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HTTP (curl)

Time of First Successful Submission: 2024-09-01 04:52:19

HTTP (python)

Time of First Successful Submission: 2024-09-01 05:18:04

URL Encoding (curl)

Time of First Successful Submission: 2024-09-01 23:25:53

URL Encoding (python)

Time of First Successful Submission: 2024-09-01 23:31:52

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-09-01 23:42:33

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-09-01 23:45:30

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-09-02 00:24:27

Multiple Form Fields (python)

Time of First Successful Submission: 2024-09-02 01:43:06

HTTP JSON (curl)

Time of First Successful Submission: 2024-09-02 01:49:50

HTTP JSON (netcat)

Time of First Successful Submission: 2024-09-02 02:06:34

HTTP JSON (python)

Time of First Successful Submission: 2024-09-02 02:13:00

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-09-02 02:21:10

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-09-02 02:29:57

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-09-02 02:37:53

Server State (curl)

Time of First Successful Submission: 2024-09-02 03:44:41

Server State (netcat)

Time of First Successful Submission: 2024-09-02 03:52:27

Intro to Programming Languages

15 / 234 7411 / 28817

Commands

Time of First Successful Submission: 2024-08-28 09:07:58

Command Arguments

Time of First Successful Submission: 2024-08-28 09:09:36

Command History

Time of First Successful Submission: 2026-01-15 17:33:57

The Root Path

Time of First Successful Submission: 2024-08-28 09:15:29

Absolute Paths

Time of First Successful Submission: 2024-08-28 09:18:47

Changing position

Time of First Successful Submission: 2024-08-28 09:22:04

Changing to an Absolute Path

Time of First Successful Submission: 2024-08-28 09:24:56

Relative Paths

Time of First Successful Submission: 2024-08-28 17:06:22

Cat

Time of First Successful Submission: 2024-08-28 19:17:18

Ls

Time of First Successful Submission: 2024-08-28 19:40:15

Ls All

Time of First Successful Submission: 2024-08-28 20:16:04

Find

Time of First Successful Submission: 2024-08-28 21:04:33

Piping Echo

Time of First Successful Submission: 2024-08-29 03:35:55

Piping Stdout

Time of First Successful Submission: 2024-08-29 03:39:19

Piping Stdin

Time of First Successful Submission: 2024-08-29 04:28:54

Intro to Cybersecurity

94 / 183 2306 / 18187

Path Traversal 1

Time of First Successful Submission: 2024-09-12 15:32:59

Path Traversal 2

Time of First Successful Submission: 2024-09-12 16:21:58

CMDi 1

Time of First Successful Submission: 2024-09-12 19:51:02

CMDi 2

Time of First Successful Submission: 2024-09-12 21:55:42

CMDi 3

Time of First Successful Submission: 2024-09-12 22:46:01

CMDi 4

Time of First Successful Submission: 2024-09-12 23:18:34

CMDi 5

Time of First Successful Submission: 2024-09-12 23:38:21

CMDi 6

Time of First Successful Submission: 2024-09-13 01:17:23

Authentication Bypass 1

Time of First Successful Submission: 2024-09-13 22:13:31

Authentication Bypass 2

Time of First Successful Submission: 2024-09-13 23:48:17

SQLi 1

Time of First Successful Submission: 2024-09-14 00:22:10

SQLi 2

Time of First Successful Submission: 2024-09-14 00:55:25

SQLi 3

Time of First Successful Submission: 2024-09-14 01:25:38

SQLi 4

Time of First Successful Submission: 2024-09-14 01:39:03

SQLi 5

Time of First Successful Submission: 2024-09-15 22:37:46

XSS 1

Time of First Successful Submission: 2024-09-15 23:21:35

XSS 2

Time of First Successful Submission: 2024-09-16 00:12:18

XSS 3

Time of First Successful Submission: 2024-09-16 01:19:34

XSS 4

Time of First Successful Submission: 2024-09-16 01:40:59

XSS 5

Time of First Successful Submission: 2024-09-16 05:55:23

XSS 6

Time of First Successful Submission: 2024-09-16 07:56:45

XSS 7

Time of First Successful Submission: 2024-09-16 16:46:10

CSRF 1

Time of First Successful Submission: 2024-09-19 01:12:24

Connect

Time of First Successful Submission: 2024-09-21 02:12:20

Listen

Time of First Successful Submission: 2024-09-21 02:27:44

Scan 1

Time of First Successful Submission: 2024-09-21 03:36:03

Scan 2

Time of First Successful Submission: 2024-09-21 04:50:44

Monitor 1

Time of First Successful Submission: 2024-09-26 05:04:34

Monitor 2

Time of First Successful Submission: 2024-09-27 05:14:53

Network Configuration

Time of First Successful Submission: 2024-09-27 05:35:33

Ethernet

Time of First Successful Submission: 2024-09-28 00:08:25

IP

Time of First Successful Submission: 2024-09-28 01:23:20

TCP

Time of First Successful Submission: 2024-09-28 01:41:15

TCP Handshake

Time of First Successful Submission: 2024-09-28 03:48:18

ARP

Time of First Successful Submission: 2024-09-28 04:47:32

XOR

Time of First Successful Submission: 2024-10-06 16:20:52

XORing Hex

Time of First Successful Submission: 2024-10-06 16:50:05

XORing ASCII

Time of First Successful Submission: 2024-10-06 17:08:46

XORing ASCII Strings

Time of First Successful Submission: 2024-10-06 17:40:30

One-time Pad

Time of First Successful Submission: 2024-10-06 20:00:06

Many-time Pad

Time of First Successful Submission: 2024-10-14 02:01:42

AES

Time of First Successful Submission: 2024-10-14 07:00:04

AES-ECB-CPA

Time of First Successful Submission: 2024-10-17 01:12:01

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2024-10-17 04:46:19

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2024-10-17 08:30:13

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2024-10-17 19:48:11

AES-CBC

Time of First Successful Submission: 2024-10-18 01:59:38

DHKE

Time of First Successful Submission: 2024-10-18 03:31:34

RSA 1

Time of First Successful Submission: 2024-10-18 04:27:48

RSA 2

Time of First Successful Submission: 2024-10-18 04:43:05

level1

Time of First Successful Submission: 2024-10-18 19:35:53

level2

Time of First Successful Submission: 2024-10-18 19:37:07

level3

Time of First Successful Submission: 2024-10-18 19:38:30

level4

Time of First Successful Submission: 2024-10-18 19:40:24

level5

Time of First Successful Submission: 2024-10-18 19:51:46

level6

Time of First Successful Submission: 2024-10-18 20:07:46

level7

Time of First Successful Submission: 2024-10-18 20:10:59

level8

Time of First Successful Submission: 2024-10-18 20:33:21

level9

Time of First Successful Submission: 2024-10-18 20:36:05

level10

Time of First Successful Submission: 2024-10-18 20:39:34

level11

Time of First Successful Submission: 2024-10-18 20:55:21

level12

Time of First Successful Submission: 2024-10-18 21:42:25

level13

Time of First Successful Submission: 2024-10-19 14:47:43

level14

Time of First Successful Submission: 2024-10-19 14:51:40

level15

Time of First Successful Submission: 2024-10-19 14:52:49

level16

Time of First Successful Submission: 2024-10-19 15:39:49

level17

Time of First Successful Submission: 2024-10-20 19:06:15

level18

Time of First Successful Submission: 2024-10-20 19:08:58

level19

Time of First Successful Submission: 2024-10-20 19:31:47

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2024-11-10 06:26:53

Reading Endianness (x86)

Time of First Successful Submission: 2024-11-10 06:51:35

Version Information (x86)

Time of First Successful Submission: 2024-11-10 08:23:42

Metadata and Data (x86)

Time of First Successful Submission: 2024-11-10 14:13:56

Input Restrictions (x86)

Time of First Successful Submission: 2024-11-10 15:41:51

Behold the cIMG! (x86)

Time of First Successful Submission: 2024-11-10 16:09:02

A Basic cIMG (x86)

Time of First Successful Submission: 2024-11-16 02:42:30

Internal State (x86)

Time of First Successful Submission: 2024-11-16 12:22:29

File Formats: Directives (x86)

Time of First Successful Submission: 2024-11-16 21:02:50

The Patch Directive

Time of First Successful Submission: 2024-11-17 05:25:58

Tweaking Images

Time of First Successful Submission: 2024-11-17 07:25:45

Your First Overflow (easy)

Time of First Successful Submission: 2024-11-23 19:37:03

Your First Overflow (hard)

Time of First Successful Submission: 2024-11-23 19:38:53

Precision (easy)

Time of First Successful Submission: 2024-11-24 03:43:25

Precision (hard)

Time of First Successful Submission: 2024-11-24 03:45:06

Variable Control (easy)

Time of First Successful Submission: 2024-11-24 04:56:15

Variable Control (hard)

Time of First Successful Submission: 2024-11-24 12:03:42

Control Hijack (easy)

Time of First Successful Submission: 2024-11-24 15:26:51

Control Hijack (hard)

Time of First Successful Submission: 2024-11-27 19:48:38

Tricky Control Hijack (easy)

Time of First Successful Submission: 2024-11-27 20:30:16

Tricky Control Hijack (hard)

Time of First Successful Submission: 2024-11-27 20:57:59

PIEs (easy)

Time of First Successful Submission: 2024-11-27 23:11:56

PIEs (hard)

Time of First Successful Submission: 2024-11-27 23:40:32

String Lengths (easy)

Time of First Successful Submission: 2024-11-30 20:35:07

String Lengths (hard)

Time of First Successful Submission: 2024-11-30 21:55:50

Start Here

10 / 12 17690 / 39047

Using the Terminal

Time of First Successful Submission: 2026-01-20 01:49:23

Using the VSCode Workspace

Time of First Successful Submission: 2024-08-28 07:38:07

Using the GUI Desktop

Time of First Successful Submission: 2024-08-28 07:47:17

Pasting into the Desktop

Time of First Successful Submission: 2024-08-28 07:53:31

Restarting Challenges

Time of First Successful Submission: 2024-08-28 07:56:02

Challenge Programs

Time of First Successful Submission: 2024-08-28 08:17:03

The Flag File

Time of First Successful Submission: 2024-08-28 08:22:48

Using Privileged Mode

Time of First Successful Submission: 2024-08-28 08:30:09

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-28 08:35:38

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-28 08:36:49

Linux Luminarium

128 / 128 1560 / 27

Computing 101

69 / 69 1471 / 19677

Your First Register

Time of First Successful Submission: 2024-10-23 20:16:14

Your First Syscall

Time of First Successful Submission: 2024-10-23 20:25:33

Exit Codes

Time of First Successful Submission: 2024-10-23 20:40:36

Building Executables

Time of First Successful Submission: 2024-10-24 02:49:20

Moving Between Registers

Time of First Successful Submission: 2024-10-24 05:23:47

Tracing Syscalls

Time of First Successful Submission: 2024-10-24 05:12:15

Starting GDB

Time of First Successful Submission: 2026-01-21 21:00:13

Starting Programs in GDB

Time of First Successful Submission: 2026-01-21 21:06:25

Loading From Memory

Time of First Successful Submission: 2024-10-26 22:52:10

More Loading Practice

Time of First Successful Submission: 2024-10-26 22:54:18

Dereferencing Pointers

Time of First Successful Submission: 2024-10-26 22:58:24

Dereferencing Yourself

Time of First Successful Submission: 2024-10-26 23:00:33

Dereferencing with Offsets

Time of First Successful Submission: 2024-10-26 23:06:48

Stored Addresses

Time of First Successful Submission: 2024-10-26 23:11:10

Double Dereference

Time of First Successful Submission: 2024-10-26 23:38:53

Triple Dereference

Time of First Successful Submission: 2024-10-26 23:45:32

Writing Output

Time of First Successful Submission: 2024-10-27 13:07:07

Chaining Syscalls

Time of First Successful Submission: 2024-10-27 13:12:36

Writing Strings

Time of First Successful Submission: 2024-10-27 13:15:00

Reading Data

Time of First Successful Submission: 2026-01-22 02:10:09

set-register

Time of First Successful Submission: 2024-10-27 14:59:32

set-multiple-registers

Time of First Successful Submission: 2024-10-27 15:14:34

add-to-register

Time of First Successful Submission: 2024-10-28 04:02:49

linear-equation-registers

Time of First Successful Submission: 2024-10-28 04:10:38

integer-division

Time of First Successful Submission: 2024-10-31 16:28:38

modulo-operation

Time of First Successful Submission: 2024-10-31 16:36:10

set-upper-byte

Time of First Successful Submission: 2024-10-31 17:24:14

efficient-modulo

Time of First Successful Submission: 2024-10-31 22:08:54

byte-extraction

Time of First Successful Submission: 2024-10-31 22:29:08

bitwise-and

Time of First Successful Submission: 2024-10-31 22:40:00

check-even

Time of First Successful Submission: 2024-10-31 23:01:23

memory-read

Time of First Successful Submission: 2024-10-31 23:06:38

memory-write

Time of First Successful Submission: 2024-10-31 23:10:35

memory-increment

Time of First Successful Submission: 2024-10-31 23:25:12

byte-access

Time of First Successful Submission: 2024-10-31 23:30:39

memory-size-access

Time of First Successful Submission: 2024-10-31 23:37:27

little-endian-write

Time of First Successful Submission: 2024-11-01 00:16:07

memory-sum

Time of First Successful Submission: 2024-11-01 01:01:48

stack-subtraction

Time of First Successful Submission: 2024-11-01 01:12:09

swap-stack-values

Time of First Successful Submission: 2024-11-01 01:20:42

average-stack-values

Time of First Successful Submission: 2024-11-01 01:49:29

absolute-jump

Time of First Successful Submission: 2024-11-01 02:46:47

relative-jump

Time of First Successful Submission: 2024-11-01 03:17:55

jump-trampoline

Time of First Successful Submission: 2024-11-01 03:38:15

conditional-jump

Time of First Successful Submission: 2024-11-01 05:55:59

indirect-jump

Time of First Successful Submission: 2024-11-02 17:05:39

average-loop

Time of First Successful Submission: 2024-11-02 18:50:07

count-non-zero

Time of First Successful Submission: 2024-11-02 20:23:09

string-lower

Time of First Successful Submission: 2026-01-23 04:14:36

most-common-byte

Time of First Successful Submission: 2026-01-24 01:18:41

Debugging Programs

Time of First Successful Submission: 2024-11-03 17:16:24

Inspecting Registers

Time of First Successful Submission: 2024-11-03 17:22:01

Examining Memory

Time of First Successful Submission: 2024-11-03 17:54:10

Setting Breakpoints

Time of First Successful Submission: 2026-01-27 07:38:59

GDB Scripting

Time of First Successful Submission: 2026-01-27 08:52:23

Modifying Data

Time of First Successful Submission: 2026-01-28 23:29:17

Modifying Execution

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

Broken Functions

Time of First Successful Submission: 2026-01-29 01:33:43

Exit

Time of First Successful Submission: 2026-01-29 03:34:23

Socket

Time of First Successful Submission: 2026-01-30 15:57:28

Bind

Time of First Successful Submission: 2026-01-30 17:02:26

Listen

Time of First Successful Submission: 2026-01-30 17:21:35

Accept

Time of First Successful Submission: 2026-01-30 17:27:48

Static Response

Time of First Successful Submission: 2026-01-30 18:23:58

Dynamic Response

Time of First Successful Submission: 2026-01-30 20:51:27

Iterative GET Server

Time of First Successful Submission: 2026-01-30 21:30:27

Concurrent GET Server

Time of First Successful Submission: 2026-01-30 22:21:05

Concurrent POST Server

Time of First Successful Submission: 2026-01-31 00:52:18

Web Server

Time of First Successful Submission: 2026-01-31 03:07:44

Playing With Programs

42 / 116 7930 / 22535

What's the password?

Time of First Successful Submission: 2026-01-31 04:29:44

... and again!

Time of First Successful Submission: 2026-01-31 04:30:42

Newline Troubles

Time of First Successful Submission: 2026-01-31 04:38:23

Reasoning about files

Time of First Successful Submission: 2026-01-31 04:42:18

Specifying Filenames

Time of First Successful Submission: 2026-01-31 04:46:30

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-31 04:51:50

More Hex

Time of First Successful Submission: 2026-01-31 04:53:06

Decoding Hex

Time of First Successful Submission: 2026-01-31 05:23:32

Decoding Practice

Time of First Successful Submission: 2026-01-31 05:41:32

Encoding Practice

Time of First Successful Submission: 2026-01-31 06:13:47

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-31 06:40:39

Nested Encoding

Time of First Successful Submission: 2026-01-31 07:00:25

Hex-encoding UTF-8

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

UTF Mixups

Time of First Successful Submission: 2026-01-31 07:20:43

Modifying Encoded Data

Time of First Successful Submission: 2026-01-31 07:45:06

Decoding Base64

Time of First Successful Submission: 2024-10-06 18:46:09

Encoding Base64

Time of First Successful Submission: 2026-01-31 08:10:35

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-31 08:22:27

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-31 09:02:45

HTTP (netcat)

Time of First Successful Submission: 2024-09-01 05:12:24

HTTP Paths (netcat)

Time of First Successful Submission: 2024-09-01 06:07:43

HTTP (curl)

Time of First Successful Submission: 2024-09-01 06:01:51

HTTP (python)

Time of First Successful Submission: 2024-09-01 06:11:31

HTTP Host Header (python)

Time of First Successful Submission: 2024-09-01 06:00:39

HTTP Host Header (curl)

Time of First Successful Submission: 2024-09-01 05:46:02

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-09-01 05:50:04

URL Encoding (netcat)

Time of First Successful Submission: 2024-09-01 23:34:03

HTTP GET Parameters

Time of First Successful Submission: 2024-09-01 23:38:20

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-09-02 00:14:04

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-09-02 00:07:42

HTTP Forms (curl)

Time of First Successful Submission: 2024-09-02 00:32:55

HTTP Forms (netcat)

Time of First Successful Submission: 2024-09-02 01:15:23

HTTP Forms (python)

Time of First Successful Submission: 2024-09-02 01:23:18

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-09-02 01:28:05

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-09-02 01:39:23

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-09-02 03:16:29

HTTP Redirects (curl)

Time of First Successful Submission: 2024-09-02 02:58:50

HTTP Redirects (python)

Time of First Successful Submission: 2024-09-02 03:18:59

HTTP Cookies (curl)

Time of First Successful Submission: 2024-09-02 03:28:40

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-09-02 03:36:00

HTTP Cookies (python)

Time of First Successful Submission: 2024-09-02 03:38:29

Server State (python)

Time of First Successful Submission: 2024-09-02 03:54:00

CybHer Dojo

10 / 104 17782 / 39265

Using the Terminal

Time of First Successful Submission: 2026-01-20 01:49:23

Using the VSCode Workspace

Time of First Successful Submission: 2024-08-28 07:38:07

Using the GUI Desktop

Time of First Successful Submission: 2024-08-28 07:47:17

Pasting into the Desktop

Time of First Successful Submission: 2024-08-28 07:53:31

Restarting Challenges

Time of First Successful Submission: 2024-08-28 07:56:02

Challenge Programs

Time of First Successful Submission: 2024-08-28 08:17:03

The Flag File

Time of First Successful Submission: 2024-08-28 08:22:48

Using Privileged Mode

Time of First Successful Submission: 2024-08-28 08:30:09

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-28 08:35:38

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-28 08:36:49

Example Dojo

128 / 3 1560 / 27

GCA CTF

10 / 104 17782 / 39265

Using the Terminal

Time of First Successful Submission: 2026-01-20 01:49:23

Using the VSCode Workspace

Time of First Successful Submission: 2024-08-28 07:38:07

Using the GUI Desktop

Time of First Successful Submission: 2024-08-28 07:47:17

Pasting into the Desktop

Time of First Successful Submission: 2024-08-28 07:53:31

Restarting Challenges

Time of First Successful Submission: 2024-08-28 07:56:02

Challenge Programs

Time of First Successful Submission: 2024-08-28 08:17:03

The Flag File

Time of First Successful Submission: 2024-08-28 08:22:48

Using Privileged Mode

Time of First Successful Submission: 2024-08-28 08:30:09

Persistent Home Directories - One

Time of First Successful Submission: 2024-08-28 08:35:38

Persistent Home Directories - Two

Time of First Successful Submission: 2024-08-28 08:36:49