025-09-09 20:57:33

memory-sum

Time of First Successful Submission: 2025-09-09 21:16:17

stack-subtraction

Time of First Successful Submission: 2025-09-09 21:30:52

swap-stack-values

Time of First Successful Submission: 2025-09-09 21:32:04

average-stack-values

Time of First Successful Submission: 2025-09-09 21:40:10

absolute-jump

Time of First Successful Submission: 2025-09-10 01:18:17

relative-jump

Time of First Successful Submission: 2025-09-10 01:46:14

jump-trampoline

Time of First Successful Submission: 2025-09-10 01:50:48

conditional-jump

Time of First Successful Submission: 2025-09-10 03:57:38

indirect-jump

Time of First Successful Submission: 2025-09-10 16:34:45

average-loop

Time of First Successful Submission: 2025-09-10 17:28:14

count-non-zero

Time of First Successful Submission: 2025-09-10 18:15:32

string-lower

Time of First Successful Submission: 2025-09-10 21:56:13

most-common-byte

Time of First Successful Submission: 2025-09-11 16:40:42

Exit

Time of First Successful Submission: 2025-09-17 01:26:24

Socket

Time of First Successful Submission: 2025-09-17 01:42:41

Bind

Time of First Successful Submission: 2025-09-17 03:39:50

Listen

Time of First Successful Submission: 2025-09-17 03:57:41

Accept

Time of First Successful Submission: 2025-09-17 18:10:32

Static Response

Time of First Successful Submission: 2025-09-17 22:08:26

Dynamic Response

Time of First Successful Submission: 2025-09-18 00:57:39

Iterative GET Server

Time of First Successful Submission: 2025-09-18 02:04:12

Concurrent GET Server

Time of First Successful Submission: 2025-09-18 02:16:32

Concurrent POST Server

Time of First Successful Submission: 2025-09-23 21:03:52

Web Server

Time of First Successful Submission: 2025-09-23 21:13:24

Debugging Programs

Time of First Successful Submission: 2025-09-11 16:50:08

Inspecting Registers

Time of First Successful Submission: 2025-09-11 16:51:05

Examining Memory

Time of First Successful Submission: 2025-09-11 16:54:09

Setting Breakpoints

Time of First Successful Submission: 2025-09-11 17:48:04

GDB Scripting

Time of First Successful Submission: 2025-09-11 22:02:25

Modifying Data

Time of First Successful Submission: 2025-09-12 14:52:27

Modifying Execution

Time of First Successful Submission: 2025-09-12 15:13:37

Broken Functions

Time of First Successful Submission: 2025-09-12 15:57:38

Playing With Programs

116 / 116 413 / 22946

What's the password?

Time of First Successful Submission: 2025-09-23 22:48:16

... and again!

Time of First Successful Submission: 2025-09-23 22:48:58

Newline Troubles

Time of First Successful Submission: 2025-09-23 22:51:11

Reasoning about files

Time of First Successful Submission: 2025-09-24 00:05:15

Specifying Filenames

Time of First Successful Submission: 2025-09-24 00:06:19

Binary and Hex Encoding

Time of First Successful Submission: 2025-09-24 00:17:27

More Hex

Time of First Successful Submission: 2025-09-24 00:19:50

Decoding Hex

Time of First Successful Submission: 2025-09-24 00:22:15

Decoding Practice

Time of First Successful Submission: 2025-09-24 00:26:10

Encoding Practice

Time of First Successful Submission: 2025-09-24 00:31:57

Hex-encoding ASCII

Time of First Successful Submission: 2025-09-24 00:42:54

Nested Encoding

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

Hex-encoding UTF-8

Time of First Successful Submission: 2025-09-24 20:22:55

UTF Mixups

Time of First Successful Submission: 2025-09-24 20:41:28

Modifying Encoded Data

Time of First Successful Submission: 2025-09-24 20:48:04

Decoding Base64

Time of First Successful Submission: 2025-09-24 20:57:12

Encoding Base64

Time of First Successful Submission: 2025-09-24 21:00:01

Dealing with Obfuscation

Time of First Successful Submission: 2025-09-24 21:02:14

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-09-24 21:15:11

Your First HTTP Request

Time of First Successful Submission: 2025-09-25 16:59:24

Reading Flask

Time of First Successful Submission: 2025-09-25 17:07:08

Commented Data

Time of First Successful Submission: 2025-09-25 17:08:29

HTTP Metadata

Time of First Successful Submission: 2025-09-25 17:10:40

HTTP (netcat)

Time of First Successful Submission: 2025-09-25 17:18:19

HTTP Paths (netcat)

Time of First Successful Submission: 2025-09-25 17:20:06

HTTP (curl)

Time of First Successful Submission: 2025-09-25 17:24:14

HTTP (python)

Time of First Successful Submission: 2025-09-25 17:30:02

HTTP Host Header (python)

Time of First Successful Submission: 2025-09-25 17:36:30

HTTP Host Header (curl)

Time of First Successful Submission: 2025-09-25 17:41:23

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-09-25 17:49:41

URL Encoding (netcat)

Time of First Successful Submission: 2025-09-25 17:53:53

HTTP GET Parameters

Time of First Successful Submission: 2025-09-25 18:01:30

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-09-25 18:03:06

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-09-25 18:04:42

HTTP Forms

Time of First Successful Submission: 2025-09-25 18:06:13

HTTP Forms (curl)

Time of First Successful Submission: 2025-09-25 18:08:47

HTTP Forms (netcat)

Time of First Successful Submission: 2025-09-25 18:12:38

HTTP Forms (python)

Time of First Successful Submission: 2025-09-25 18:15:49

HTTP Forms Without Forms

Time of First Successful Submission: 2025-09-25 18:48:42

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-09-25 18:53:37

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-09-25 18:57:17

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-09-25 18:59:52

HTTP Redirects (curl)

Time of First Successful Submission: 2025-09-25 19:04:03

HTTP Redirects (python)

Time of First Successful Submission: 2025-09-25 19:05:19

HTTP Cookies (curl)

Time of First Successful Submission: 2025-09-25 19:16:53

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-09-25 19:19:41

HTTP Cookies (python)

Time of First Successful Submission: 2025-09-25 19:22:20

Server State (python)

Time of First Successful Submission: 2025-09-25 19:23:32

Listening Web

Time of First Successful Submission: 2025-09-25 19:28:08

Speaking Redirects

Time of First Successful Submission: 2025-09-25 19:39:59

JavaScript Redirects

Time of First Successful Submission: 2025-09-25 20:01:31

Including JavaScript

Time of First Successful Submission: 2025-09-25 20:41:08

HTTP (javascript)

Time of First Successful Submission: 2025-09-25 20:52:46

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-09-25 20:55:31

HTTP Forms (javascript)

Time of First Successful Submission: 2025-09-25 21:08:07

cat

Time of First Successful Submission: 2025-09-26 16:31:39

more

Time of First Successful Submission: 2025-09-26 16:31:58

less

Time of First Successful Submission: 2025-09-26 16:32:16

tail

Time of First Successful Submission: 2025-09-26 16:32:35

head

Time of First Successful Submission: 2025-09-26 16:33:03

sort

Time of First Successful Submission: 2025-09-26 16:33:32

vim

Time of First Successful Submission: 2025-09-26 16:33:59

emacs

Time of First Successful Submission: 2025-09-26 16:34:17

nano

Time of First Successful Submission: 2025-09-26 19:35:42

rev

Time of First Successful Submission: 2025-09-26 19:36:19

od

Time of First Successful Submission: 2025-09-26 19:47:41

hd

Time of First Successful Submission: 2025-09-26 19:49:51

xxd

Time of First Successful Submission: 2025-09-26 19:50:35

base32

Time of First Successful Submission: 2025-09-26 19:53:31

base64

Time of First Successful Submission: 2025-09-26 19:58:52

split

Time of First Successful Submission: 2025-09-26 20:00:35

gzip

Time of First Successful Submission: 2025-09-26 20:01:43

bzip2

Time of First Successful Submission: 2025-09-26 20:03:24

zip

Time of First Successful Submission: 2025-09-26 20:14:30

tar

Time of First Successful Submission: 2025-09-26 20:19:56

ar

Time of First Successful Submission: 2025-09-26 20:28:07

cpio

Time of First Successful Submission: 2025-09-26 20:37:32

genisoimage

Time of First Successful Submission: 2025-09-26 21:33:16

env

Time of First Successful Submission: 2025-09-26 21:36:21

find

Time of First Successful Submission: 2025-09-26 21:50:44

make

Time of First Successful Submission: 2025-09-26 22:02:13

nice

Time of First Successful Submission: 2025-09-26 22:03:13

timeout

Time of First Successful Submission: 2025-09-26 22:03:56

stdbuf

Time of First Successful Submission: 2025-09-26 22:05:13

setarch

Time of First Successful Submission: 2025-09-26 22:07:57

watch

Time of First Successful Submission: 2025-09-26 22:08:49

socat

Time of First Successful Submission: 2025-09-26 22:13:14

whiptail

Time of First Successful Submission: 2025-09-26 22:15:39

awk

Time of First Successful Submission: 2025-09-26 22:17:32

sed

Time of First Successful Submission: 2025-09-26 22:18:24

ed

Time of First Successful Submission: 2025-09-26 22:20:36

chown

Time of First Successful Submission: 2025-09-26 22:21:26

chmod

Time of First Successful Submission: 2025-09-26 22:21:55

cp

Time of First Successful Submission: 2025-09-26 22:23:40

mv

Time of First Successful Submission: 2025-09-26 22:56:01

perl

Time of First Successful Submission: 2025-09-26 22:59:48

python

Time of First Successful Submission: 2025-09-27 00:37:29

ruby

Time of First Successful Submission: 2025-09-27 00:41:09

bash

Time of First Successful Submission: 2025-09-27 01:03:09

date

Time of First Successful Submission: 2025-09-27 01:04:58

dmesg

Time of First Successful Submission: 2025-09-27 01:05:51

wc

Time of First Successful Submission: 2025-09-27 01:07:19

gcc

Time of First Successful Submission: 2025-09-27 01:48:50

as

Time of First Successful Submission: 2025-09-27 01:49:30

wget

Time of First Successful Submission: 2025-09-27 02:00:03

ssh-keygen

Time of First Successful Submission: 2025-09-27 02:59:51

SQL Queries

Time of First Successful Submission: 2025-09-27 03:20:55

Filtering SQL

Time of First Successful Submission: 2025-09-27 03:26:51

Choosing Columns

Time of First Successful Submission: 2025-09-27 03:30:01

Exclusionary Filtering

Time of First Successful Submission: 2025-09-27 03:31:46

Filtering Strings

Time of First Successful Submission: 2025-09-27 03:32:46

Filtering on Expressions

Time of First Successful Submission: 2025-09-27 03:35:43

SELECTing Expressions

Time of First Successful Submission: 2025-09-27 03:57:28

Composite Conditions

Time of First Successful Submission: 2025-09-27 03:59:50

Reaching Your LIMITs

Time of First Successful Submission: 2025-09-27 04:03:34

Querying Metadata

Time of First Successful Submission: 2025-09-27 04:07:27

GCA CTF

11 / 102 3734 / 41366

Using the Terminal

Time of First Successful Submission: 2025-09-05 13:11:32

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-05 13:13:23

Using the GUI Desktop

Time of First Successful Submission: 2025-09-05 13:15:03

Pasting into the Desktop

Time of First Successful Submission: 2025-09-05 13:16:19

Restarting Challenges

Time of First Successful Submission: 2025-09-05 13:19:31

Getting Help

Time of First Successful Submission: 2025-09-05 13:26:30

Challenge Programs

Time of First Successful Submission: 2025-09-05 13:27:49

The Flag File

Time of First Successful Submission: 2025-09-05 13:29:23

Using Privileged Mode

Time of First Successful Submission: 2025-09-05 13:56:51

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-05 14:03:53

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-05 14:04:42