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pwn.college Archives

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Triple Dereference

Time of First Successful Submission: 2025-12-12 03:26:48


Intro to Programming Languages

15 / 234 6099 / 33108


Commands

Time of First Successful Submission: 2025-11-13 02:55:52

Command Arguments

Time of First Successful Submission: 2025-11-13 02:56:48

Command History

Time of First Successful Submission: 2025-11-13 02:57:18

The Root Path

Time of First Successful Submission: 2025-11-13 02:57:58

Absolute Paths

Time of First Successful Submission: 2025-11-13 02:58:22

Changing position

Time of First Successful Submission: 2025-11-13 02:59:05

Changing to an Absolute Path

Time of First Successful Submission: 2025-11-13 03:00:50

Relative Paths

Time of First Successful Submission: 2025-11-13 03:04:53

Cat

Time of First Successful Submission: 2025-11-13 08:30:04

Ls

Time of First Successful Submission: 2025-11-13 08:34:01

Ls All

Time of First Successful Submission: 2025-11-13 08:39:15

Find

Time of First Successful Submission: 2025-11-13 10:46:32

Piping Echo

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

Piping Stdout

Time of First Successful Submission: 2025-11-13 11:14:25

Piping Stdin

Time of First Successful Submission: 2025-11-13 11:17:33


Intro to Cybersecurity

183 / 183 192 / 20518


Path Traversal 1

Time of First Successful Submission: 2025-12-29 01:24:56

Path Traversal 2

Time of First Successful Submission: 2025-12-29 01:30:29

CMDi 1

Time of First Successful Submission: 2025-12-29 01:39:38

CMDi 2

Time of First Successful Submission: 2025-12-29 01:42:24

CMDi 3

Time of First Successful Submission: 2025-12-29 01:45:05

CMDi 4

Time of First Successful Submission: 2025-12-29 01:47:25

CMDi 5

Time of First Successful Submission: 2025-12-29 01:49:04

CMDi 6

Time of First Successful Submission: 2025-12-29 01:52:04

Authentication Bypass 1

Time of First Successful Submission: 2025-12-29 01:59:50

Authentication Bypass 2

Time of First Successful Submission: 2025-12-29 02:01:27

SQLi 1

Time of First Successful Submission: 2025-12-29 02:22:38

SQLi 2

Time of First Successful Submission: 2025-12-29 02:26:02

SQLi 3

Time of First Successful Submission: 2025-12-29 02:32:57

SQLi 4

Time of First Successful Submission: 2025-12-29 02:37:05

SQLi 5

Time of First Successful Submission: 2025-12-29 02:55:36

XSS 1

Time of First Successful Submission: 2025-12-29 03:01:30

XSS 2

Time of First Successful Submission: 2025-12-29 03:03:37

XSS 3

Time of First Successful Submission: 2025-12-29 03:06:42

XSS 4

Time of First Successful Submission: 2025-12-29 03:09:16

XSS 5

Time of First Successful Submission: 2025-12-29 03:24:47

XSS 6

Time of First Successful Submission: 2025-12-29 03:30:00

XSS 7

Time of First Successful Submission: 2025-12-29 03:37:52

CSRF 1

Time of First Successful Submission: 2025-12-29 04:31:07

CSRF 2

Time of First Successful Submission: 2025-12-29 04:36:13

CSRF 3

Time of First Successful Submission: 2025-12-29 04:43:33

CSRF 4

Time of First Successful Submission: 2025-12-29 04:52:33

CSRF 5

Time of First Successful Submission: 2025-12-29 05:08:49

Connect

Time of First Successful Submission: 2026-01-18 12:37:23

Send

Time of First Successful Submission: 2026-01-18 12:38:14

Shutdown

Time of First Successful Submission: 2026-01-18 12:41:21

Listen

Time of First Successful Submission: 2026-01-18 12:42:02

Scan 1

Time of First Successful Submission: 2026-01-18 12:49:36

Scan 2

Time of First Successful Submission: 2026-01-18 13:26:20

Monitor 1

Time of First Successful Submission: 2026-01-19 07:19:06

Monitor 2

Time of First Successful Submission: 2026-01-19 07:22:55

Sniffing Cookies

Time of First Successful Submission: 2026-01-19 07:28:19

Network Configuration

Time of First Successful Submission: 2026-01-19 07:33:32

Firewall 1

Time of First Successful Submission: 2026-01-19 07:36:09

Firewall 2

Time of First Successful Submission: 2026-01-19 07:38:01

Firewall 3

Time of First Successful Submission: 2026-01-19 07:47:53

Denial of Service 1

Time of First Successful Submission: 2026-01-19 08:16:53

Denial of Service 2

Time of First Successful Submission: 2026-01-19 08:27:33

Denial of Service 3

Time of First Successful Submission: 2026-01-19 08:51:15

Ethernet

Time of First Successful Submission: 2026-01-19 10:59:24

IP

Time of First Successful Submission: 2026-01-19 11:02:17

TCP

Time of First Successful Submission: 2026-01-19 11:04:00

TCP Handshake

Time of First Successful Submission: 2026-01-19 11:07:57

UDP

Time of First Successful Submission: 2026-01-19 11:12:23

UDP 2

Time of First Successful Submission: 2026-01-19 11:18:33

UDP Spoofing 1

Time of First Successful Submission: 2026-01-20 08:17:38

UDP Spoofing 2

Time of First Successful Submission: 2026-01-20 08:20:12

UDP Spoofing 3

Time of First Successful Submission: 2026-01-20 08:22:56

UDP Spoofing 4

Time of First Successful Submission: 2026-01-20 08:28:00

ARP

Time of First Successful Submission: 2026-01-20 08:32:55

Intercept

Time of First Successful Submission: 2026-01-20 08:35:52

Man-in-the-Middle

Time of First Successful Submission: 2026-01-20 08:58:57

XOR

Time of First Successful Submission: 2026-01-21 02:32:25

XORing Hex

Time of First Successful Submission: 2026-01-21 02:50:01

XORing ASCII

Time of First Successful Submission: 2026-01-21 02:57:36

XORing ASCII Strings

Time of First Successful Submission: 2026-01-21 03:01:56

One-time Pad

Time of First Successful Submission: 2026-01-21 03:05:32

One-time Pad Tampering

Time of First Successful Submission: 2026-01-21 03:38:15

Many-time Pad

Time of First Successful Submission: 2026-01-21 03:46:21

AES

Time of First Successful Submission: 2026-01-21 04:01:41

AES-ECB-CPA

Time of First Successful Submission: 2026-01-21 04:44:03

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-01-21 05:28:37

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-01-21 05:29:47

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-01-21 05:35:53

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-01-21 05:43:05

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-01-21 05:56:10

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-01-21 06:06:01

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-01-21 06:12:44

AES-CBC

Time of First Successful Submission: 2026-01-24 05:07:08

AES-CBC Tampering

Time of First Successful Submission: 2026-01-24 06:13:41

AES-CBC Resizing

Time of First Successful Submission: 2026-01-24 06:33:42

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-01-24 07:18:23

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-01-24 07:24:39

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-01-24 07:45:14

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-01-24 08:00:06

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-01-24 08:11:48

DHKE

Time of First Successful Submission: 2026-01-25 13:20:13

DHKE-to-AES

Time of First Successful Submission: 2026-01-26 02:36:33

RSA 1

Time of First Successful Submission: 2026-01-26 02:43:43

RSA 2

Time of First Successful Submission: 2026-01-26 02:48:03

RSA 3

Time of First Successful Submission: 2026-01-26 02:54:04

RSA 4

Time of First Successful Submission: 2026-01-26 02:56:20

RSA Signatures

Time of First Successful Submission: 2026-01-26 03:00:22

SHA 1

Time of First Successful Submission: 2026-01-27 03:28:59

SHA 2

Time of First Successful Submission: 2026-01-27 03:37:02

TLS 1

Time of First Successful Submission: 2026-01-27 03:46:16

TLS 2

Time of First Successful Submission: 2026-01-27 03:48:48

level1

Time of First Successful Submission: 2026-01-27 05:44:34

level2

Time of First Successful Submission: 2026-01-27 05:48:46

level3

Time of First Successful Submission: 2026-01-27 05:49:33

level4

Time of First Successful Submission: 2026-01-27 05:50:25

level5

Time of First Successful Submission: 2026-01-27 06:01:22

level6

Time of First Successful Submission: 2026-01-27 06:03:02

level7

Time of First Successful Submission: 2026-01-27 06:04:36

level8

Time of First Successful Submission: 2026-01-27 06:05:32

level9

Time of First Successful Submission: 2026-01-27 06:06:31

level10

Time of First Successful Submission: 2026-01-27 06:08:24

level11

Time of First Successful Submission: 2026-01-27 06:11:05

level12

Time of First Successful Submission: 2026-01-27 06:13:08

level13

Time of First Successful Submission: 2026-01-28 11:25:14

level14

Time of First Successful Submission: 2026-01-28 11:29:01

level15

Time of First Successful Submission: 2026-01-28 11:32:06

level16

Time of First Successful Submission: 2026-01-28 11:34:07

level17

Time of First Successful Submission: 2026-01-28 11:35:07

level18

Time of First Successful Submission: 2026-01-28 11:36:07

level19

Time of First Successful Submission: 2026-01-28 11:37:01

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-12-31 07:18:07

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-12-31 07:25:11

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-12-31 07:31:26

Reading Endianness (Python)

Time of First Successful Submission: 2025-12-31 07:38:18

Reading Endianness (C)

Time of First Successful Submission: 2025-12-31 07:39:47

Reading Endianness (x86)

Time of First Successful Submission: 2025-12-31 07:43:05

Version Information (Python)

Time of First Successful Submission: 2025-12-31 07:51:05

Version Information (C)

Time of First Successful Submission: 2025-12-31 07:53:23

Version Information (x86)

Time of First Successful Submission: 2025-12-31 07:56:54

Metadata and Data (Python)

Time of First Successful Submission: 2025-12-31 08:05:03

Metadata and Data (C)

Time of First Successful Submission: 2025-12-31 08:11:48

Metadata and Data (x86)

Time of First Successful Submission: 2025-12-31 08:16:04

Input Restrictions (Python)

Time of First Successful Submission: 2025-12-31 08:20:03

Input Restrictions (C)

Time of First Successful Submission: 2025-12-31 08:22:24

Input Restrictions (x86)

Time of First Successful Submission: 2025-12-31 08:30:50

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-12-31 08:37:05

Behold the cIMG! (C)

Time of First Successful Submission: 2025-12-31 08:39:26

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-12-31 08:44:17

A Basic cIMG (Python)

Time of First Successful Submission: 2025-12-31 08:56:25

A Basic cIMG (C)

Time of First Successful Submission: 2025-12-31 08:59:23

A Basic cIMG (x86)

Time of First Successful Submission: 2025-12-31 09:03:04

Internal State Mini (C)

Time of First Successful Submission: 2026-01-01 09:43:20

Internal State Mini (x86)

Time of First Successful Submission: 2026-01-01 09:58:04

Internal State (C)

Time of First Successful Submission: 2026-01-01 10:15:50

Internal State (x86)

Time of First Successful Submission: 2026-01-01 10:36:01

File Formats: Directives (C)

Time of First Successful Submission: 2026-01-01 10:41:33

File Formats: Directives (x86)

Time of First Successful Submission: 2026-01-01 10:46:29

The Patch Directive

Time of First Successful Submission: 2026-01-01 11:38:51

Optimizing for Space

Time of First Successful Submission: 2026-01-01 14:51:22

Tweaking Images

Time of First Successful Submission: 2026-01-01 15:37:28

Storage and Retrieval

Time of First Successful Submission: 2026-01-03 11:41:53

Extracting Knowledge

Time of First Successful Submission: 2026-01-03 12:31:21

Advanced Sprites

Time of First Successful Submission: 2026-01-03 13:18:23

Accessing Resources

Time of First Successful Submission: 2026-01-03 13:28:39

Unsafe Animations

Time of First Successful Submission: 2026-01-03 13:40:40

Animations

Time of First Successful Submission: 2026-01-03 13:54:07

Interoperability: Patching Data

Time of First Successful Submission: 2026-01-04 08:26:49

Patching Code

Time of First Successful Submission: 2026-01-04 09:09:55

Patching Control Flow

Time of First Successful Submission: 2026-01-04 10:03:52

Your First Overflow (easy)

Time of First Successful Submission: 2026-01-13 11:43:48

Your First Overflow (hard)

Time of First Successful Submission: 2026-01-13 11:49:03

Precision (easy)

Time of First Successful Submission: 2026-01-13 11:56:00

Precision (hard)

Time of First Successful Submission: 2026-01-13 12:20:00

Variable Control (easy)

Time of First Successful Submission: 2026-01-14 11:38:24

Variable Control (hard)

Time of First Successful Submission: 2026-01-14 11:44:14

Control Hijack (easy)

Time of First Successful Submission: 2026-01-14 12:09:58

Control Hijack (hard)

Time of First Successful Submission: 2026-01-14 12:15:58

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-01-14 12:32:39

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-01-14 12:37:14

PIEs (easy)

Time of First Successful Submission: 2026-01-14 12:56:00

PIEs (hard)

Time of First Successful Submission: 2026-01-14 13:00:27

String Lengths (easy)

Time of First Successful Submission: 2026-01-15 13:19:29

String Lengths (hard)

Time of First Successful Submission: 2026-01-16 06:51:13

Basic Shellcode

Time of First Successful Submission: 2026-01-16 07:36:48

NOP Sleds

Time of First Successful Submission: 2026-01-16 07:39:54

NULL-Free Shellcode

Time of First Successful Submission: 2026-01-16 07:44:11

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-01-17 07:24:38

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-01-17 07:29:49

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-01-17 07:47:29

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-01-17 08:46:12

ECB-to-Win (easy)

Time of First Successful Submission: 2026-01-30 12:51:00

ECB-to-Win (hard)

Time of First Successful Submission: 2026-04-01 02:58:58

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-04-01 03:31:56

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-04-02 09:46:27

CIMG Screenshots

Time of First Successful Submission: 2026-04-03 03:27:59

CIMG Screenshots 2

Time of First Successful Submission: 2026-04-08 02:43:53

Wily Webserver

Time of First Successful Submission: 2026-04-09 04:23:49

The Watering Hole

Time of First Successful Submission: 2026-04-15 06:20:51

Secure Chat 1

Time of First Successful Submission: 2026-04-15 07:12:10

Secure Chat 2

Time of First Successful Submission: 2026-04-16 02:58:52

Secure Chat 3

Time of First Successful Submission: 2026-04-17 02:53:47

Secure Chat 4

Time of First Successful Submission: 2026-04-21 01:35:31

Secure Chat 5

Time of First Successful Submission: 2026-04-21 02:15:55


Start Here

12 / 12 54 / 44784


Using the Terminal

Time of First Successful Submission: 2025-11-13 02:16:46

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-05 09:34:51

Using the GUI Desktop

Time of First Successful Submission: 2025-06-05 09:36:26

Pasting into the Desktop

Time of First Successful Submission: 2025-06-11 11:38:33

Restarting Challenges

Time of First Successful Submission: 2025-06-11 11:43:41

Challenge Programs

Time of First Successful Submission: 2025-06-11 11:50:34

The Flag File

Time of First Successful Submission: 2025-06-11 11:52:57

Using Privileged Mode

Time of First Successful Submission: 2025-11-13 02:50:13

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-13 02:52:57

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-13 02:54:41


Linux Luminarium

128 / 128 314 / 33539


Intro to Commands

Time of First Successful Submission: 2025-11-13 02:55:52

Intro to Arguments

Time of First Successful Submission: 2025-11-13 02:56:48

Command History

Time of First Successful Submission: 2025-11-13 02:57:18

The Root

Time of First Successful Submission: 2025-11-13 02:57:58

Program and absolute paths

Time of First Successful Submission: 2025-11-13 02:58:22

Position thy self

Time of First Successful Submission: 2025-11-13 02:59:05

Position elsewhere

Time of First Successful Submission: 2025-11-13 03:00:50

implicit relative paths, from /

Time of First Successful Submission: 2025-11-13 03:04:53

explicit relative paths, from /

Time of First Successful Submission: 2025-11-13 03:05:52

implicit relative path

Time of First Successful Submission: 2025-11-13 03:06:37

home sweet home

Time of First Successful Submission: 2025-11-13 03:08:31

cat: not the pet, but the command!

Time of First Successful Submission: 2025-11-13 08:30:04

catting absolute paths

Time of First Successful Submission: 2025-11-13 08:30:35

more catting practice

Time of First Successful Submission: 2025-11-13 08:31:10

grepping for a needle in a haystack

Time of First Successful Submission: 2025-11-13 08:31:50

comparing files

Time of First Successful Submission: 2025-11-13 08:33:06

listing files

Time of First Successful Submission: 2025-11-13 08:34:01

touching files

Time of First Successful Submission: 2025-11-13 08:36:36

removing files

Time of First Successful Submission: 2025-11-13 08:37:10

moving files

Time of First Successful Submission: 2025-11-13 08:38:00

copying files

Time of First Successful Submission: 2025-11-13 08:38:42

hidden files

Time of First Successful Submission: 2025-11-13 08:39:15

An Epic Filesystem Quest

Time of First Successful Submission: 2025-11-13 08:44:12

making directories

Time of First Successful Submission: 2025-11-13 08:44:52

finding files

Time of First Successful Submission: 2025-11-13 10:46:32

linking files

Time of First Successful Submission: 2025-11-13 10:49:13

Learning From Documentation

Time of First Successful Submission: 2025-11-13 10:50:06

Learning Complex Usage

Time of First Successful Submission: 2025-11-13 10:50:54

Reading Manuals

Time of First Successful Submission: 2025-11-13 10:53:51

Searching Manuals

Time of First Successful Submission: 2025-11-13 10:55:50

Searching For Manuals

Time of First Successful Submission: 2025-11-13 10:58:18

Helpful Programs

Time of First Successful Submission: 2025-11-13 10:59:26

Help for Builtins

Time of First Successful Submission: 2025-11-13 11:00:37

Matching with *

Time of First Successful Submission: 2025-11-13 11:02:19

Matching with ?

Time of First Successful Submission: 2025-11-13 11:02:54

Matching with []

Time of First Successful Submission: 2025-11-13 11:04:05

Matching paths with []

Time of First Successful Submission: 2025-11-13 11:04:53

Multiple globs

Time of First Successful Submission: 2025-11-13 11:05:47

Mixing globs

Time of First Successful Submission: 2025-11-13 11:08:38

Exclusionary globbing

Time of First Successful Submission: 2025-11-13 11:09:40

Tab completion

Time of First Successful Submission: 2025-11-13 11:10:41

Multiple options for tab completion

Time of First Successful Submission: 2025-11-13 11:11:44

Tab completion on commands

Time of First Successful Submission: 2025-11-13 11:12:08

Redirecting output

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

Redirecting more output

Time of First Successful Submission: 2025-11-13 11:14:25

Appending output

Time of First Successful Submission: 2025-11-13 11:15:44

Redirecting errors

Time of First Successful Submission: 2025-11-13 11:16:35

Redirecting input

Time of First Successful Submission: 2025-11-13 11:17:33

Grepping stored results

Time of First Successful Submission: 2025-11-13 11:19:12

Grepping live output

Time of First Successful Submission: 2025-11-13 11:19:41

Grepping errors

Time of First Successful Submission: 2025-11-13 11:20:34

Filtering with grep -v

Time of First Successful Submission: 2025-11-13 11:22:27

Filtering with sed

Time of First Successful Submission: 2025-11-13 11:23:40

Duplicating piped data with tee

Time of First Successful Submission: 2025-11-13 11:28:04

Process substitution for input

Time of First Successful Submission: 2025-11-13 11:30:04

Writing to multiple programs

Time of First Successful Submission: 2025-11-13 11:33:17

Split-piping stderr and stdout

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

Named pipes

Time of First Successful Submission: 2025-11-13 11:46:27

Printing Variables

Time of First Successful Submission: 2025-11-13 13:00:57

Setting Variables

Time of First Successful Submission: 2025-11-13 13:01:36

Multi-word Variables

Time of First Successful Submission: 2025-11-13 13:04:00

Exporting Variables

Time of First Successful Submission: 2025-11-13 13:05:49

Printing Exported Variables

Time of First Successful Submission: 2025-11-13 13:06:12

Storing Command Output

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

Reading Input

Time of First Successful Submission: 2025-11-13 13:08:46

Reading Files

Time of First Successful Submission: 2025-11-13 13:09:55

Translating characters

Time of First Successful Submission: 2025-11-13 13:14:57

Deleting characters

Time of First Successful Submission: 2025-11-13 13:15:57

Deleting newlines

Time of First Successful Submission: 2025-11-13 13:16:57

Extracting the first lines with head

Time of First Successful Submission: 2025-11-13 13:17:37

Extracting specific sections of text

Time of First Successful Submission: 2025-11-13 13:19:20

Sorting data

Time of First Successful Submission: 2025-11-13 13:19:58

Listing Processes

Time of First Successful Submission: 2025-11-13 13:25:44

Killing Processes

Time of First Successful Submission: 2025-11-13 13:26:34

Interrupting Processes

Time of First Successful Submission: 2025-11-13 13:26:59

Killing Misbehaving Processes

Time of First Successful Submission: 2025-11-13 13:28:32

Suspending Processes

Time of First Successful Submission: 2025-11-13 13:29:02

Resuming Processes

Time of First Successful Submission: 2025-11-13 13:29:53

Backgrounding Processes

Time of First Successful Submission: 2025-11-13 13:31:57

Foregrounding Processes

Time of First Successful Submission: 2025-11-13 13:36:04

Starting Backgrounded Processes

Time of First Successful Submission: 2025-11-13 13:37:35

Process Exit Codes

Time of First Successful Submission: 2025-11-13 13:38:46

Becoming root with su

Time of First Successful Submission: 2025-11-13 13:40:04

Other users with su

Time of First Successful Submission: 2025-11-13 13:40:50

Cracking passwords

Time of First Successful Submission: 2025-11-13 13:43:34

Using sudo

Time of First Successful Submission: 2025-11-13 13:44:22

Changing File Ownership

Time of First Successful Submission: 2025-11-13 13:47:17

Groups and Files

Time of First Successful Submission: 2025-11-13 13:50:44

Fun With Groups Names

Time of First Successful Submission: 2025-11-13 13:51:30

Changing Permissions

Time of First Successful Submission: 2025-11-13 13:52:34

Executable Files

Time of First Successful Submission: 2025-11-13 13:53:08

Permission Tweaking Practice

Time of First Successful Submission: 2025-11-13 13:56:38

Permissions Setting Practice

Time of First Successful Submission: 2025-11-13 13:59:42

The SUID Bit

Time of First Successful Submission: 2025-11-13 14:00:30

Chaining with Semicolons

Time of First Successful Submission: 2025-11-13 14:01:42

Building on Success

Time of First Successful Submission: 2025-11-13 14:02:34

Handling Failure

Time of First Successful Submission: 2025-11-13 14:03:15

Your First Shell Script

Time of First Successful Submission: 2025-11-13 14:04:29

Redirecting Script Output

Time of First Successful Submission: 2025-11-13 14:05:41

Executable Shell Scripts

Time of First Successful Submission: 2025-11-13 14:06:58

Understanding Shebangs

Time of First Successful Submission: 2025-11-13 14:08:47

Scripting with Arguments

Time of First Successful Submission: 2025-11-13 14:11:12

Scripting with Conditionals

Time of First Successful Submission: 2025-11-13 14:14:55

Scripting with Default Cases

Time of First Successful Submission: 2025-11-13 14:16:21

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-11-13 14:18:48

Reading Shell Scripts

Time of First Successful Submission: 2025-11-13 14:19:45

Launching Screen

Time of First Successful Submission: 2025-11-13 14:20:46

Detaching and Attaching

Time of First Successful Submission: 2025-11-13 14:24:21

Finding Sessions

Time of First Successful Submission: 2025-11-13 14:31:00

Switching Windows

Time of First Successful Submission: 2025-11-13 14:34:17

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-11-13 14:37:49

Switching Windows (tmux)

Time of First Successful Submission: 2025-11-13 14:38:36

The PATH Variable

Time of First Successful Submission: 2025-11-13 14:39:49

Setting PATH

Time of First Successful Submission: 2025-11-13 14:40:50

Finding Commands

Time of First Successful Submission: 2025-11-13 14:46:54

Adding Commands

Time of First Successful Submission: 2025-11-13 14:50:28

Hijacking Commands

Time of First Successful Submission: 2025-11-13 14:51:45

Bashrc Backdoor

Time of First Successful Submission: 2025-11-13 14:53:39

Sniffing Input

Time of First Successful Submission: 2025-11-13 14:58:28

Overshared Directories

Time of First Successful Submission: 2025-11-13 15:00:15

Tricky Linking

Time of First Successful Submission: 2025-11-13 15:06:48

Sniffing Process Arguments

Time of First Successful Submission: 2025-11-13 15:10:04

Snooping on Configurations

Time of First Successful Submission: 2025-11-13 15:11:34

The Fork Bomb

Time of First Successful Submission: 2025-11-13 15:16:35

Disk-Space Doomsday

Time of First Successful Submission: 2025-11-13 15:20:41

rm -rf /

Time of First Successful Submission: 2025-11-13 15:27:25

Life after rm -rf /

Time of First Successful Submission: 2025-11-13 15:31:49

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-11-13 15:35:40


Computing 101

94 / 94 335 / 22133


Your First Register

Time of First Successful Submission: 2025-12-12 02:42:15

Your First Syscall

Time of First Successful Submission: 2025-12-12 02:45:41

Exit Codes

Time of First Successful Submission: 2025-12-12 02:47:46

Building Executables

Time of First Successful Submission: 2025-12-12 02:57:31

Moving Between Registers

Time of First Successful Submission: 2025-12-12 03:00:08

Loading From Memory

Time of First Successful Submission: 2025-12-12 03:11:45

More Loading Practice

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

Dereferencing Pointers

Time of First Successful Submission: 2025-12-12 03:15:56

Dereferencing Yourself

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

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-12 03:19:20

Stored Addresses

Time of First Successful Submission: 2025-12-12 03:22:21

Double Dereference

Time of First Successful Submission: 2025-12-12 03:25:38

The Stack

Time of First Successful Submission: 2026-03-31 00:42:36

Stack Offsets

Time of First Successful Submission: 2026-03-31 00:46:19

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-31 00:53:01

Popping From the Stack

Time of First Successful Submission: 2026-03-31 00:55:19

Disassembling Programs

Time of First Successful Submission: 2026-03-31 00:58:28

Tracing Syscalls

Time of First Successful Submission: 2025-12-12 03:05:04

Starting GDB

Time of First Successful Submission: 2025-12-12 03:06:40

Quitting GDB

Time of First Successful Submission: 2026-03-31 00:59:45

Starting Programs in GDB

Time of First Successful Submission: 2025-12-12 03:08:10

Disassembling in GDB

Time of First Successful Submission: 2026-03-31 01:01:38

Stepping Through Instructions

Time of First Successful Submission: 2026-03-31 01:03:30

Reading Register Values

Time of First Successful Submission: 2026-03-31 01:04:38

Popping Stack Values

Time of First Successful Submission: 2026-03-31 01:06:05

Examining Memory

Time of First Successful Submission: 2026-03-31 01:07:21

Examining Stack Pointers

Time of First Successful Submission: 2026-03-31 01:08:55

Cooperative Debugging

Time of First Successful Submission: 2026-03-31 01:13:59

Writing Output

Time of First Successful Submission: 2025-12-12 03:35:21

Chaining Syscalls

Time of First Successful Submission: 2025-12-12 03:36:23

Writing Strings

Time of First Successful Submission: 2025-12-12 03:37:05

Reading Data

Time of First Successful Submission: 2025-12-12 03:48:27

Opening Files

Time of First Successful Submission: 2026-03-31 01:25:51

Hardcoding the Filename

Time of First Successful Submission: 2026-03-31 01:32:39

Comparing Values

Time of First Successful Submission: 2026-03-31 01:43:49

Comparing Characters

Time of First Successful Submission: 2026-03-31 01:47:59

Conditional Control Flow

Time of First Successful Submission: 2026-03-31 01:51:16

Comparing Strings

Time of First Successful Submission: 2026-03-31 01:52:55

Reverse the Password

Time of First Successful Submission: 2026-03-31 01:56:00

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-31 02:08:15

Looping

Time of First Successful Submission: 2026-03-31 02:12:55

Reverse the Calculation

Time of First Successful Submission: 2026-03-31 02:17:55

Reverse the Reverse

Time of First Successful Submission: 2026-03-31 02:30:03

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-03-31 02:25:36

Loops on Data

Time of First Successful Submission: 2026-03-31 02:28:40

set-register

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

set-multiple-registers

Time of First Successful Submission: 2025-12-12 06:07:52

add-to-register

Time of First Successful Submission: 2025-12-12 06:13:09

linear-equation-registers

Time of First Successful Submission: 2025-12-12 06:14:47

integer-division

Time of First Successful Submission: 2025-12-12 06:20:57

modulo-operation

Time of First Successful Submission: 2025-12-12 06:30:39

set-upper-byte

Time of First Successful Submission: 2025-12-12 06:32:42

efficient-modulo

Time of First Successful Submission: 2025-12-12 06:40:10

byte-extraction

Time of First Successful Submission: 2025-12-12 06:50:19

bitwise-and

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

check-even

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

memory-read

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

memory-write

Time of First Successful Submission: 2025-12-12 07:16:39

memory-increment

Time of First Successful Submission: 2025-12-12 07:19:16

byte-access

Time of First Successful Submission: 2025-12-12 07:21:42

memory-size-access

Time of First Successful Submission: 2025-12-12 07:23:31

little-endian-write

Time of First Successful Submission: 2025-12-12 07:27:37

memory-sum

Time of First Successful Submission: 2025-12-12 07:33:29

stack-subtraction

Time of First Successful Submission: 2025-12-12 08:36:51

swap-stack-values

Time of First Successful Submission: 2025-12-12 08:38:20

average-stack-values

Time of First Successful Submission: 2025-12-12 08:43:04

absolute-jump

Time of First Successful Submission: 2025-12-12 08:47:57

relative-jump

Time of First Successful Submission: 2025-12-12 08:53:18

jump-trampoline

Time of First Successful Submission: 2025-12-12 08:57:04

conditional-jump

Time of First Successful Submission: 2025-12-12 09:21:07

indirect-jump

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

average-loop

Time of First Successful Submission: 2025-12-12 12:27:29

count-non-zero

Time of First Successful Submission: 2025-12-12 12:44:41

string-lower

Time of First Successful Submission: 2025-12-12 13:25:08

most-common-byte

Time of First Successful Submission: 2025-12-12 13:50:35

Exit

Time of First Successful Submission: 2025-12-24 11:16:53

Socket

Time of First Successful Submission: 2025-12-24 11:30:03

Bind

Time of First Successful Submission: 2025-12-24 11:45:58

Listen

Time of First Successful Submission: 2025-12-24 11:50:03

Accept

Time of First Successful Submission: 2025-12-24 11:59:30

Static Response

Time of First Successful Submission: 2025-12-24 12:08:05

Dynamic Response

Time of First Successful Submission: 2025-12-24 12:38:01

Iterative GET Server

Time of First Successful Submission: 2025-12-24 12:47:06

Concurrent GET Server

Time of First Successful Submission: 2025-12-24 12:52:22

Concurrent POST Server

Time of First Successful Submission: 2025-12-24 13:02:24

Web Server

Time of First Successful Submission: 2025-12-24 13:08:37

Debugging Programs

Time of First Successful Submission: 2025-12-12 13:59:06

Inspecting Registers

Time of First Successful Submission: 2025-12-12 14:01:45

Examining Memory

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

Setting Breakpoints

Time of First Successful Submission: 2025-12-12 14:37:13

GDB Scripting

Time of First Successful Submission: 2025-12-13 13:27:03

Modifying Data

Time of First Successful Submission: 2025-12-13 13:34:55

Modifying Execution

Time of First Successful Submission: 2025-12-13 13:40:36

Broken Functions

Time of First Successful Submission: 2025-12-13 13:50:07


Playing With Programs

116 / 116 615 / 23654


What's the password?

Time of First Successful Submission: 2025-12-25 11:13:33

... and again!

Time of First Successful Submission: 2025-12-25 11:14:26

Newline Troubles

Time of First Successful Submission: 2025-12-25 11:19:46

Reasoning about files

Time of First Successful Submission: 2025-12-25 11:21:52

Specifying Filenames

Time of First Successful Submission: 2025-12-25 11:23:00

Binary and Hex Encoding

Time of First Successful Submission: 2025-12-25 11:40:14

More Hex

Time of First Successful Submission: 2025-12-25 11:43:29

Decoding Hex

Time of First Successful Submission: 2025-12-25 11:52:43

Decoding Practice

Time of First Successful Submission: 2025-12-25 11:57:46

Encoding Practice

Time of First Successful Submission: 2025-12-25 12:11:41

Hex-encoding ASCII

Time of First Successful Submission: 2025-12-25 12:24:29

Nested Encoding

Time of First Successful Submission: 2025-12-25 12:28:05

Hex-encoding UTF-8

Time of First Successful Submission: 2025-12-25 12:31:25

UTF Mixups

Time of First Successful Submission: 2025-12-25 12:36:07

Modifying Encoded Data

Time of First Successful Submission: 2025-12-25 12:40:17

Decoding Base64

Time of First Successful Submission: 2025-12-25 12:48:38

Encoding Base64

Time of First Successful Submission: 2025-12-25 12:51:54

Dealing with Obfuscation

Time of First Successful Submission: 2025-12-25 13:02:22

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-12-25 13:05:41

Your First HTTP Request

Time of First Successful Submission: 2025-12-26 08:00:27

Reading Flask

Time of First Successful Submission: 2025-12-26 08:03:06

Commented Data

Time of First Successful Submission: 2025-12-26 08:04:29

HTTP Metadata

Time of First Successful Submission: 2025-12-26 08:06:28

HTTP (netcat)

Time of First Successful Submission: 2025-12-26 08:08:35

HTTP Paths (netcat)

Time of First Successful Submission: 2025-12-26 08:10:09

HTTP (curl)

Time of First Successful Submission: 2025-12-26 08:11:13

HTTP (python)

Time of First Successful Submission: 2025-12-26 08:13:44

HTTP Host Header (python)

Time of First Successful Submission: 2025-12-26 08:18:36

HTTP Host Header (curl)

Time of First Successful Submission: 2025-12-26 08:20:48

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-12-26 08:23:10

URL Encoding (netcat)

Time of First Successful Submission: 2025-12-26 08:31:18

HTTP GET Parameters

Time of First Successful Submission: 2025-12-26 08:33:59

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-12-26 08:36:10

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-12-26 08:38:08

HTTP Forms

Time of First Successful Submission: 2025-12-26 08:41:17

HTTP Forms (curl)

Time of First Successful Submission: 2025-12-26 08:43:30

HTTP Forms (netcat)

Time of First Successful Submission: 2025-12-26 08:48:13

HTTP Forms (python)

Time of First Successful Submission: 2025-12-26 08:49:46

HTTP Forms Without Forms

Time of First Successful Submission: 2025-12-26 08:51:37

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-12-26 08:53:37

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-12-26 08:56:11

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-12-26 10:07:11

HTTP Redirects (curl)

Time of First Successful Submission: 2025-12-26 10:09:14

HTTP Redirects (python)

Time of First Successful Submission: 2025-12-26 10:10:48

HTTP Cookies (curl)

Time of First Successful Submission: 2025-12-26 10:16:26

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-12-26 10:18:12

HTTP Cookies (python)

Time of First Successful Submission: 2025-12-26 10:20:39

Server State (python)

Time of First Successful Submission: 2025-12-26 10:24:55

Listening Web

Time of First Successful Submission: 2025-12-26 10:26:50

Speaking Redirects

Time of First Successful Submission: 2025-12-26 10:32:39

JavaScript Redirects

Time of First Successful Submission: 2025-12-26 10:37:08

Including JavaScript

Time of First Successful Submission: 2025-12-26 10:44:41

HTTP (javascript)

Time of First Successful Submission: 2025-12-26 11:00:31

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-12-26 11:06:09

HTTP Forms (javascript)

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

cat

Time of First Successful Submission: 2025-12-27 08:29:33

more

Time of First Successful Submission: 2025-12-27 08:30:20

less

Time of First Successful Submission: 2025-12-27 08:31:29

tail

Time of First Successful Submission: 2025-12-27 08:32:56

head

Time of First Successful Submission: 2025-12-27 08:34:31

sort

Time of First Successful Submission: 2025-12-27 08:43:13

vim

Time of First Successful Submission: 2025-12-27 08:46:17

emacs

Time of First Successful Submission: 2025-12-27 08:50:46

nano

Time of First Successful Submission: 2025-12-27 08:54:39

rev

Time of First Successful Submission: 2025-12-27 08:55:16

od

Time of First Successful Submission: 2025-12-27 08:58:31

hd

Time of First Successful Submission: 2025-12-27 08:59:48

xxd

Time of First Successful Submission: 2025-12-27 09:00:32

base32

Time of First Successful Submission: 2025-12-27 09:00:58

base64

Time of First Successful Submission: 2025-12-27 09:01:51

split

Time of First Successful Submission: 2025-12-27 09:03:59

gzip

Time of First Successful Submission: 2025-12-27 09:06:14

bzip2

Time of First Successful Submission: 2025-12-27 09:07:01

zip

Time of First Successful Submission: 2025-12-27 09:09:43

tar

Time of First Successful Submission: 2025-12-27 09:12:28

ar

Time of First Successful Submission: 2025-12-27 09:13:44

cpio

Time of First Successful Submission: 2025-12-27 09:17:36

genisoimage

Time of First Successful Submission: 2025-12-27 09:19:35

env

Time of First Successful Submission: 2025-12-27 09:21:14

find

Time of First Successful Submission: 2025-12-27 09:22:16

make

Time of First Successful Submission: 2025-12-27 09:23:33

nice

Time of First Successful Submission: 2025-12-27 09:24:07

timeout

Time of First Successful Submission: 2025-12-27 09:24:43

stdbuf

Time of First Successful Submission: 2025-12-27 09:25:16

setarch

Time of First Successful Submission: 2025-12-27 09:25:58

watch

Time of First Successful Submission: 2025-12-27 09:27:00

socat

Time of First Successful Submission: 2025-12-27 09:32:43

whiptail

Time of First Successful Submission: 2025-12-27 09:36:48

awk

Time of First Successful Submission: 2025-12-28 07:17:28

sed

Time of First Successful Submission: 2025-12-28 07:18:49

ed

Time of First Successful Submission: 2025-12-28 07:20:06

chown

Time of First Successful Submission: 2025-12-28 07:25:01

chmod

Time of First Successful Submission: 2025-12-28 07:25:49

cp

Time of First Successful Submission: 2025-12-28 07:31:07

mv

Time of First Successful Submission: 2025-12-28 07:52:19

perl

Time of First Successful Submission: 2025-12-28 07:57:55

python

Time of First Successful Submission: 2025-12-28 07:59:00

ruby

Time of First Successful Submission: 2025-12-28 08:02:25

bash

Time of First Successful Submission: 2025-12-28 08:03:40

date

Time of First Successful Submission: 2025-12-28 08:04:29

dmesg

Time of First Successful Submission: 2025-12-28 08:05:44

wc

Time of First Successful Submission: 2025-12-28 08:07:06

gcc

Time of First Successful Submission: 2025-12-28 08:08:12

as

Time of First Successful Submission: 2025-12-28 08:09:24

wget

Time of First Successful Submission: 2025-12-28 08:11:39

ssh-keygen

Time of First Successful Submission: 2025-12-28 08:19:26

SQL Queries

Time of First Successful Submission: 2025-12-28 08:30:29

Filtering SQL

Time of First Successful Submission: 2025-12-28 08:33:59

Choosing Columns

Time of First Successful Submission: 2025-12-28 08:35:31

Exclusionary Filtering

Time of First Successful Submission: 2025-12-28 08:40:06

Filtering Strings

Time of First Successful Submission: 2025-12-28 08:41:34

Filtering on Expressions

Time of First Successful Submission: 2025-12-28 08:43:27

SELECTing Expressions

Time of First Successful Submission: 2025-12-28 08:47:43

Composite Conditions

Time of First Successful Submission: 2025-12-28 08:49:48

Reaching Your LIMITs

Time of First Successful Submission: 2025-12-28 08:53:00

Querying Metadata

Time of First Successful Submission: 2025-12-28 08:55:28


GCA CTF

12 / 104 401 / 45065


Using the Terminal

Time of First Successful Submission: 2025-11-13 02:16:46

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-05 09:34:51

Using the GUI Desktop

Time of First Successful Submission: 2025-06-05 09:36:26

Pasting into the Desktop

Time of First Successful Submission: 2025-06-11 11:38:33

Connecting over SSH

Time of First Successful Submission: 2025-11-13 02:33:23

Restarting Challenges

Time of First Successful Submission: 2025-06-11 11:43:41

Getting Help

Time of First Successful Submission: 2025-11-13 02:42:33

Challenge Programs

Time of First Successful Submission: 2025-06-11 11:50:34

The Flag File

Time of First Successful Submission: 2025-06-11 11:52:57

Using Privileged Mode

Time of First Successful Submission: 2025-11-13 02:50:13

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-13 02:52:57

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-13 02:54:41