4v1at0r

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-03-10 23:40:45

Path Traversal 2

Time of First Successful Submission: 2026-03-11 00:24:28

CMDi 1

Time of First Successful Submission: 2026-03-11 00:28:53

CMDi 2

Time of First Successful Submission: 2026-03-11 00:31:48

CMDi 3

Time of First Successful Submission: 2026-03-11 00:33:47

CMDi 4

Time of First Successful Submission: 2026-03-11 00:36:12

CMDi 5

Time of First Successful Submission: 2026-03-11 00:37:56

CMDi 6

Time of First Successful Submission: 2026-03-11 00:39:18

Authentication Bypass 1

Time of First Successful Submission: 2026-03-11 23:31:37

Authentication Bypass 2

Time of First Successful Submission: 2026-03-11 23:37:30

SQLi 1

Time of First Successful Submission: 2026-03-12 00:09:04

SQLi 2

Time of First Successful Submission: 2026-03-12 00:12:44

SQLi 3

Time of First Successful Submission: 2026-03-12 00:18:17

SQLi 4

Time of First Successful Submission: 2026-03-12 00:24:34

SQLi 5

Time of First Successful Submission: 2026-03-13 00:31:32

XSS 1

Time of First Successful Submission: 2026-03-13 00:38:05

XSS 2

Time of First Successful Submission: 2026-03-13 00:40:13

XSS 3

Time of First Successful Submission: 2026-03-13 00:43:52

XSS 4

Time of First Successful Submission: 2026-03-13 00:46:18

XSS 5

Time of First Successful Submission: 2026-03-14 00:33:09

XSS 6

Time of First Successful Submission: 2026-03-14 00:43:10

XSS 7

Time of First Successful Submission: 2026-03-14 00:50:27

CSRF 1

Time of First Successful Submission: 2026-03-14 01:04:45

CSRF 2

Time of First Successful Submission: 2026-03-14 01:07:10

CSRF 3

Time of First Successful Submission: 2026-03-14 01:24:00

CSRF 4

Time of First Successful Submission: 2026-03-14 01:33:17

CSRF 5

Time of First Successful Submission: 2026-03-14 02:14:10

Connect

Time of First Successful Submission: 2026-03-14 02:32:42

Send

Time of First Successful Submission: 2026-03-14 02:33:36

Shutdown

Time of First Successful Submission: 2026-03-14 02:35:38

Listen

Time of First Successful Submission: 2026-03-14 02:36:43

Scan 1

Time of First Successful Submission: 2026-03-14 15:48:13

Scan 2

Time of First Successful Submission: 2026-03-14 16:04:26

Monitor 1

Time of First Successful Submission: 2026-03-14 16:10:04

Monitor 2

Time of First Successful Submission: 2026-03-14 16:12:59

Sniffing Cookies

Time of First Successful Submission: 2026-03-14 16:20:59

Firewall 1

Time of First Successful Submission: 2026-03-14 23:38:09

Firewall 2

Time of First Successful Submission: 2026-03-14 23:39:33

Firewall 3

Time of First Successful Submission: 2026-03-14 23:43:10

Denial of Service 1

Time of First Successful Submission: 2026-03-14 23:45:39

Ethernet

Time of First Successful Submission: 2026-03-15 00:43:32

IP

Time of First Successful Submission: 2026-03-15 00:47:24

TCP

Time of First Successful Submission: 2026-03-15 00:58:28

TCP Handshake

Time of First Successful Submission: 2026-03-15 01:05:06

UDP

Time of First Successful Submission: 2026-03-15 01:07:25

UDP 2

Time of First Successful Submission: 2026-03-15 01:09:55

XOR

Time of First Successful Submission: 2026-03-17 23:53:42

XORing Hex

Time of First Successful Submission: 2026-03-17 23:58:19

XORing ASCII

Time of First Successful Submission: 2026-03-18 00:01:59

XORing ASCII Strings

Time of First Successful Submission: 2026-03-18 00:11:41

One-time Pad

Time of First Successful Submission: 2026-03-18 00:14:12

One-time Pad Tampering

Time of First Successful Submission: 2026-03-19 23:30:48

Many-time Pad

Time of First Successful Submission: 2026-03-20 00:06:32

AES

Time of First Successful Submission: 2026-03-20 00:19:09

AES-ECB-CPA

Time of First Successful Submission: 2026-03-20 23:40:48

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-03-21 00:38:09

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-03-21 00:44:59

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-03-21 00:52:31

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-03-21 01:41:22

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-03-21 01:46:17

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-03-23 00:44:44

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-03-25 23:30:21

AES-CBC

Time of First Successful Submission: 2026-03-25 23:49:59

AES-CBC Tampering

Time of First Successful Submission: 2026-03-26 23:22:14

AES-CBC Resizing

Time of First Successful Submission: 2026-03-27 00:29:47

level1

Time of First Successful Submission: 2026-03-15 01:13:19

level2

Time of First Successful Submission: 2026-03-15 01:15:21

level3

Time of First Successful Submission: 2026-03-15 01:16:15

level4

Time of First Successful Submission: 2026-03-15 01:17:37

level5

Time of First Successful Submission: 2026-03-15 01:20:10

level6

Time of First Successful Submission: 2026-03-15 01:22:46

level7

Time of First Successful Submission: 2026-03-15 01:23:31

level8

Time of First Successful Submission: 2026-03-15 01:24:23

level9

Time of First Successful Submission: 2026-03-15 01:25:04

level10

Time of First Successful Submission: 2026-03-15 01:26:53

level11

Time of First Successful Submission: 2026-03-15 01:29:42

level12

Time of First Successful Submission: 2026-03-15 01:31:49

level13

Time of First Successful Submission: 2026-03-15 01:33:10

level14

Time of First Successful Submission: 2026-03-15 01:34:34

level15

Time of First Successful Submission: 2026-03-15 01:35:56

level16

Time of First Successful Submission: 2026-03-15 01:37:55

level17

Time of First Successful Submission: 2026-03-15 02:13:27

level18

Time of First Successful Submission: 2026-03-15 02:14:41

level19

Time of First Successful Submission: 2026-03-15 02:22:49

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-01 22:15:00

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-01 22:19:03

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-01 22:50:34

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-01 22:59:31

Reading Endianness (C)

Time of First Successful Submission: 2026-04-01 23:08:31

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-01 23:14:28

Version Information (Python)

Time of First Successful Submission: 2026-04-01 23:28:57

Version Information (C)

Time of First Successful Submission: 2026-04-03 19:41:45

Version Information (x86)

Time of First Successful Submission: 2026-04-03 19:48:56

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-04 00:12:40

Metadata and Data (C)

Time of First Successful Submission: 2026-04-04 00:19:22

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-04 00:27:25

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-04 00:32:30

Input Restrictions (C)

Time of First Successful Submission: 2026-04-04 00:39:19

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-04 00:48:54

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-04 14:02:09

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-04 14:12:15

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-04 14:22:28

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-04 22:45:34

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-04 23:03:15

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-04 23:17:18

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-29 02:44:16

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-29 02:46:26

Precision (easy)

Time of First Successful Submission: 2026-03-29 02:49:17

Precision (hard)

Time of First Successful Submission: 2026-03-29 03:00:34

Variable Control (easy)

Time of First Successful Submission: 2026-03-29 15:08:28

Variable Control (hard)

Time of First Successful Submission: 2026-03-29 15:31:41

Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 21:34:31

Control Hijack (hard)

Time of First Successful Submission: 2026-03-29 21:37:04

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 21:46:28

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-29 21:58:11

PIEs (easy)

Time of First Successful Submission: 2026-03-29 22:38:42

PIEs (hard)

Time of First Successful Submission: 2026-03-29 23:05:07

String Lengths (easy)

Time of First Successful Submission: 2026-03-29 23:35:25

String Lengths (hard)

Time of First Successful Submission: 2026-03-29 23:46:13

Basic Shellcode

Time of First Successful Submission: 2026-03-30 22:22:19

NOP Sleds

Time of First Successful Submission: 2026-03-30 22:50:17

NULL-Free Shellcode

Time of First Successful Submission: 2026-03-30 22:27:01

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-03-30 22:47:38

Hijack to (Mapped) Shellcode (hard)

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

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-03-30 23:12:41

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-03-31 23:33:01

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-03-10 23:11:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-10 23:14:13

Using the GUI Desktop

Time of First Successful Submission: 2026-03-10 23:16:44

Pasting into the Desktop

Time of First Successful Submission: 2026-03-10 23:18:33

Restarting Challenges

Time of First Successful Submission: 2026-03-10 23:26:03

Challenge Programs

Time of First Successful Submission: 2026-03-10 23:29:23

The Flag File

Time of First Successful Submission: 2026-03-10 23:30:20

Using Privileged Mode

Time of First Successful Submission: 2026-03-10 23:32:27

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-10 23:34:16

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-10 23:35:20

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-03-10 23:11:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-10 23:14:13

Using the GUI Desktop

Time of First Successful Submission: 2026-03-10 23:16:44

Pasting into the Desktop

Time of First Successful Submission: 2026-03-10 23:18:33

Connecting over SSH

Time of First Successful Submission: 2026-03-11 00:41:03

Restarting Challenges

Time of First Successful Submission: 2026-03-10 23:26:03

Challenge Programs

Time of First Successful Submission: 2026-03-10 23:29:23

The Flag File

Time of First Successful Submission: 2026-03-10 23:30:20

Using Privileged Mode

Time of First Successful Submission: 2026-03-10 23:32:27

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-10 23:34:16

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-10 23:35:20