ZeroByte

💻

Yemen

Intro to Cybersecurity

136 / 183 1013 / 20354

Path Traversal 1

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

Path Traversal 2

Time of First Successful Submission: 2026-03-25 03:27:11

CMDi 1

Time of First Successful Submission: 2026-03-25 05:41:14

CMDi 2

Time of First Successful Submission: 2026-03-25 05:43:48

CMDi 3

Time of First Successful Submission: 2026-03-25 05:51:02

CMDi 4

Time of First Successful Submission: 2026-03-25 05:54:02

CMDi 5

Time of First Successful Submission: 2026-03-25 06:13:41

CMDi 6

Time of First Successful Submission: 2026-03-25 06:21:40

Authentication Bypass 1

Time of First Successful Submission: 2026-03-25 06:28:57

Authentication Bypass 2

Time of First Successful Submission: 2026-03-25 06:38:10

SQLi 1

Time of First Successful Submission: 2026-03-25 07:18:51

SQLi 2

Time of First Successful Submission: 2026-03-25 07:21:23

SQLi 3

Time of First Successful Submission: 2026-03-25 07:30:25

SQLi 4

Time of First Successful Submission: 2026-03-25 07:39:00

SQLi 5

Time of First Successful Submission: 2026-03-25 07:58:51

XSS 1

Time of First Successful Submission: 2026-03-25 12:41:48

XSS 2

Time of First Successful Submission: 2026-03-26 04:05:30

XSS 3

Time of First Successful Submission: 2026-03-26 04:10:10

XSS 4

Time of First Successful Submission: 2026-03-26 04:14:05

XSS 5

Time of First Successful Submission: 2026-03-26 05:07:54

XSS 6

Time of First Successful Submission: 2026-03-26 05:18:17

XSS 7

Time of First Successful Submission: 2026-03-26 07:04:42

CSRF 1

Time of First Successful Submission: 2026-03-28 05:14:23

CSRF 2

Time of First Successful Submission: 2026-03-28 05:28:44

CSRF 3

Time of First Successful Submission: 2026-03-28 05:35:52

CSRF 4

Time of First Successful Submission: 2026-03-28 05:42:20

CSRF 5

Time of First Successful Submission: 2026-03-28 05:58:52

Connect

Time of First Successful Submission: 2026-04-01 05:39:09

Send

Time of First Successful Submission: 2026-04-01 05:41:14

Shutdown

Time of First Successful Submission: 2026-04-01 06:03:17

Listen

Time of First Successful Submission: 2026-04-01 06:07:10

Scan 1

Time of First Successful Submission: 2026-04-01 07:00:39

Scan 2

Time of First Successful Submission: 2026-04-01 07:23:11

Monitor 1

Time of First Successful Submission: 2026-04-01 07:31:15

Monitor 2

Time of First Successful Submission: 2026-04-01 07:53:27

Sniffing Cookies

Time of First Successful Submission: 2026-04-01 12:23:10

Network Configuration

Time of First Successful Submission: 2026-04-05 05:27:19

Firewall 1

Time of First Successful Submission: 2026-04-05 06:48:20

Firewall 2

Time of First Successful Submission: 2026-04-05 06:50:59

Firewall 3

Time of First Successful Submission: 2026-04-05 06:59:16

Denial of Service 1

Time of First Successful Submission: 2026-04-06 03:31:30

Denial of Service 2

Time of First Successful Submission: 2026-04-06 05:41:36

Denial of Service 3

Time of First Successful Submission: 2026-04-06 05:54:33

Ethernet

Time of First Successful Submission: 2026-04-07 05:20:52

IP

Time of First Successful Submission: 2026-04-07 05:32:16

TCP

Time of First Successful Submission: 2026-04-07 05:35:07

TCP Handshake

Time of First Successful Submission: 2026-04-07 06:47:13

UDP

Time of First Successful Submission: 2026-04-07 06:51:13

UDP 2

Time of First Successful Submission: 2026-04-07 06:54:29

UDP Spoofing 1

Time of First Successful Submission: 2026-04-07 06:58:38

UDP Spoofing 2

Time of First Successful Submission: 2026-04-07 08:30:57

UDP Spoofing 3

Time of First Successful Submission: 2026-04-07 09:13:31

UDP Spoofing 4

Time of First Successful Submission: 2026-04-07 09:22:42

ARP

Time of First Successful Submission: 2026-04-07 10:04:53

Intercept

Time of First Successful Submission: 2026-04-08 06:04:42

XOR

Time of First Successful Submission: 2026-04-08 14:04:27

XORing Hex

Time of First Successful Submission: 2026-04-08 14:28:31

XORing ASCII

Time of First Successful Submission: 2026-04-09 04:14:26

XORing ASCII Strings

Time of First Successful Submission: 2026-04-09 04:30:24

One-time Pad

Time of First Successful Submission: 2026-04-09 04:41:24

One-time Pad Tampering

Time of First Successful Submission: 2026-04-09 05:44:28

Many-time Pad

Time of First Successful Submission: 2026-04-09 08:52:55

AES

Time of First Successful Submission: 2026-04-09 09:07:38

AES-ECB-CPA

Time of First Successful Submission: 2026-04-10 04:34:56

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-10 05:05:41

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-10 05:10:02

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-10 05:17:04

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-10 05:42:34

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-11 03:50:07

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-11 03:54:53

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-11 05:53:11

AES-CBC

Time of First Successful Submission: 2026-04-12 05:46:41

AES-CBC Tampering

Time of First Successful Submission: 2026-04-12 05:59:57

AES-CBC Resizing

Time of First Successful Submission: 2026-04-12 06:04:44

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-12 06:56:01

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-12 10:14:34

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-12 12:49:25

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-12 13:08:07

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-12 13:19:58

DHKE

Time of First Successful Submission: 2026-04-13 11:10:15

DHKE-to-AES

Time of First Successful Submission: 2026-04-14 04:59:55

RSA 1

Time of First Successful Submission: 2026-04-14 05:39:44

RSA 2

Time of First Successful Submission: 2026-04-14 05:43:58

RSA 3

Time of First Successful Submission: 2026-04-14 05:47:14

RSA 4

Time of First Successful Submission: 2026-04-14 05:54:20

RSA Signatures

Time of First Successful Submission: 2026-04-14 07:36:34

SHA 1

Time of First Successful Submission: 2026-04-15 07:51:55

SHA 2

Time of First Successful Submission: 2026-04-14 14:55:02

TLS 1

Time of First Successful Submission: 2026-04-15 08:16:59

TLS 2

Time of First Successful Submission: 2026-04-15 08:49:34

level1

Time of First Successful Submission: 2026-04-17 02:19:52

level2

Time of First Successful Submission: 2026-04-17 03:17:34

level3

Time of First Successful Submission: 2026-04-17 03:20:07

level4

Time of First Successful Submission: 2026-04-17 03:22:33

level5

Time of First Successful Submission: 2026-04-17 03:39:40

level6

Time of First Successful Submission: 2026-04-17 03:42:53

level7

Time of First Successful Submission: 2026-04-17 03:45:28

level8

Time of First Successful Submission: 2026-04-17 03:46:16

level9

Time of First Successful Submission: 2026-04-17 03:47:44

level10

Time of First Successful Submission: 2026-04-17 03:53:08

level11

Time of First Successful Submission: 2026-04-17 03:57:57

level12

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

level13

Time of First Successful Submission: 2026-04-17 04:01:58

level14

Time of First Successful Submission: 2026-04-17 04:03:01

level15

Time of First Successful Submission: 2026-04-17 04:03:42

level16

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

level17

Time of First Successful Submission: 2026-04-17 04:21:31

level18

Time of First Successful Submission: 2026-04-17 04:22:23

level19

Time of First Successful Submission: 2026-04-17 04:25:45

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-18 06:28:56

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-18 06:35:36

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-18 07:05:11

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-18 07:16:26

Reading Endianness (C)

Time of First Successful Submission: 2026-04-18 07:23:31

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-18 07:28:59

Version Information (Python)

Time of First Successful Submission: 2026-04-18 08:51:56

Version Information (C)

Time of First Successful Submission: 2026-04-18 08:58:27

Version Information (x86)

Time of First Successful Submission: 2026-04-18 09:14:33

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-18 11:17:06

Metadata and Data (C)

Time of First Successful Submission: 2026-04-18 11:15:15

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-18 12:00:39

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-19 10:08:32

Input Restrictions (C)

Time of First Successful Submission: 2026-04-19 10:22:35

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-19 11:05:47

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-19 11:49:59

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-19 11:56:18

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-19 12:01:46

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-20 06:50:52

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-20 06:58:41

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-20 07:05:06

Internal State Mini (C)

Time of First Successful Submission: 2026-04-21 06:26:38

Internal State Mini (x86)

Time of First Successful Submission: 2026-04-22 04:36:16

Internal State (C)

Time of First Successful Submission: 2026-04-23 05:13:23

Internal State (x86)

Time of First Successful Submission: 2026-04-23 05:31:29

File Formats: Directives (C)

Time of First Successful Submission: 2026-04-23 06:03:35

File Formats: Directives (x86)

Time of First Successful Submission: 2026-04-23 06:06:44

Program Security

24 / 162 2695 / 9713

Terrible Token (Easy)

Time of First Successful Submission: 2026-01-06 06:43:47

Terrible Token (Hard)

Time of First Successful Submission: 2026-01-07 07:15:05

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-01-07 07:23:30

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-01-07 07:59:25

Bit Bender

Time of First Successful Submission: 2026-01-08 05:42:08

Substitution Sorcery

Time of First Successful Submission: 2026-01-08 07:54:16

Meager Mangler (Easy)

Time of First Successful Submission: 2026-01-08 10:22:37

Meager Mangler (Hard)

Time of First Successful Submission: 2026-01-09 04:29:52

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-01-11 05:47:02

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-01-11 08:16:59

Patched Up (Easy)

Time of First Successful Submission: 2026-01-13 11:29:41

Patched Up (Hard)

Time of First Successful Submission: 2026-01-13 11:36:54

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-01-13 11:49:37

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-01-13 11:58:09

Patch Perfect (Easy)

Time of First Successful Submission: 2026-01-15 09:13:01

Patch Perfect (Hard)

Time of First Successful Submission: 2026-01-18 12:33:15

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-01-28 15:38:55

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-02-01 08:51:09

Know the Yancode (Easy)

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

Know the Yancode (Hard)

Time of First Successful Submission: 2026-02-01 09:16:56

Master the Yancode (Easy)

Time of First Successful Submission: 2026-02-01 09:32:50

Master the Yancode (Hard)

Time of First Successful Submission: 2026-02-01 10:39:11

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-02-01 11:10:48

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-02-02 09:08:00

Start Here

12 / 12 1364 / 44302

Using the Terminal

Time of First Successful Submission: 2026-02-22 11:11:55

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-22 11:14:22

Using the GUI Desktop

Time of First Successful Submission: 2026-02-22 11:17:37

Pasting into the Desktop

Time of First Successful Submission: 2026-02-22 11:23:25

Restarting Challenges

Time of First Successful Submission: 2026-02-22 11:29:19

Challenge Programs

Time of First Successful Submission: 2026-02-22 11:32:53

The Flag File

Time of First Successful Submission: 2026-02-22 11:35:27

Using Privileged Mode

Time of First Successful Submission: 2026-02-22 11:42:59

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-22 11:48:25

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-22 11:48:57

Linux Luminarium

7 / 128 26811 / 33162

Learning From Documentation

Time of First Successful Submission: 2026-03-16 16:05:18

Learning Complex Usage

Time of First Successful Submission: 2026-03-16 16:08:11

Reading Manuals

Time of First Successful Submission: 2026-03-16 16:15:35

Searching Manuals

Time of First Successful Submission: 2026-03-16 16:17:58

Searching For Manuals

Time of First Successful Submission: 2026-03-17 03:50:47

Helpful Programs

Time of First Successful Submission: 2026-03-17 03:56:29

Help for Builtins

Time of First Successful Submission: 2026-03-17 04:00:35

Computing 101

94 / 94 238 / 21987

Your First Register

Time of First Successful Submission: 2026-02-22 13:45:27

Your First Syscall

Time of First Successful Submission: 2026-02-22 13:49:04

Exit Codes

Time of First Successful Submission: 2026-02-22 13:55:03

Building Executables

Time of First Successful Submission: 2026-02-22 23:15:42

Moving Between Registers

Time of First Successful Submission: 2026-02-22 23:19:20

Loading From Memory

Time of First Successful Submission: 2026-02-23 11:13:33

More Loading Practice

Time of First Successful Submission: 2026-02-23 11:17:20

Dereferencing Pointers

Time of First Successful Submission: 2026-02-23 11:28:53

Dereferencing Yourself

Time of First Successful Submission: 2026-02-23 11:36:22

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-23 11:41:37

Stored Addresses

Time of First Successful Submission: 2026-02-23 11:47:33

Double Dereference

Time of First Successful Submission: 2026-02-23 11:54:14

The Stack

Time of First Successful Submission: 2026-02-23 12:30:35

Stack Offsets

Time of First Successful Submission: 2026-02-23 12:32:57

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-23 12:36:38

Popping From the Stack

Time of First Successful Submission: 2026-02-23 12:39:50

Disassembling Programs

Time of First Successful Submission: 2026-02-23 18:32:57

Tracing Syscalls

Time of First Successful Submission: 2026-02-23 18:44:44

Starting GDB

Time of First Successful Submission: 2026-02-23 18:48:33

Quitting GDB

Time of First Successful Submission: 2026-02-23 18:49:36

Starting Programs in GDB

Time of First Successful Submission: 2026-02-23 18:58:49

Disassembling in GDB

Time of First Successful Submission: 2026-02-23 19:00:37

Stepping Through Instructions

Time of First Successful Submission: 2026-02-23 19:04:42

Reading Register Values

Time of First Successful Submission: 2026-02-23 19:08:18

Popping Stack Values

Time of First Successful Submission: 2026-02-23 19:12:38

Examining Memory

Time of First Successful Submission: 2026-02-23 20:12:11

Examining Stack Pointers

Time of First Successful Submission: 2026-02-23 20:24:40

Cooperative Debugging

Time of First Successful Submission: 2026-02-23 20:39:30

Writing Output

Time of First Successful Submission: 2026-02-24 11:14:25

Chaining Syscalls

Time of First Successful Submission: 2026-02-24 11:16:26

Writing Strings

Time of First Successful Submission: 2026-02-24 11:18:45

Reading Data

Time of First Successful Submission: 2026-02-24 11:28:50

Opening Files

Time of First Successful Submission: 2026-02-24 11:40:59

Hardcoding the Filename

Time of First Successful Submission: 2026-02-24 11:45:13

Comparing Values

Time of First Successful Submission: 2026-02-24 12:19:16

Comparing Characters

Time of First Successful Submission: 2026-02-26 11:18:12

Conditional Control Flow

Time of First Successful Submission: 2026-02-26 11:27:16

Comparing Strings

Time of First Successful Submission: 2026-02-26 11:31:34

Reverse the Password

Time of First Successful Submission: 2026-02-26 11:38:01

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-27 11:05:42

Looping

Time of First Successful Submission: 2026-02-27 11:16:18

Reverse the Calculation

Time of First Successful Submission: 2026-02-27 11:34:40

Reverse the Reverse

Time of First Successful Submission: 2026-02-27 11:37:13

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-27 11:41:03

Loops on Data

Time of First Successful Submission: 2026-02-27 11:44:39

set-register

Time of First Successful Submission: 2026-02-27 12:22:01

set-multiple-registers

Time of First Successful Submission: 2026-02-27 12:32:58

add-to-register

Time of First Successful Submission: 2026-02-27 12:36:18

linear-equation-registers

Time of First Successful Submission: 2026-02-27 12:41:49

integer-division

Time of First Successful Submission: 2026-02-27 19:01:09

modulo-operation

Time of First Successful Submission: 2026-02-27 19:09:58

set-upper-byte

Time of First Successful Submission: 2026-02-27 19:15:48

efficient-modulo

Time of First Successful Submission: 2026-03-01 11:14:35

byte-extraction

Time of First Successful Submission: 2026-03-01 11:33:49

bitwise-and

Time of First Successful Submission: 2026-03-02 10:59:34

check-even

Time of First Successful Submission: 2026-03-02 11:16:06

memory-read

Time of First Successful Submission: 2026-03-02 11:36:53

memory-write

Time of First Successful Submission: 2026-03-02 11:38:25

memory-increment

Time of First Successful Submission: 2026-03-02 11:47:26

byte-access

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

memory-size-access

Time of First Successful Submission: 2026-03-02 12:41:25

little-endian-write

Time of First Successful Submission: 2026-03-02 20:49:56

memory-sum

Time of First Successful Submission: 2026-03-02 21:38:22

stack-subtraction

Time of First Successful Submission: 2026-03-03 10:26:37

swap-stack-values

Time of First Successful Submission: 2026-03-03 10:30:26

average-stack-values

Time of First Successful Submission: 2026-03-03 10:40:05

absolute-jump

Time of First Successful Submission: 2026-03-03 10:45:55

relative-jump

Time of First Successful Submission: 2026-03-03 11:08:38

jump-trampoline

Time of First Successful Submission: 2026-03-03 11:33:17

conditional-jump

Time of First Successful Submission: 2026-03-03 23:07:36

indirect-jump

Time of First Successful Submission: 2026-03-04 10:14:14

average-loop

Time of First Successful Submission: 2026-03-04 10:29:14

count-non-zero

Time of First Successful Submission: 2026-03-04 11:33:45

string-lower

Time of First Successful Submission: 2026-03-04 22:44:00

most-common-byte

Time of First Successful Submission: 2026-03-05 11:34:15

Exit

Time of First Successful Submission: 2026-03-06 19:51:52

Socket

Time of First Successful Submission: 2026-03-06 20:05:57

Bind

Time of First Successful Submission: 2026-03-07 11:24:53

Listen

Time of First Successful Submission: 2026-03-07 11:32:35

Accept

Time of First Successful Submission: 2026-03-07 11:35:29

Static Response

Time of First Successful Submission: 2026-03-07 11:42:10

Dynamic Response

Time of First Successful Submission: 2026-03-07 11:46:20

Iterative GET Server

Time of First Successful Submission: 2026-03-07 11:50:03

Concurrent GET Server

Time of First Successful Submission: 2026-03-07 11:51:16

Concurrent POST Server

Time of First Successful Submission: 2026-03-07 11:55:27

Web Server

Time of First Successful Submission: 2026-03-07 11:57:32

Debugging Programs

Time of First Successful Submission: 2026-02-04 11:38:33

Inspecting Registers

Time of First Successful Submission: 2026-02-04 11:44:32

Examining Memory

Time of First Successful Submission: 2026-02-11 14:42:16

Setting Breakpoints

Time of First Successful Submission: 2026-03-08 11:12:48

GDB Scripting

Time of First Successful Submission: 2026-03-08 18:11:05

Modifying Data

Time of First Successful Submission: 2026-03-09 11:07:14

Modifying Execution

Time of First Successful Submission: 2026-03-09 11:25:38

Broken Functions

Time of First Successful Submission: 2026-03-09 11:48:21

Playing With Programs

67 / 116 3415 / 23580

What's the password?

Time of First Successful Submission: 2026-03-09 16:10:36

... and again!

Time of First Successful Submission: 2026-03-09 16:11:13

Newline Troubles

Time of First Successful Submission: 2026-03-09 16:20:55

Reasoning about files

Time of First Successful Submission: 2026-03-09 17:09:20

Specifying Filenames

Time of First Successful Submission: 2026-03-09 17:12:21

Binary and Hex Encoding

Time of First Successful Submission: 2026-03-09 19:49:45

More Hex

Time of First Successful Submission: 2026-03-09 19:52:44

Decoding Hex

Time of First Successful Submission: 2026-03-09 20:00:03

Decoding Practice

Time of First Successful Submission: 2026-03-09 20:06:02

Encoding Practice

Time of First Successful Submission: 2026-03-09 20:11:06

Hex-encoding ASCII

Time of First Successful Submission: 2026-03-09 21:28:56

Nested Encoding

Time of First Successful Submission: 2026-03-09 21:59:18

Hex-encoding UTF-8

Time of First Successful Submission: 2026-03-10 12:17:24

UTF Mixups

Time of First Successful Submission: 2026-03-10 12:37:14

Modifying Encoded Data

Time of First Successful Submission: 2026-03-11 19:48:41

Decoding Base64

Time of First Successful Submission: 2026-03-11 20:11:31

Encoding Base64

Time of First Successful Submission: 2026-03-11 20:14:25

Dealing with Obfuscation

Time of First Successful Submission: 2026-03-11 20:20:28

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-03-11 20:44:08

Your First HTTP Request

Time of First Successful Submission: 2026-03-16 11:38:48

Reading Flask

Time of First Successful Submission: 2026-03-17 13:59:42

Commented Data

Time of First Successful Submission: 2026-03-17 17:19:02

HTTP Metadata

Time of First Successful Submission: 2026-03-17 17:50:31

HTTP (netcat)

Time of First Successful Submission: 2026-03-17 21:49:09

HTTP Paths (netcat)

Time of First Successful Submission: 2026-03-17 21:52:21

HTTP (curl)

Time of First Successful Submission: 2026-03-17 22:06:33

HTTP (python)

Time of First Successful Submission: 2026-03-18 18:25:28

HTTP Host Header (python)

Time of First Successful Submission: 2026-03-20 07:32:23

HTTP Host Header (curl)

Time of First Successful Submission: 2026-03-20 08:11:00

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-03-21 04:17:22

URL Encoding (netcat)

Time of First Successful Submission: 2026-03-21 04:25:02

HTTP GET Parameters

Time of First Successful Submission: 2026-03-21 04:30:42

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-03-21 04:40:02

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-03-21 04:42:38

HTTP Forms

Time of First Successful Submission: 2026-03-21 04:45:03

HTTP Forms (curl)

Time of First Successful Submission: 2026-03-21 04:47:39

HTTP Forms (netcat)

Time of First Successful Submission: 2026-03-21 04:52:54

HTTP Forms (python)

Time of First Successful Submission: 2026-03-21 04:56:29

HTTP Forms Without Forms

Time of First Successful Submission: 2026-03-21 05:03:36

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-03-21 05:11:17

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-03-21 05:15:28

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-03-21 05:21:48

HTTP Redirects (curl)

Time of First Successful Submission: 2026-03-21 05:23:00

HTTP Redirects (python)

Time of First Successful Submission: 2026-03-21 05:25:02

HTTP Cookies (curl)

Time of First Successful Submission: 2026-03-21 05:29:59

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-03-21 05:34:58

HTTP Cookies (python)

Time of First Successful Submission: 2026-03-21 05:42:00

Server State (python)

Time of First Successful Submission: 2026-03-21 06:08:51

Listening Web

Time of First Successful Submission: 2026-03-21 06:14:34

Speaking Redirects

Time of First Successful Submission: 2026-03-21 06:22:05

JavaScript Redirects

Time of First Successful Submission: 2026-03-21 09:54:13

Including JavaScript

Time of First Successful Submission: 2026-03-21 10:00:17

HTTP (javascript)

Time of First Successful Submission: 2026-03-21 10:09:11

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-03-21 10:11:18

HTTP Forms (javascript)

Time of First Successful Submission: 2026-03-21 10:13:44

cat

Time of First Successful Submission: 2026-03-22 06:35:45

more

Time of First Successful Submission: 2026-03-22 06:38:27

less

Time of First Successful Submission: 2026-03-22 06:39:57

tail

Time of First Successful Submission: 2026-03-22 06:40:26

head

Time of First Successful Submission: 2026-03-22 06:40:48

sort

Time of First Successful Submission: 2026-03-22 06:41:12

vim

Time of First Successful Submission: 2026-03-22 06:41:48

emacs

Time of First Successful Submission: 2026-03-22 06:42:16

rev

Time of First Successful Submission: 2026-03-22 06:44:38

od

Time of First Successful Submission: 2026-03-22 06:52:55

hd

Time of First Successful Submission: 2026-03-22 06:54:48

xxd

Time of First Successful Submission: 2026-03-22 06:56:13

GCA CTF

13 / 104 324 / 44582

Using the Terminal

Time of First Successful Submission: 2026-02-22 11:11:55

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-22 11:14:22

Using the GUI Desktop

Time of First Successful Submission: 2026-02-22 11:17:37

Pasting into the Desktop

Time of First Successful Submission: 2026-02-22 11:23:25

Connecting over SSH

Time of First Successful Submission: 2026-02-22 11:26:54

Restarting Challenges

Time of First Successful Submission: 2026-02-22 11:29:19

Getting Help

Time of First Successful Submission: 2026-02-22 11:31:56

Challenge Programs

Time of First Successful Submission: 2026-02-22 11:32:53

The Flag File

Time of First Successful Submission: 2026-02-22 11:35:27

Using Privileged Mode

Time of First Successful Submission: 2026-02-22 11:42:59

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-22 11:48:25

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-22 11:48:57

Magic Number

Time of First Successful Submission: 2026-03-08 22:39:10