axnnie

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-13 04:16:33

Command Arguments

Time of First Successful Submission: 2026-01-13 04:17:17

Command History

Time of First Successful Submission: 2026-01-13 04:17:56

The Root Path

Time of First Successful Submission: 2026-01-13 17:43:10

Absolute Paths

Time of First Successful Submission: 2026-01-13 17:44:18

Changing position

Time of First Successful Submission: 2026-01-13 17:45:49

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-13 17:48:26

Relative Paths

Time of First Successful Submission: 2026-01-13 17:53:45

Cat

Time of First Successful Submission: 2026-01-13 18:17:07

Ls

Time of First Successful Submission: 2026-01-13 18:29:01

Ls All

Time of First Successful Submission: 2026-01-13 18:53:03

Find

Time of First Successful Submission: 2026-01-13 19:25:38

Piping Echo

Time of First Successful Submission: 2026-01-14 03:21:52

Piping Stdout

Time of First Successful Submission: 2026-01-14 03:25:05

Piping Stdin

Time of First Successful Submission: 2026-01-14 05:09:48

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-02-07 05:55:40

Path Traversal 2

Time of First Successful Submission: 2026-02-07 06:39:20

CMDi 1

Time of First Successful Submission: 2026-02-07 21:35:52

CMDi 2

Time of First Successful Submission: 2026-02-07 21:41:49

CMDi 3

Time of First Successful Submission: 2026-02-07 21:47:21

CMDi 4

Time of First Successful Submission: 2026-02-07 21:51:33

CMDi 5

Time of First Successful Submission: 2026-02-07 21:57:28

CMDi 6

Time of First Successful Submission: 2026-03-06 05:32:18

Authentication Bypass 1

Time of First Successful Submission: 2026-02-08 05:55:42

Authentication Bypass 2

Time of First Successful Submission: 2026-02-08 06:01:09

SQLi 1

Time of First Successful Submission: 2026-02-08 06:17:26

SQLi 2

Time of First Successful Submission: 2026-02-08 06:23:06

SQLi 3

Time of First Successful Submission: 2026-02-08 06:26:58

SQLi 4

Time of First Successful Submission: 2026-02-08 06:30:35

SQLi 5

Time of First Successful Submission: 2026-02-13 01:14:17

XSS 1

Time of First Successful Submission: 2026-02-13 01:57:04

XSS 2

Time of First Successful Submission: 2026-02-13 02:02:02

XSS 3

Time of First Successful Submission: 2026-02-13 02:21:23

XSS 4

Time of First Successful Submission: 2026-02-13 02:29:21

XSS 5

Time of First Successful Submission: 2026-02-13 03:01:26

XSS 6

Time of First Successful Submission: 2026-02-13 03:12:29

XSS 7

Time of First Successful Submission: 2026-02-15 06:17:47

CSRF 1

Time of First Successful Submission: 2026-02-15 06:26:58

CSRF 2

Time of First Successful Submission: 2026-02-15 06:30:41

CSRF 3

Time of First Successful Submission: 2026-02-15 06:38:14

CSRF 4

Time of First Successful Submission: 2026-02-15 06:41:25

CSRF 5

Time of First Successful Submission: 2026-02-15 06:49:22

Connect

Time of First Successful Submission: 2026-04-09 22:25:29

Send

Time of First Successful Submission: 2026-04-09 23:11:48

Shutdown

Time of First Successful Submission: 2026-04-09 23:16:10

Listen

Time of First Successful Submission: 2026-04-09 23:46:17

Scan 1

Time of First Successful Submission: 2026-04-12 00:14:51

Scan 2

Time of First Successful Submission: 2026-04-12 00:22:41

Monitor 1

Time of First Successful Submission: 2026-04-12 00:35:14

Monitor 2

Time of First Successful Submission: 2026-04-12 00:37:26

Sniffing Cookies

Time of First Successful Submission: 2026-04-12 00:46:26

Network Configuration

Time of First Successful Submission: 2026-04-12 01:41:19

Firewall 1

Time of First Successful Submission: 2026-04-12 02:23:28

Firewall 2

Time of First Successful Submission: 2026-04-12 02:25:10

Firewall 3

Time of First Successful Submission: 2026-04-12 02:28:10

Denial of Service 1

Time of First Successful Submission: 2026-04-12 02:47:39

Denial of Service 2

Time of First Successful Submission: 2026-04-13 04:35:48

Denial of Service 3

Time of First Successful Submission: 2026-04-16 01:30:24

Ethernet

Time of First Successful Submission: 2026-04-16 23:20:01

IP

Time of First Successful Submission: 2026-04-16 23:23:24

TCP

Time of First Successful Submission: 2026-04-16 23:27:32

TCP Handshake

Time of First Successful Submission: 2026-04-16 23:35:13

UDP

Time of First Successful Submission: 2026-04-17 04:59:47

UDP 2

Time of First Successful Submission: 2026-04-17 05:04:42

UDP Spoofing 1

Time of First Successful Submission: 2026-04-17 05:18:14

UDP Spoofing 2

Time of First Successful Submission: 2026-04-17 05:27:06

UDP Spoofing 3

Time of First Successful Submission: 2026-04-17 17:30:15

UDP Spoofing 4

Time of First Successful Submission: 2026-04-17 17:43:53

ARP

Time of First Successful Submission: 2026-04-17 17:48:30

Intercept

Time of First Successful Submission: 2026-04-17 19:59:49

Man-in-the-Middle

Time of First Successful Submission: 2026-04-19 18:53:20

XOR

Time of First Successful Submission: 2026-04-22 19:58:13

XORing Hex

Time of First Successful Submission: 2026-04-22 20:15:22

XORing ASCII

Time of First Successful Submission: 2026-04-23 00:27:49

XORing ASCII Strings

Time of First Successful Submission: 2026-04-23 03:46:48

One-time Pad

Time of First Successful Submission: 2026-04-23 20:49:42

One-time Pad Tampering

Time of First Successful Submission: 2026-04-23 21:10:19

Many-time Pad

Time of First Successful Submission: 2026-04-23 21:43:55

AES

Time of First Successful Submission: 2026-04-23 22:24:43

AES-ECB-CPA

Time of First Successful Submission: 2026-04-23 23:33:20

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-23 23:58:38

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-24 00:10:51

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-24 19:45:18

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-24 22:31:25

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-24 22:39:30

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-24 23:22:01

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-25 01:49:35

AES-CBC

Time of First Successful Submission: 2026-04-25 02:09:51

AES-CBC Tampering

Time of First Successful Submission: 2026-04-25 03:42:39

AES-CBC Resizing

Time of First Successful Submission: 2026-04-25 03:45:35

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-25 04:14:01

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-25 04:49:28

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-25 04:57:33

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-25 05:10:14

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-25 05:16:31

DHKE

Time of First Successful Submission: 2026-04-25 21:41:09

DHKE-to-AES

Time of First Successful Submission: 2026-04-25 22:12:59

RSA 1

Time of First Successful Submission: 2026-04-25 23:05:54

RSA 2

Time of First Successful Submission: 2026-04-25 23:28:59

RSA 3

Time of First Successful Submission: 2026-04-25 23:40:05

RSA 4

Time of First Successful Submission: 2026-04-25 23:58:04

RSA Signatures

Time of First Successful Submission: 2026-04-26 00:14:01

SHA 1

Time of First Successful Submission: 2026-04-26 00:30:53

SHA 2

Time of First Successful Submission: 2026-04-26 00:39:44

TLS 1

Time of First Successful Submission: 2026-04-26 01:12:38

TLS 2

Time of First Successful Submission: 2026-04-26 01:33:02

level1

Time of First Successful Submission: 2026-04-27 04:06:21

level2

Time of First Successful Submission: 2026-04-27 04:08:05

level3

Time of First Successful Submission: 2026-04-27 04:22:45

level4

Time of First Successful Submission: 2026-04-27 04:30:03

level5

Time of First Successful Submission: 2026-04-27 04:42:38

level6

Time of First Successful Submission: 2026-04-27 04:46:14

level7

Time of First Successful Submission: 2026-04-27 06:32:22

level8

Time of First Successful Submission: 2026-04-27 06:34:34

level9

Time of First Successful Submission: 2026-04-27 06:35:46

level10

Time of First Successful Submission: 2026-04-27 06:37:51

level11

Time of First Successful Submission: 2026-04-27 22:17:51

level12

Time of First Successful Submission: 2026-04-27 22:31:26

level13

Time of First Successful Submission: 2026-04-27 22:32:48

level14

Time of First Successful Submission: 2026-04-27 22:33:55

level15

Time of First Successful Submission: 2026-04-27 22:36:59

level16

Time of First Successful Submission: 2026-04-27 22:38:44

level17

Time of First Successful Submission: 2026-04-27 23:08:22

level18

Time of First Successful Submission: 2026-04-27 23:09:28

level19

Time of First Successful Submission: 2026-04-27 23:20:17

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-06 05:00:07

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-06 05:07:29

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-03-06 05:14:56

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-06 05:23:18

Reading Endianness (C)

Time of First Successful Submission: 2026-03-06 05:27:25

Reading Endianness (x86)

Time of First Successful Submission: 2026-03-06 05:29:25

Version Information (Python)

Time of First Successful Submission: 2026-03-06 23:41:22

Version Information (C)

Time of First Successful Submission: 2026-03-06 23:45:43

Version Information (x86)

Time of First Successful Submission: 2026-03-07 00:09:49

Metadata and Data (Python)

Time of First Successful Submission: 2026-03-07 00:45:25

Metadata and Data (C)

Time of First Successful Submission: 2026-03-07 01:19:16

Metadata and Data (x86)

Time of First Successful Submission: 2026-03-07 01:31:11

Input Restrictions (Python)

Time of First Successful Submission: 2026-03-07 05:49:20

Input Restrictions (C)

Time of First Successful Submission: 2026-03-07 05:55:10

Input Restrictions (x86)

Time of First Successful Submission: 2026-03-07 06:09:48

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-03-07 06:16:36

Behold the cIMG! (C)

Time of First Successful Submission: 2026-03-07 06:37:21

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-03-07 06:47:24

A Basic cIMG (Python)

Time of First Successful Submission: 2026-03-07 06:56:55

A Basic cIMG (C)

Time of First Successful Submission: 2026-03-12 04:58:58

A Basic cIMG (x86)

Time of First Successful Submission: 2026-03-12 05:06:58

Internal State Mini (C)

Time of First Successful Submission: 2026-03-12 22:27:52

Internal State Mini (x86)

Time of First Successful Submission: 2026-03-12 23:02:55

Internal State (C)

Time of First Successful Submission: 2026-03-13 02:21:30

Internal State (x86)

Time of First Successful Submission: 2026-03-16 01:13:17

File Formats: Directives (C)

Time of First Successful Submission: 2026-03-19 06:51:45

File Formats: Directives (x86)

Time of First Successful Submission: 2026-03-19 07:12:03

The Patch Directive

Time of First Successful Submission: 2026-03-19 22:31:34

Optimizing for Space

Time of First Successful Submission: 2026-03-19 23:43:10

Tweaking Images

Time of First Successful Submission: 2026-03-20 22:59:30

Storage and Retrieval

Time of First Successful Submission: 2026-03-22 00:35:52

Extracting Knowledge

Time of First Successful Submission: 2026-03-22 01:15:42

Advanced Sprites

Time of First Successful Submission: 2026-03-22 02:24:02

Accessing Resources

Time of First Successful Submission: 2026-03-22 03:55:44

Unsafe Animations

Time of First Successful Submission: 2026-03-22 05:20:27

Animations

Time of First Successful Submission: 2026-03-22 05:39:59

Interoperability: Patching Data

Time of First Successful Submission: 2026-03-22 19:27:05

Patching Code

Time of First Successful Submission: 2026-03-22 20:36:44

Patching Control Flow

Time of First Successful Submission: 2026-03-22 20:56:57

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-27 04:54:11

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-27 23:29:33

Precision (easy)

Time of First Successful Submission: 2026-03-27 23:39:03

Precision (hard)

Time of First Successful Submission: 2026-03-27 23:51:23

Variable Control (easy)

Time of First Successful Submission: 2026-03-28 01:17:21

Variable Control (hard)

Time of First Successful Submission: 2026-03-28 01:54:58

Control Hijack (easy)

Time of First Successful Submission: 2026-03-28 02:00:57

Control Hijack (hard)

Time of First Successful Submission: 2026-03-28 02:11:12

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-28 02:58:13

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-28 03:01:11

PIEs (easy)

Time of First Successful Submission: 2026-03-29 23:55:24

PIEs (hard)

Time of First Successful Submission: 2026-03-30 00:04:52

String Lengths (easy)

Time of First Successful Submission: 2026-03-30 00:29:19

String Lengths (hard)

Time of First Successful Submission: 2026-03-30 00:37:38

Basic Shellcode

Time of First Successful Submission: 2026-03-30 00:59:45

NOP Sleds

Time of First Successful Submission: 2026-03-30 01:03:54

NULL-Free Shellcode

Time of First Successful Submission: 2026-03-30 01:21:22

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-03-30 01:30:12

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-03-30 01:34:38

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-03-30 02:04:59

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-03-30 02:44:37

ECB-to-Win (easy)

Time of First Successful Submission: 2026-05-01 05:34:03

ECB-to-Win (hard)

Time of First Successful Submission: 2026-05-01 06:04:44

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-05-01 06:16:57

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-05-02 01:11:11

CIMG Screenshots

Time of First Successful Submission: 2026-05-07 00:03:02

CIMG Screenshots 2

Time of First Successful Submission: 2026-05-08 03:59:10

Wily Webserver

Time of First Successful Submission: 2026-05-04 02:05:44

The Watering Hole

Time of First Successful Submission: 2026-05-04 02:23:34

Secure Chat 1

Time of First Successful Submission: 2026-05-09 03:37:21

Secure Chat 2

Time of First Successful Submission: 2026-05-10 04:30:39

Secure Chat 3

Time of First Successful Submission: 2026-05-10 19:39:40

Secure Chat 4

Time of First Successful Submission: 2026-05-10 21:34:09

Secure Chat 5

Time of First Successful Submission: 2026-05-10 23:31:17

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-01-13 03:57:38

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 03:59:02

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 04:01:05

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 04:03:07

Restarting Challenges

Time of First Successful Submission: 2026-01-13 04:06:22

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-13 04:16:33

Intro to Arguments

Time of First Successful Submission: 2026-01-13 04:17:17

Command History

Time of First Successful Submission: 2026-01-13 04:17:56

The Root

Time of First Successful Submission: 2026-01-13 17:43:10

Program and absolute paths

Time of First Successful Submission: 2026-01-13 17:44:18

Position thy self

Time of First Successful Submission: 2026-01-13 17:45:49

Position elsewhere

Time of First Successful Submission: 2026-01-13 17:48:26

implicit relative paths, from /

Time of First Successful Submission: 2026-01-13 17:53:45

explicit relative paths, from /

Time of First Successful Submission: 2026-01-13 17:58:51

implicit relative path

Time of First Successful Submission: 2026-01-13 18:00:12

home sweet home

Time of First Successful Submission: 2026-01-13 18:11:32

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-13 18:17:07

catting absolute paths

Time of First Successful Submission: 2026-01-13 18:18:29

more catting practice

Time of First Successful Submission: 2026-01-13 18:19:15

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-13 18:21:41

comparing files

Time of First Successful Submission: 2026-01-13 18:24:59

listing files

Time of First Successful Submission: 2026-01-13 18:29:01

touching files

Time of First Successful Submission: 2026-01-13 18:30:08

removing files

Time of First Successful Submission: 2026-01-13 18:31:15

moving files

Time of First Successful Submission: 2026-01-13 18:49:44

copying files

Time of First Successful Submission: 2026-01-13 18:50:32

hidden files

Time of First Successful Submission: 2026-01-13 18:53:03

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-13 18:59:25

making directories

Time of First Successful Submission: 2026-01-13 19:01:25

finding files

Time of First Successful Submission: 2026-01-13 19:25:38

linking files

Time of First Successful Submission: 2026-01-13 19:34:30

Learning From Documentation

Time of First Successful Submission: 2026-01-13 19:44:07

Learning Complex Usage

Time of First Successful Submission: 2026-01-14 00:54:28

Reading Manuals

Time of First Successful Submission: 2026-01-14 00:57:54

Searching Manuals

Time of First Successful Submission: 2026-01-14 00:59:18

Searching For Manuals

Time of First Successful Submission: 2026-01-14 01:44:57

Helpful Programs

Time of First Successful Submission: 2026-01-14 01:20:42

Help for Builtins

Time of First Successful Submission: 2026-01-14 01:23:12

Matching with *

Time of First Successful Submission: 2026-01-14 01:52:27

Matching with ?

Time of First Successful Submission: 2026-01-14 01:53:22

Matching with []

Time of First Successful Submission: 2026-01-14 01:59:24

Matching paths with []

Time of First Successful Submission: 2026-01-14 02:08:08

Multiple globs

Time of First Successful Submission: 2026-01-14 02:13:39

Mixing globs

Time of First Successful Submission: 2026-01-14 02:25:54

Exclusionary globbing

Time of First Successful Submission: 2026-01-14 02:30:42

Tab completion

Time of First Successful Submission: 2026-01-14 02:33:17

Multiple options for tab completion

Time of First Successful Submission: 2026-01-14 02:35:39

Tab completion on commands

Time of First Successful Submission: 2026-01-14 02:36:15

Redirecting output

Time of First Successful Submission: 2026-01-14 03:21:52

Redirecting more output

Time of First Successful Submission: 2026-01-14 03:25:05

Appending output

Time of First Successful Submission: 2026-01-14 03:29:46

Redirecting errors

Time of First Successful Submission: 2026-01-14 03:38:22

Redirecting input

Time of First Successful Submission: 2026-01-14 05:09:48

Grepping stored results

Time of First Successful Submission: 2026-01-14 05:14:16

Grepping live output

Time of First Successful Submission: 2026-01-14 05:17:05

Grepping errors

Time of First Successful Submission: 2026-01-14 05:19:37

Filtering with grep -v

Time of First Successful Submission: 2026-01-14 05:21:17

Filtering with sed

Time of First Successful Submission: 2026-01-14 05:26:49

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-14 05:48:39

Process substitution for input

Time of First Successful Submission: 2026-01-14 05:52:25

Writing to multiple programs

Time of First Successful Submission: 2026-01-14 05:56:37

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-14 06:01:19

Named pipes

Time of First Successful Submission: 2026-01-14 06:07:56

Printing Variables

Time of First Successful Submission: 2026-01-14 06:09:38

Setting Variables

Time of First Successful Submission: 2026-01-14 06:10:20

Multi-word Variables

Time of First Successful Submission: 2026-01-14 06:10:58

Exporting Variables

Time of First Successful Submission: 2026-01-14 06:13:46

Printing Exported Variables

Time of First Successful Submission: 2026-01-14 06:17:10

Storing Command Output

Time of First Successful Submission: 2026-01-14 06:22:36

Reading Input

Time of First Successful Submission: 2026-01-14 06:38:23

Reading Files

Time of First Successful Submission: 2026-01-14 06:45:55

Translating characters

Time of First Successful Submission: 2026-01-14 18:20:11

Deleting characters

Time of First Successful Submission: 2026-01-14 18:21:22

Deleting newlines

Time of First Successful Submission: 2026-01-14 20:14:50

Extracting the first lines with head

Time of First Successful Submission: 2026-01-14 20:22:45

Extracting specific sections of text

Time of First Successful Submission: 2026-01-15 00:32:20

Sorting data

Time of First Successful Submission: 2026-01-15 00:33:28

Listing Processes

Time of First Successful Submission: 2026-01-15 00:40:03

Killing Processes

Time of First Successful Submission: 2026-01-15 00:46:08

Interrupting Processes

Time of First Successful Submission: 2026-01-15 00:47:29

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-15 00:59:11

Suspending Processes

Time of First Successful Submission: 2026-01-15 01:00:56

Resuming Processes

Time of First Successful Submission: 2026-01-15 01:01:39

Backgrounding Processes

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

Foregrounding Processes

Time of First Successful Submission: 2026-01-15 01:15:49

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-15 01:16:49

Process Exit Codes

Time of First Successful Submission: 2026-01-15 01:19:39

Becoming root with su

Time of First Successful Submission: 2026-01-15 01:58:19

Other users with su

Time of First Successful Submission: 2026-01-15 02:01:42

Cracking passwords

Time of First Successful Submission: 2026-01-15 02:11:34

Using sudo

Time of First Successful Submission: 2026-01-15 02:16:08

Changing File Ownership

Time of First Successful Submission: 2026-01-17 00:02:25

Groups and Files

Time of First Successful Submission: 2026-01-17 01:11:38

Fun With Groups Names

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

Changing Permissions

Time of First Successful Submission: 2026-01-17 05:55:59

Executable Files

Time of First Successful Submission: 2026-01-17 06:04:14

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-17 06:17:16

Permissions Setting Practice

Time of First Successful Submission: 2026-01-17 06:25:06

The SUID Bit

Time of First Successful Submission: 2026-01-17 06:29:25

Chaining with Semicolons

Time of First Successful Submission: 2026-01-17 19:22:32

Building on Success

Time of First Successful Submission: 2026-01-17 19:23:18

Handling Failure

Time of First Successful Submission: 2026-01-17 19:23:46

Your First Shell Script

Time of First Successful Submission: 2026-01-17 19:31:29

Redirecting Script Output

Time of First Successful Submission: 2026-01-17 19:33:42

Executable Shell Scripts

Time of First Successful Submission: 2026-01-17 19:35:59

Understanding Shebangs

Time of First Successful Submission: 2026-01-17 19:44:22

Scripting with Arguments

Time of First Successful Submission: 2026-01-18 05:34:38

Scripting with Conditionals

Time of First Successful Submission: 2026-01-18 05:41:52

Scripting with Default Cases

Time of First Successful Submission: 2026-01-18 05:44:07

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-18 05:52:32

Reading Shell Scripts

Time of First Successful Submission: 2026-01-18 05:55:10

Launching Screen

Time of First Successful Submission: 2026-01-18 05:57:22

Detaching and Attaching

Time of First Successful Submission: 2026-01-18 05:59:10

Finding Sessions

Time of First Successful Submission: 2026-01-18 06:01:02

Switching Windows

Time of First Successful Submission: 2026-01-18 06:02:13

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-18 06:03:18

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-18 06:04:24

The PATH Variable

Time of First Successful Submission: 2026-01-18 06:06:51

Setting PATH

Time of First Successful Submission: 2026-01-18 06:08:48

Finding Commands

Time of First Successful Submission: 2026-01-18 06:12:30

Adding Commands

Time of First Successful Submission: 2026-01-18 06:23:48

Hijacking Commands

Time of First Successful Submission: 2026-01-18 06:28:13

Bashrc Backdoor

Time of First Successful Submission: 2026-01-18 06:37:42

Sniffing Input

Time of First Successful Submission: 2026-01-18 06:51:42

Overshared Directories

Time of First Successful Submission: 2026-01-18 07:03:03

Tricky Linking

Time of First Successful Submission: 2026-01-18 07:06:39

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-18 07:09:56

Snooping on Configurations

Time of First Successful Submission: 2026-01-18 07:19:20

The Fork Bomb

Time of First Successful Submission: 2026-01-18 07:29:06

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-18 07:39:44

rm -rf /

Time of First Successful Submission: 2026-01-18 07:47:42

Life after rm -rf /

Time of First Successful Submission: 2026-01-18 07:57:14

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-18 08:07:39

Computing 101

85 / 94 766 / 22399

Your First Register

Time of First Successful Submission: 2026-02-20 04:40:30

Your First Syscall

Time of First Successful Submission: 2026-02-20 04:43:37

Exit Codes

Time of First Successful Submission: 2026-02-20 04:47:13

Building Executables

Time of First Successful Submission: 2026-02-20 05:02:29

Moving Between Registers

Time of First Successful Submission: 2026-02-20 05:06:37

Loading From Memory

Time of First Successful Submission: 2026-02-20 05:48:56

More Loading Practice

Time of First Successful Submission: 2026-02-20 05:51:38

Dereferencing Pointers

Time of First Successful Submission: 2026-02-20 05:56:06

Dereferencing Yourself

Time of First Successful Submission: 2026-02-20 06:07:30

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-20 06:11:21

Stored Addresses

Time of First Successful Submission: 2026-02-20 06:17:46

Double Dereference

Time of First Successful Submission: 2026-02-20 06:23:00

The Stack

Time of First Successful Submission: 2026-02-20 06:26:01

Stack Offsets

Time of First Successful Submission: 2026-02-20 06:27:39

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-20 06:33:16

Popping From the Stack

Time of First Successful Submission: 2026-02-20 06:37:25

Disassembling Programs

Time of First Successful Submission: 2026-02-20 22:11:39

Tracing Syscalls

Time of First Successful Submission: 2026-02-20 22:28:48

Starting GDB

Time of First Successful Submission: 2026-02-20 22:44:46

Quitting GDB

Time of First Successful Submission: 2026-02-20 22:45:35

Starting Programs in GDB

Time of First Successful Submission: 2026-02-20 23:03:20

Disassembling in GDB

Time of First Successful Submission: 2026-02-20 23:20:46

Stepping Through Instructions

Time of First Successful Submission: 2026-02-20 23:48:32

Reading Register Values

Time of First Successful Submission: 2026-02-20 23:49:30

Popping Stack Values

Time of First Successful Submission: 2026-02-20 23:52:53

Examining Memory

Time of First Successful Submission: 2026-02-21 00:17:02

Examining Stack Pointers

Time of First Successful Submission: 2026-02-21 00:22:13

Cooperative Debugging

Time of First Successful Submission: 2026-02-21 02:10:42

Writing Output

Time of First Successful Submission: 2026-02-21 19:03:44

Chaining Syscalls

Time of First Successful Submission: 2026-02-21 19:27:14

Writing Strings

Time of First Successful Submission: 2026-02-21 19:44:16

Reading Data

Time of First Successful Submission: 2026-02-21 21:09:34

Opening Files

Time of First Successful Submission: 2026-02-21 21:16:28

Hardcoding the Filename

Time of First Successful Submission: 2026-02-21 21:31:27

Comparing Values

Time of First Successful Submission: 2026-02-22 07:07:57

Comparing Characters

Time of First Successful Submission: 2026-02-22 07:10:30

Conditional Control Flow

Time of First Successful Submission: 2026-02-22 07:14:33

Comparing Strings

Time of First Successful Submission: 2026-02-22 07:17:52

Reverse the Password

Time of First Successful Submission: 2026-02-22 07:25:45

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-22 07:42:29

Looping

Time of First Successful Submission: 2026-02-22 07:46:21

Reverse the Calculation

Time of First Successful Submission: 2026-02-22 07:48:54

Reverse the Reverse

Time of First Successful Submission: 2026-02-22 07:50:55

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-22 07:52:27

Loops on Data

Time of First Successful Submission: 2026-02-22 07:56:55

set-register

Time of First Successful Submission: 2026-02-22 07:59:07

set-multiple-registers

Time of First Successful Submission: 2026-02-22 08:06:37

add-to-register

Time of First Successful Submission: 2026-02-28 04:43:36

linear-equation-registers

Time of First Successful Submission: 2026-02-28 04:52:03

integer-division

Time of First Successful Submission: 2026-02-28 05:18:49

modulo-operation

Time of First Successful Submission: 2026-02-28 05:22:03

set-upper-byte

Time of First Successful Submission: 2026-02-28 05:24:42

efficient-modulo

Time of First Successful Submission: 2026-02-28 05:28:10

byte-extraction

Time of First Successful Submission: 2026-02-28 05:56:38

bitwise-and

Time of First Successful Submission: 2026-02-28 06:02:46

check-even

Time of First Successful Submission: 2026-02-28 06:07:48

memory-read

Time of First Successful Submission: 2026-02-28 06:14:28

memory-write

Time of First Successful Submission: 2026-02-28 06:19:22

memory-increment

Time of First Successful Submission: 2026-02-28 06:23:27

byte-access

Time of First Successful Submission: 2026-02-28 06:35:32

memory-size-access

Time of First Successful Submission: 2026-02-28 06:38:46

little-endian-write

Time of First Successful Submission: 2026-02-28 06:42:55

memory-sum

Time of First Successful Submission: 2026-02-28 06:58:03

stack-subtraction

Time of First Successful Submission: 2026-02-28 07:00:56

swap-stack-values

Time of First Successful Submission: 2026-02-28 07:07:55

average-stack-values

Time of First Successful Submission: 2026-02-28 07:10:48

absolute-jump

Time of First Successful Submission: 2026-02-28 07:21:46

relative-jump

Time of First Successful Submission: 2026-02-28 18:49:49

jump-trampoline

Time of First Successful Submission: 2026-02-28 18:55:02

conditional-jump

Time of First Successful Submission: 2026-02-28 22:10:30

indirect-jump

Time of First Successful Submission: 2026-03-01 17:59:51

average-loop

Time of First Successful Submission: 2026-03-01 18:02:01

count-non-zero

Time of First Successful Submission: 2026-03-01 18:04:05

string-lower

Time of First Successful Submission: 2026-03-01 18:09:31

most-common-byte

Time of First Successful Submission: 2026-03-01 21:34:13

Exit

Time of First Successful Submission: 2026-03-02 00:32:45

Socket

Time of First Successful Submission: 2026-03-02 00:53:23

Bind

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

Listen

Time of First Successful Submission: 2026-03-02 01:12:19

Accept

Time of First Successful Submission: 2026-03-02 05:34:29

Static Response

Time of First Successful Submission: 2026-03-02 06:02:05

Debugging Programs

Time of First Successful Submission: 2026-03-01 22:09:23

Inspecting Registers

Time of First Successful Submission: 2026-03-01 23:07:16

Examining Memory

Time of First Successful Submission: 2026-03-02 00:11:19

Setting Breakpoints

Time of First Successful Submission: 2026-03-02 00:26:39

Playing With Programs

65 / 116 4351 / 23799

What's the password?

Time of First Successful Submission: 2026-01-22 00:10:35

... and again!

Time of First Successful Submission: 2026-01-22 00:17:01

Newline Troubles

Time of First Successful Submission: 2026-01-22 00:19:53

Reasoning about files

Time of First Successful Submission: 2026-01-22 00:29:48

Specifying Filenames

Time of First Successful Submission: 2026-01-22 00:33:18

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-22 00:51:50

More Hex

Time of First Successful Submission: 2026-01-22 00:54:40

Decoding Hex

Time of First Successful Submission: 2026-01-22 00:57:59

Decoding Practice

Time of First Successful Submission: 2026-01-22 01:35:03

Encoding Practice

Time of First Successful Submission: 2026-01-22 02:32:45

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-22 02:52:21

Nested Encoding

Time of First Successful Submission: 2026-01-22 06:59:51

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-22 21:57:51

UTF Mixups

Time of First Successful Submission: 2026-01-22 22:52:30

Modifying Encoded Data

Time of First Successful Submission: 2026-01-23 05:35:28

Decoding Base64

Time of First Successful Submission: 2026-01-23 06:09:56

Encoding Base64

Time of First Successful Submission: 2026-01-23 06:16:25

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-23 06:19:32

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-23 06:43:13

Your First HTTP Request

Time of First Successful Submission: 2026-01-24 19:01:30

Reading Flask

Time of First Successful Submission: 2026-01-24 19:05:28

Commented Data

Time of First Successful Submission: 2026-01-24 19:11:15

HTTP Metadata

Time of First Successful Submission: 2026-01-24 19:24:38

HTTP (netcat)

Time of First Successful Submission: 2026-01-24 19:32:46

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-24 19:34:35

HTTP (curl)

Time of First Successful Submission: 2026-01-25 00:43:43

HTTP (python)

Time of First Successful Submission: 2026-01-25 00:49:02

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-25 04:39:26

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-25 04:41:21

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-25 04:44:53

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-25 04:47:45

HTTP GET Parameters

Time of First Successful Submission: 2026-01-25 04:51:49

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-25 04:54:55

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-25 04:56:45

HTTP Forms

Time of First Successful Submission: 2026-01-26 20:20:34

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-26 20:34:21

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-28 16:58:33

HTTP Forms (python)

Time of First Successful Submission: 2026-01-28 17:01:55

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-30 05:10:35

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-30 05:21:18

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-30 05:24:59

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-30 05:31:33

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-30 05:33:39

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-30 05:35:45

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-30 05:40:04

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-30 05:45:41

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-30 05:48:00

Server State (python)

Time of First Successful Submission: 2026-01-30 05:49:48

Listening Web

Time of First Successful Submission: 2026-01-31 08:06:43

Speaking Redirects

Time of First Successful Submission: 2026-01-31 08:12:42

JavaScript Redirects

Time of First Successful Submission: 2026-01-31 08:18:55

Including JavaScript

Time of First Successful Submission: 2026-01-31 20:20:33

HTTP (javascript)

Time of First Successful Submission: 2026-01-31 20:25:50

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-31 20:30:38

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-31 20:44:54

SQL Queries

Time of First Successful Submission: 2026-01-31 21:02:41

Filtering SQL

Time of First Successful Submission: 2026-01-31 21:07:28

Choosing Columns

Time of First Successful Submission: 2026-01-31 21:08:56

Exclusionary Filtering

Time of First Successful Submission: 2026-01-31 21:10:57

Filtering Strings

Time of First Successful Submission: 2026-01-31 21:13:01

Filtering on Expressions

Time of First Successful Submission: 2026-01-31 21:18:16

SELECTing Expressions

Time of First Successful Submission: 2026-01-31 21:29:37

Composite Conditions

Time of First Successful Submission: 2026-01-31 21:32:09

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-31 21:34:23

Querying Metadata

Time of First Successful Submission: 2026-01-31 21:36:36

GCA CTF

5 / 104 33665 / 45835

Using the Terminal

Time of First Successful Submission: 2026-01-13 03:57:38

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 03:59:02

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 04:01:05

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 04:03:07

Restarting Challenges

Time of First Successful Submission: 2026-01-13 04:06:22