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1 / 202 18913 / 22806


Triple Dereference

Time of First Successful Submission: 2025-06-17 12:49:22


Intro to Programming Languages

15 / 234 1532 / 32303


Commands

Time of First Successful Submission: 2025-06-19 20:03:33

Command Arguments

Time of First Successful Submission: 2025-06-19 20:04:06

Command History

Time of First Successful Submission: 2025-06-19 20:04:35

The Root Path

Time of First Successful Submission: 2025-06-19 20:07:21

Absolute Paths

Time of First Successful Submission: 2025-06-19 20:07:52

Changing position

Time of First Successful Submission: 2025-06-19 20:08:35

Changing to an Absolute Path

Time of First Successful Submission: 2025-06-19 20:09:07

Relative Paths

Time of First Successful Submission: 2025-06-19 20:10:28

Cat

Time of First Successful Submission: 2025-06-19 20:15:28

Ls

Time of First Successful Submission: 2025-06-19 20:17:37

Ls All

Time of First Successful Submission: 2025-06-19 20:20:04

Find

Time of First Successful Submission: 2025-06-19 20:26:32

Piping Echo

Time of First Successful Submission: 2025-06-20 12:01:32

Piping Stdout

Time of First Successful Submission: 2025-06-20 12:02:05

Piping Stdin

Time of First Successful Submission: 2025-06-20 12:06:21


Intro to Cybersecurity

129 / 183 1193 / 20169


Path Traversal 1

Time of First Successful Submission: 2025-07-16 11:23:05

Path Traversal 2

Time of First Successful Submission: 2025-07-16 11:47:01

CMDi 1

Time of First Successful Submission: 2025-07-16 13:08:49

CMDi 2

Time of First Successful Submission: 2025-07-16 13:12:50

CMDi 3

Time of First Successful Submission: 2025-07-16 13:15:01

CMDi 4

Time of First Successful Submission: 2025-07-16 13:16:39

CMDi 5

Time of First Successful Submission: 2025-07-16 13:41:52

CMDi 6

Time of First Successful Submission: 2025-07-16 13:48:59

Authentication Bypass 1

Time of First Successful Submission: 2025-07-16 13:51:42

Authentication Bypass 2

Time of First Successful Submission: 2025-07-16 13:53:03

SQLi 1

Time of First Successful Submission: 2025-07-16 14:04:05

SQLi 2

Time of First Successful Submission: 2025-07-17 08:41:30

SQLi 3

Time of First Successful Submission: 2025-07-17 08:48:18

SQLi 4

Time of First Successful Submission: 2025-07-17 08:51:36

SQLi 5

Time of First Successful Submission: 2025-07-17 09:45:24

XSS 1

Time of First Successful Submission: 2025-07-17 10:04:25

XSS 2

Time of First Successful Submission: 2025-07-17 10:06:43

XSS 3

Time of First Successful Submission: 2025-07-17 10:11:00

XSS 4

Time of First Successful Submission: 2025-07-17 10:13:07

XSS 5

Time of First Successful Submission: 2025-07-17 10:23:22

XSS 6

Time of First Successful Submission: 2025-07-17 10:40:42

XSS 7

Time of First Successful Submission: 2025-07-17 10:49:38

CSRF 1

Time of First Successful Submission: 2025-07-18 08:06:01

CSRF 2

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

CSRF 3

Time of First Successful Submission: 2025-07-18 08:37:58

CSRF 4

Time of First Successful Submission: 2025-07-18 09:04:06

CSRF 5

Time of First Successful Submission: 2025-07-18 09:22:10

Connect

Time of First Successful Submission: 2025-07-20 08:04:17

Send

Time of First Successful Submission: 2025-07-20 08:05:06

Shutdown

Time of First Successful Submission: 2025-07-20 08:16:13

Listen

Time of First Successful Submission: 2025-07-20 08:18:11

Scan 1

Time of First Successful Submission: 2025-07-20 08:38:28

Scan 2

Time of First Successful Submission: 2025-07-20 08:57:40

Monitor 1

Time of First Successful Submission: 2025-07-20 09:00:37

Monitor 2

Time of First Successful Submission: 2025-07-20 09:07:48

Sniffing Cookies

Time of First Successful Submission: 2025-07-20 09:26:41

Network Configuration

Time of First Successful Submission: 2025-07-20 17:23:26

Firewall 1

Time of First Successful Submission: 2025-07-20 19:19:01

Firewall 2

Time of First Successful Submission: 2025-07-20 19:21:03

Firewall 3

Time of First Successful Submission: 2025-07-20 19:22:15

Denial of Service 1

Time of First Successful Submission: 2025-07-20 19:47:59

Denial of Service 2

Time of First Successful Submission: 2025-07-20 19:51:23

Denial of Service 3

Time of First Successful Submission: 2025-07-20 20:24:50

Ethernet

Time of First Successful Submission: 2025-07-20 20:41:00

IP

Time of First Successful Submission: 2025-07-21 08:54:04

TCP

Time of First Successful Submission: 2025-07-21 09:01:14

TCP Handshake

Time of First Successful Submission: 2025-07-21 09:27:01

UDP

Time of First Successful Submission: 2025-07-21 10:26:01

UDP 2

Time of First Successful Submission: 2025-07-21 10:30:46

UDP Spoofing 1

Time of First Successful Submission: 2025-07-21 11:30:15

UDP Spoofing 2

Time of First Successful Submission: 2025-07-21 11:43:16

UDP Spoofing 3

Time of First Successful Submission: 2025-07-21 13:41:39

UDP Spoofing 4

Time of First Successful Submission: 2025-07-21 15:23:56

ARP

Time of First Successful Submission: 2025-07-21 15:31:37

Intercept

Time of First Successful Submission: 2025-07-21 15:37:39

Man-in-the-Middle

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

XOR

Time of First Successful Submission: 2025-07-23 09:36:19

XORing Hex

Time of First Successful Submission: 2025-07-23 09:44:57

XORing ASCII

Time of First Successful Submission: 2025-07-23 09:54:57

XORing ASCII Strings

Time of First Successful Submission: 2025-07-23 10:02:04

One-time Pad

Time of First Successful Submission: 2025-07-23 12:50:47

One-time Pad Tampering

Time of First Successful Submission: 2025-07-23 13:05:01

Many-time Pad

Time of First Successful Submission: 2025-07-23 13:12:19

AES

Time of First Successful Submission: 2025-07-23 13:18:18

AES-ECB-CPA

Time of First Successful Submission: 2025-07-23 14:41:49

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-07-23 15:15:52

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-07-23 15:34:09

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-07-24 07:14:52

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-07-24 13:07:47

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-07-27 11:02:33

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-07-27 11:05:13

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-07-27 11:08:52

Reading Endianness (Python)

Time of First Successful Submission: 2025-07-27 11:18:11

Reading Endianness (C)

Time of First Successful Submission: 2025-07-27 11:20:30

Reading Endianness (x86)

Time of First Successful Submission: 2025-07-27 11:23:48

Version Information (Python)

Time of First Successful Submission: 2025-07-27 11:30:56

Version Information (C)

Time of First Successful Submission: 2025-07-27 11:32:31

Version Information (x86)

Time of First Successful Submission: 2025-07-27 11:34:48

Metadata and Data (Python)

Time of First Successful Submission: 2025-07-27 11:39:31

Metadata and Data (C)

Time of First Successful Submission: 2025-07-27 11:44:18

Metadata and Data (x86)

Time of First Successful Submission: 2025-07-27 12:33:42

Input Restrictions (Python)

Time of First Successful Submission: 2025-07-27 12:51:57

Input Restrictions (C)

Time of First Successful Submission: 2025-07-27 12:53:03

Input Restrictions (x86)

Time of First Successful Submission: 2025-07-27 13:04:03

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-07-30 09:44:26

Behold the cIMG! (C)

Time of First Successful Submission: 2025-07-30 09:47:53

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-07-30 10:02:44

A Basic cIMG (Python)

Time of First Successful Submission: 2025-07-30 10:46:42

A Basic cIMG (C)

Time of First Successful Submission: 2025-07-30 10:51:11

A Basic cIMG (x86)

Time of First Successful Submission: 2025-07-30 10:55:15

Internal State Mini (C)

Time of First Successful Submission: 2025-08-03 09:18:06

Internal State Mini (x86)

Time of First Successful Submission: 2025-08-03 09:44:40

Internal State (C)

Time of First Successful Submission: 2025-08-03 11:45:43

Internal State (x86)

Time of First Successful Submission: 2025-08-03 12:50:07

File Formats: Directives (C)

Time of First Successful Submission: 2025-08-05 09:57:47

File Formats: Directives (x86)

Time of First Successful Submission: 2025-08-05 10:22:12

The Patch Directive

Time of First Successful Submission: 2025-08-06 08:22:33

Optimizing for Space

Time of First Successful Submission: 2025-08-06 09:39:25

Tweaking Images

Time of First Successful Submission: 2025-08-06 11:15:44

Storage and Retrieval

Time of First Successful Submission: 2025-08-08 09:53:30

Extracting Knowledge

Time of First Successful Submission: 2025-08-08 11:15:09

Advanced Sprites

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

Accessing Resources

Time of First Successful Submission: 2025-08-10 12:47:06

Unsafe Animations

Time of First Successful Submission: 2025-08-10 13:04:33

Animations

Time of First Successful Submission: 2025-08-11 05:25:39

Interoperability: Patching Data

Time of First Successful Submission: 2025-08-11 06:12:37

Patching Code

Time of First Successful Submission: 2025-08-11 06:41:34

Patching Control Flow

Time of First Successful Submission: 2025-08-11 07:31:46

Your First Overflow (easy)

Time of First Successful Submission: 2025-08-13 19:56:27

Your First Overflow (hard)

Time of First Successful Submission: 2025-08-14 12:24:22

Precision (easy)

Time of First Successful Submission: 2025-08-14 12:26:43

Precision (hard)

Time of First Successful Submission: 2025-08-15 08:53:04

Variable Control (easy)

Time of First Successful Submission: 2025-08-15 09:04:15

Variable Control (hard)

Time of First Successful Submission: 2025-08-15 09:07:23

Control Hijack (easy)

Time of First Successful Submission: 2025-08-15 09:24:20

Control Hijack (hard)

Time of First Successful Submission: 2025-08-16 11:57:34

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-08-16 12:10:29

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-08-16 12:18:13

PIEs (easy)

Time of First Successful Submission: 2025-08-17 20:25:04

PIEs (hard)

Time of First Successful Submission: 2025-08-17 20:29:12

String Lengths (easy)

Time of First Successful Submission: 2025-08-18 08:10:43

String Lengths (hard)

Time of First Successful Submission: 2025-08-18 08:19:22

Basic Shellcode

Time of First Successful Submission: 2025-08-19 12:08:47

NOP Sleds

Time of First Successful Submission: 2025-08-19 12:11:43

NULL-Free Shellcode

Time of First Successful Submission: 2025-08-19 12:40:37

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-08-20 13:38:38

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-08-20 13:42:27

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-08-21 09:34:41

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-08-21 09:36:23


Start Here

11 / 12 2600 / 43711


Using the Terminal

Time of First Successful Submission: 2025-08-11 11:05:02

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-15 09:38:14

Using the GUI Desktop

Time of First Successful Submission: 2025-06-15 09:39:04

Pasting into the Desktop

Time of First Successful Submission: 2025-06-15 09:39:56

Restarting Challenges

Time of First Successful Submission: 2025-06-15 09:42:29

Challenge Programs

Time of First Successful Submission: 2025-06-15 09:45:53

The Flag File

Time of First Successful Submission: 2025-06-15 09:47:16

Using Privileged Mode

Time of First Successful Submission: 2025-06-15 09:48:42

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-15 09:49:38

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-15 09:50:07


Linux Luminarium

108 / 128 5582 / 32719


Intro to Commands

Time of First Successful Submission: 2025-06-19 20:03:33

Intro to Arguments

Time of First Successful Submission: 2025-06-19 20:04:06

Command History

Time of First Successful Submission: 2025-06-19 20:04:35

The Root

Time of First Successful Submission: 2025-06-19 20:07:21

Program and absolute paths

Time of First Successful Submission: 2025-06-19 20:07:52

Position thy self

Time of First Successful Submission: 2025-06-19 20:08:35

Position elsewhere

Time of First Successful Submission: 2025-06-19 20:09:07

implicit relative paths, from /

Time of First Successful Submission: 2025-06-19 20:10:28

explicit relative paths, from /

Time of First Successful Submission: 2025-06-19 20:11:17

implicit relative path

Time of First Successful Submission: 2025-06-19 20:11:58

home sweet home

Time of First Successful Submission: 2025-06-19 20:13:58

cat: not the pet, but the command!

Time of First Successful Submission: 2025-06-19 20:15:28

catting absolute paths

Time of First Successful Submission: 2025-06-19 20:15:48

more catting practice

Time of First Successful Submission: 2025-06-19 20:16:23

grepping for a needle in a haystack

Time of First Successful Submission: 2025-06-19 20:17:07

listing files

Time of First Successful Submission: 2025-06-19 20:17:37

touching files

Time of First Successful Submission: 2025-06-19 20:18:19

removing files

Time of First Successful Submission: 2025-06-19 20:18:44

moving files

Time of First Successful Submission: 2025-06-19 20:19:31

hidden files

Time of First Successful Submission: 2025-06-19 20:20:04

An Epic Filesystem Quest

Time of First Successful Submission: 2025-06-19 20:24:52

making directories

Time of First Successful Submission: 2025-06-19 20:25:23

finding files

Time of First Successful Submission: 2025-06-19 20:26:32

linking files

Time of First Successful Submission: 2025-06-19 20:29:12

Learning From Documentation

Time of First Successful Submission: 2025-06-20 10:06:02

Learning Complex Usage

Time of First Successful Submission: 2025-06-20 10:07:07

Reading Manuals

Time of First Successful Submission: 2025-06-20 10:09:02

Searching Manuals

Time of First Successful Submission: 2025-06-20 10:11:45

Searching For Manuals

Time of First Successful Submission: 2025-06-20 10:17:19

Helpful Programs

Time of First Successful Submission: 2025-06-20 10:18:39

Help for Builtins

Time of First Successful Submission: 2025-06-20 10:19:29

Matching with *

Time of First Successful Submission: 2025-06-20 10:20:53

Matching with ?

Time of First Successful Submission: 2025-06-20 10:21:31

Matching with []

Time of First Successful Submission: 2025-06-20 10:22:24

Matching paths with []

Time of First Successful Submission: 2025-06-20 10:23:20

Multiple globs

Time of First Successful Submission: 2025-06-20 10:24:21

Mixing globs

Time of First Successful Submission: 2025-06-20 10:44:29

Exclusionary globbing

Time of First Successful Submission: 2025-06-20 10:46:06

Tab completion

Time of First Successful Submission: 2025-06-20 10:47:03

Multiple options for tab completion

Time of First Successful Submission: 2025-06-20 10:47:45

Tab completion on commands

Time of First Successful Submission: 2025-06-20 10:48:10

Redirecting output

Time of First Successful Submission: 2025-06-20 12:01:32

Redirecting more output

Time of First Successful Submission: 2025-06-20 12:02:05

Appending output

Time of First Successful Submission: 2025-06-20 12:03:27

Redirecting errors

Time of First Successful Submission: 2025-06-20 12:05:23

Redirecting input

Time of First Successful Submission: 2025-06-20 12:06:21

Grepping stored results

Time of First Successful Submission: 2025-06-20 12:07:08

Grepping live output

Time of First Successful Submission: 2025-06-20 12:07:57

Grepping errors

Time of First Successful Submission: 2025-06-20 12:09:58

Filtering with grep -v

Time of First Successful Submission: 2025-06-20 12:10:57

Duplicating piped data with tee

Time of First Successful Submission: 2025-06-20 12:30:55

Writing to multiple programs

Time of First Successful Submission: 2025-06-20 12:42:28

Split-piping stderr and stdout

Time of First Successful Submission: 2025-06-20 13:43:51

Printing Variables

Time of First Successful Submission: 2025-06-20 15:13:18

Setting Variables

Time of First Successful Submission: 2025-06-20 15:14:00

Multi-word Variables

Time of First Successful Submission: 2025-06-20 15:14:35

Exporting Variables

Time of First Successful Submission: 2025-06-20 15:16:01

Printing Exported Variables

Time of First Successful Submission: 2025-06-20 15:16:26

Storing Command Output

Time of First Successful Submission: 2025-06-20 15:19:08

Reading Input

Time of First Successful Submission: 2025-06-20 15:19:59

Reading Files

Time of First Successful Submission: 2025-06-20 15:25:39

Translating characters

Time of First Successful Submission: 2025-06-20 15:30:53

Deleting characters

Time of First Successful Submission: 2025-06-20 15:31:41

Deleting newlines

Time of First Successful Submission: 2025-06-20 15:32:58

Extracting the first lines with head

Time of First Successful Submission: 2025-06-20 15:33:43

Extracting specific sections of text

Time of First Successful Submission: 2025-06-20 15:35:27

Sorting data

Time of First Successful Submission: 2025-08-18 07:45:24

Listing Processes

Time of First Successful Submission: 2025-06-20 15:38:51

Killing Processes

Time of First Successful Submission: 2025-06-20 15:39:56

Interrupting Processes

Time of First Successful Submission: 2025-06-20 15:40:21

Suspending Processes

Time of First Successful Submission: 2025-06-20 15:41:02

Resuming Processes

Time of First Successful Submission: 2025-06-20 15:41:33

Backgrounding Processes

Time of First Successful Submission: 2025-06-20 15:43:01

Foregrounding Processes

Time of First Successful Submission: 2025-06-20 15:43:39

Starting Backgrounded Processes

Time of First Successful Submission: 2025-06-20 15:47:51

Process Exit Codes

Time of First Successful Submission: 2025-06-20 15:49:39

Becoming root with su

Time of First Successful Submission: 2025-06-21 09:59:15

Other users with su

Time of First Successful Submission: 2025-06-21 10:00:18

Cracking passwords

Time of First Successful Submission: 2025-06-21 10:05:22

Using sudo

Time of First Successful Submission: 2025-06-21 10:06:50

Changing File Ownership

Time of First Successful Submission: 2025-06-20 16:02:57

Groups and Files

Time of First Successful Submission: 2025-06-20 16:05:47

Fun With Groups Names

Time of First Successful Submission: 2025-06-20 16:06:22

Changing Permissions

Time of First Successful Submission: 2025-06-20 16:10:27

Executable Files

Time of First Successful Submission: 2025-06-20 16:11:31

Permission Tweaking Practice

Time of First Successful Submission: 2025-06-20 16:16:46

Permissions Setting Practice

Time of First Successful Submission: 2025-06-20 16:22:58

The SUID Bit

Time of First Successful Submission: 2025-06-20 16:24:49

Chaining with Semicolons

Time of First Successful Submission: 2025-06-21 10:08:07

Your First Shell Script

Time of First Successful Submission: 2025-06-21 10:09:29

Redirecting Script Output

Time of First Successful Submission: 2025-06-21 10:12:36

Executable Shell Scripts

Time of First Successful Submission: 2025-06-21 10:13:33

The PATH Variable

Time of First Successful Submission: 2025-06-21 11:32:05

Setting PATH

Time of First Successful Submission: 2025-06-21 11:33:09

Finding Commands

Time of First Successful Submission: 2025-06-21 11:33:55

Adding Commands

Time of First Successful Submission: 2025-06-21 11:40:06

Hijacking Commands

Time of First Successful Submission: 2025-06-21 11:42:09

Bashrc Backdoor

Time of First Successful Submission: 2025-06-21 11:44:26

Sniffing Input

Time of First Successful Submission: 2025-06-21 11:48:14

Overshared Directories

Time of First Successful Submission: 2025-06-21 11:53:25

Tricky Linking

Time of First Successful Submission: 2025-06-21 12:18:58

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-21 13:09:23

Snooping on Configurations

Time of First Successful Submission: 2025-06-21 13:10:53

The Fork Bomb

Time of First Successful Submission: 2025-06-21 13:22:22

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-21 13:24:32

rm -rf /

Time of First Successful Submission: 2025-06-21 13:26:27

Life after rm -rf /

Time of First Successful Submission: 2025-06-21 13:29:26

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-21 13:31:05


Computing 101

68 / 94 1601 / 21679


Your First Register

Time of First Successful Submission: 2025-06-16 17:55:18

Your First Syscall

Time of First Successful Submission: 2025-06-16 17:57:03

Exit Codes

Time of First Successful Submission: 2025-06-16 17:58:05

Building Executables

Time of First Successful Submission: 2025-06-16 18:01:39

Moving Between Registers

Time of First Successful Submission: 2025-06-16 18:03:33

Loading From Memory

Time of First Successful Submission: 2025-06-17 12:33:09

More Loading Practice

Time of First Successful Submission: 2025-06-17 12:34:03

Dereferencing Pointers

Time of First Successful Submission: 2025-06-17 12:36:30

Dereferencing Yourself

Time of First Successful Submission: 2025-06-17 12:39:39

Dereferencing with Offsets

Time of First Successful Submission: 2025-06-17 12:41:17

Stored Addresses

Time of First Successful Submission: 2025-06-17 12:44:12

Double Dereference

Time of First Successful Submission: 2025-06-17 12:47:35

Tracing Syscalls

Time of First Successful Submission: 2025-06-16 18:06:15

Starting GDB

Time of First Successful Submission: 2025-06-16 18:07:05

Starting Programs in GDB

Time of First Successful Submission: 2025-06-16 18:07:56

Writing Output

Time of First Successful Submission: 2025-06-17 12:57:28

Chaining Syscalls

Time of First Successful Submission: 2025-06-17 12:58:37

Writing Strings

Time of First Successful Submission: 2025-06-17 12:59:20

Reading Data

Time of First Successful Submission: 2025-06-17 13:01:29

set-register

Time of First Successful Submission: 2025-06-17 16:39:38

set-multiple-registers

Time of First Successful Submission: 2025-06-17 16:41:04

add-to-register

Time of First Successful Submission: 2025-06-18 09:02:07

linear-equation-registers

Time of First Successful Submission: 2025-06-18 09:03:22

integer-division

Time of First Successful Submission: 2025-06-18 09:06:46

modulo-operation

Time of First Successful Submission: 2025-06-18 09:08:14

set-upper-byte

Time of First Successful Submission: 2025-06-18 09:09:58

efficient-modulo

Time of First Successful Submission: 2025-06-18 09:18:59

byte-extraction

Time of First Successful Submission: 2025-06-18 09:23:26

bitwise-and

Time of First Successful Submission: 2025-06-18 17:26:34

check-even

Time of First Successful Submission: 2025-06-19 07:51:38

memory-read

Time of First Successful Submission: 2025-06-18 18:11:03

memory-write

Time of First Successful Submission: 2025-06-18 18:13:48

memory-increment

Time of First Successful Submission: 2025-06-18 18:19:39

byte-access

Time of First Successful Submission: 2025-06-18 18:23:01

memory-size-access

Time of First Successful Submission: 2025-06-18 18:24:42

little-endian-write

Time of First Successful Submission: 2025-06-18 18:28:38

memory-sum

Time of First Successful Submission: 2025-06-18 18:30:46

stack-subtraction

Time of First Successful Submission: 2025-06-18 18:33:22

swap-stack-values

Time of First Successful Submission: 2025-06-18 18:38:25

average-stack-values

Time of First Successful Submission: 2025-06-18 18:57:04

absolute-jump

Time of First Successful Submission: 2025-06-19 07:53:36

relative-jump

Time of First Successful Submission: 2025-06-19 07:56:49

jump-trampoline

Time of First Successful Submission: 2025-06-19 07:58:05

conditional-jump

Time of First Successful Submission: 2025-06-19 09:31:56

indirect-jump

Time of First Successful Submission: 2025-06-19 19:15:56

average-loop

Time of First Successful Submission: 2025-06-23 15:28:56

count-non-zero

Time of First Successful Submission: 2025-06-23 15:49:24

string-lower

Time of First Successful Submission: 2025-06-24 07:37:02

most-common-byte

Time of First Successful Submission: 2025-06-27 08:18:15

Exit

Time of First Successful Submission: 2025-07-04 14:34:26

Socket

Time of First Successful Submission: 2025-07-04 15:02:09

Bind

Time of First Successful Submission: 2025-07-04 15:38:09

Listen

Time of First Successful Submission: 2025-07-04 15:42:04

Accept

Time of First Successful Submission: 2025-07-04 15:50:09

Static Response

Time of First Successful Submission: 2025-07-04 16:01:55

Dynamic Response

Time of First Successful Submission: 2025-07-04 19:48:45

Iterative GET Server

Time of First Successful Submission: 2025-07-05 08:37:29

Concurrent GET Server

Time of First Successful Submission: 2025-07-05 09:07:50

Concurrent POST Server

Time of First Successful Submission: 2025-07-05 09:51:01

Web Server

Time of First Successful Submission: 2025-07-05 10:31:35

Debugging Programs

Time of First Successful Submission: 2025-06-24 09:27:09

Inspecting Registers

Time of First Successful Submission: 2025-06-24 09:28:09

Examining Memory

Time of First Successful Submission: 2025-06-25 08:28:07

Setting Breakpoints

Time of First Successful Submission: 2025-06-25 09:00:01

GDB Scripting

Time of First Successful Submission: 2025-06-25 09:37:04

Modifying Data

Time of First Successful Submission: 2025-06-26 08:53:41

Modifying Execution

Time of First Successful Submission: 2025-06-26 11:40:15

Broken Functions

Time of First Successful Submission: 2025-06-26 12:05:44


Playing With Programs

116 / 116 227 / 23459


What's the password?

Time of First Successful Submission: 2025-07-06 11:07:30

... and again!

Time of First Successful Submission: 2025-07-06 11:07:56

Newline Troubles

Time of First Successful Submission: 2025-07-06 11:08:55

Reasoning about files

Time of First Successful Submission: 2025-07-06 11:10:17

Specifying Filenames

Time of First Successful Submission: 2025-07-06 11:11:00

Binary and Hex Encoding

Time of First Successful Submission: 2025-07-06 20:23:03

More Hex

Time of First Successful Submission: 2025-07-06 20:24:43

Decoding Hex

Time of First Successful Submission: 2025-07-06 20:27:20

Decoding Practice

Time of First Successful Submission: 2025-07-06 20:33:34

Encoding Practice

Time of First Successful Submission: 2025-07-06 20:42:32

Hex-encoding ASCII

Time of First Successful Submission: 2025-07-07 06:42:26

Nested Encoding

Time of First Successful Submission: 2025-07-07 06:47:02

Hex-encoding UTF-8

Time of First Successful Submission: 2025-07-07 06:50:56

UTF Mixups

Time of First Successful Submission: 2025-07-07 06:55:37

Modifying Encoded Data

Time of First Successful Submission: 2025-07-07 07:36:53

Decoding Base64

Time of First Successful Submission: 2025-07-07 07:41:42

Encoding Base64

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

Dealing with Obfuscation

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

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-07-07 07:54:50

Your First HTTP Request

Time of First Successful Submission: 2025-07-09 07:47:23

Reading Flask

Time of First Successful Submission: 2025-07-09 07:49:11

Commented Data

Time of First Successful Submission: 2025-07-09 07:50:55

HTTP Metadata

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

HTTP (netcat)

Time of First Successful Submission: 2025-07-09 07:55:03

HTTP Paths (netcat)

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

HTTP (curl)

Time of First Successful Submission: 2025-07-09 07:57:28

HTTP (python)

Time of First Successful Submission: 2025-07-09 07:59:33

HTTP Host Header (python)

Time of First Successful Submission: 2025-07-09 08:02:03

HTTP Host Header (curl)

Time of First Successful Submission: 2025-07-09 08:10:01

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-07-09 08:14:42

URL Encoding (netcat)

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

HTTP GET Parameters

Time of First Successful Submission: 2025-07-09 08:19:18

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-07-09 08:21:01

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-07-09 08:22:29

HTTP Forms

Time of First Successful Submission: 2025-07-09 08:24:53

HTTP Forms (curl)

Time of First Successful Submission: 2025-07-09 08:27:43

HTTP Forms (netcat)

Time of First Successful Submission: 2025-07-09 08:31:41

HTTP Forms (python)

Time of First Successful Submission: 2025-07-09 08:36:13

HTTP Forms Without Forms

Time of First Successful Submission: 2025-07-09 08:44:36

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-07-09 08:46:20

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-07-09 09:12:18

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-07-09 11:06:46

HTTP Redirects (curl)

Time of First Successful Submission: 2025-07-09 11:11:10

HTTP Redirects (python)

Time of First Successful Submission: 2025-07-09 11:16:36

HTTP Cookies (curl)

Time of First Successful Submission: 2025-07-10 06:46:49

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-07-10 06:47:52

HTTP Cookies (python)

Time of First Successful Submission: 2025-07-10 06:51:25

Server State (python)

Time of First Successful Submission: 2025-07-10 06:52:54

Listening Web

Time of First Successful Submission: 2025-07-10 06:57:29

Speaking Redirects

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

JavaScript Redirects

Time of First Successful Submission: 2025-07-10 07:15:46

Including JavaScript

Time of First Successful Submission: 2025-07-10 07:42:46

HTTP (javascript)

Time of First Successful Submission: 2025-07-10 12:19:18

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-07-10 12:26:05

HTTP Forms (javascript)

Time of First Successful Submission: 2025-07-10 12:40:29

cat

Time of First Successful Submission: 2025-07-10 14:06:55

more

Time of First Successful Submission: 2025-07-10 14:07:17

less

Time of First Successful Submission: 2025-07-10 14:07:33

tail

Time of First Successful Submission: 2025-07-10 14:08:07

head

Time of First Successful Submission: 2025-07-10 14:08:27

sort

Time of First Successful Submission: 2025-07-10 14:08:50

vim

Time of First Successful Submission: 2025-07-10 14:12:47

emacs

Time of First Successful Submission: 2025-07-10 14:13:14

nano

Time of First Successful Submission: 2025-07-10 14:13:33

rev

Time of First Successful Submission: 2025-07-10 14:13:59

od

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

hd

Time of First Successful Submission: 2025-07-10 14:20:34

xxd

Time of First Successful Submission: 2025-07-10 14:22:48

base32

Time of First Successful Submission: 2025-07-10 14:23:24

base64

Time of First Successful Submission: 2025-07-10 14:23:50

split

Time of First Successful Submission: 2025-07-10 14:26:31

gzip

Time of First Successful Submission: 2025-07-10 14:30:19

bzip2

Time of First Successful Submission: 2025-07-10 14:32:20

zip

Time of First Successful Submission: 2025-07-10 14:37:10

tar

Time of First Successful Submission: 2025-07-10 14:46:49

ar

Time of First Successful Submission: 2025-07-10 14:52:38

cpio

Time of First Successful Submission: 2025-07-10 14:56:52

genisoimage

Time of First Successful Submission: 2025-07-10 15:08:06

env

Time of First Successful Submission: 2025-07-10 15:09:15

find

Time of First Successful Submission: 2025-07-10 18:39:59

make

Time of First Successful Submission: 2025-07-10 18:41:55

nice

Time of First Successful Submission: 2025-07-10 18:44:31

timeout

Time of First Successful Submission: 2025-07-10 18:45:09

stdbuf

Time of First Successful Submission: 2025-07-10 18:46:09

setarch

Time of First Successful Submission: 2025-07-10 18:47:08

watch

Time of First Successful Submission: 2025-07-11 16:56:22

socat

Time of First Successful Submission: 2025-07-11 17:07:52

whiptail

Time of First Successful Submission: 2025-07-11 17:45:52

awk

Time of First Successful Submission: 2025-07-11 17:59:32

sed

Time of First Successful Submission: 2025-07-11 18:04:53

ed

Time of First Successful Submission: 2025-07-13 09:33:52

chown

Time of First Successful Submission: 2025-07-13 09:34:33

chmod

Time of First Successful Submission: 2025-07-13 09:35:03

cp

Time of First Successful Submission: 2025-07-13 09:35:23

mv

Time of First Successful Submission: 2025-07-13 09:47:06

perl

Time of First Successful Submission: 2025-07-13 09:49:06

python

Time of First Successful Submission: 2025-07-13 09:56:56

ruby

Time of First Successful Submission: 2025-07-13 09:57:54

bash

Time of First Successful Submission: 2025-07-13 10:17:24

date

Time of First Successful Submission: 2025-07-13 10:18:06

dmesg

Time of First Successful Submission: 2025-07-13 10:19:44

wc

Time of First Successful Submission: 2025-07-13 10:22:43

gcc

Time of First Successful Submission: 2025-07-13 10:27:59

as

Time of First Successful Submission: 2025-07-13 10:29:02

wget

Time of First Successful Submission: 2025-07-13 10:44:55

ssh-keygen

Time of First Successful Submission: 2025-07-13 18:24:07

SQL Queries

Time of First Successful Submission: 2025-07-14 11:21:23

Filtering SQL

Time of First Successful Submission: 2025-07-14 11:23:09

Choosing Columns

Time of First Successful Submission: 2025-07-14 11:24:04

Exclusionary Filtering

Time of First Successful Submission: 2025-07-14 11:25:53

Filtering Strings

Time of First Successful Submission: 2025-07-14 11:26:37

Filtering on Expressions

Time of First Successful Submission: 2025-07-14 11:32:52

SELECTing Expressions

Time of First Successful Submission: 2025-07-14 11:40:05

Composite Conditions

Time of First Successful Submission: 2025-07-14 11:43:25

Reaching Your LIMITs

Time of First Successful Submission: 2025-07-14 11:44:49

Querying Metadata

Time of First Successful Submission: 2025-07-14 11:47:11


GCA CTF

11 / 104 2821 / 43989


Using the Terminal

Time of First Successful Submission: 2025-08-11 11:05:02

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-15 09:38:14

Using the GUI Desktop

Time of First Successful Submission: 2025-06-15 09:39:04

Pasting into the Desktop

Time of First Successful Submission: 2025-06-15 09:39:56

Restarting Challenges

Time of First Successful Submission: 2025-06-15 09:42:29

Getting Help

Time of First Successful Submission: 2025-06-15 09:44:29

Challenge Programs

Time of First Successful Submission: 2025-06-15 09:45:53

The Flag File

Time of First Successful Submission: 2025-06-15 09:47:16

Using Privileged Mode

Time of First Successful Submission: 2025-06-15 09:48:42

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-15 09:49:38

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-15 09:50:07