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16 / 201 7733 / 16663

HTTP (curl)

Time of First Successful Submission: 2024-07-21 22:55:08

HTTP (python)

Time of First Successful Submission: 2024-07-21 23:00:53

URL Encoding (curl)

Time of First Successful Submission: 2024-07-21 23:08:47

URL Encoding (python)

Time of First Successful Submission: 2024-07-21 23:10:01

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-07-21 23:37:16

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-07-21 23:38:10

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-07-21 23:51:44

Multiple Form Fields (python)

Time of First Successful Submission: 2024-07-22 00:28:37

HTTP JSON (curl)

Time of First Successful Submission: 2024-07-22 00:37:09

HTTP JSON (netcat)

Time of First Successful Submission: 2024-07-22 00:06:48

HTTP JSON (python)

Time of First Successful Submission: 2024-07-22 00:29:31

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-07-22 00:38:46

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-07-22 00:16:51

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-07-22 00:31:25

Server State (curl)

Time of First Successful Submission: 2024-07-22 00:41:27

Server State (netcat)

Time of First Successful Submission: 2024-07-22 00:24:39

Intro to Programming Languages

15 / 234 6994 / 26856

Commands

Time of First Successful Submission: 2024-07-20 23:51:49

Command Arguments

Time of First Successful Submission: 2024-07-20 23:52:19

Command History

Time of First Successful Submission: 2026-01-10 00:52:33

The Root Path

Time of First Successful Submission: 2024-07-20 23:52:57

Absolute Paths

Time of First Successful Submission: 2024-07-20 23:53:41

Changing position

Time of First Successful Submission: 2024-07-20 23:54:16

Changing to an Absolute Path

Time of First Successful Submission: 2024-07-20 23:54:51

Relative Paths

Time of First Successful Submission: 2024-07-20 23:56:03

Cat

Time of First Successful Submission: 2024-07-20 23:59:30

Ls

Time of First Successful Submission: 2024-07-21 00:09:12

Ls All

Time of First Successful Submission: 2024-07-21 00:19:23

Find

Time of First Successful Submission: 2024-07-21 00:25:25

Piping Echo

Time of First Successful Submission: 2024-07-21 00:41:53

Piping Stdout

Time of First Successful Submission: 2024-07-21 00:42:31

Piping Stdin

Time of First Successful Submission: 2024-07-21 00:47:30

Intro to Cybersecurity

164 / 183 307 / 17684

Path Traversal 1

Time of First Successful Submission: 2025-05-10 04:51:17

Path Traversal 2

Time of First Successful Submission: 2025-05-10 04:55:57

CMDi 1

Time of First Successful Submission: 2025-05-10 05:01:15

CMDi 2

Time of First Successful Submission: 2025-05-10 05:03:48

CMDi 3

Time of First Successful Submission: 2025-05-10 05:05:24

CMDi 4

Time of First Successful Submission: 2025-05-10 05:06:44

CMDi 5

Time of First Successful Submission: 2025-05-10 05:18:30

CMDi 6

Time of First Successful Submission: 2025-05-10 05:19:50

Authentication Bypass 1

Time of First Successful Submission: 2025-05-10 05:21:08

Authentication Bypass 2

Time of First Successful Submission: 2025-05-10 05:22:28

SQLi 1

Time of First Successful Submission: 2025-05-10 05:26:19

SQLi 2

Time of First Successful Submission: 2025-05-10 05:28:52

SQLi 3

Time of First Successful Submission: 2025-05-10 05:31:12

SQLi 4

Time of First Successful Submission: 2025-05-10 05:33:09

SQLi 5

Time of First Successful Submission: 2025-05-10 05:40:37

XSS 1

Time of First Successful Submission: 2025-05-10 05:42:05

XSS 2

Time of First Successful Submission: 2025-05-10 05:43:37

XSS 3

Time of First Successful Submission: 2025-05-10 05:45:08

XSS 4

Time of First Successful Submission: 2025-05-10 05:46:25

XSS 5

Time of First Successful Submission: 2025-05-10 05:50:35

XSS 6

Time of First Successful Submission: 2025-05-10 05:52:41

XSS 7

Time of First Successful Submission: 2025-05-10 06:17:54

CSRF 1

Time of First Successful Submission: 2025-05-10 06:27:24

CSRF 2

Time of First Successful Submission: 2025-05-10 06:29:58

CSRF 3

Time of First Successful Submission: 2025-05-10 06:32:40

CSRF 4

Time of First Successful Submission: 2025-05-10 06:39:27

CSRF 5

Time of First Successful Submission: 2025-05-10 16:17:31

Connect

Time of First Successful Submission: 2024-07-24 02:02:38

Send

Time of First Successful Submission: 2025-05-11 03:36:14

Shutdown

Time of First Successful Submission: 2025-05-11 03:37:05

Listen

Time of First Successful Submission: 2024-07-24 02:03:09

Scan 1

Time of First Successful Submission: 2024-07-24 02:06:59

Scan 2

Time of First Successful Submission: 2024-07-24 03:23:21

Monitor 1

Time of First Successful Submission: 2024-07-24 03:27:07

Monitor 2

Time of First Successful Submission: 2024-07-24 03:39:11

Sniffing Cookies

Time of First Successful Submission: 2025-05-11 03:41:39

Network Configuration

Time of First Successful Submission: 2024-07-24 03:41:05

Firewall 1

Time of First Successful Submission: 2025-05-11 03:42:13

Firewall 2

Time of First Successful Submission: 2025-05-11 03:43:17

Firewall 3

Time of First Successful Submission: 2025-05-11 03:44:16

Denial of Service 1

Time of First Successful Submission: 2025-05-11 03:57:16

Denial of Service 2

Time of First Successful Submission: 2025-05-11 03:58:51

Denial of Service 3

Time of First Successful Submission: 2025-05-11 04:01:27

Ethernet

Time of First Successful Submission: 2024-07-24 03:44:40

IP

Time of First Successful Submission: 2024-07-24 03:54:19

TCP

Time of First Successful Submission: 2024-07-24 04:08:47

TCP Handshake

Time of First Successful Submission: 2024-07-24 05:43:51

UDP

Time of First Successful Submission: 2025-05-11 04:02:37

UDP 2

Time of First Successful Submission: 2025-05-11 04:03:29

UDP Spoofing 1

Time of First Successful Submission: 2025-05-11 04:04:34

UDP Spoofing 2

Time of First Successful Submission: 2025-05-11 04:06:40

UDP Spoofing 3

Time of First Successful Submission: 2025-05-11 04:09:06

UDP Spoofing 4

Time of First Successful Submission: 2025-05-11 04:23:19

ARP

Time of First Successful Submission: 2024-07-24 05:48:26

Intercept

Time of First Successful Submission: 2024-07-24 17:16:07

Man-in-the-Middle

Time of First Successful Submission: 2024-07-25 04:20:09

XOR

Time of First Successful Submission: 2025-05-03 03:36:04

XORing Hex

Time of First Successful Submission: 2025-05-03 03:38:46

XORing ASCII

Time of First Successful Submission: 2025-05-03 03:44:17

XORing ASCII Strings

Time of First Successful Submission: 2025-05-03 03:45:56

One-time Pad

Time of First Successful Submission: 2024-07-25 14:49:47

One-time Pad Tampering

Time of First Successful Submission: 2026-01-09 01:02:56

Many-time Pad

Time of First Successful Submission: 2024-07-25 16:06:11

AES

Time of First Successful Submission: 2024-07-25 16:17:42

AES-ECB-CPA

Time of First Successful Submission: 2025-05-03 04:45:43

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-05-03 04:52:57

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-05-03 04:54:51

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-05-04 03:39:35

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-05-04 03:45:36

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-05-04 03:46:36

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2024-07-25 16:34:01

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-05-10 03:31:39

AES-CBC

Time of First Successful Submission: 2025-05-10 03:33:06

AES-CBC Tampering

Time of First Successful Submission: 2025-05-10 03:36:19

AES-CBC Resizing

Time of First Successful Submission: 2025-05-10 03:38:04

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-05-10 03:50:12

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-05-10 03:12:38

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-05-10 04:17:28

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-05-10 04:40:09

DHKE

Time of First Successful Submission: 2024-07-25 17:02:00

DHKE-to-AES

Time of First Successful Submission: 2025-05-10 04:42:34

RSA 1

Time of First Successful Submission: 2024-07-25 17:27:20

RSA 2

Time of First Successful Submission: 2024-07-25 17:29:36

RSA 3

Time of First Successful Submission: 2024-07-25 17:34:47

RSA 4

Time of First Successful Submission: 2024-07-25 17:59:15

RSA Signatures

Time of First Successful Submission: 2025-05-10 04:47:29

SHA 1

Time of First Successful Submission: 2024-07-25 17:30:37

SHA 2

Time of First Successful Submission: 2024-07-25 17:31:48

TLS 1

Time of First Successful Submission: 2024-07-25 20:08:46

TLS 2

Time of First Successful Submission: 2025-05-03 03:28:59

level1

Time of First Successful Submission: 2024-07-25 04:21:07

level2

Time of First Successful Submission: 2024-07-25 04:22:37

level3

Time of First Successful Submission: 2024-07-25 04:23:22

level4

Time of First Successful Submission: 2024-07-25 04:24:01

level5

Time of First Successful Submission: 2024-07-25 04:24:44

level6

Time of First Successful Submission: 2024-07-25 04:27:51

level7

Time of First Successful Submission: 2024-07-25 04:28:52

level8

Time of First Successful Submission: 2024-07-25 04:29:33

level9

Time of First Successful Submission: 2024-07-25 04:30:08

level10

Time of First Successful Submission: 2024-07-25 04:32:33

level11

Time of First Successful Submission: 2024-07-25 04:36:19

level12

Time of First Successful Submission: 2024-07-25 04:37:45

level13

Time of First Successful Submission: 2024-07-25 04:38:20

level14

Time of First Successful Submission: 2024-07-25 04:39:39

level15

Time of First Successful Submission: 2024-07-25 04:40:10

level16

Time of First Successful Submission: 2024-07-25 04:40:54

level17

Time of First Successful Submission: 2024-07-25 05:16:15

level18

Time of First Successful Submission: 2024-07-25 05:17:26

level19

Time of First Successful Submission: 2024-07-25 05:25:22

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-05-11 04:27:04

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-05-11 04:28:21

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-05-11 04:30:24

Reading Endianness (Python)

Time of First Successful Submission: 2025-05-11 04:31:33

Reading Endianness (C)

Time of First Successful Submission: 2025-05-11 04:33:21

Reading Endianness (x86)

Time of First Successful Submission: 2025-05-11 04:34:46

Version Information (Python)

Time of First Successful Submission: 2025-05-11 04:36:15

Version Information (C)

Time of First Successful Submission: 2025-05-11 04:37:44

Version Information (x86)

Time of First Successful Submission: 2025-05-11 04:40:10

Metadata and Data (Python)

Time of First Successful Submission: 2025-05-11 04:41:23

Metadata and Data (C)

Time of First Successful Submission: 2025-05-11 04:42:50

Metadata and Data (x86)

Time of First Successful Submission: 2025-05-11 04:44:26

Input Restrictions (Python)

Time of First Successful Submission: 2025-05-11 04:45:50

Input Restrictions (C)

Time of First Successful Submission: 2025-05-11 04:47:24

Input Restrictions (x86)

Time of First Successful Submission: 2025-05-11 04:49:33

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-05-11 04:51:02

Behold the cIMG! (C)

Time of First Successful Submission: 2025-05-11 04:52:31

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-05-11 04:54:17

A Basic cIMG (Python)

Time of First Successful Submission: 2025-05-11 04:56:27

A Basic cIMG (C)

Time of First Successful Submission: 2025-05-11 04:58:10

A Basic cIMG (x86)

Time of First Successful Submission: 2025-05-11 05:00:39

Internal State Mini (C)

Time of First Successful Submission: 2025-05-11 05:03:28

Internal State Mini (x86)

Time of First Successful Submission: 2025-05-11 05:09:43

Internal State (C)

Time of First Successful Submission: 2025-05-11 05:32:34

Internal State (x86)

Time of First Successful Submission: 2025-05-11 05:49:17

File Formats: Directives (C)

Time of First Successful Submission: 2025-05-11 05:59:14

File Formats: Directives (x86)

Time of First Successful Submission: 2025-05-11 06:02:20

The Patch Directive

Time of First Successful Submission: 2025-05-16 01:28:24

Optimizing for Space

Time of First Successful Submission: 2025-05-16 02:03:53

Tweaking Images

Time of First Successful Submission: 2025-05-16 23:39:07

Extracting Knowledge

Time of First Successful Submission: 2025-05-18 02:53:20

Your First Overflow (easy)

Time of First Successful Submission: 2025-05-10 16:21:48

Your First Overflow (hard)

Time of First Successful Submission: 2025-05-10 16:24:51

Precision (easy)

Time of First Successful Submission: 2025-05-10 16:26:55

Precision (hard)

Time of First Successful Submission: 2025-05-10 16:35:44

Variable Control (easy)

Time of First Successful Submission: 2025-05-10 16:40:42

Variable Control (hard)

Time of First Successful Submission: 2025-05-10 23:25:57

Control Hijack (easy)

Time of First Successful Submission: 2025-05-10 23:28:38

Control Hijack (hard)

Time of First Successful Submission: 2025-05-10 23:34:08

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-05-10 23:37:10

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-05-10 23:39:26

PIEs (easy)

Time of First Successful Submission: 2025-05-10 23:44:07

PIEs (hard)

Time of First Successful Submission: 2025-05-10 23:49:55

String Lengths (easy)

Time of First Successful Submission: 2025-05-11 00:01:59

String Lengths (hard)

Time of First Successful Submission: 2025-05-11 00:47:14

Basic Shellcode

Time of First Successful Submission: 2025-05-11 00:52:10

NOP Sleds

Time of First Successful Submission: 2025-05-11 00:54:22

NULL-Free Shellcode

Time of First Successful Submission: 2025-05-11 01:26:28

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-05-11 03:20:13

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-05-11 03:23:55

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-05-11 03:31:21

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-05-11 03:34:31

ECB-to-Win (easy)

Time of First Successful Submission: 2026-01-04 07:09:00

ECB-to-Win (hard)

Time of First Successful Submission: 2026-01-04 07:11:03

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-01-04 07:15:07

Program Security

4 / 162 7279 / 8967

ello ackers!

Time of First Successful Submission: 2025-05-18 03:03:10

Syscall Smuggler

Time of First Successful Submission: 2025-05-18 03:13:26

Syscall Shenanigans

Time of First Successful Submission: 2025-05-18 03:17:17

Byte Budget

Time of First Successful Submission: 2026-01-11 03:45:34

Start Here

11 / 12 6352 / 37264

Using the Terminal

Time of First Successful Submission: 2026-01-04 06:07:42

Using the VSCode Workspace

Time of First Successful Submission: 2024-04-28 02:34:56

Using the GUI Desktop

Time of First Successful Submission: 2024-04-28 02:36:12

Pasting into the Desktop

Time of First Successful Submission: 2024-04-28 02:37:13

Restarting Challenges

Time of First Successful Submission: 2024-07-20 23:48:15

Challenge Programs

Time of First Successful Submission: 2024-07-20 23:50:49

The Flag File

Time of First Successful Submission: 2024-04-28 02:38:05

Using Privileged Mode

Time of First Successful Submission: 2024-04-28 02:39:45

Persistent Home Directories - One

Time of First Successful Submission: 2024-04-28 02:42:15

Persistent Home Directories - Two

Time of First Successful Submission: 2024-04-28 02:42:54

Linux Luminarium

128 / 128 1225 / 27158

Intro to Commands

Time of First Successful Submission: 2024-07-20 23:51:49

Intro to Arguments

Time of First Successful Submission: 2024-07-20 23:52:19

Command History

Time of First Successful Submission: 2026-01-10 00:52:33

The Root

Time of First Successful Submission: 2024-07-20 23:52:57

Program and absolute paths

Time of First Successful Submission: 2024-07-20 23:53:41

Position thy self

Time of First Successful Submission: 2024-07-20 23:54:16

Position elsewhere

Time of First Successful Submission: 2024-07-20 23:54:51

implicit relative paths, from /

Time of First Successful Submission: 2024-07-20 23:56:03

explicit relative paths, from /

Time of First Successful Submission: 2024-07-20 23:56:46

implicit relative path

Time of First Successful Submission: 2024-07-20 23:57:48

home sweet home

Time of First Successful Submission: 2024-07-20 23:58:59

cat: not the pet, but the command!

Time of First Successful Submission: 2024-07-20 23:59:30

catting absolute paths

Time of First Successful Submission: 2024-07-20 23:59:56

more catting practice

Time of First Successful Submission: 2024-07-21 00:02:57

grepping for a needle in a haystack

Time of First Successful Submission: 2024-07-21 00:03:35

comparing files

Time of First Successful Submission: 2026-01-10 00:53:08

listing files

Time of First Successful Submission: 2024-07-21 00:09:12

touching files

Time of First Successful Submission: 2024-07-21 00:09:46

removing files

Time of First Successful Submission: 2024-07-21 00:18:23

moving files

Time of First Successful Submission: 2026-01-10 00:53:33

copying files

Time of First Successful Submission: 2026-01-10 00:53:55

hidden files

Time of First Successful Submission: 2024-07-21 00:19:23

An Epic Filesystem Quest

Time of First Successful Submission: 2024-07-21 00:23:28

making directories

Time of First Successful Submission: 2024-07-21 00:24:12

finding files

Time of First Successful Submission: 2024-07-21 00:25:25

linking files

Time of First Successful Submission: 2025-05-03 03:31:07

Learning From Documentation

Time of First Successful Submission: 2024-07-21 00:26:11

Learning Complex Usage

Time of First Successful Submission: 2024-07-21 00:27:21

Reading Manuals

Time of First Successful Submission: 2024-07-21 00:28:17

Searching Manuals

Time of First Successful Submission: 2024-07-21 00:29:08

Searching For Manuals

Time of First Successful Submission: 2024-07-21 00:32:50

Helpful Programs

Time of First Successful Submission: 2024-07-21 00:33:52

Help for Builtins

Time of First Successful Submission: 2024-07-21 00:34:37

Matching with *

Time of First Successful Submission: 2024-07-21 00:35:21

Matching with ?

Time of First Successful Submission: 2024-07-21 00:35:56

Matching with []

Time of First Successful Submission: 2024-07-21 00:36:58

Matching paths with []

Time of First Successful Submission: 2024-07-21 00:37:43

Multiple globs

Time of First Successful Submission: 2026-01-10 00:54:33

Mixing globs

Time of First Successful Submission: 2024-07-21 00:40:16

Exclusionary globbing

Time of First Successful Submission: 2024-07-21 00:41:09

Tab completion

Time of First Successful Submission: 2026-01-10 00:54:57

Multiple options for tab completion

Time of First Successful Submission: 2026-01-10 00:55:29

Tab completion on commands

Time of First Successful Submission: 2026-01-10 00:55:47

Redirecting output

Time of First Successful Submission: 2024-07-21 00:41:53

Redirecting more output

Time of First Successful Submission: 2024-07-21 00:42:31

Appending output

Time of First Successful Submission: 2024-07-21 00:43:13

Redirecting errors

Time of First Successful Submission: 2024-07-21 00:44:20

Redirecting input

Time of First Successful Submission: 2024-07-21 00:47:30

Grepping stored results

Time of First Successful Submission: 2024-07-21 00:48:35

Grepping live output

Time of First Successful Submission: 2024-07-21 00:49:08

Grepping errors

Time of First Successful Submission: 2024-07-21 00:51:00

Filtering with grep -v

Time of First Successful Submission: 2026-01-10 00:56:31

Filtering with sed

Time of First Successful Submission: 2026-01-10 00:57:03

Duplicating piped data with tee

Time of First Successful Submission: 2024-07-21 01:08:35

Process substitution for input

Time of First Successful Submission: 2026-01-10 00:57:56

Writing to multiple programs

Time of First Successful Submission: 2024-07-21 01:12:13

Split-piping stderr and stdout

Time of First Successful Submission: 2025-05-03 03:32:43

Named pipes

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

Printing Variables

Time of First Successful Submission: 2024-07-21 01:13:05

Setting Variables

Time of First Successful Submission: 2024-07-21 01:13:32

Multi-word Variables

Time of First Successful Submission: 2024-07-21 01:14:10

Exporting Variables

Time of First Successful Submission: 2024-07-21 01:15:19

Printing Exported Variables

Time of First Successful Submission: 2024-07-21 01:15:59

Storing Command Output

Time of First Successful Submission: 2024-07-21 01:18:14

Reading Input

Time of First Successful Submission: 2024-07-21 01:18:53

Reading Files

Time of First Successful Submission: 2024-07-21 01:20:01

Translating characters

Time of First Successful Submission: 2026-01-10 01:02:59

Deleting characters

Time of First Successful Submission: 2026-01-10 01:03:30

Deleting newlines

Time of First Successful Submission: 2026-01-10 01:04:03

Extracting the first lines with head

Time of First Successful Submission: 2026-01-10 01:05:25

Extracting specific sections of text

Time of First Successful Submission: 2026-01-10 01:06:35

Sorting data

Time of First Successful Submission: 2026-01-10 01:07:00

Listing Processes

Time of First Successful Submission: 2024-07-21 01:20:58

Killing Processes

Time of First Successful Submission: 2024-07-21 01:21:32

Interrupting Processes

Time of First Successful Submission: 2024-07-21 01:22:00

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-10 01:08:55

Suspending Processes

Time of First Successful Submission: 2024-07-21 01:22:28

Resuming Processes

Time of First Successful Submission: 2024-07-21 01:22:52

Backgrounding Processes

Time of First Successful Submission: 2024-07-21 01:24:06

Foregrounding Processes

Time of First Successful Submission: 2024-07-21 01:24:44

Starting Backgrounded Processes

Time of First Successful Submission: 2024-07-21 01:25:06

Process Exit Codes

Time of First Successful Submission: 2025-05-03 03:33:44

Becoming root with su

Time of First Successful Submission: 2024-07-21 22:36:25

Other users with su

Time of First Successful Submission: 2024-07-21 22:37:31

Cracking passwords

Time of First Successful Submission: 2024-07-21 22:39:10

Using sudo

Time of First Successful Submission: 2024-07-21 22:40:02

Changing File Ownership

Time of First Successful Submission: 2024-07-21 01:25:55

Groups and Files

Time of First Successful Submission: 2024-07-21 01:26:22

Fun With Groups Names

Time of First Successful Submission: 2024-07-21 01:27:02

Changing Permissions

Time of First Successful Submission: 2024-07-21 01:27:35

Executable Files

Time of First Successful Submission: 2024-07-21 01:28:18

Permission Tweaking Practice

Time of First Successful Submission: 2024-07-21 01:34:02

Permissions Setting Practice

Time of First Successful Submission: 2024-07-21 01:36:39

The SUID Bit

Time of First Successful Submission: 2024-07-21 01:37:29

Chaining with Semicolons

Time of First Successful Submission: 2024-07-21 22:40:44

Building on Success

Time of First Successful Submission: 2026-01-10 01:09:20

Handling Failure

Time of First Successful Submission: 2026-01-10 01:09:43

Your First Shell Script

Time of First Successful Submission: 2024-07-21 22:42:38

Redirecting Script Output

Time of First Successful Submission: 2024-07-21 22:43:47

Executable Shell Scripts

Time of First Successful Submission: 2024-07-21 22:44:24

Understanding Shebangs

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

Scripting with Arguments

Time of First Successful Submission: 2026-01-10 01:11:15

Scripting with Conditionals

Time of First Successful Submission: 2026-01-10 01:13:42

Scripting with Default Cases

Time of First Successful Submission: 2026-01-10 01:14:12

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-10 01:15:35

Reading Shell Scripts

Time of First Successful Submission: 2026-01-10 01:16:07

Launching Screen

Time of First Successful Submission: 2026-01-10 01:16:35

Detaching and Attaching

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

Finding Sessions

Time of First Successful Submission: 2026-01-10 01:17:56

Switching Windows

Time of First Successful Submission: 2026-01-10 01:18:23

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-10 01:18:58

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-10 01:19:32

The PATH Variable

Time of First Successful Submission: 2024-07-21 22:45:50

Setting PATH

Time of First Successful Submission: 2024-07-21 22:46:38

Finding Commands

Time of First Successful Submission: 2026-01-10 00:52:11

Adding Commands

Time of First Successful Submission: 2024-07-21 22:49:58

Hijacking Commands

Time of First Successful Submission: 2024-07-21 22:51:42

Bashrc Backdoor

Time of First Successful Submission: 2026-01-10 01:21:30

Sniffing Input

Time of First Successful Submission: 2026-01-10 01:22:37

Overshared Directories

Time of First Successful Submission: 2026-01-10 01:31:44

Tricky Linking

Time of First Successful Submission: 2026-01-10 01:32:56

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-10 01:33:51

Snooping on Configurations

Time of First Successful Submission: 2026-01-10 01:34:59

The Fork Bomb

Time of First Successful Submission: 2026-01-10 01:48:16

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-10 01:49:04

rm -rf /

Time of First Successful Submission: 2026-01-10 01:53:05

Life after rm -rf /

Time of First Successful Submission: 2026-01-10 01:56:38

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-10 02:00:15

Computing 101

69 / 69 1373 / 19204

Your First Register

Time of First Successful Submission: 2026-01-04 04:29:23

Your First Syscall

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

Exit Codes

Time of First Successful Submission: 2026-01-04 04:31:02

Building Executables

Time of First Successful Submission: 2026-01-04 04:32:56

Moving Between Registers

Time of First Successful Submission: 2026-01-04 04:34:08

Tracing Syscalls

Time of First Successful Submission: 2026-01-04 04:35:14

Starting GDB

Time of First Successful Submission: 2026-01-04 04:35:40

Starting Programs in GDB

Time of First Successful Submission: 2026-01-04 04:36:14

Loading From Memory

Time of First Successful Submission: 2026-01-04 04:37:59

More Loading Practice

Time of First Successful Submission: 2026-01-04 04:38:35

Dereferencing Pointers

Time of First Successful Submission: 2026-01-04 04:39:47

Dereferencing Yourself

Time of First Successful Submission: 2026-01-04 04:40:38

Dereferencing with Offsets

Time of First Successful Submission: 2026-01-04 04:41:27

Stored Addresses

Time of First Successful Submission: 2026-01-04 04:42:40

Double Dereference

Time of First Successful Submission: 2026-01-04 04:43:49

Triple Dereference

Time of First Successful Submission: 2026-01-04 04:44:29

Writing Output

Time of First Successful Submission: 2026-01-04 04:46:38

Chaining Syscalls

Time of First Successful Submission: 2026-01-04 04:47:22

Writing Strings

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

Reading Data

Time of First Successful Submission: 2026-01-04 04:51:00

set-register

Time of First Successful Submission: 2026-01-04 04:55:03

set-multiple-registers

Time of First Successful Submission: 2026-01-04 04:56:09

add-to-register

Time of First Successful Submission: 2026-01-04 04:57:16

linear-equation-registers

Time of First Successful Submission: 2026-01-04 04:58:36

integer-division

Time of First Successful Submission: 2026-01-04 05:00:52

modulo-operation

Time of First Successful Submission: 2026-01-04 05:01:51

set-upper-byte

Time of First Successful Submission: 2026-01-04 05:03:14

efficient-modulo

Time of First Successful Submission: 2026-01-04 05:21:27

byte-extraction

Time of First Successful Submission: 2026-01-04 05:24:41

bitwise-and

Time of First Successful Submission: 2026-01-04 05:25:42

check-even

Time of First Successful Submission: 2026-01-04 05:27:04

memory-read

Time of First Successful Submission: 2026-01-04 05:27:55

memory-write

Time of First Successful Submission: 2026-01-04 05:28:35

memory-increment

Time of First Successful Submission: 2026-01-04 05:30:57

byte-access

Time of First Successful Submission: 2026-01-04 05:31:45

memory-size-access

Time of First Successful Submission: 2026-01-04 05:32:43

little-endian-write

Time of First Successful Submission: 2026-01-04 05:33:36

memory-sum

Time of First Successful Submission: 2026-01-04 05:34:19

stack-subtraction

Time of First Successful Submission: 2026-01-04 05:34:58

swap-stack-values

Time of First Successful Submission: 2026-01-04 05:35:33

average-stack-values

Time of First Successful Submission: 2026-01-04 05:36:30

absolute-jump

Time of First Successful Submission: 2026-01-04 05:37:14

relative-jump

Time of First Successful Submission: 2026-01-04 05:38:17

jump-trampoline

Time of First Successful Submission: 2026-01-04 05:39:05

conditional-jump

Time of First Successful Submission: 2026-01-04 05:41:15

indirect-jump

Time of First Successful Submission: 2026-01-04 05:43:37

average-loop

Time of First Successful Submission: 2026-01-04 05:44:32

count-non-zero

Time of First Successful Submission: 2026-01-04 05:45:23

string-lower

Time of First Successful Submission: 2026-01-04 05:46:09

most-common-byte

Time of First Successful Submission: 2026-01-04 05:47:05

Debugging Programs

Time of First Successful Submission: 2026-01-04 05:47:53

Inspecting Registers

Time of First Successful Submission: 2026-01-04 05:48:41

Examining Memory

Time of First Successful Submission: 2026-01-04 05:51:25

Setting Breakpoints

Time of First Successful Submission: 2026-01-04 05:56:17

GDB Scripting

Time of First Successful Submission: 2026-01-04 06:01:29

Modifying Data

Time of First Successful Submission: 2026-01-04 06:02:42

Modifying Execution

Time of First Successful Submission: 2026-01-04 06:03:21

Broken Functions

Time of First Successful Submission: 2026-01-04 06:06:47

Exit

Time of First Successful Submission: 2024-07-23 00:27:16

Socket

Time of First Successful Submission: 2024-07-23 00:37:20

Bind

Time of First Successful Submission: 2024-07-23 00:44:16

Listen

Time of First Successful Submission: 2024-07-23 00:58:04

Accept

Time of First Successful Submission: 2024-07-24 00:34:14

Static Response

Time of First Successful Submission: 2024-07-24 00:37:32

Dynamic Response

Time of First Successful Submission: 2024-07-24 01:46:35

Iterative GET Server

Time of First Successful Submission: 2024-07-24 01:52:18

Concurrent GET Server

Time of First Successful Submission: 2024-07-24 02:00:17

Concurrent POST Server

Time of First Successful Submission: 2024-07-24 02:00:38

Web Server

Time of First Successful Submission: 2024-07-24 02:01:14

Playing With Programs

116 / 116 653 / 21891

What's the password?

Time of First Successful Submission: 2026-01-10 05:25:06

... and again!

Time of First Successful Submission: 2026-01-10 05:25:38

Newline Troubles

Time of First Successful Submission: 2026-01-10 05:26:19

Reasoning about files

Time of First Successful Submission: 2026-01-10 05:27:34

Specifying Filenames

Time of First Successful Submission: 2026-01-10 05:28:46

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-10 05:29:26

More Hex

Time of First Successful Submission: 2026-01-10 05:30:03

Decoding Hex

Time of First Successful Submission: 2026-01-10 05:30:41

Decoding Practice

Time of First Successful Submission: 2026-01-10 05:31:27

Encoding Practice

Time of First Successful Submission: 2026-01-10 05:32:37

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-10 05:33:07

Nested Encoding

Time of First Successful Submission: 2026-01-10 05:33:43

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-10 05:34:34

UTF Mixups

Time of First Successful Submission: 2026-01-10 05:35:07

Modifying Encoded Data

Time of First Successful Submission: 2026-01-10 05:35:39

Decoding Base64

Time of First Successful Submission: 2024-07-25 14:44:55

Encoding Base64

Time of First Successful Submission: 2026-01-10 05:36:06

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-10 05:36:34

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-10 05:37:07

Your First HTTP Request

Time of First Successful Submission: 2026-01-10 04:57:59

Reading Flask

Time of First Successful Submission: 2026-01-10 04:59:24

Commented Data

Time of First Successful Submission: 2026-01-10 05:01:12

HTTP Metadata

Time of First Successful Submission: 2026-01-10 05:02:32

HTTP (netcat)

Time of First Successful Submission: 2024-07-21 22:59:25

HTTP Paths (netcat)

Time of First Successful Submission: 2024-07-21 23:06:41

HTTP (curl)

Time of First Successful Submission: 2024-07-21 23:05:43

HTTP (python)

Time of First Successful Submission: 2024-07-21 23:07:21

HTTP Host Header (python)

Time of First Successful Submission: 2024-07-21 23:04:49

HTTP Host Header (curl)

Time of First Successful Submission: 2024-07-21 23:02:12

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-07-21 23:03:37

URL Encoding (netcat)

Time of First Successful Submission: 2024-07-21 23:34:04

HTTP GET Parameters

Time of First Successful Submission: 2024-07-21 23:35:29

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-07-21 23:45:50

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-07-21 23:41:12

HTTP Forms

Time of First Successful Submission: 2026-01-10 05:04:08

HTTP Forms (curl)

Time of First Successful Submission: 2024-07-21 23:54:37

HTTP Forms (netcat)

Time of First Successful Submission: 2024-07-22 00:01:35

HTTP Forms (python)

Time of First Successful Submission: 2024-07-22 00:27:09

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-10 05:08:24

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-07-22 00:35:11

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-07-22 00:03:54

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-07-22 00:20:07

HTTP Redirects (curl)

Time of First Successful Submission: 2024-07-22 00:39:26

HTTP Redirects (python)

Time of First Successful Submission: 2024-07-22 00:32:01

HTTP Cookies (curl)

Time of First Successful Submission: 2024-07-22 00:40:32

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-07-22 00:21:41

HTTP Cookies (python)

Time of First Successful Submission: 2024-07-22 00:33:06

Server State (python)

Time of First Successful Submission: 2024-07-22 00:33:49

Listening Web

Time of First Successful Submission: 2026-01-10 05:10:48

Speaking Redirects

Time of First Successful Submission: 2026-01-10 05:15:55

JavaScript Redirects

Time of First Successful Submission: 2026-01-10 05:18:38

Including JavaScript

Time of First Successful Submission: 2026-01-10 05:19:54

HTTP (javascript)

Time of First Successful Submission: 2026-01-10 05:21:15

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-10 05:22:30

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-10 05:24:03

cat

Time of First Successful Submission: 2026-01-10 05:37:55

more

Time of First Successful Submission: 2026-01-10 05:38:17

less

Time of First Successful Submission: 2026-01-10 05:38:49

tail

Time of First Successful Submission: 2026-01-10 05:39:05

head

Time of First Successful Submission: 2026-01-10 05:39:21

sort

Time of First Successful Submission: 2026-01-10 05:39:44

vim

Time of First Successful Submission: 2026-01-10 05:40:02

emacs

Time of First Successful Submission: 2026-01-10 05:40:19

nano

Time of First Successful Submission: 2026-01-10 05:40:37

rev

Time of First Successful Submission: 2026-01-10 05:41:01

od

Time of First Successful Submission: 2026-01-10 05:42:44

hd

Time of First Successful Submission: 2026-01-10 05:43:52

xxd

Time of First Successful Submission: 2026-01-10 05:44:20

base32

Time of First Successful Submission: 2026-01-10 05:44:51

base64

Time of First Successful Submission: 2026-01-10 05:45:36

split

Time of First Successful Submission: 2026-01-10 05:46:16

gzip

Time of First Successful Submission: 2026-01-10 05:48:41

bzip2

Time of First Successful Submission: 2026-01-10 05:48:57

zip

Time of First Successful Submission: 2026-01-10 05:49:31

tar

Time of First Successful Submission: 2026-01-10 05:49:48

ar

Time of First Successful Submission: 2026-01-10 05:50:11

cpio

Time of First Successful Submission: 2026-01-10 05:51:08

genisoimage

Time of First Successful Submission: 2026-01-10 05:52:51

env

Time of First Successful Submission: 2026-01-10 05:53:29

find

Time of First Successful Submission: 2026-01-10 05:53:44

make

Time of First Successful Submission: 2026-01-10 05:55:11

nice

Time of First Successful Submission: 2026-01-10 05:55:28

timeout

Time of First Successful Submission: 2026-01-10 05:56:01

stdbuf

Time of First Successful Submission: 2026-01-10 05:56:25

setarch

Time of First Successful Submission: 2026-01-10 05:57:16

watch

Time of First Successful Submission: 2026-01-10 05:57:33

socat

Time of First Successful Submission: 2026-01-10 05:57:49

whiptail

Time of First Successful Submission: 2026-01-10 05:58:13

awk

Time of First Successful Submission: 2026-01-10 05:58:44

sed

Time of First Successful Submission: 2026-01-10 05:59:44

ed

Time of First Successful Submission: 2026-01-10 06:00:02

chown

Time of First Successful Submission: 2026-01-10 06:00:24

chmod

Time of First Successful Submission: 2026-01-10 06:00:48

cp

Time of First Successful Submission: 2026-01-10 06:01:55

mv

Time of First Successful Submission: 2026-01-10 06:04:53

perl

Time of First Successful Submission: 2026-01-10 06:05:23

python

Time of First Successful Submission: 2026-01-10 06:05:55

ruby

Time of First Successful Submission: 2026-01-10 06:06:46

bash

Time of First Successful Submission: 2026-01-10 06:07:01

date

Time of First Successful Submission: 2026-01-10 06:07:17

dmesg

Time of First Successful Submission: 2026-01-10 06:07:37

wc

Time of First Successful Submission: 2026-01-10 06:08:19

gcc

Time of First Successful Submission: 2026-01-10 06:09:50

as

Time of First Successful Submission: 2026-01-10 06:10:15

wget

Time of First Successful Submission: 2026-01-10 06:11:27

ssh-keygen

Time of First Successful Submission: 2026-01-10 06:14:45

SQL Queries

Time of First Successful Submission: 2026-01-10 06:16:05

Filtering SQL

Time of First Successful Submission: 2026-01-10 06:16:34

Choosing Columns

Time of First Successful Submission: 2026-01-10 06:17:09

Exclusionary Filtering

Time of First Successful Submission: 2026-01-10 06:17:37

Filtering Strings

Time of First Successful Submission: 2026-01-10 06:18:19

Filtering on Expressions

Time of First Successful Submission: 2026-01-10 06:18:47

SELECTing Expressions

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

Composite Conditions

Time of First Successful Submission: 2026-01-10 06:20:38

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-10 06:21:16

Querying Metadata

Time of First Successful Submission: 2026-01-10 06:22:16

CybHer Dojo

11 / 104 6442 / 37478

Using the Terminal

Time of First Successful Submission: 2026-01-04 06:07:42

Using the VSCode Workspace

Time of First Successful Submission: 2024-04-28 02:34:56

Using the GUI Desktop

Time of First Successful Submission: 2024-04-28 02:36:12

Pasting into the Desktop

Time of First Successful Submission: 2024-04-28 02:37:13

Restarting Challenges

Time of First Successful Submission: 2024-07-20 23:48:15

Getting Help

Time of First Successful Submission: 2024-07-20 23:50:11

Challenge Programs

Time of First Successful Submission: 2024-07-20 23:50:49

The Flag File

Time of First Successful Submission: 2024-04-28 02:38:05

Using Privileged Mode

Time of First Successful Submission: 2024-04-28 02:39:45

Persistent Home Directories - One

Time of First Successful Submission: 2024-04-28 02:42:15

Persistent Home Directories - Two

Time of First Successful Submission: 2024-04-28 02:42:54

DOS Dojo

9 / 9 17 / 32

cat.exe (type)

Time of First Successful Submission: 2026-01-04 06:13:03

ls.exe (dir)

Time of First Successful Submission: 2026-01-04 06:14:16

Changing Disks

Time of First Successful Submission: 2026-01-04 06:15:20

Reading Floppies

Time of First Successful Submission: 2026-01-04 06:16:54

Installing MS-DOS

Time of First Successful Submission: 2026-01-04 06:19:35

autoexec.bat

Time of First Successful Submission: 2026-01-04 06:21:35

doskey

Time of First Successful Submission: 2026-01-04 06:24:13

DOS Networking

Time of First Successful Submission: 2026-01-04 06:49:00

Unprotected Memory

Time of First Successful Submission: 2026-01-04 06:51:11

GCA CTF

11 / 104 6442 / 37478

Using the Terminal

Time of First Successful Submission: 2026-01-04 06:07:42

Using the VSCode Workspace

Time of First Successful Submission: 2024-04-28 02:34:56

Using the GUI Desktop

Time of First Successful Submission: 2024-04-28 02:36:12

Pasting into the Desktop

Time of First Successful Submission: 2024-04-28 02:37:13

Restarting Challenges

Time of First Successful Submission: 2024-07-20 23:48:15

Getting Help

Time of First Successful Submission: 2024-07-20 23:50:11

Challenge Programs

Time of First Successful Submission: 2024-07-20 23:50:49

The Flag File

Time of First Successful Submission: 2024-04-28 02:38:05

Using Privileged Mode

Time of First Successful Submission: 2024-04-28 02:39:45

Persistent Home Directories - One

Time of First Successful Submission: 2024-04-28 02:42:15

Persistent Home Directories - Two

Time of First Successful Submission: 2024-04-28 02:42:54