isomo

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-08-07 13:19:57

Command Arguments

Time of First Successful Submission: 2025-08-07 13:22:01

Command History

Time of First Successful Submission: 2025-08-07 13:22:25

The Root Path

Time of First Successful Submission: 2025-08-07 13:23:48

Absolute Paths

Time of First Successful Submission: 2025-08-07 13:24:28

Changing position

Time of First Successful Submission: 2025-08-07 13:25:29

Changing to an Absolute Path

Time of First Successful Submission: 2025-08-07 13:26:27

Relative Paths

Time of First Successful Submission: 2025-08-07 13:30:02

Cat

Time of First Successful Submission: 2025-10-27 11:22:06

Ls

Time of First Successful Submission: 2025-10-27 11:28:32

Ls All

Time of First Successful Submission: 2025-10-27 11:31:43

Find

Time of First Successful Submission: 2025-10-27 11:56:14

Piping Echo

Time of First Successful Submission: 2025-10-28 07:59:56

Piping Stdout

Time of First Successful Submission: 2025-10-28 08:01:30

Piping Stdin

Time of First Successful Submission: 2025-10-28 08:15:32

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2025-11-05 00:54:40

Path Traversal 2

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

CMDi 1

Time of First Successful Submission: 2025-11-05 01:10:41

CMDi 2

Time of First Successful Submission: 2025-11-05 01:12:28

CMDi 3

Time of First Successful Submission: 2025-11-05 01:18:18

CMDi 4

Time of First Successful Submission: 2025-11-05 01:19:52

CMDi 5

Time of First Successful Submission: 2025-11-05 01:26:11

CMDi 6

Time of First Successful Submission: 2025-11-05 01:27:59

Authentication Bypass 1

Time of First Successful Submission: 2025-11-05 01:31:58

Authentication Bypass 2

Time of First Successful Submission: 2025-11-05 01:39:20

SQLi 1

Time of First Successful Submission: 2025-11-05 01:44:11

SQLi 2

Time of First Successful Submission: 2025-11-05 01:48:49

SQLi 3

Time of First Successful Submission: 2025-11-05 01:52:34

SQLi 4

Time of First Successful Submission: 2025-11-05 01:56:27

SQLi 5

Time of First Successful Submission: 2025-11-05 02:05:41

XSS 1

Time of First Successful Submission: 2025-11-05 02:22:47

XSS 2

Time of First Successful Submission: 2025-11-05 02:24:58

XSS 3

Time of First Successful Submission: 2025-11-05 02:28:44

XSS 4

Time of First Successful Submission: 2025-11-05 02:30:25

XSS 5

Time of First Successful Submission: 2025-11-05 02:41:43

XSS 6

Time of First Successful Submission: 2025-11-05 02:51:57

XSS 7

Time of First Successful Submission: 2025-11-05 03:19:51

CSRF 1

Time of First Successful Submission: 2025-11-05 04:35:53

CSRF 2

Time of First Successful Submission: 2025-11-05 04:40:07

CSRF 3

Time of First Successful Submission: 2025-11-05 04:50:16

CSRF 4

Time of First Successful Submission: 2025-11-05 04:52:55

CSRF 5

Time of First Successful Submission: 2025-11-05 05:02:44

Connect

Time of First Successful Submission: 2025-11-05 07:44:16

Send

Time of First Successful Submission: 2025-11-05 07:46:08

Shutdown

Time of First Successful Submission: 2025-11-05 07:48:58

Listen

Time of First Successful Submission: 2025-11-05 07:50:13

Scan 1

Time of First Successful Submission: 2025-11-05 07:53:27

Scan 2

Time of First Successful Submission: 2025-11-05 07:57:53

Monitor 1

Time of First Successful Submission: 2025-11-05 07:59:29

Monitor 2

Time of First Successful Submission: 2025-11-05 08:18:45

Sniffing Cookies

Time of First Successful Submission: 2025-11-05 08:21:29

Network Configuration

Time of First Successful Submission: 2025-11-05 08:27:41

Firewall 1

Time of First Successful Submission: 2025-11-05 08:29:17

Firewall 2

Time of First Successful Submission: 2025-11-05 08:30:19

Firewall 3

Time of First Successful Submission: 2025-11-05 08:31:14

Denial of Service 1

Time of First Successful Submission: 2025-11-05 08:34:44

Denial of Service 2

Time of First Successful Submission: 2025-11-05 08:38:35

Denial of Service 3

Time of First Successful Submission: 2025-11-05 08:45:31

Ethernet

Time of First Successful Submission: 2025-11-05 08:48:19

IP

Time of First Successful Submission: 2025-11-05 08:49:15

TCP

Time of First Successful Submission: 2025-11-05 08:50:37

TCP Handshake

Time of First Successful Submission: 2025-11-05 08:51:29

UDP

Time of First Successful Submission: 2025-11-05 08:52:38

UDP 2

Time of First Successful Submission: 2025-11-05 08:53:22

UDP Spoofing 1

Time of First Successful Submission: 2025-11-05 08:57:06

UDP Spoofing 2

Time of First Successful Submission: 2025-11-05 08:59:17

UDP Spoofing 3

Time of First Successful Submission: 2025-11-05 10:10:31

UDP Spoofing 4

Time of First Successful Submission: 2025-11-05 10:12:22

ARP

Time of First Successful Submission: 2025-11-05 09:49:34

Intercept

Time of First Successful Submission: 2025-11-06 04:09:50

Man-in-the-Middle

Time of First Successful Submission: 2025-11-06 06:27:45

XOR

Time of First Successful Submission: 2025-11-06 08:06:43

XORing Hex

Time of First Successful Submission: 2025-11-06 08:13:28

XORing ASCII

Time of First Successful Submission: 2025-11-06 08:16:00

XORing ASCII Strings

Time of First Successful Submission: 2025-11-06 08:30:01

One-time Pad

Time of First Successful Submission: 2025-11-06 08:35:48

One-time Pad Tampering

Time of First Successful Submission: 2025-11-06 08:38:16

Many-time Pad

Time of First Successful Submission: 2025-11-06 08:50:42

AES

Time of First Successful Submission: 2025-11-06 08:57:41

AES-ECB-CPA

Time of First Successful Submission: 2025-11-06 09:24:34

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-11-06 09:28:41

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-11-06 14:06:55

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-11-06 14:12:59

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-11-07 01:01:09

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-11-07 01:05:59

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-11-07 01:09:41

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-11-07 01:20:21

AES-CBC

Time of First Successful Submission: 2025-11-07 01:40:12

AES-CBC Tampering

Time of First Successful Submission: 2025-11-07 01:56:39

AES-CBC Resizing

Time of First Successful Submission: 2025-11-07 02:00:32

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-11-07 03:14:10

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-11-07 03:29:36

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-11-07 03:31:24

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-11-07 07:22:01

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-11-07 07:24:20

DHKE

Time of First Successful Submission: 2025-11-07 09:15:04

DHKE-to-AES

Time of First Successful Submission: 2025-11-07 09:16:33

RSA 1

Time of First Successful Submission: 2025-11-07 09:24:01

RSA 2

Time of First Successful Submission: 2025-11-07 09:25:29

RSA 3

Time of First Successful Submission: 2025-11-07 09:36:10

RSA 4

Time of First Successful Submission: 2025-11-07 09:38:46

RSA Signatures

Time of First Successful Submission: 2025-11-07 09:43:12

SHA 1

Time of First Successful Submission: 2025-11-07 09:59:32

SHA 2

Time of First Successful Submission: 2025-11-07 10:02:35

TLS 1

Time of First Successful Submission: 2025-11-07 10:13:02

TLS 2

Time of First Successful Submission: 2025-11-07 10:14:41

level1

Time of First Successful Submission: 2025-11-07 11:21:49

level2

Time of First Successful Submission: 2025-11-07 11:23:38

level3

Time of First Successful Submission: 2025-11-07 11:26:09

level4

Time of First Successful Submission: 2025-11-07 11:26:41

level5

Time of First Successful Submission: 2025-11-07 11:29:03

level6

Time of First Successful Submission: 2025-11-07 11:30:58

level7

Time of First Successful Submission: 2025-11-07 11:31:55

level8

Time of First Successful Submission: 2025-11-07 11:33:40

level9

Time of First Successful Submission: 2025-11-07 11:34:42

level10

Time of First Successful Submission: 2025-11-07 11:41:48

level11

Time of First Successful Submission: 2025-11-07 13:13:53

level12

Time of First Successful Submission: 2025-11-07 13:16:17

level13

Time of First Successful Submission: 2025-11-07 13:18:04

level14

Time of First Successful Submission: 2025-11-07 13:19:26

level15

Time of First Successful Submission: 2025-11-07 13:20:25

level16

Time of First Successful Submission: 2025-11-07 13:22:46

level17

Time of First Successful Submission: 2025-11-07 13:28:25

level18

Time of First Successful Submission: 2025-11-07 13:30:13

level19

Time of First Successful Submission: 2025-11-07 13:32:19

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-11-07 13:43:06

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-11-07 13:47:01

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-11-07 14:07:28

Reading Endianness (Python)

Time of First Successful Submission: 2025-11-07 14:16:52

Reading Endianness (C)

Time of First Successful Submission: 2025-11-07 14:31:08

Reading Endianness (x86)

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

Version Information (Python)

Time of First Successful Submission: 2025-11-08 02:39:16

Version Information (C)

Time of First Successful Submission: 2025-11-08 02:51:03

Version Information (x86)

Time of First Successful Submission: 2025-11-08 02:53:07

Metadata and Data (Python)

Time of First Successful Submission: 2025-11-08 02:56:14

Metadata and Data (C)

Time of First Successful Submission: 2025-11-08 02:58:22

Metadata and Data (x86)

Time of First Successful Submission: 2025-11-08 03:03:36

Input Restrictions (Python)

Time of First Successful Submission: 2025-11-08 03:10:33

Input Restrictions (C)

Time of First Successful Submission: 2025-11-08 03:16:03

Input Restrictions (x86)

Time of First Successful Submission: 2025-11-08 03:33:47

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-11-08 03:36:16

Behold the cIMG! (C)

Time of First Successful Submission: 2025-11-08 03:40:04

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-11-08 03:44:22

A Basic cIMG (Python)

Time of First Successful Submission: 2025-11-08 08:58:40

A Basic cIMG (C)

Time of First Successful Submission: 2025-11-08 09:00:32

A Basic cIMG (x86)

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

Internal State Mini (C)

Time of First Successful Submission: 2025-11-08 09:13:52

Internal State Mini (x86)

Time of First Successful Submission: 2025-11-08 09:35:58

Internal State (C)

Time of First Successful Submission: 2025-11-08 09:53:00

Internal State (x86)

Time of First Successful Submission: 2025-11-08 10:23:10

File Formats: Directives (C)

Time of First Successful Submission: 2025-11-08 10:33:57

File Formats: Directives (x86)

Time of First Successful Submission: 2025-11-08 12:38:35

The Patch Directive

Time of First Successful Submission: 2025-11-08 15:37:55

Optimizing for Space

Time of First Successful Submission: 2025-11-09 03:49:36

Tweaking Images

Time of First Successful Submission: 2025-11-09 04:38:46

Storage and Retrieval

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

Extracting Knowledge

Time of First Successful Submission: 2025-11-09 12:58:14

Advanced Sprites

Time of First Successful Submission: 2025-11-10 08:20:38

Accessing Resources

Time of First Successful Submission: 2025-11-10 12:48:05

Unsafe Animations

Time of First Successful Submission: 2025-11-10 12:59:43

Animations

Time of First Successful Submission: 2025-11-10 13:40:23

Interoperability: Patching Data

Time of First Successful Submission: 2025-11-10 14:50:11

Patching Code

Time of First Successful Submission: 2025-11-11 01:39:37

Patching Control Flow

Time of First Successful Submission: 2025-11-11 01:50:43

Your First Overflow (easy)

Time of First Successful Submission: 2025-11-11 02:10:40

Your First Overflow (hard)

Time of First Successful Submission: 2025-11-11 02:23:09

Precision (easy)

Time of First Successful Submission: 2025-11-11 02:27:13

Precision (hard)

Time of First Successful Submission: 2025-11-11 02:40:36

Variable Control (easy)

Time of First Successful Submission: 2025-11-11 02:42:56

Variable Control (hard)

Time of First Successful Submission: 2025-11-11 02:52:21

Control Hijack (easy)

Time of First Successful Submission: 2025-11-11 03:00:42

Control Hijack (hard)

Time of First Successful Submission: 2025-11-11 03:10:35

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-11-11 04:20:04

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-11-11 04:23:33

PIEs (easy)

Time of First Successful Submission: 2025-11-11 04:43:03

PIEs (hard)

Time of First Successful Submission: 2025-11-11 04:45:59

String Lengths (easy)

Time of First Successful Submission: 2025-11-11 04:59:26

String Lengths (hard)

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

Basic Shellcode

Time of First Successful Submission: 2025-11-11 05:24:03

NOP Sleds

Time of First Successful Submission: 2025-11-11 05:29:27

NULL-Free Shellcode

Time of First Successful Submission: 2025-11-11 05:31:48

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-11-11 05:44:23

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-11-11 06:14:42

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-11-11 06:29:18

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-11-11 06:50:33

ECB-to-Win (easy)

Time of First Successful Submission: 2025-11-11 08:20:55

ECB-to-Win (hard)

Time of First Successful Submission: 2025-11-11 08:28:00

ECB-to-Shellcode (easy)

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

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-11-12 03:00:37

CIMG Screenshots

Time of First Successful Submission: 2025-11-13 05:26:50

CIMG Screenshots 2

Time of First Successful Submission: 2025-11-13 07:22:57

Wily Webserver

Time of First Successful Submission: 2025-11-13 09:49:55

The Watering Hole

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

Secure Chat 1

Time of First Successful Submission: 2025-11-13 12:59:57

Secure Chat 2

Time of First Successful Submission: 2025-11-14 08:44:13

Secure Chat 3

Time of First Successful Submission: 2025-11-15 03:55:24

Secure Chat 4

Time of First Successful Submission: 2025-11-15 05:35:42

Secure Chat 5

Time of First Successful Submission: 2025-11-15 11:29:14

Program Security

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ello ackers!

Time of First Successful Submission: 2025-11-16 08:47:23

Syscall Smuggler

Time of First Successful Submission: 2025-11-16 10:57:12

Syscall Shenanigans

Time of First Successful Submission: 2025-11-16 11:17:49

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-11-17 07:45:41

Loose Link (Hard)

Time of First Successful Submission: 2025-11-17 08:44:36

Chain of Command (Hard)

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

Leaky Libc (Hard)

Time of First Successful Submission: 2025-11-17 12:27:59

Freebie (Hard)

Time of First Successful Submission: 2025-11-18 02:39:21

Start Here

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Using the Terminal

Time of First Successful Submission: 2025-08-07 12:38:05

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-07 12:40:03

Using the GUI Desktop

Time of First Successful Submission: 2025-08-07 12:47:19

Pasting into the Desktop

Time of First Successful Submission: 2025-08-07 12:49:05

Restarting Challenges

Time of First Successful Submission: 2025-08-07 12:50:56

Challenge Programs

Time of First Successful Submission: 2025-08-07 13:00:43

The Flag File

Time of First Successful Submission: 2025-08-07 13:04:50

Using Privileged Mode

Time of First Successful Submission: 2025-08-07 13:08:01

Persistent Home Directories - One

Time of First Successful Submission: 2025-08-07 13:10:40

Persistent Home Directories - Two

Time of First Successful Submission: 2025-08-07 13:16:02

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-08-07 13:19:57

Intro to Arguments

Time of First Successful Submission: 2025-08-07 13:22:01

Command History

Time of First Successful Submission: 2025-08-07 13:22:25

The Root

Time of First Successful Submission: 2025-08-07 13:23:48

Program and absolute paths

Time of First Successful Submission: 2025-08-07 13:24:28

Position thy self

Time of First Successful Submission: 2025-08-07 13:25:29

Position elsewhere

Time of First Successful Submission: 2025-08-07 13:26:27

implicit relative paths, from /

Time of First Successful Submission: 2025-08-07 13:30:02

explicit relative paths, from /

Time of First Successful Submission: 2025-08-07 13:31:29

implicit relative path

Time of First Successful Submission: 2025-08-07 13:32:16

home sweet home

Time of First Successful Submission: 2025-08-07 13:34:33

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-27 11:22:06

catting absolute paths

Time of First Successful Submission: 2025-10-27 11:22:45

more catting practice

Time of First Successful Submission: 2025-10-27 11:23:28

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-27 11:26:15

comparing files

Time of First Successful Submission: 2025-10-27 11:27:33

listing files

Time of First Successful Submission: 2025-10-27 11:28:32

touching files

Time of First Successful Submission: 2025-10-27 11:29:47

removing files

Time of First Successful Submission: 2025-10-27 11:30:21

moving files

Time of First Successful Submission: 2025-10-27 11:31:02

hidden files

Time of First Successful Submission: 2025-10-27 11:31:43

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-27 11:44:05

making directories

Time of First Successful Submission: 2025-10-27 11:45:06

finding files

Time of First Successful Submission: 2025-10-27 11:56:14

linking files

Time of First Successful Submission: 2025-10-27 12:13:17

Learning From Documentation

Time of First Successful Submission: 2025-10-27 13:31:03

Learning Complex Usage

Time of First Successful Submission: 2025-10-27 13:33:10

Reading Manuals

Time of First Successful Submission: 2025-10-27 13:37:24

Searching Manuals

Time of First Successful Submission: 2025-10-27 13:39:41

Searching For Manuals

Time of First Successful Submission: 2025-10-27 13:46:21

Helpful Programs

Time of First Successful Submission: 2025-10-27 13:48:29

Help for Builtins

Time of First Successful Submission: 2025-10-27 13:50:38

Matching with *

Time of First Successful Submission: 2025-10-28 07:00:38

Matching with ?

Time of First Successful Submission: 2025-10-28 07:02:18

Matching with []

Time of First Successful Submission: 2025-10-28 07:03:38

Matching paths with []

Time of First Successful Submission: 2025-10-28 07:06:11

Multiple globs

Time of First Successful Submission: 2025-10-28 07:07:47

Mixing globs

Time of First Successful Submission: 2025-10-28 07:15:29

Exclusionary globbing

Time of First Successful Submission: 2025-10-28 07:32:02

Tab completion

Time of First Successful Submission: 2025-10-28 07:34:58

Multiple options for tab completion

Time of First Successful Submission: 2025-10-28 07:41:10

Tab completion on commands

Time of First Successful Submission: 2025-10-28 07:42:20

Redirecting output

Time of First Successful Submission: 2025-10-28 07:59:56

Redirecting more output

Time of First Successful Submission: 2025-10-28 08:01:30

Appending output

Time of First Successful Submission: 2025-10-28 08:08:09

Redirecting errors

Time of First Successful Submission: 2025-10-28 08:11:18

Redirecting input

Time of First Successful Submission: 2025-10-28 08:15:32

Grepping stored results

Time of First Successful Submission: 2025-10-28 08:16:41

Grepping live output

Time of First Successful Submission: 2025-10-28 08:17:50

Grepping errors

Time of First Successful Submission: 2025-10-28 08:19:15

Filtering with grep -v

Time of First Successful Submission: 2025-10-28 08:20:39

Duplicating piped data with tee

Time of First Successful Submission: 2025-10-28 08:24:50

Process substitution for input

Time of First Successful Submission: 2025-10-28 08:28:52

Writing to multiple programs

Time of First Successful Submission: 2025-10-28 08:35:58

Split-piping stderr and stdout

Time of First Successful Submission: 2025-10-28 08:43:19

Named pipes

Time of First Successful Submission: 2025-10-28 08:55:21

Printing Variables

Time of First Successful Submission: 2025-10-29 02:15:54

Setting Variables

Time of First Successful Submission: 2025-10-29 02:18:47

Multi-word Variables

Time of First Successful Submission: 2025-10-29 02:20:19

Exporting Variables

Time of First Successful Submission: 2025-10-29 02:26:55

Printing Exported Variables

Time of First Successful Submission: 2025-10-29 02:28:01

Storing Command Output

Time of First Successful Submission: 2025-10-29 02:30:03

Reading Input

Time of First Successful Submission: 2025-10-29 02:34:05

Reading Files

Time of First Successful Submission: 2025-10-29 02:40:41

Translating characters

Time of First Successful Submission: 2025-10-29 03:02:25

Deleting characters

Time of First Successful Submission: 2025-10-29 03:03:26

Deleting newlines

Time of First Successful Submission: 2025-10-29 03:06:00

Extracting the first lines with head

Time of First Successful Submission: 2025-10-29 03:06:53

Extracting specific sections of text

Time of First Successful Submission: 2025-10-29 03:09:24

Sorting data

Time of First Successful Submission: 2025-10-29 03:11:28

Listing Processes

Time of First Successful Submission: 2025-10-29 11:57:14

Killing Processes

Time of First Successful Submission: 2025-10-29 12:02:32

Interrupting Processes

Time of First Successful Submission: 2025-10-29 12:04:04

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-29 12:13:33

Suspending Processes

Time of First Successful Submission: 2025-10-29 12:14:54

Resuming Processes

Time of First Successful Submission: 2025-10-29 12:15:33

Backgrounding Processes

Time of First Successful Submission: 2025-10-29 12:19:46

Foregrounding Processes

Time of First Successful Submission: 2025-10-29 12:26:36

Starting Backgrounded Processes

Time of First Successful Submission: 2025-10-29 12:27:57

Process Exit Codes

Time of First Successful Submission: 2025-10-29 12:29:45

Becoming root with su

Time of First Successful Submission: 2025-10-29 13:02:52

Other users with su

Time of First Successful Submission: 2025-10-29 13:04:23

Cracking passwords

Time of First Successful Submission: 2025-10-29 13:14:54

Using sudo

Time of First Successful Submission: 2025-10-29 13:21:04

Changing File Ownership

Time of First Successful Submission: 2025-10-30 01:00:48

Groups and Files

Time of First Successful Submission: 2025-10-30 01:08:49

Fun With Groups Names

Time of First Successful Submission: 2025-10-30 01:12:34

Changing Permissions

Time of First Successful Submission: 2025-10-30 01:41:24

Executable Files

Time of First Successful Submission: 2025-10-30 01:46:15

Permission Tweaking Practice

Time of First Successful Submission: 2025-10-30 01:50:15

Permissions Setting Practice

Time of First Successful Submission: 2025-10-30 01:53:15

The SUID Bit

Time of First Successful Submission: 2025-10-30 01:59:06

Chaining with Semicolons

Time of First Successful Submission: 2025-10-30 02:16:03

Building on Success

Time of First Successful Submission: 2025-10-30 02:17:16

Handling Failure

Time of First Successful Submission: 2025-10-30 02:18:39

Your First Shell Script

Time of First Successful Submission: 2025-10-30 02:24:06

Redirecting Script Output

Time of First Successful Submission: 2025-10-30 02:30:16

Executable Shell Scripts

Time of First Successful Submission: 2025-10-30 02:32:31

Understanding Shebangs

Time of First Successful Submission: 2025-10-30 03:12:49

Scripting with Arguments

Time of First Successful Submission: 2025-10-30 03:14:25

Scripting with Conditionals

Time of First Successful Submission: 2025-10-30 03:18:38

Scripting with Default Cases

Time of First Successful Submission: 2025-10-30 03:20:23

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-30 03:23:10

Reading Shell Scripts

Time of First Successful Submission: 2025-10-30 03:27:48

Launching Screen

Time of First Successful Submission: 2025-10-30 09:24:38

Detaching and Attaching

Time of First Successful Submission: 2025-10-30 09:34:27

Finding Sessions

Time of First Successful Submission: 2025-10-30 09:36:00

Switching Windows

Time of First Successful Submission: 2025-10-30 09:37:14

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-30 09:41:04

Switching Windows (tmux)

Time of First Successful Submission: 2025-10-30 09:45:07

The PATH Variable

Time of First Successful Submission: 2025-10-30 11:52:32

Setting PATH

Time of First Successful Submission: 2025-10-30 11:54:51

Finding Commands

Time of First Successful Submission: 2025-10-30 11:57:27

Adding Commands

Time of First Successful Submission: 2025-10-30 12:05:11

Hijacking Commands

Time of First Successful Submission: 2025-10-30 12:06:26

Bashrc Backdoor

Time of First Successful Submission: 2025-10-30 12:59:30

Sniffing Input

Time of First Successful Submission: 2025-10-30 13:16:52

Overshared Directories

Time of First Successful Submission: 2025-10-30 13:26:14

Tricky Linking

Time of First Successful Submission: 2025-10-30 13:38:04

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-30 13:44:27

Snooping on Configurations

Time of First Successful Submission: 2025-10-30 13:47:54

The Fork Bomb

Time of First Successful Submission: 2025-10-30 14:08:04

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-30 14:12:06

rm -rf /

Time of First Successful Submission: 2025-10-30 14:15:47

Life after rm -rf /

Time of First Successful Submission: 2025-10-30 14:31:29

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-30 14:34:55

Computing 101

69 / 69 1125 / 19402

Your First Register

Time of First Successful Submission: 2025-11-01 11:38:18

Your First Syscall

Time of First Successful Submission: 2025-11-01 11:41:24

Exit Codes

Time of First Successful Submission: 2025-11-01 11:42:35

Building Executables

Time of First Successful Submission: 2025-11-01 11:50:40

Moving Between Registers

Time of First Successful Submission: 2025-11-01 11:55:50

Tracing Syscalls

Time of First Successful Submission: 2025-11-01 12:17:10

Starting GDB

Time of First Successful Submission: 2025-11-01 12:18:19

Starting Programs in GDB

Time of First Successful Submission: 2025-11-01 12:20:59

Loading From Memory

Time of First Successful Submission: 2025-11-01 12:29:55

More Loading Practice

Time of First Successful Submission: 2025-11-01 12:31:12

Dereferencing Pointers

Time of First Successful Submission: 2025-11-01 12:45:34

Dereferencing Yourself

Time of First Successful Submission: 2025-11-01 12:47:12

Dereferencing with Offsets

Time of First Successful Submission: 2025-11-01 12:49:51

Stored Addresses

Time of First Successful Submission: 2025-11-01 12:55:39

Double Dereference

Time of First Successful Submission: 2025-11-01 13:01:22

Triple Dereference

Time of First Successful Submission: 2025-11-01 13:03:08

Writing Output

Time of First Successful Submission: 2025-11-01 13:10:32

Chaining Syscalls

Time of First Successful Submission: 2025-11-01 13:13:37

Writing Strings

Time of First Successful Submission: 2025-11-01 13:14:33

Reading Data

Time of First Successful Submission: 2025-11-01 13:28:37

set-register

Time of First Successful Submission: 2025-11-02 02:38:59

set-multiple-registers

Time of First Successful Submission: 2025-11-02 02:40:59

add-to-register

Time of First Successful Submission: 2025-11-02 02:42:39

linear-equation-registers

Time of First Successful Submission: 2025-11-02 02:46:28

integer-division

Time of First Successful Submission: 2025-11-02 02:52:45

modulo-operation

Time of First Successful Submission: 2025-11-02 02:54:14

set-upper-byte

Time of First Successful Submission: 2025-11-02 02:57:32

efficient-modulo

Time of First Successful Submission: 2025-11-02 03:07:30

byte-extraction

Time of First Successful Submission: 2025-11-02 03:14:00

bitwise-and

Time of First Successful Submission: 2025-11-02 03:17:29

check-even

Time of First Successful Submission: 2025-11-02 03:20:23

memory-read

Time of First Successful Submission: 2025-11-02 03:23:53

memory-write

Time of First Successful Submission: 2025-11-02 03:25:12

memory-increment

Time of First Successful Submission: 2025-11-02 03:29:35

byte-access

Time of First Successful Submission: 2025-11-02 03:37:51

memory-size-access

Time of First Successful Submission: 2025-11-02 03:38:59

little-endian-write

Time of First Successful Submission: 2025-11-02 03:40:59

memory-sum

Time of First Successful Submission: 2025-11-02 03:42:20

stack-subtraction

Time of First Successful Submission: 2025-11-02 03:48:53

swap-stack-values

Time of First Successful Submission: 2025-11-02 03:50:12

average-stack-values

Time of First Successful Submission: 2025-11-02 03:51:16

absolute-jump

Time of First Successful Submission: 2025-11-02 03:57:51

relative-jump

Time of First Successful Submission: 2025-11-02 04:05:05

jump-trampoline

Time of First Successful Submission: 2025-11-02 04:06:59

conditional-jump

Time of First Successful Submission: 2025-11-02 04:10:19

indirect-jump

Time of First Successful Submission: 2025-11-02 04:15:06

average-loop

Time of First Successful Submission: 2025-11-02 04:21:15

count-non-zero

Time of First Successful Submission: 2025-11-02 04:23:07

string-lower

Time of First Successful Submission: 2025-11-02 04:56:45

most-common-byte

Time of First Successful Submission: 2025-11-02 05:08:44

Debugging Programs

Time of First Successful Submission: 2025-11-02 13:15:47

Inspecting Registers

Time of First Successful Submission: 2025-11-02 13:20:15

Examining Memory

Time of First Successful Submission: 2025-11-02 13:50:27

Setting Breakpoints

Time of First Successful Submission: 2025-11-02 14:03:25

GDB Scripting

Time of First Successful Submission: 2025-11-02 14:27:48

Modifying Data

Time of First Successful Submission: 2025-11-03 03:43:56

Modifying Execution

Time of First Successful Submission: 2025-11-03 04:39:16

Broken Functions

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

Exit

Time of First Successful Submission: 2025-11-03 06:53:49

Socket

Time of First Successful Submission: 2025-11-03 07:03:23

Bind

Time of First Successful Submission: 2025-11-03 07:04:17

Listen

Time of First Successful Submission: 2025-11-03 07:08:19

Accept

Time of First Successful Submission: 2025-11-03 07:11:29

Static Response

Time of First Successful Submission: 2025-11-03 07:13:47

Dynamic Response

Time of First Successful Submission: 2025-11-03 07:19:50

Iterative GET Server

Time of First Successful Submission: 2025-11-03 07:27:20

Concurrent GET Server

Time of First Successful Submission: 2025-11-03 07:30:14

Concurrent POST Server

Time of First Successful Submission: 2025-11-03 07:35:45

Web Server

Time of First Successful Submission: 2025-11-03 07:37:12

Playing With Programs

116 / 116 484 / 22213

What's the password?

Time of First Successful Submission: 2025-11-03 09:24:01

... and again!

Time of First Successful Submission: 2025-11-03 09:25:36

Newline Troubles

Time of First Successful Submission: 2025-11-03 09:30:10

Reasoning about files

Time of First Successful Submission: 2025-11-03 09:32:41

Specifying Filenames

Time of First Successful Submission: 2025-11-03 09:34:11

Binary and Hex Encoding

Time of First Successful Submission: 2025-11-03 09:39:30

More Hex

Time of First Successful Submission: 2025-11-03 09:41:34

Decoding Hex

Time of First Successful Submission: 2025-11-03 09:44:40

Decoding Practice

Time of First Successful Submission: 2025-11-03 09:47:31

Encoding Practice

Time of First Successful Submission: 2025-11-03 09:48:36

Hex-encoding ASCII

Time of First Successful Submission: 2025-11-03 11:55:38

Nested Encoding

Time of First Successful Submission: 2025-11-03 11:57:48

Hex-encoding UTF-8

Time of First Successful Submission: 2025-11-03 12:00:52

UTF Mixups

Time of First Successful Submission: 2025-11-03 12:02:07

Modifying Encoded Data

Time of First Successful Submission: 2025-11-03 12:03:31

Decoding Base64

Time of First Successful Submission: 2025-11-03 12:11:35

Encoding Base64

Time of First Successful Submission: 2025-11-03 12:12:56

Dealing with Obfuscation

Time of First Successful Submission: 2025-11-03 12:16:54

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-11-03 12:19:57

Your First HTTP Request

Time of First Successful Submission: 2025-11-03 12:28:37

Reading Flask

Time of First Successful Submission: 2025-11-03 12:31:33

Commented Data

Time of First Successful Submission: 2025-11-03 12:33:25

HTTP Metadata

Time of First Successful Submission: 2025-11-03 12:34:33

HTTP (netcat)

Time of First Successful Submission: 2025-11-03 12:38:02

HTTP Paths (netcat)

Time of First Successful Submission: 2025-11-03 12:38:48

HTTP (curl)

Time of First Successful Submission: 2025-11-03 12:39:53

HTTP (python)

Time of First Successful Submission: 2025-11-03 12:40:53

HTTP Host Header (python)

Time of First Successful Submission: 2025-11-03 12:42:14

HTTP Host Header (curl)

Time of First Successful Submission: 2025-11-03 12:43:03

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-11-03 12:43:52

URL Encoding (netcat)

Time of First Successful Submission: 2025-11-03 12:44:43

HTTP GET Parameters

Time of First Successful Submission: 2025-11-03 12:45:46

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-11-03 12:46:42

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-11-03 12:47:51

HTTP Forms

Time of First Successful Submission: 2025-11-03 12:48:50

HTTP Forms (curl)

Time of First Successful Submission: 2025-11-03 12:50:27

HTTP Forms (netcat)

Time of First Successful Submission: 2025-11-03 12:51:11

HTTP Forms (python)

Time of First Successful Submission: 2025-11-03 12:51:48

HTTP Forms Without Forms

Time of First Successful Submission: 2025-11-03 12:52:29

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-11-03 12:53:44

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-11-03 13:05:40

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-11-03 13:07:32

HTTP Redirects (curl)

Time of First Successful Submission: 2025-11-03 13:08:15

HTTP Redirects (python)

Time of First Successful Submission: 2025-11-03 13:09:01

HTTP Cookies (curl)

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

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-11-03 13:14:49

HTTP Cookies (python)

Time of First Successful Submission: 2025-11-03 13:15:28

Server State (python)

Time of First Successful Submission: 2025-11-03 13:16:24

Listening Web

Time of First Successful Submission: 2025-11-03 13:21:32

Speaking Redirects

Time of First Successful Submission: 2025-11-03 13:29:59

JavaScript Redirects

Time of First Successful Submission: 2025-11-03 13:39:49

Including JavaScript

Time of First Successful Submission: 2025-11-03 13:46:58

HTTP (javascript)

Time of First Successful Submission: 2025-11-03 13:53:20

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-11-03 13:55:21

HTTP Forms (javascript)

Time of First Successful Submission: 2025-11-03 13:57:14

cat

Time of First Successful Submission: 2025-11-04 01:33:56

more

Time of First Successful Submission: 2025-11-04 01:35:45

less

Time of First Successful Submission: 2025-11-04 01:36:16

tail

Time of First Successful Submission: 2025-11-04 01:36:44

head

Time of First Successful Submission: 2025-11-04 01:37:12

sort

Time of First Successful Submission: 2025-11-04 01:37:38

vim

Time of First Successful Submission: 2025-11-04 01:38:06

emacs

Time of First Successful Submission: 2025-11-04 01:38:36

nano

Time of First Successful Submission: 2025-11-04 01:38:59

rev

Time of First Successful Submission: 2025-11-04 01:39:42

od

Time of First Successful Submission: 2025-11-04 01:40:46

hd

Time of First Successful Submission: 2025-11-04 01:43:52

xxd

Time of First Successful Submission: 2025-11-04 01:44:38

base32

Time of First Successful Submission: 2025-11-04 01:45:30

base64

Time of First Successful Submission: 2025-11-04 01:46:09

split

Time of First Successful Submission: 2025-11-04 01:49:59

gzip

Time of First Successful Submission: 2025-11-04 01:56:08

bzip2

Time of First Successful Submission: 2025-11-04 01:56:50

zip

Time of First Successful Submission: 2025-11-04 01:57:28

tar

Time of First Successful Submission: 2025-11-04 01:57:53

ar

Time of First Successful Submission: 2025-11-04 01:58:15

cpio

Time of First Successful Submission: 2025-11-04 01:58:38

genisoimage

Time of First Successful Submission: 2025-11-04 01:59:59

env

Time of First Successful Submission: 2025-11-04 02:00:48

find

Time of First Successful Submission: 2025-11-04 02:01:16

make

Time of First Successful Submission: 2025-11-04 02:01:39

nice

Time of First Successful Submission: 2025-11-04 02:01:58

timeout

Time of First Successful Submission: 2025-11-04 02:02:23

stdbuf

Time of First Successful Submission: 2025-11-04 02:02:43

setarch

Time of First Successful Submission: 2025-11-04 02:03:39

watch

Time of First Successful Submission: 2025-11-04 02:14:48

socat

Time of First Successful Submission: 2025-11-04 02:15:17

whiptail

Time of First Successful Submission: 2025-11-04 02:15:39

awk

Time of First Successful Submission: 2025-11-04 02:16:07

sed

Time of First Successful Submission: 2025-11-04 02:16:33

ed

Time of First Successful Submission: 2025-11-04 02:18:33

chown

Time of First Successful Submission: 2025-11-04 02:18:53

chmod

Time of First Successful Submission: 2025-11-04 02:19:13

cp

Time of First Successful Submission: 2025-11-04 02:19:45

mv

Time of First Successful Submission: 2025-11-04 03:21:29

perl

Time of First Successful Submission: 2025-11-04 03:26:22

python

Time of First Successful Submission: 2025-11-04 03:26:43

ruby

Time of First Successful Submission: 2025-11-04 03:28:21

bash

Time of First Successful Submission: 2025-11-04 03:28:46

date

Time of First Successful Submission: 2025-11-04 03:29:10

dmesg

Time of First Successful Submission: 2025-11-04 03:29:38

wc

Time of First Successful Submission: 2025-11-04 03:30:35

gcc

Time of First Successful Submission: 2025-11-04 03:30:54

as

Time of First Successful Submission: 2025-11-04 03:31:20

wget

Time of First Successful Submission: 2025-11-04 04:52:04

ssh-keygen

Time of First Successful Submission: 2025-11-04 04:54:48

SQL Queries

Time of First Successful Submission: 2025-11-04 08:24:35

Filtering SQL

Time of First Successful Submission: 2025-11-04 08:28:40

Choosing Columns

Time of First Successful Submission: 2025-11-04 08:32:48

Exclusionary Filtering

Time of First Successful Submission: 2025-11-04 08:36:11

Filtering Strings

Time of First Successful Submission: 2025-11-04 08:37:14

Filtering on Expressions

Time of First Successful Submission: 2025-11-04 08:38:18

SELECTing Expressions

Time of First Successful Submission: 2025-11-04 08:43:59

Composite Conditions

Time of First Successful Submission: 2025-11-04 08:48:31

Reaching Your LIMITs

Time of First Successful Submission: 2025-11-04 08:49:46

Querying Metadata

Time of First Successful Submission: 2025-11-04 09:03:10

CybHer Dojo

11 / 104 1311 / 38570

Using the Terminal

Time of First Successful Submission: 2025-08-07 12:38:05

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-07 12:40:03

Using the GUI Desktop

Time of First Successful Submission: 2025-08-07 12:47:19

Pasting into the Desktop

Time of First Successful Submission: 2025-08-07 12:49:05

Restarting Challenges

Time of First Successful Submission: 2025-08-07 12:50:56

Getting Help

Time of First Successful Submission: 2025-08-07 12:59:09

Challenge Programs

Time of First Successful Submission: 2025-08-07 13:00:43

The Flag File

Time of First Successful Submission: 2025-08-07 13:04:50

Using Privileged Mode

Time of First Successful Submission: 2025-08-07 13:08:01

Persistent Home Directories - One

Time of First Successful Submission: 2025-08-07 13:10:40

Persistent Home Directories - Two

Time of First Successful Submission: 2025-08-07 13:16:02

GCA CTF

11 / 104 1311 / 38570

Using the Terminal

Time of First Successful Submission: 2025-08-07 12:38:05

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-07 12:40:03

Using the GUI Desktop

Time of First Successful Submission: 2025-08-07 12:47:19

Pasting into the Desktop

Time of First Successful Submission: 2025-08-07 12:49:05

Restarting Challenges

Time of First Successful Submission: 2025-08-07 12:50:56

Getting Help

Time of First Successful Submission: 2025-08-07 12:59:09

Challenge Programs

Time of First Successful Submission: 2025-08-07 13:00:43

The Flag File

Time of First Successful Submission: 2025-08-07 13:04:50

Using Privileged Mode

Time of First Successful Submission: 2025-08-07 13:08:01

Persistent Home Directories - One

Time of First Successful Submission: 2025-08-07 13:10:40

Persistent Home Directories - Two

Time of First Successful Submission: 2025-08-07 13:16:02