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1 / 202 18436 / 22760

Triple Dereference

Time of First Successful Submission: 2025-05-06 11:48:35

Intro to Programming Languages

15 / 234 6391 / 30670

Commands

Time of First Successful Submission: 2025-02-12 12:50:23

Command Arguments

Time of First Successful Submission: 2025-02-12 12:52:47

Command History

Time of First Successful Submission: 2025-11-29 12:14:30

The Root Path

Time of First Successful Submission: 2025-02-12 13:22:19

Absolute Paths

Time of First Successful Submission: 2025-02-12 13:29:52

Changing position

Time of First Successful Submission: 2025-04-25 13:23:22

Changing to an Absolute Path

Time of First Successful Submission: 2025-04-25 13:30:09

Relative Paths

Time of First Successful Submission: 2025-04-25 13:52:45

Cat

Time of First Successful Submission: 2025-04-26 04:20:58

Ls

Time of First Successful Submission: 2025-04-26 04:48:45

Ls All

Time of First Successful Submission: 2025-04-26 05:15:56

Find

Time of First Successful Submission: 2025-04-26 10:47:36

Piping Echo

Time of First Successful Submission: 2025-04-27 06:45:30

Piping Stdout

Time of First Successful Submission: 2025-04-27 07:04:50

Piping Stdin

Time of First Successful Submission: 2025-04-27 07:26:43

Intro to Cybersecurity

74 / 183 3755 / 19478

Path Traversal 1

Time of First Successful Submission: 2025-12-05 12:18:22

Path Traversal 2

Time of First Successful Submission: 2025-12-06 11:33:09

CMDi 1

Time of First Successful Submission: 2025-12-06 12:08:43

CMDi 2

Time of First Successful Submission: 2025-12-06 12:58:22

CMDi 3

Time of First Successful Submission: 2025-12-06 13:25:19

CMDi 4

Time of First Successful Submission: 2025-12-06 13:40:09

CMDi 5

Time of First Successful Submission: 2025-12-09 10:53:52

CMDi 6

Time of First Successful Submission: 2025-12-09 11:23:05

Authentication Bypass 1

Time of First Successful Submission: 2025-12-09 11:35:24

Authentication Bypass 2

Time of First Successful Submission: 2025-12-09 11:53:33

SQLi 1

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

SQLi 2

Time of First Successful Submission: 2025-12-10 04:46:01

SQLi 3

Time of First Successful Submission: 2025-12-10 04:56:35

SQLi 4

Time of First Successful Submission: 2025-12-10 05:16:17

SQLi 5

Time of First Successful Submission: 2025-12-10 13:31:18

XSS 1

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

XSS 2

Time of First Successful Submission: 2025-12-11 11:38:45

XSS 3

Time of First Successful Submission: 2025-12-11 12:02:55

XSS 4

Time of First Successful Submission: 2025-12-11 12:18:42

Connect

Time of First Successful Submission: 2025-12-13 11:50:41

Send

Time of First Successful Submission: 2025-12-13 12:16:20

Shutdown

Time of First Successful Submission: 2025-12-13 12:26:53

Listen

Time of First Successful Submission: 2025-12-13 13:15:49

XOR

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

XORing Hex

Time of First Successful Submission: 2026-01-16 11:54:25

XORing ASCII

Time of First Successful Submission: 2026-01-16 12:17:24

XORing ASCII Strings

Time of First Successful Submission: 2026-01-17 02:15:41

One-time Pad

Time of First Successful Submission: 2026-01-17 03:21:01

One-time Pad Tampering

Time of First Successful Submission: 2026-01-17 11:46:33

Many-time Pad

Time of First Successful Submission: 2026-01-17 12:10:40

AES

Time of First Successful Submission: 2026-01-17 13:42:25

AES-ECB-CPA

Time of First Successful Submission: 2026-01-18 10:10:57

File Formats: Magic Numbers (Python)

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

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-12-14 02:20:00

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-12-14 02:37:50

Reading Endianness (Python)

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

Reading Endianness (C)

Time of First Successful Submission: 2025-12-16 07:43:27

Reading Endianness (x86)

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

Version Information (Python)

Time of First Successful Submission: 2025-12-19 13:02:26

Version Information (C)

Time of First Successful Submission: 2025-12-19 13:15:31

Version Information (x86)

Time of First Successful Submission: 2025-12-19 13:40:12

Metadata and Data (Python)

Time of First Successful Submission: 2025-12-20 03:14:17

Metadata and Data (C)

Time of First Successful Submission: 2025-12-20 04:27:47

Metadata and Data (x86)

Time of First Successful Submission: 2025-12-20 04:36:36

Input Restrictions (Python)

Time of First Successful Submission: 2025-12-20 11:09:59

Input Restrictions (C)

Time of First Successful Submission: 2025-12-20 11:21:17

Input Restrictions (x86)

Time of First Successful Submission: 2025-12-20 11:28:13

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-12-20 11:37:01

Behold the cIMG! (C)

Time of First Successful Submission: 2025-12-20 11:42:54

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-12-20 11:58:21

A Basic cIMG (Python)

Time of First Successful Submission: 2025-12-20 12:14:31

A Basic cIMG (C)

Time of First Successful Submission: 2025-12-20 12:31:40

A Basic cIMG (x86)

Time of First Successful Submission: 2025-12-20 12:48:03

Your First Overflow (easy)

Time of First Successful Submission: 2025-12-10 13:49:58

Your First Overflow (hard)

Time of First Successful Submission: 2025-12-11 02:16:56

Precision (easy)

Time of First Successful Submission: 2025-12-11 02:36:55

Precision (hard)

Time of First Successful Submission: 2025-12-11 02:55:12

Variable Control (easy)

Time of First Successful Submission: 2025-12-11 03:20:20

Variable Control (hard)

Time of First Successful Submission: 2025-12-11 07:17:55

Control Hijack (easy)

Time of First Successful Submission: 2025-12-11 12:44:56

Control Hijack (hard)

Time of First Successful Submission: 2025-12-11 13:22:52

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-12-11 13:52:50

Tricky Control Hijack (hard)

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

PIEs (easy)

Time of First Successful Submission: 2025-12-12 02:04:43

PIEs (hard)

Time of First Successful Submission: 2025-12-12 02:11:25

String Lengths (easy)

Time of First Successful Submission: 2025-12-12 02:42:26

String Lengths (hard)

Time of First Successful Submission: 2025-12-12 02:53:55

Basic Shellcode

Time of First Successful Submission: 2025-12-12 11:45:16

NOP Sleds

Time of First Successful Submission: 2025-12-12 11:58:44

NULL-Free Shellcode

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

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-12-13 10:41:10

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-12-13 10:51:26

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-12-13 11:19:09

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-12-13 11:41:55

Program Security

85 / 162 822 / 9357

ello ackers!

Time of First Successful Submission: 2025-12-21 04:15:38

Syscall Smuggler

Time of First Successful Submission: 2025-12-22 03:26:10

Syscall Shenanigans

Time of First Successful Submission: 2025-12-22 11:05:03

ClobberCode

Time of First Successful Submission: 2025-12-23 02:48:53

Diverse Delivery

Time of First Successful Submission: 2025-12-23 13:15:42

Login Leakage (Easy)

Time of First Successful Submission: 2025-12-24 03:37:47

Login Leakage (Hard)

Time of First Successful Submission: 2025-12-24 03:56:10

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-12-24 07:51:58

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-12-24 08:03:36

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-12-24 10:45:49

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-12-24 11:03:49

Pointer Problems (Easy)

Time of First Successful Submission: 2025-12-24 12:05:34

Pointer Problems (Hard)

Time of First Successful Submission: 2025-12-24 12:21:53

Anomalous Array (Easy)

Time of First Successful Submission: 2025-12-24 13:06:57

Anomalous Array (Hard)

Time of First Successful Submission: 2025-12-24 13:36:28

Now you got it (Easy)

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

Now you got it (Hard)

Time of First Successful Submission: 2025-12-25 02:56:05

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-12-25 10:42:52

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-12-25 11:40:35

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-12-25 11:59:58

Nosy Neighbor (Hard)

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

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-12-25 13:03:43

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-12-25 14:01:47

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-12-26 02:29:46

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-12-26 02:36:59

Latent Leak (Easy)

Time of First Successful Submission: 2025-12-26 03:26:53

Latent Leak (Hard)

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

Fork Foolery (Easy)

Time of First Successful Submission: 2025-12-26 13:41:00

Fork Foolery (Hard)

Time of First Successful Submission: 2025-12-27 02:59:34

Canary Conundrum (Easy)

Time of First Successful Submission: 2025-12-27 04:20:04

Canary Conundrum (Hard)

Time of First Successful Submission: 2025-12-27 11:27:20

A Crafty Clobber (Easy)

Time of First Successful Submission: 2025-12-27 12:00:40

A Crafty Clobber (Hard)

Time of First Successful Submission: 2025-12-27 12:11:04

Loose Link (Easy)

Time of First Successful Submission: 2025-12-29 12:40:19

Loose Link (Hard)

Time of First Successful Submission: 2025-12-29 12:58:49

Call Chain (Easy)

Time of First Successful Submission: 2025-12-29 13:15:42

Call Chain (Hard)

Time of First Successful Submission: 2025-12-29 13:27:42

Chain of Command (Easy)

Time of First Successful Submission: 2025-12-29 13:55:57

Chain of Command (Hard)

Time of First Successful Submission: 2025-12-29 14:06:01

Stop, Pop, and ROP (Easy)

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

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-12-30 11:51:57

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-12-30 12:53:18

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-12-30 13:08:13

Leaky Libc (Easy)

Time of First Successful Submission: 2026-01-01 08:13:16

Leaky Libc (Hard)

Time of First Successful Submission: 2026-01-01 08:39:25

Putsception (Easy)

Time of First Successful Submission: 2026-01-01 09:36:43

Putsception (Hard)

Time of First Successful Submission: 2026-01-01 09:50:02

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-01-02 04:39:57

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-01-02 06:42:22

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-01-02 08:27:23

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-01-02 08:46:40

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-01-04 13:13:03

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-01-04 13:42:06

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-01-04 14:39:24

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-01-04 15:08:33

Freebie (Easy)

Time of First Successful Submission: 2026-01-05 11:48:16

Freebie (Hard)

Time of First Successful Submission: 2026-01-05 13:12:59

Freebin Feint (Easy)

Time of First Successful Submission: 2026-01-06 07:51:02

Freebin Feint (Hard)

Time of First Successful Submission: 2026-01-06 07:55:31

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-01-06 08:30:23

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-01-06 08:40:29

Fickle Free (Easy)

Time of First Successful Submission: 2026-01-09 13:17:17

Fickle Free (Hard)

Time of First Successful Submission: 2026-01-09 13:32:41

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-01-10 01:50:42

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-01-10 02:00:13

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-01-10 03:07:43

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-01-10 03:20:21

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-01-10 10:43:17

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-01-10 10:51:04

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-01-10 11:28:05

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-01-10 11:33:47

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-01-10 12:44:23

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-01-10 12:47:33

Sus Sequence (Easy)

Time of First Successful Submission: 2026-01-10 13:34:07

Sus Sequence (Hard)

Time of First Successful Submission: 2026-01-10 13:40:54

Echo Emanations (Easy)

Time of First Successful Submission: 2026-01-12 05:02:56

Echo Emanations (Hard)

Time of First Successful Submission: 2026-01-12 08:35:48

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-01-12 12:07:15

Stack Spoofing (Hard)

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

Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-12 13:09:45

Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-12 13:16:54

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-01-12 16:28:21

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-01-14 06:28:08

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-01-14 10:32:15

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-01-14 11:02:38

Start Here

11 / 12 6731 / 41588

Using the Terminal

Time of First Successful Submission: 2025-11-29 12:11:47

Using the VSCode Workspace

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

Using the GUI Desktop

Time of First Successful Submission: 2025-02-12 07:48:11

Pasting into the Desktop

Time of First Successful Submission: 2025-02-12 07:58:04

Restarting Challenges

Time of First Successful Submission: 2025-02-12 08:07:25

Challenge Programs

Time of First Successful Submission: 2025-02-12 11:28:20

The Flag File

Time of First Successful Submission: 2025-02-12 11:44:31

Using Privileged Mode

Time of First Successful Submission: 2025-04-25 12:24:16

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-25 12:55:56

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-25 12:59:50

Linux Luminarium

93 / 128 6146 / 31058

Intro to Commands

Time of First Successful Submission: 2025-02-12 12:50:23

Intro to Arguments

Time of First Successful Submission: 2025-02-12 12:52:47

Command History

Time of First Successful Submission: 2025-11-29 12:14:30

The Root

Time of First Successful Submission: 2025-02-12 13:22:19

Program and absolute paths

Time of First Successful Submission: 2025-02-12 13:29:52

Position thy self

Time of First Successful Submission: 2025-04-25 13:23:22

Position elsewhere

Time of First Successful Submission: 2025-04-25 13:30:09

implicit relative paths, from /

Time of First Successful Submission: 2025-04-25 13:52:45

explicit relative paths, from /

Time of First Successful Submission: 2025-04-26 00:41:55

implicit relative path

Time of First Successful Submission: 2025-04-26 00:54:53

home sweet home

Time of First Successful Submission: 2025-04-26 01:10:25

cat: not the pet, but the command!

Time of First Successful Submission: 2025-04-26 04:20:58

catting absolute paths

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

more catting practice

Time of First Successful Submission: 2025-04-26 04:33:47

grepping for a needle in a haystack

Time of First Successful Submission: 2025-04-26 04:41:12

comparing files

Time of First Successful Submission: 2025-11-29 12:20:22

listing files

Time of First Successful Submission: 2025-04-26 04:48:45

touching files

Time of First Successful Submission: 2025-04-26 04:53:56

removing files

Time of First Successful Submission: 2025-04-26 05:01:04

moving files

Time of First Successful Submission: 2025-11-29 12:23:07

copying files

Time of First Successful Submission: 2025-11-29 12:24:26

hidden files

Time of First Successful Submission: 2025-04-26 05:15:56

An Epic Filesystem Quest

Time of First Successful Submission: 2025-04-26 08:28:47

making directories

Time of First Successful Submission: 2025-04-26 08:36:24

finding files

Time of First Successful Submission: 2025-04-26 10:47:36

linking files

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

Learning From Documentation

Time of First Successful Submission: 2025-04-26 11:29:33

Learning Complex Usage

Time of First Successful Submission: 2025-04-26 11:54:26

Reading Manuals

Time of First Successful Submission: 2025-04-26 12:23:36

Searching Manuals

Time of First Successful Submission: 2025-04-26 12:45:45

Searching For Manuals

Time of First Successful Submission: 2025-04-26 13:47:36

Helpful Programs

Time of First Successful Submission: 2025-04-27 00:46:46

Help for Builtins

Time of First Successful Submission: 2025-04-27 01:13:42

Matching with *

Time of First Successful Submission: 2025-04-27 01:27:54

Matching with ?

Time of First Successful Submission: 2025-04-27 01:33:11

Matching with []

Time of First Successful Submission: 2025-04-27 01:40:16

Matching paths with []

Time of First Successful Submission: 2025-04-27 01:46:02

Multiple globs

Time of First Successful Submission: 2025-11-29 12:42:48

Mixing globs

Time of First Successful Submission: 2025-04-27 01:54:38

Exclusionary globbing

Time of First Successful Submission: 2025-04-27 02:02:26

Tab completion

Time of First Successful Submission: 2025-11-29 12:45:20

Multiple options for tab completion

Time of First Successful Submission: 2025-11-29 13:01:23

Tab completion on commands

Time of First Successful Submission: 2025-11-29 13:06:58

Redirecting output

Time of First Successful Submission: 2025-04-27 06:45:30

Redirecting more output

Time of First Successful Submission: 2025-04-27 07:04:50

Appending output

Time of First Successful Submission: 2025-04-27 07:09:58

Redirecting errors

Time of First Successful Submission: 2025-04-27 07:17:18

Redirecting input

Time of First Successful Submission: 2025-04-27 07:26:43

Grepping stored results

Time of First Successful Submission: 2025-04-27 07:32:30

Grepping live output

Time of First Successful Submission: 2025-04-27 07:37:43

Grepping errors

Time of First Successful Submission: 2025-04-27 07:47:49

Filtering with grep -v

Time of First Successful Submission: 2025-11-29 13:15:34

Filtering with sed

Time of First Successful Submission: 2025-11-29 13:29:52

Duplicating piped data with tee

Time of First Successful Submission: 2025-04-27 08:08:05

Writing to multiple programs

Time of First Successful Submission: 2025-04-28 00:53:57

Split-piping stderr and stdout

Time of First Successful Submission: 2025-04-28 01:06:37

Printing Variables

Time of First Successful Submission: 2025-04-28 01:50:38

Setting Variables

Time of First Successful Submission: 2025-04-28 06:33:30

Multi-word Variables

Time of First Successful Submission: 2025-04-28 06:37:24

Exporting Variables

Time of First Successful Submission: 2025-04-28 06:46:15

Printing Exported Variables

Time of First Successful Submission: 2025-04-28 06:48:32

Storing Command Output

Time of First Successful Submission: 2025-04-28 06:53:50

Reading Input

Time of First Successful Submission: 2025-04-28 07:00:16

Reading Files

Time of First Successful Submission: 2025-04-28 07:05:02

Listing Processes

Time of First Successful Submission: 2025-04-28 07:21:03

Killing Processes

Time of First Successful Submission: 2025-04-28 07:32:03

Interrupting Processes

Time of First Successful Submission: 2025-04-28 10:45:12

Suspending Processes

Time of First Successful Submission: 2025-04-28 10:54:02

Resuming Processes

Time of First Successful Submission: 2025-04-28 11:00:14

Backgrounding Processes

Time of First Successful Submission: 2025-04-28 11:10:09

Foregrounding Processes

Time of First Successful Submission: 2025-04-28 11:53:21

Starting Backgrounded Processes

Time of First Successful Submission: 2025-04-28 11:57:49

Process Exit Codes

Time of First Successful Submission: 2025-04-28 12:11:37

Becoming root with su

Time of First Successful Submission: 2025-04-29 12:27:12

Other users with su

Time of First Successful Submission: 2025-04-29 13:01:40

Cracking passwords

Time of First Successful Submission: 2025-04-29 13:24:04

Using sudo

Time of First Successful Submission: 2025-04-29 13:34:38

Changing File Ownership

Time of First Successful Submission: 2025-04-28 12:41:21

Groups and Files

Time of First Successful Submission: 2025-04-28 12:57:57

Fun With Groups Names

Time of First Successful Submission: 2025-04-28 13:06:16

Changing Permissions

Time of First Successful Submission: 2025-04-28 13:33:11

Executable Files

Time of First Successful Submission: 2025-04-29 11:22:14

Permission Tweaking Practice

Time of First Successful Submission: 2025-04-29 11:46:30

Permissions Setting Practice

Time of First Successful Submission: 2025-04-29 11:56:16

The SUID Bit

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

Chaining with Semicolons

Time of First Successful Submission: 2025-04-29 13:48:38

Your First Shell Script

Time of First Successful Submission: 2025-05-05 10:54:03

Redirecting Script Output

Time of First Successful Submission: 2025-05-05 11:53:03

Executable Shell Scripts

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

The PATH Variable

Time of First Successful Submission: 2025-05-05 12:22:21

Setting PATH

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

Adding Commands

Time of First Successful Submission: 2025-05-05 12:58:52

Hijacking Commands

Time of First Successful Submission: 2025-05-05 13:11:45

Computing 101

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Your First Register

Time of First Successful Submission: 2025-05-06 04:21:19

Your First Syscall

Time of First Successful Submission: 2025-05-06 04:54:37

Exit Codes

Time of First Successful Submission: 2025-05-06 05:00:42

Building Executables

Time of First Successful Submission: 2025-05-06 06:41:30

Moving Between Registers

Time of First Successful Submission: 2025-05-06 06:50:14

Loading From Memory

Time of First Successful Submission: 2025-05-06 11:22:44

More Loading Practice

Time of First Successful Submission: 2025-05-06 11:26:54

Dereferencing Pointers

Time of First Successful Submission: 2025-05-06 11:50:37

Dereferencing Yourself

Time of First Successful Submission: 2025-05-06 11:33:01

Dereferencing with Offsets

Time of First Successful Submission: 2025-05-06 11:36:09

Stored Addresses

Time of First Successful Submission: 2025-05-06 11:53:21

Double Dereference

Time of First Successful Submission: 2025-05-06 11:46:01

Tracing Syscalls

Time of First Successful Submission: 2025-05-06 07:11:02

Starting GDB

Time of First Successful Submission: 2025-05-06 07:18:50

Starting Programs in GDB

Time of First Successful Submission: 2025-05-06 07:30:35

Writing Output

Time of First Successful Submission: 2025-05-06 12:15:53

Chaining Syscalls

Time of First Successful Submission: 2025-05-06 12:21:06

Writing Strings

Time of First Successful Submission: 2025-05-06 12:29:11

Reading Data

Time of First Successful Submission: 2025-05-06 12:39:59

set-register

Time of First Successful Submission: 2025-05-06 16:26:53

set-multiple-registers

Time of First Successful Submission: 2025-05-07 03:38:34

add-to-register

Time of First Successful Submission: 2025-05-07 04:39:11

linear-equation-registers

Time of First Successful Submission: 2025-05-07 04:53:43

integer-division

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

modulo-operation

Time of First Successful Submission: 2025-05-07 05:10:40

set-upper-byte

Time of First Successful Submission: 2025-05-07 05:18:48

efficient-modulo

Time of First Successful Submission: 2025-05-07 05:50:41

byte-extraction

Time of First Successful Submission: 2025-05-07 11:03:36

bitwise-and

Time of First Successful Submission: 2025-05-07 11:23:29

check-even

Time of First Successful Submission: 2025-05-07 11:38:28

memory-read

Time of First Successful Submission: 2025-05-07 11:50:52

memory-write

Time of First Successful Submission: 2025-05-07 11:57:24

memory-increment

Time of First Successful Submission: 2025-05-07 12:06:10

byte-access

Time of First Successful Submission: 2025-05-07 12:18:24

memory-size-access

Time of First Successful Submission: 2025-05-07 12:25:12

little-endian-write

Time of First Successful Submission: 2025-05-07 12:53:53

memory-sum

Time of First Successful Submission: 2025-05-07 13:07:15

stack-subtraction

Time of First Successful Submission: 2025-05-07 13:54:19

swap-stack-values

Time of First Successful Submission: 2025-05-08 00:20:58

average-stack-values

Time of First Successful Submission: 2025-05-08 00:41:43

absolute-jump

Time of First Successful Submission: 2025-05-08 01:38:42

relative-jump

Time of First Successful Submission: 2025-05-08 02:08:42

jump-trampoline

Time of First Successful Submission: 2025-05-08 04:06:47

conditional-jump

Time of First Successful Submission: 2025-05-08 05:38:07

indirect-jump

Time of First Successful Submission: 2025-05-08 10:53:56

average-loop

Time of First Successful Submission: 2025-05-08 11:21:25

count-non-zero

Time of First Successful Submission: 2025-05-08 12:42:52

string-lower

Time of First Successful Submission: 2025-05-08 15:55:37

most-common-byte

Time of First Successful Submission: 2025-05-09 11:16:14

Exit

Time of First Successful Submission: 2025-05-15 02:54:40

Socket

Time of First Successful Submission: 2025-05-15 11:40:07

Bind

Time of First Successful Submission: 2025-05-16 06:21:52

Listen

Time of First Successful Submission: 2025-05-16 07:48:22

Accept

Time of First Successful Submission: 2025-05-16 08:13:16

Static Response

Time of First Successful Submission: 2025-05-16 12:14:38

Dynamic Response

Time of First Successful Submission: 2025-05-17 05:37:33

Iterative GET Server

Time of First Successful Submission: 2025-05-17 16:02:01

Concurrent GET Server

Time of First Successful Submission: 2025-05-19 10:46:13

Concurrent POST Server

Time of First Successful Submission: 2025-05-19 13:22:37

Web Server

Time of First Successful Submission: 2025-05-19 16:23:02

Debugging Programs

Time of First Successful Submission: 2025-05-09 13:35:52

Inspecting Registers

Time of First Successful Submission: 2025-05-10 02:01:27

Examining Memory

Time of First Successful Submission: 2025-05-10 10:54:13

Setting Breakpoints

Time of First Successful Submission: 2025-05-10 16:15:33

GDB Scripting

Time of First Successful Submission: 2025-05-11 07:08:29

Modifying Data

Time of First Successful Submission: 2025-05-12 08:43:20

Modifying Execution

Time of First Successful Submission: 2025-05-12 10:57:50

Broken Functions

Time of First Successful Submission: 2025-05-14 13:26:39

Playing With Programs

116 / 116 550 / 23023

What's the password?

Time of First Successful Submission: 2025-05-20 07:45:56

... and again!

Time of First Successful Submission: 2025-05-20 07:52:25

Newline Troubles

Time of First Successful Submission: 2025-05-20 08:11:37

Reasoning about files

Time of First Successful Submission: 2025-05-20 11:52:14

Specifying Filenames

Time of First Successful Submission: 2025-05-20 12:43:12

Binary and Hex Encoding

Time of First Successful Submission: 2025-05-20 13:19:35

More Hex

Time of First Successful Submission: 2025-05-20 13:59:47

Decoding Hex

Time of First Successful Submission: 2025-05-21 11:12:02

Decoding Practice

Time of First Successful Submission: 2025-05-21 11:30:55

Encoding Practice

Time of First Successful Submission: 2025-05-21 12:14:13

Hex-encoding ASCII

Time of First Successful Submission: 2025-05-21 13:00:57

Nested Encoding

Time of First Successful Submission: 2025-05-21 14:06:27

Hex-encoding UTF-8

Time of First Successful Submission: 2025-05-22 03:44:10

UTF Mixups

Time of First Successful Submission: 2025-05-22 03:53:59

Modifying Encoded Data

Time of First Successful Submission: 2025-05-22 05:25:54

Decoding Base64

Time of First Successful Submission: 2025-05-22 05:58:52

Encoding Base64

Time of First Successful Submission: 2025-05-22 11:05:33

Dealing with Obfuscation

Time of First Successful Submission: 2025-05-22 11:19:55

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-05-22 11:42:22

Your First HTTP Request

Time of First Successful Submission: 2025-06-03 15:26:29

Reading Flask

Time of First Successful Submission: 2025-06-05 01:27:08

Commented Data

Time of First Successful Submission: 2025-06-05 01:41:09

HTTP Metadata

Time of First Successful Submission: 2025-06-05 02:15:41

HTTP (netcat)

Time of First Successful Submission: 2025-06-05 02:50:06

HTTP Paths (netcat)

Time of First Successful Submission: 2025-06-05 03:16:28

HTTP (curl)

Time of First Successful Submission: 2025-06-05 03:22:33

HTTP (python)

Time of First Successful Submission: 2025-06-05 03:40:51

HTTP Host Header (python)

Time of First Successful Submission: 2025-06-06 14:30:02

HTTP Host Header (curl)

Time of First Successful Submission: 2025-06-06 14:39:23

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-06-06 14:45:42

URL Encoding (netcat)

Time of First Successful Submission: 2025-06-06 15:03:58

HTTP GET Parameters

Time of First Successful Submission: 2025-06-06 15:19:36

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-06-06 15:25:04

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-06-06 15:31:53

HTTP Forms

Time of First Successful Submission: 2025-06-06 15:46:55

HTTP Forms (curl)

Time of First Successful Submission: 2025-06-07 06:40:27

HTTP Forms (netcat)

Time of First Successful Submission: 2025-06-07 08:05:10

HTTP Forms (python)

Time of First Successful Submission: 2025-06-07 13:39:45

HTTP Forms Without Forms

Time of First Successful Submission: 2025-06-08 07:28:14

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-06-08 07:47:39

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-06-08 08:37:32

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-06-08 08:45:35

HTTP Redirects (curl)

Time of First Successful Submission: 2025-06-08 08:49:21

HTTP Redirects (python)

Time of First Successful Submission: 2025-06-08 08:59:17

HTTP Cookies (curl)

Time of First Successful Submission: 2025-06-08 09:32:42

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-06-08 09:49:39

HTTP Cookies (python)

Time of First Successful Submission: 2025-06-08 10:00:31

Server State (python)

Time of First Successful Submission: 2025-06-08 10:05:12

Listening Web

Time of First Successful Submission: 2025-11-30 02:24:02

Speaking Redirects

Time of First Successful Submission: 2025-11-30 14:43:53

JavaScript Redirects

Time of First Successful Submission: 2025-12-01 03:35:35

Including JavaScript

Time of First Successful Submission: 2025-12-01 07:34:12

HTTP (javascript)

Time of First Successful Submission: 2025-12-01 07:53:21

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-12-01 11:24:00

HTTP Forms (javascript)

Time of First Successful Submission: 2025-12-01 11:50:35

cat

Time of First Successful Submission: 2025-12-01 11:59:19

more

Time of First Successful Submission: 2025-12-01 12:05:28

less

Time of First Successful Submission: 2025-12-01 12:08:02

tail

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

head

Time of First Successful Submission: 2025-12-01 12:34:20

sort

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

vim

Time of First Successful Submission: 2025-12-01 12:50:16

emacs

Time of First Successful Submission: 2025-12-01 12:51:50

nano

Time of First Successful Submission: 2025-12-01 12:56:57

rev

Time of First Successful Submission: 2025-12-01 13:06:23

od

Time of First Successful Submission: 2025-12-01 13:38:33

hd

Time of First Successful Submission: 2025-12-02 03:55:12

xxd

Time of First Successful Submission: 2025-12-02 04:05:25

base32

Time of First Successful Submission: 2025-12-02 04:11:12

base64

Time of First Successful Submission: 2025-12-02 04:15:45

split

Time of First Successful Submission: 2025-12-02 04:20:48

gzip

Time of First Successful Submission: 2025-12-02 04:58:01

bzip2

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

zip

Time of First Successful Submission: 2025-12-02 05:10:23

tar

Time of First Successful Submission: 2025-12-02 05:30:43

ar

Time of First Successful Submission: 2025-12-02 11:02:33

cpio

Time of First Successful Submission: 2025-12-02 11:13:00

genisoimage

Time of First Successful Submission: 2025-12-03 11:28:54

env

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

find

Time of First Successful Submission: 2025-12-03 03:31:42

make

Time of First Successful Submission: 2025-12-03 03:48:56

nice

Time of First Successful Submission: 2025-12-03 03:57:06

timeout

Time of First Successful Submission: 2025-12-03 04:01:15

stdbuf

Time of First Successful Submission: 2025-12-03 04:09:07

setarch

Time of First Successful Submission: 2025-12-03 11:11:39

watch

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

socat

Time of First Successful Submission: 2025-12-03 12:07:18

whiptail

Time of First Successful Submission: 2025-12-03 12:36:46

awk

Time of First Successful Submission: 2025-12-03 12:31:51

sed

Time of First Successful Submission: 2025-12-03 12:39:58

ed

Time of First Successful Submission: 2025-12-03 12:49:36

chown

Time of First Successful Submission: 2025-12-03 12:56:23

chmod

Time of First Successful Submission: 2025-12-03 13:00:43

cp

Time of First Successful Submission: 2025-12-04 02:43:45

mv

Time of First Successful Submission: 2025-12-04 13:16:33

perl

Time of First Successful Submission: 2025-12-04 13:20:24

python

Time of First Successful Submission: 2025-12-04 13:31:54

ruby

Time of First Successful Submission: 2025-12-04 13:36:46

bash

Time of First Successful Submission: 2025-12-04 13:38:40

date

Time of First Successful Submission: 2025-12-04 13:40:40

dmesg

Time of First Successful Submission: 2025-12-04 13:45:47

wc

Time of First Successful Submission: 2025-12-04 13:57:02

gcc

Time of First Successful Submission: 2025-12-04 14:00:17

as

Time of First Successful Submission: 2025-12-04 14:01:57

wget

Time of First Successful Submission: 2025-12-05 01:30:18

ssh-keygen

Time of First Successful Submission: 2025-12-05 01:46:28

SQL Queries

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

Filtering SQL

Time of First Successful Submission: 2025-12-05 02:25:40

Choosing Columns

Time of First Successful Submission: 2025-12-05 02:32:06

Exclusionary Filtering

Time of First Successful Submission: 2025-12-05 02:35:54

Filtering Strings

Time of First Successful Submission: 2025-12-05 02:41:56

Filtering on Expressions

Time of First Successful Submission: 2025-12-05 02:46:37

SELECTing Expressions

Time of First Successful Submission: 2025-12-05 03:06:27

Composite Conditions

Time of First Successful Submission: 2025-12-05 03:21:59

Reaching Your LIMITs

Time of First Successful Submission: 2025-12-05 03:26:50

Querying Metadata

Time of First Successful Submission: 2025-12-05 03:31:13

GCA CTF

11 / 104 6872 / 41865

Using the Terminal

Time of First Successful Submission: 2025-11-29 12:11:47

Using the VSCode Workspace

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

Using the GUI Desktop

Time of First Successful Submission: 2025-02-12 07:48:11

Pasting into the Desktop

Time of First Successful Submission: 2025-02-12 07:58:04

Restarting Challenges

Time of First Successful Submission: 2025-02-12 08:07:25

Getting Help

Time of First Successful Submission: 2025-02-12 11:13:28

Challenge Programs

Time of First Successful Submission: 2025-02-12 11:28:20

The Flag File

Time of First Successful Submission: 2025-02-12 11:44:31

Using Privileged Mode

Time of First Successful Submission: 2025-04-25 12:24:16

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-25 12:55:56

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-25 12:59:50