sbrk

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Georgia

Advent of Pwn

1 / 12 460 / 539

Day 01

Time of First Successful Submission: 2025-12-05 11:32:01

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-09-10 15:53:45

Command Arguments

Time of First Successful Submission: 2025-09-10 15:55:27

Command History

Time of First Successful Submission: 2025-09-10 15:57:46

The Root Path

Time of First Successful Submission: 2025-09-10 16:00:58

Absolute Paths

Time of First Successful Submission: 2025-09-10 16:02:10

Changing position

Time of First Successful Submission: 2025-09-10 16:05:31

Changing to an Absolute Path

Time of First Successful Submission: 2025-09-11 09:36:14

Relative Paths

Time of First Successful Submission: 2025-09-11 09:46:25

Cat

Time of First Successful Submission: 2025-09-11 10:13:02

Ls

Time of First Successful Submission: 2025-09-11 10:34:49

Ls All

Time of First Successful Submission: 2025-09-11 10:39:36

Find

Time of First Successful Submission: 2025-09-11 10:58:54

Piping Echo

Time of First Successful Submission: 2025-09-11 19:30:48

Piping Stdout

Time of First Successful Submission: 2025-09-11 19:34:34

Piping Stdin

Time of First Successful Submission: 2025-09-11 19:53:21

Intro to Cybersecurity

183 / 183 134 / 18090

Path Traversal 1

Time of First Successful Submission: 2025-09-14 17:41:11

Path Traversal 2

Time of First Successful Submission: 2025-09-14 18:06:54

CMDi 1

Time of First Successful Submission: 2025-09-14 18:54:11

CMDi 2

Time of First Successful Submission: 2025-09-14 19:02:46

CMDi 3

Time of First Successful Submission: 2025-09-14 19:12:48

CMDi 4

Time of First Successful Submission: 2025-09-14 19:18:17

CMDi 5

Time of First Successful Submission: 2025-09-14 19:23:41

CMDi 6

Time of First Successful Submission: 2025-09-28 05:43:54

Authentication Bypass 1

Time of First Successful Submission: 2025-09-14 19:53:38

Authentication Bypass 2

Time of First Successful Submission: 2025-09-14 19:57:28

SQLi 1

Time of First Successful Submission: 2025-09-15 05:10:02

SQLi 2

Time of First Successful Submission: 2025-09-15 13:56:12

SQLi 3

Time of First Successful Submission: 2025-09-15 14:38:54

SQLi 4

Time of First Successful Submission: 2025-09-15 15:06:57

SQLi 5

Time of First Successful Submission: 2025-09-16 04:52:40

XSS 1

Time of First Successful Submission: 2025-09-16 18:54:50

XSS 2

Time of First Successful Submission: 2025-09-16 19:20:43

XSS 3

Time of First Successful Submission: 2025-09-17 06:11:47

XSS 4

Time of First Successful Submission: 2025-09-17 07:41:23

XSS 5

Time of First Successful Submission: 2025-09-17 18:50:51

XSS 6

Time of First Successful Submission: 2025-09-17 20:33:42

XSS 7

Time of First Successful Submission: 2025-09-18 05:06:25

CSRF 1

Time of First Successful Submission: 2025-09-18 19:50:03

CSRF 2

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

CSRF 3

Time of First Successful Submission: 2025-09-19 06:00:30

CSRF 4

Time of First Successful Submission: 2025-09-19 07:09:40

CSRF 5

Time of First Successful Submission: 2025-09-19 07:32:26

Connect

Time of First Successful Submission: 2025-11-14 08:54:05

Send

Time of First Successful Submission: 2025-11-14 09:02:06

Shutdown

Time of First Successful Submission: 2025-11-14 19:29:50

Listen

Time of First Successful Submission: 2025-11-16 14:22:11

Scan 1

Time of First Successful Submission: 2025-11-16 16:46:53

Scan 2

Time of First Successful Submission: 2025-11-16 18:42:34

Monitor 1

Time of First Successful Submission: 2025-11-16 18:53:26

Monitor 2

Time of First Successful Submission: 2025-11-16 20:09:52

Sniffing Cookies

Time of First Successful Submission: 2025-11-16 20:27:31

Network Configuration

Time of First Successful Submission: 2025-11-16 20:35:55

Firewall 1

Time of First Successful Submission: 2025-11-16 20:48:38

Firewall 2

Time of First Successful Submission: 2025-11-17 08:18:45

Firewall 3

Time of First Successful Submission: 2025-11-17 09:30:11

Denial of Service 1

Time of First Successful Submission: 2025-11-17 12:49:22

Denial of Service 2

Time of First Successful Submission: 2025-11-17 13:03:45

Denial of Service 3

Time of First Successful Submission: 2025-11-28 05:45:44

Ethernet

Time of First Successful Submission: 2025-11-17 21:01:24

IP

Time of First Successful Submission: 2025-11-21 14:53:31

TCP

Time of First Successful Submission: 2025-11-21 15:31:30

TCP Handshake

Time of First Successful Submission: 2025-11-21 16:31:30

UDP

Time of First Successful Submission: 2025-11-21 17:32:34

UDP 2

Time of First Successful Submission: 2025-11-21 18:10:52

UDP Spoofing 1

Time of First Successful Submission: 2025-11-21 18:22:12

UDP Spoofing 2

Time of First Successful Submission: 2025-11-21 18:29:29

UDP Spoofing 3

Time of First Successful Submission: 2025-11-21 20:06:53

UDP Spoofing 4

Time of First Successful Submission: 2025-11-21 20:36:45

ARP

Time of First Successful Submission: 2025-11-21 20:57:46

Intercept

Time of First Successful Submission: 2025-11-22 07:43:07

Man-in-the-Middle

Time of First Successful Submission: 2025-11-24 18:21:02

XOR

Time of First Successful Submission: 2025-12-04 18:56:05

XORing Hex

Time of First Successful Submission: 2025-12-04 19:11:18

XORing ASCII

Time of First Successful Submission: 2025-12-04 19:43:54

XORing ASCII Strings

Time of First Successful Submission: 2025-12-04 20:05:44

One-time Pad

Time of First Successful Submission: 2025-12-05 05:27:08

One-time Pad Tampering

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

Many-time Pad

Time of First Successful Submission: 2025-12-05 06:20:40

AES

Time of First Successful Submission: 2025-12-05 07:35:45

AES-ECB-CPA

Time of First Successful Submission: 2025-12-05 13:20:09

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-12-05 14:14:01

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-12-06 07:16:51

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-12-06 07:48:54

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-12-06 16:20:31

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-12-06 16:30:57

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-12-06 16:39:25

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-12-07 18:36:48

AES-CBC

Time of First Successful Submission: 2025-12-08 18:10:37

AES-CBC Tampering

Time of First Successful Submission: 2025-12-08 19:01:34

AES-CBC Resizing

Time of First Successful Submission: 2025-12-08 19:07:45

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-12-09 07:50:49

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-12-09 08:16:35

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-12-09 09:31:38

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-12-09 10:56:33

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-12-09 10:58:43

DHKE

Time of First Successful Submission: 2025-12-09 19:21:07

DHKE-to-AES

Time of First Successful Submission: 2025-12-09 20:13:50

RSA 1

Time of First Successful Submission: 2025-12-10 16:16:30

RSA 2

Time of First Successful Submission: 2025-12-10 16:38:36

RSA 3

Time of First Successful Submission: 2025-12-10 16:55:21

RSA 4

Time of First Successful Submission: 2025-12-10 17:30:37

RSA Signatures

Time of First Successful Submission: 2025-12-10 18:25:29

SHA 1

Time of First Successful Submission: 2025-12-10 19:14:23

SHA 2

Time of First Successful Submission: 2025-12-10 19:38:05

TLS 1

Time of First Successful Submission: 2025-12-11 10:56:56

TLS 2

Time of First Successful Submission: 2025-12-11 18:32:33

level1

Time of First Successful Submission: 2025-10-07 10:21:35

level2

Time of First Successful Submission: 2025-10-07 10:22:05

level3

Time of First Successful Submission: 2025-10-07 10:22:39

level4

Time of First Successful Submission: 2025-10-07 10:23:01

level5

Time of First Successful Submission: 2025-10-07 10:24:43

level6

Time of First Successful Submission: 2026-01-25 13:33:06

level7

Time of First Successful Submission: 2026-01-25 13:40:20

level8

Time of First Successful Submission: 2026-01-25 13:41:29

level9

Time of First Successful Submission: 2026-01-25 13:42:14

level10

Time of First Successful Submission: 2026-01-25 13:57:15

level11

Time of First Successful Submission: 2026-01-25 14:05:22

level12

Time of First Successful Submission: 2026-01-25 14:07:31

level13

Time of First Successful Submission: 2026-01-25 14:12:35

level14

Time of First Successful Submission: 2026-01-25 14:49:59

level15

Time of First Successful Submission: 2026-01-25 14:51:09

level16

Time of First Successful Submission: 2026-01-25 14:52:20

level17

Time of First Successful Submission: 2026-01-25 15:30:06

level18

Time of First Successful Submission: 2026-01-25 15:32:27

level19

Time of First Successful Submission: 2026-01-25 15:41:42

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-09-29 04:49:15

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-09-29 05:14:33

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-09-29 05:19:31

Reading Endianness (Python)

Time of First Successful Submission: 2025-10-27 10:56:45

Reading Endianness (C)

Time of First Successful Submission: 2025-10-27 11:03:12

Reading Endianness (x86)

Time of First Successful Submission: 2025-09-29 12:28:31

Version Information (Python)

Time of First Successful Submission: 2025-10-27 11:10:56

Version Information (C)

Time of First Successful Submission: 2025-10-27 11:25:53

Version Information (x86)

Time of First Successful Submission: 2025-09-29 13:00:03

Metadata and Data (Python)

Time of First Successful Submission: 2025-10-27 11:43:26

Metadata and Data (C)

Time of First Successful Submission: 2025-10-27 11:49:20

Metadata and Data (x86)

Time of First Successful Submission: 2025-09-29 13:55:49

Input Restrictions (Python)

Time of First Successful Submission: 2025-10-27 12:14:23

Input Restrictions (C)

Time of First Successful Submission: 2025-10-27 12:18:38

Input Restrictions (x86)

Time of First Successful Submission: 2025-09-29 16:43:12

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-10-27 12:30:50

Behold the cIMG! (C)

Time of First Successful Submission: 2025-10-27 12:36:50

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-09-29 17:50:59

A Basic cIMG (Python)

Time of First Successful Submission: 2025-10-27 12:57:58

A Basic cIMG (C)

Time of First Successful Submission: 2025-10-27 19:53:58

A Basic cIMG (x86)

Time of First Successful Submission: 2025-09-29 18:43:15

Internal State Mini (C)

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

Internal State Mini (x86)

Time of First Successful Submission: 2025-10-03 08:19:07

Internal State (C)

Time of First Successful Submission: 2025-10-28 08:04:46

Internal State (x86)

Time of First Successful Submission: 2025-10-03 20:30:34

File Formats: Directives (C)

Time of First Successful Submission: 2025-10-28 08:34:02

File Formats: Directives (x86)

Time of First Successful Submission: 2025-10-04 07:15:57

The Patch Directive

Time of First Successful Submission: 2025-10-31 05:49:41

Optimizing for Space

Time of First Successful Submission: 2025-10-31 09:07:42

Tweaking Images

Time of First Successful Submission: 2025-10-31 14:57:32

Storage and Retrieval

Time of First Successful Submission: 2025-11-01 09:51:32

Extracting Knowledge

Time of First Successful Submission: 2025-11-01 17:45:01

Advanced Sprites

Time of First Successful Submission: 2025-11-03 21:15:40

Accessing Resources

Time of First Successful Submission: 2025-11-04 09:48:58

Unsafe Animations

Time of First Successful Submission: 2025-11-04 21:09:50

Animations

Time of First Successful Submission: 2025-11-05 13:58:16

Interoperability: Patching Data

Time of First Successful Submission: 2025-11-05 20:54:55

Patching Code

Time of First Successful Submission: 2025-11-06 05:29:56

Patching Control Flow

Time of First Successful Submission: 2025-11-06 14:18:12

Your First Overflow (easy)

Time of First Successful Submission: 2025-11-07 18:17:45

Your First Overflow (hard)

Time of First Successful Submission: 2025-11-07 18:49:12

Precision (easy)

Time of First Successful Submission: 2025-11-13 10:18:16

Precision (hard)

Time of First Successful Submission: 2025-11-07 19:10:22

Variable Control (easy)

Time of First Successful Submission: 2025-11-13 10:24:02

Variable Control (hard)

Time of First Successful Submission: 2025-11-07 19:42:36

Control Hijack (easy)

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

Control Hijack (hard)

Time of First Successful Submission: 2025-11-07 20:13:58

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-11-13 10:45:46

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-11-07 20:44:13

PIEs (easy)

Time of First Successful Submission: 2025-11-13 18:13:23

PIEs (hard)

Time of First Successful Submission: 2025-11-08 17:47:55

String Lengths (easy)

Time of First Successful Submission: 2025-11-13 18:29:05

String Lengths (hard)

Time of First Successful Submission: 2025-11-09 06:46:30

Basic Shellcode

Time of First Successful Submission: 2025-11-09 08:58:02

NOP Sleds

Time of First Successful Submission: 2025-11-09 18:53:11

NULL-Free Shellcode

Time of First Successful Submission: 2025-11-09 19:29:38

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-11-13 18:46:15

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-11-09 19:51:19

Hijack to Shellcode (easy)

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

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-11-13 10:03:47

ECB-to-Win (easy)

Time of First Successful Submission: 2025-12-12 07:54:34

ECB-to-Win (hard)

Time of First Successful Submission: 2025-12-12 07:41:40

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-12-12 11:51:16

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-12-12 11:40:30

CIMG Screenshots

Time of First Successful Submission: 2026-01-24 08:49:11

CIMG Screenshots 2

Time of First Successful Submission: 2026-01-24 09:53:08

Wily Webserver

Time of First Successful Submission: 2025-12-12 14:56:31

The Watering Hole

Time of First Successful Submission: 2025-12-23 20:30:39

Secure Chat 1

Time of First Successful Submission: 2025-12-20 08:34:11

Secure Chat 2

Time of First Successful Submission: 2025-12-20 14:37:22

Secure Chat 3

Time of First Successful Submission: 2025-12-21 14:02:02

Secure Chat 4

Time of First Successful Submission: 2025-12-21 15:10:39

Secure Chat 5

Time of First Successful Submission: 2026-01-25 10:57:19

Program Security

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ello ackers!

Time of First Successful Submission: 2026-01-27 10:54:41

Syscall Smuggler

Time of First Successful Submission: 2026-01-27 11:53:42

Syscall Shenanigans

Time of First Successful Submission: 2026-01-27 12:13:48

Byte Budget

Time of First Successful Submission: 2026-01-27 13:13:04

ClobberCode

Time of First Successful Submission: 2026-01-27 20:47:56

Diverse Delivery

Time of First Successful Submission: 2026-01-27 22:15:37

Login Leakage (Easy)

Time of First Successful Submission: 2026-01-26 12:43:35

Login Leakage (Hard)

Time of First Successful Submission: 2026-01-18 06:27:27

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-01-26 12:35:19

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-01-18 06:53:21

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-01-26 12:29:27

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-01-18 08:37:09

Pointer Problems (Easy)

Time of First Successful Submission: 2026-01-26 12:22:02

Pointer Problems (Hard)

Time of First Successful Submission: 2026-01-18 09:29:06

Anomalous Array (Easy)

Time of First Successful Submission: 2026-01-26 12:03:36

Anomalous Array (Hard)

Time of First Successful Submission: 2026-01-18 10:55:31

Now you got it (Easy)

Time of First Successful Submission: 2026-01-26 11:46:10

Now you got it (Hard)

Time of First Successful Submission: 2026-01-19 14:16:18

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-01-26 10:58:19

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-01-19 18:58:41

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-01-26 10:36:50

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-01-20 06:11:43

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-01-26 10:21:55

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-01-20 07:56:00

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-01-26 10:03:52

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-01-20 08:46:17

Latent Leak (Easy)

Time of First Successful Submission: 2026-01-26 09:55:02

Latent Leak (Hard)

Time of First Successful Submission: 2026-01-26 06:35:42

Fork Foolery (Easy)

Time of First Successful Submission: 2026-01-26 09:12:41

Fork Foolery (Hard)

Time of First Successful Submission: 2026-01-26 08:51:43

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-01-26 14:35:19

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-01-26 14:25:38

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-01-26 15:21:23

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-01-26 15:19:05

Can It Fizz?

Time of First Successful Submission: 2026-01-26 17:28:38

Does It Buzz?

Time of First Successful Submission: 2026-01-26 20:41:37

Make It FizzBuzz

Time of First Successful Submission: 2026-01-27 09:22:55

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-01-17 18:31:27

Know the Yancode (Hard)

Time of First Successful Submission: 2026-01-17 19:44:40

Loose Link (Hard)

Time of First Successful Submission: 2025-11-28 12:35:58

Call Chain (Hard)

Time of First Successful Submission: 2025-11-28 16:14:52

Chain of Command (Hard)

Time of First Successful Submission: 2025-11-28 17:34:21

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-11-29 13:39:42

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-11-29 16:46:41

Start Here

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Using the Terminal

Time of First Successful Submission: 2025-09-10 15:34:43

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-10 15:37:59

Using the GUI Desktop

Time of First Successful Submission: 2025-09-10 15:39:57

Pasting into the Desktop

Time of First Successful Submission: 2025-09-10 15:42:17

Restarting Challenges

Time of First Successful Submission: 2025-09-10 15:45:14

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-09-10 15:53:45

Intro to Arguments

Time of First Successful Submission: 2025-09-10 15:55:27

Command History

Time of First Successful Submission: 2025-09-10 15:57:46

The Root

Time of First Successful Submission: 2025-09-10 16:00:58

Program and absolute paths

Time of First Successful Submission: 2025-09-10 16:02:10

Position thy self

Time of First Successful Submission: 2025-09-10 16:05:31

Position elsewhere

Time of First Successful Submission: 2025-09-11 09:36:14

implicit relative paths, from /

Time of First Successful Submission: 2025-09-11 09:46:25

explicit relative paths, from /

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

implicit relative path

Time of First Successful Submission: 2025-09-11 09:55:17

home sweet home

Time of First Successful Submission: 2025-09-11 10:03:11

cat: not the pet, but the command!

Time of First Successful Submission: 2025-09-11 10:13:02

catting absolute paths

Time of First Successful Submission: 2025-09-11 10:16:53

more catting practice

Time of First Successful Submission: 2025-09-11 10:17:53

grepping for a needle in a haystack

Time of First Successful Submission: 2025-09-11 10:21:50

comparing files

Time of First Successful Submission: 2025-09-11 10:29:04

listing files

Time of First Successful Submission: 2025-09-11 10:34:49

touching files

Time of First Successful Submission: 2025-09-11 10:35:55

removing files

Time of First Successful Submission: 2025-09-11 10:37:09

moving files

Time of First Successful Submission: 2025-09-11 10:38:37

copying files

Time of First Successful Submission: 2026-01-25 16:54:49

hidden files

Time of First Successful Submission: 2025-09-11 10:39:36

An Epic Filesystem Quest

Time of First Successful Submission: 2025-09-11 10:46:58

making directories

Time of First Successful Submission: 2025-09-11 10:53:50

finding files

Time of First Successful Submission: 2025-09-11 10:58:54

linking files

Time of First Successful Submission: 2025-09-11 11:12:55

Learning From Documentation

Time of First Successful Submission: 2025-09-11 11:16:28

Learning Complex Usage

Time of First Successful Submission: 2025-09-11 11:18:33

Reading Manuals

Time of First Successful Submission: 2025-09-11 11:28:23

Searching Manuals

Time of First Successful Submission: 2025-09-11 11:31:08

Searching For Manuals

Time of First Successful Submission: 2025-09-11 11:47:16

Helpful Programs

Time of First Successful Submission: 2025-09-11 12:00:34

Help for Builtins

Time of First Successful Submission: 2025-09-11 12:13:43

Matching with *

Time of First Successful Submission: 2025-09-11 12:24:49

Matching with ?

Time of First Successful Submission: 2025-09-11 12:30:40

Matching with []

Time of First Successful Submission: 2025-09-11 18:33:09

Matching paths with []

Time of First Successful Submission: 2025-09-11 18:46:52

Multiple globs

Time of First Successful Submission: 2025-09-11 18:37:33

Mixing globs

Time of First Successful Submission: 2025-09-11 18:40:43

Exclusionary globbing

Time of First Successful Submission: 2025-09-11 18:53:51

Tab completion

Time of First Successful Submission: 2025-09-11 19:00:18

Multiple options for tab completion

Time of First Successful Submission: 2025-09-11 19:04:32

Tab completion on commands

Time of First Successful Submission: 2025-09-11 19:09:35

Redirecting output

Time of First Successful Submission: 2025-09-11 19:30:48

Redirecting more output

Time of First Successful Submission: 2025-09-11 19:34:34

Appending output

Time of First Successful Submission: 2025-09-11 19:46:40

Redirecting errors

Time of First Successful Submission: 2025-09-11 19:51:39

Redirecting input

Time of First Successful Submission: 2025-09-11 19:53:21

Grepping stored results

Time of First Successful Submission: 2025-09-11 19:57:05

Grepping live output

Time of First Successful Submission: 2025-09-11 19:58:07

Grepping errors

Time of First Successful Submission: 2025-09-11 20:10:34

Filtering with grep -v

Time of First Successful Submission: 2025-09-11 20:12:11

Filtering with sed

Time of First Successful Submission: 2026-01-25 17:00:19

Duplicating piped data with tee

Time of First Successful Submission: 2025-09-12 06:26:18

Process substitution for input

Time of First Successful Submission: 2025-09-12 05:42:37

Writing to multiple programs

Time of First Successful Submission: 2025-09-12 06:54:48

Split-piping stderr and stdout

Time of First Successful Submission: 2025-09-12 06:59:48

Named pipes

Time of First Successful Submission: 2025-09-12 07:16:38

Printing Variables

Time of First Successful Submission: 2025-09-12 07:29:35

Setting Variables

Time of First Successful Submission: 2025-09-12 07:33:36

Multi-word Variables

Time of First Successful Submission: 2025-09-12 07:35:48

Exporting Variables

Time of First Successful Submission: 2025-09-12 07:44:21

Printing Exported Variables

Time of First Successful Submission: 2025-09-12 07:49:14

Storing Command Output

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

Reading Input

Time of First Successful Submission: 2025-09-12 07:53:37

Reading Files

Time of First Successful Submission: 2025-09-12 08:01:58

Translating characters

Time of First Successful Submission: 2025-09-12 08:17:14

Deleting characters

Time of First Successful Submission: 2025-09-12 08:37:31

Deleting newlines

Time of First Successful Submission: 2025-09-12 08:40:09

Extracting the first lines with head

Time of First Successful Submission: 2025-09-12 08:42:46

Extracting specific sections of text

Time of First Successful Submission: 2025-09-12 08:50:26

Sorting data

Time of First Successful Submission: 2025-09-12 09:00:11

Listing Processes

Time of First Successful Submission: 2025-09-12 09:11:57

Killing Processes

Time of First Successful Submission: 2025-09-12 09:22:41

Interrupting Processes

Time of First Successful Submission: 2025-09-12 09:24:05

Killing Misbehaving Processes

Time of First Successful Submission: 2025-09-12 09:31:32

Suspending Processes

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

Resuming Processes

Time of First Successful Submission: 2025-09-12 09:51:58

Backgrounding Processes

Time of First Successful Submission: 2025-09-12 09:54:08

Foregrounding Processes

Time of First Successful Submission: 2025-09-12 10:34:42

Starting Backgrounded Processes

Time of First Successful Submission: 2025-09-12 10:02:13

Process Exit Codes

Time of First Successful Submission: 2025-09-12 10:04:21

Becoming root with su

Time of First Successful Submission: 2025-09-12 10:17:17

Other users with su

Time of First Successful Submission: 2025-09-12 10:18:55

Cracking passwords

Time of First Successful Submission: 2025-09-12 10:29:06

Using sudo

Time of First Successful Submission: 2025-09-12 10:38:23

Changing File Ownership

Time of First Successful Submission: 2025-09-12 10:57:07

Groups and Files

Time of First Successful Submission: 2025-09-12 11:17:02

Fun With Groups Names

Time of First Successful Submission: 2025-09-12 11:18:25

Changing Permissions

Time of First Successful Submission: 2025-09-12 11:27:27

Executable Files

Time of First Successful Submission: 2025-09-12 11:29:59

Permission Tweaking Practice

Time of First Successful Submission: 2025-09-12 11:39:16

Permissions Setting Practice

Time of First Successful Submission: 2025-09-12 11:44:19

The SUID Bit

Time of First Successful Submission: 2025-09-12 11:50:59

Chaining with Semicolons

Time of First Successful Submission: 2025-09-12 11:52:11

Building on Success

Time of First Successful Submission: 2025-09-12 11:53:47

Handling Failure

Time of First Successful Submission: 2025-09-12 11:55:36

Your First Shell Script

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

Redirecting Script Output

Time of First Successful Submission: 2025-09-12 12:04:43

Executable Shell Scripts

Time of First Successful Submission: 2025-09-12 12:10:40

Understanding Shebangs

Time of First Successful Submission: 2025-09-12 12:14:11

Scripting with Arguments

Time of First Successful Submission: 2025-09-12 12:17:19

Scripting with Conditionals

Time of First Successful Submission: 2025-09-12 12:21:42

Scripting with Default Cases

Time of First Successful Submission: 2025-09-12 12:22:51

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-09-12 12:25:26

Reading Shell Scripts

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

Launching Screen

Time of First Successful Submission: 2025-09-12 12:35:01

Detaching and Attaching

Time of First Successful Submission: 2025-09-12 12:37:27

Finding Sessions

Time of First Successful Submission: 2025-09-12 12:43:15

Switching Windows

Time of First Successful Submission: 2025-09-12 12:47:03

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-09-12 12:48:24

Switching Windows (tmux)

Time of First Successful Submission: 2025-09-12 12:50:50

The PATH Variable

Time of First Successful Submission: 2025-09-12 12:53:05

Setting PATH

Time of First Successful Submission: 2025-09-12 12:55:20

Finding Commands

Time of First Successful Submission: 2025-09-12 13:02:04

Adding Commands

Time of First Successful Submission: 2025-09-12 13:05:37

Hijacking Commands

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

Bashrc Backdoor

Time of First Successful Submission: 2025-09-12 13:17:36

Sniffing Input

Time of First Successful Submission: 2025-09-12 13:33:55

Overshared Directories

Time of First Successful Submission: 2025-09-12 13:48:03

Tricky Linking

Time of First Successful Submission: 2025-09-12 14:00:17

Sniffing Process Arguments

Time of First Successful Submission: 2025-09-12 14:09:32

Snooping on Configurations

Time of First Successful Submission: 2025-09-12 14:13:46

The Fork Bomb

Time of First Successful Submission: 2025-09-12 14:59:18

Disk-Space Doomsday

Time of First Successful Submission: 2025-09-12 14:41:17

rm -rf /

Time of First Successful Submission: 2025-09-12 14:26:00

Life after rm -rf /

Time of First Successful Submission: 2025-09-12 14:32:25

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-09-12 14:37:43

Computing 101

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Your First Register

Time of First Successful Submission: 2025-09-21 10:08:53

Your First Syscall

Time of First Successful Submission: 2025-09-21 10:12:03

Exit Codes

Time of First Successful Submission: 2025-09-21 10:13:44

Building Executables

Time of First Successful Submission: 2025-09-21 10:25:53

Moving Between Registers

Time of First Successful Submission: 2025-09-21 10:37:46

Tracing Syscalls

Time of First Successful Submission: 2025-09-21 10:45:45

Starting GDB

Time of First Successful Submission: 2025-09-21 10:47:40

Starting Programs in GDB

Time of First Successful Submission: 2025-09-21 10:51:20

Loading From Memory

Time of First Successful Submission: 2025-09-21 11:07:06

More Loading Practice

Time of First Successful Submission: 2025-09-21 11:09:07

Dereferencing Pointers

Time of First Successful Submission: 2025-09-21 11:15:54

Dereferencing Yourself

Time of First Successful Submission: 2025-09-21 11:20:38

Dereferencing with Offsets

Time of First Successful Submission: 2025-09-21 11:31:09

Stored Addresses

Time of First Successful Submission: 2025-09-21 11:33:59

Double Dereference

Time of First Successful Submission: 2025-09-21 11:38:07

Triple Dereference

Time of First Successful Submission: 2025-09-21 11:40:22

Writing Output

Time of First Successful Submission: 2025-09-21 11:54:20

Chaining Syscalls

Time of First Successful Submission: 2025-09-21 11:57:37

Writing Strings

Time of First Successful Submission: 2025-09-21 12:00:32

Reading Data

Time of First Successful Submission: 2025-09-21 12:08:20

set-register

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

set-multiple-registers

Time of First Successful Submission: 2025-09-21 12:23:15

add-to-register

Time of First Successful Submission: 2025-09-21 12:26:10

linear-equation-registers

Time of First Successful Submission: 2025-09-21 12:34:49

integer-division

Time of First Successful Submission: 2025-09-21 12:47:50

modulo-operation

Time of First Successful Submission: 2025-09-21 12:52:35

set-upper-byte

Time of First Successful Submission: 2025-09-21 13:04:55

efficient-modulo

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

byte-extraction

Time of First Successful Submission: 2025-09-21 13:26:38

bitwise-and

Time of First Successful Submission: 2025-09-21 13:35:26

check-even

Time of First Successful Submission: 2025-09-21 13:39:44

memory-read

Time of First Successful Submission: 2025-09-21 13:49:56

memory-write

Time of First Successful Submission: 2025-09-21 13:52:24

memory-increment

Time of First Successful Submission: 2025-09-21 13:56:15

byte-access

Time of First Successful Submission: 2025-09-21 13:59:36

memory-size-access

Time of First Successful Submission: 2025-09-21 17:42:54

little-endian-write

Time of First Successful Submission: 2025-09-21 18:01:02

memory-sum

Time of First Successful Submission: 2025-09-21 18:17:47

stack-subtraction

Time of First Successful Submission: 2025-09-21 18:29:47

swap-stack-values

Time of First Successful Submission: 2025-09-21 18:33:12

average-stack-values

Time of First Successful Submission: 2025-09-21 18:40:02

absolute-jump

Time of First Successful Submission: 2025-09-21 18:42:37

relative-jump

Time of First Successful Submission: 2025-09-21 19:17:43

jump-trampoline

Time of First Successful Submission: 2025-09-21 19:28:31

conditional-jump

Time of First Successful Submission: 2025-09-22 04:38:49

indirect-jump

Time of First Successful Submission: 2025-09-22 05:33:54

average-loop

Time of First Successful Submission: 2025-09-22 11:53:59

count-non-zero

Time of First Successful Submission: 2025-09-22 12:01:04

string-lower

Time of First Successful Submission: 2025-09-22 12:31:34

most-common-byte

Time of First Successful Submission: 2025-09-22 13:33:10

Debugging Programs

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

Inspecting Registers

Time of First Successful Submission: 2025-09-28 09:43:56

Examining Memory

Time of First Successful Submission: 2025-09-28 09:52:09

Setting Breakpoints

Time of First Successful Submission: 2025-09-28 10:09:23

GDB Scripting

Time of First Successful Submission: 2025-09-28 10:49:23

Modifying Data

Time of First Successful Submission: 2025-09-28 11:57:40

Modifying Execution

Time of First Successful Submission: 2025-09-28 12:20:12

Broken Functions

Time of First Successful Submission: 2025-09-28 12:59:29

Exit

Time of First Successful Submission: 2025-09-22 18:08:36

Socket

Time of First Successful Submission: 2025-09-22 18:59:38

Bind

Time of First Successful Submission: 2025-09-24 14:30:21

Listen

Time of First Successful Submission: 2025-09-24 14:40:57

Accept

Time of First Successful Submission: 2025-09-24 14:51:46

Static Response

Time of First Successful Submission: 2025-09-24 15:09:13

Dynamic Response

Time of First Successful Submission: 2025-09-24 16:31:18

Iterative GET Server

Time of First Successful Submission: 2025-09-24 19:50:56

Concurrent GET Server

Time of First Successful Submission: 2025-09-25 04:25:16

Concurrent POST Server

Time of First Successful Submission: 2025-09-28 08:45:32

Web Server

Time of First Successful Submission: 2025-09-28 08:49:41

Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-09-13 11:54:47

... and again!

Time of First Successful Submission: 2025-09-13 11:56:28

Newline Troubles

Time of First Successful Submission: 2025-09-13 12:00:28

Reasoning about files

Time of First Successful Submission: 2025-09-13 12:23:31

Specifying Filenames

Time of First Successful Submission: 2025-09-13 12:25:31

Binary and Hex Encoding

Time of First Successful Submission: 2025-09-13 13:04:42

More Hex

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

Decoding Hex

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

Decoding Practice

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

Encoding Practice

Time of First Successful Submission: 2025-09-13 14:20:07

Hex-encoding ASCII

Time of First Successful Submission: 2025-09-13 14:36:40

Nested Encoding

Time of First Successful Submission: 2025-09-13 14:43:06

Hex-encoding UTF-8

Time of First Successful Submission: 2025-09-13 14:51:16

UTF Mixups

Time of First Successful Submission: 2025-09-13 15:10:33

Modifying Encoded Data

Time of First Successful Submission: 2025-09-13 15:32:04

Decoding Base64

Time of First Successful Submission: 2025-09-13 15:46:12

Encoding Base64

Time of First Successful Submission: 2025-09-13 15:51:37

Dealing with Obfuscation

Time of First Successful Submission: 2025-09-13 15:56:18

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-09-13 16:00:39

Your First HTTP Request

Time of First Successful Submission: 2025-09-13 16:03:10

Reading Flask

Time of First Successful Submission: 2025-09-13 16:16:51

Commented Data

Time of First Successful Submission: 2025-09-13 16:22:45

HTTP Metadata

Time of First Successful Submission: 2025-09-13 16:27:38

HTTP (netcat)

Time of First Successful Submission: 2025-09-13 16:31:17

HTTP Paths (netcat)

Time of First Successful Submission: 2025-09-13 16:38:47

HTTP (curl)

Time of First Successful Submission: 2025-09-13 16:46:09

HTTP (python)

Time of First Successful Submission: 2025-09-13 16:48:08

HTTP Host Header (python)

Time of First Successful Submission: 2025-09-13 16:54:13

HTTP Host Header (curl)

Time of First Successful Submission: 2025-09-13 16:57:09

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-09-13 17:01:26

URL Encoding (netcat)

Time of First Successful Submission: 2025-09-13 17:14:36

HTTP GET Parameters

Time of First Successful Submission: 2025-09-13 17:16:23

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-09-13 17:23:09

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-09-13 17:24:21

HTTP Forms

Time of First Successful Submission: 2025-09-13 17:27:19

HTTP Forms (curl)

Time of First Successful Submission: 2025-09-13 17:47:40

HTTP Forms (netcat)

Time of First Successful Submission: 2025-09-13 17:51:55

HTTP Forms (python)

Time of First Successful Submission: 2025-09-13 17:53:38

HTTP Forms Without Forms

Time of First Successful Submission: 2025-09-13 18:00:32

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-09-13 18:08:02

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-09-13 18:13:04

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-09-13 18:15:17

HTTP Redirects (curl)

Time of First Successful Submission: 2025-09-13 18:16:27

HTTP Redirects (python)

Time of First Successful Submission: 2025-09-13 18:17:59

HTTP Cookies (curl)

Time of First Successful Submission: 2025-09-13 18:40:28

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-09-13 18:48:47

HTTP Cookies (python)

Time of First Successful Submission: 2025-09-13 18:54:04

Server State (python)

Time of First Successful Submission: 2025-09-13 18:59:38

Listening Web

Time of First Successful Submission: 2025-09-13 19:12:04

Speaking Redirects

Time of First Successful Submission: 2025-09-13 19:19:43

JavaScript Redirects

Time of First Successful Submission: 2025-09-13 19:25:36

Including JavaScript

Time of First Successful Submission: 2025-09-13 19:28:43

HTTP (javascript)

Time of First Successful Submission: 2025-09-13 19:37:33

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-09-13 19:44:16

HTTP Forms (javascript)

Time of First Successful Submission: 2025-09-13 19:56:10

xxd

Time of First Successful Submission: 2025-09-23 05:08:49

base32

Time of First Successful Submission: 2025-09-23 05:03:06

base64

Time of First Successful Submission: 2025-09-23 05:00:28

as

Time of First Successful Submission: 2025-09-23 09:41:16

wget

Time of First Successful Submission: 2025-09-23 06:33:19

SQL Queries

Time of First Successful Submission: 2025-09-13 07:49:24

Filtering SQL

Time of First Successful Submission: 2025-09-13 08:07:48

Choosing Columns

Time of First Successful Submission: 2025-09-13 08:21:37

Exclusionary Filtering

Time of First Successful Submission: 2025-09-13 08:29:43

Filtering Strings

Time of First Successful Submission: 2025-09-13 08:31:47

Filtering on Expressions

Time of First Successful Submission: 2025-09-13 08:35:56

SELECTing Expressions

Time of First Successful Submission: 2025-09-13 09:21:22

Composite Conditions

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

Reaching Your LIMITs

Time of First Successful Submission: 2025-09-13 09:33:50

Querying Metadata

Time of First Successful Submission: 2025-09-13 09:39:53

CybHer Dojo

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Using the Terminal

Time of First Successful Submission: 2025-09-10 15:34:43

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-10 15:37:59

Using the GUI Desktop

Time of First Successful Submission: 2025-09-10 15:39:57

Pasting into the Desktop

Time of First Successful Submission: 2025-09-10 15:42:17

Restarting Challenges

Time of First Successful Submission: 2025-09-10 15:45:14

Getting Help

Time of First Successful Submission: 2025-09-10 15:50:16

GCA CTF

6 / 104 25350 / 39022

Using the Terminal

Time of First Successful Submission: 2025-09-10 15:34:43

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-10 15:37:59

Using the GUI Desktop

Time of First Successful Submission: 2025-09-10 15:39:57

Pasting into the Desktop

Time of First Successful Submission: 2025-09-10 15:42:17

Restarting Challenges

Time of First Successful Submission: 2025-09-10 15:45:14

Getting Help

Time of First Successful Submission: 2025-09-10 15:50:16