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Triple Dereference

Time of First Successful Submission: 2025-12-25 14:22:49

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2025-12-26 03:22:08

Path Traversal 2

Time of First Successful Submission: 2025-12-26 10:50:36

CMDi 1

Time of First Successful Submission: 2025-12-29 02:52:11

CMDi 2

Time of First Successful Submission: 2025-12-29 02:57:21

CMDi 3

Time of First Successful Submission: 2026-01-05 17:31:07

CMDi 4

Time of First Successful Submission: 2026-01-13 14:49:34

CMDi 5

Time of First Successful Submission: 2026-01-14 15:10:47

CMDi 6

Time of First Successful Submission: 2026-01-14 15:15:04

Authentication Bypass 1

Time of First Successful Submission: 2026-01-14 15:17:11

Authentication Bypass 2

Time of First Successful Submission: 2026-01-14 15:18:55

SQLi 1

Time of First Successful Submission: 2026-01-14 15:23:55

SQLi 2

Time of First Successful Submission: 2026-01-14 15:26:21

SQLi 3

Time of First Successful Submission: 2026-01-14 15:29:15

SQLi 4

Time of First Successful Submission: 2026-01-14 15:30:59

SQLi 5

Time of First Successful Submission: 2026-01-14 15:33:21

XSS 1

Time of First Successful Submission: 2026-01-15 01:00:34

XSS 2

Time of First Successful Submission: 2026-01-15 01:06:42

XSS 3

Time of First Successful Submission: 2026-01-15 01:12:40

XSS 4

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

XSS 5

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

XSS 6

Time of First Successful Submission: 2026-01-15 01:21:00

XSS 7

Time of First Successful Submission: 2026-01-15 01:32:22

CSRF 1

Time of First Successful Submission: 2026-01-15 01:43:18

CSRF 2

Time of First Successful Submission: 2026-01-15 01:47:15

CSRF 3

Time of First Successful Submission: 2026-01-15 01:55:18

CSRF 4

Time of First Successful Submission: 2026-01-15 01:58:09

CSRF 5

Time of First Successful Submission: 2026-01-15 02:01:04

Connect

Time of First Successful Submission: 2026-01-15 02:14:52

Send

Time of First Successful Submission: 2026-01-15 02:15:58

Shutdown

Time of First Successful Submission: 2026-01-21 09:51:25

Listen

Time of First Successful Submission: 2026-01-21 10:00:40

Scan 1

Time of First Successful Submission: 2026-01-22 09:13:31

Scan 2

Time of First Successful Submission: 2026-01-22 09:22:00

Monitor 1

Time of First Successful Submission: 2026-01-22 09:31:08

Monitor 2

Time of First Successful Submission: 2026-01-22 09:42:03

Sniffing Cookies

Time of First Successful Submission: 2026-01-22 10:05:37

Network Configuration

Time of First Successful Submission: 2026-01-22 10:21:19

Firewall 1

Time of First Successful Submission: 2026-01-22 10:27:15

Firewall 2

Time of First Successful Submission: 2026-01-22 10:29:55

Firewall 3

Time of First Successful Submission: 2026-01-22 11:49:08

Denial of Service 1

Time of First Successful Submission: 2026-01-22 11:52:29

Denial of Service 2

Time of First Successful Submission: 2026-01-22 11:55:17

Denial of Service 3

Time of First Successful Submission: 2026-01-22 12:15:40

Ethernet

Time of First Successful Submission: 2026-01-22 12:50:19

IP

Time of First Successful Submission: 2026-01-22 12:53:57

TCP

Time of First Successful Submission: 2026-01-23 11:03:10

TCP Handshake

Time of First Successful Submission: 2026-01-23 11:24:29

UDP

Time of First Successful Submission: 2026-01-23 11:39:21

UDP 2

Time of First Successful Submission: 2026-01-23 11:42:03

UDP Spoofing 1

Time of First Successful Submission: 2026-01-23 11:48:46

UDP Spoofing 2

Time of First Successful Submission: 2026-01-23 12:31:17

UDP Spoofing 3

Time of First Successful Submission: 2026-01-23 12:45:22

UDP Spoofing 4

Time of First Successful Submission: 2026-01-23 13:39:02

ARP

Time of First Successful Submission: 2026-01-23 13:43:15

Intercept

Time of First Successful Submission: 2026-01-23 14:03:44

Man-in-the-Middle

Time of First Successful Submission: 2026-01-25 00:52:40

XOR

Time of First Successful Submission: 2026-01-25 02:03:31

XORing Hex

Time of First Successful Submission: 2026-01-25 02:16:45

XORing ASCII

Time of First Successful Submission: 2026-01-25 02:25:22

XORing ASCII Strings

Time of First Successful Submission: 2026-01-25 02:40:18

One-time Pad

Time of First Successful Submission: 2026-01-25 02:43:09

One-time Pad Tampering

Time of First Successful Submission: 2026-01-25 02:47:54

Many-time Pad

Time of First Successful Submission: 2026-01-25 03:08:29

AES

Time of First Successful Submission: 2026-01-25 03:15:12

AES-ECB-CPA

Time of First Successful Submission: 2026-01-25 03:20:11

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-01-25 03:23:48

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-01-25 03:27:27

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-01-25 03:37:46

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-01-25 03:58:36

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-01-25 10:23:47

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-01-25 10:26:20

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-01-29 07:28:54

AES-CBC

Time of First Successful Submission: 2026-01-29 07:34:11

AES-CBC Tampering

Time of First Successful Submission: 2026-01-29 07:40:05

AES-CBC Resizing

Time of First Successful Submission: 2026-01-29 07:41:34

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-01-29 07:56:09

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-01-29 07:59:36

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-01-29 08:02:37

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-01-29 08:04:38

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-01-29 08:06:21

DHKE

Time of First Successful Submission: 2026-01-29 08:54:39

DHKE-to-AES

Time of First Successful Submission: 2026-01-29 08:56:03

RSA 1

Time of First Successful Submission: 2026-01-29 08:57:22

RSA 2

Time of First Successful Submission: 2026-01-29 08:58:50

RSA 3

Time of First Successful Submission: 2026-01-29 09:01:19

RSA 4

Time of First Successful Submission: 2026-01-29 09:05:04

RSA Signatures

Time of First Successful Submission: 2026-01-29 09:14:05

SHA 1

Time of First Successful Submission: 2026-01-29 09:16:08

SHA 2

Time of First Successful Submission: 2026-01-29 09:18:25

TLS 1

Time of First Successful Submission: 2026-01-29 09:21:14

TLS 2

Time of First Successful Submission: 2026-01-29 12:17:58

level1

Time of First Successful Submission: 2026-01-29 12:22:39

level2

Time of First Successful Submission: 2026-01-29 12:27:43

level3

Time of First Successful Submission: 2026-01-29 12:29:00

level4

Time of First Successful Submission: 2026-01-29 12:31:20

level5

Time of First Successful Submission: 2026-01-29 12:35:17

level6

Time of First Successful Submission: 2026-01-29 12:37:17

level7

Time of First Successful Submission: 2026-01-29 22:37:10

level8

Time of First Successful Submission: 2026-01-29 22:40:43

level9

Time of First Successful Submission: 2026-01-29 22:42:14

level10

Time of First Successful Submission: 2026-01-29 22:46:13

level11

Time of First Successful Submission: 2026-01-29 22:48:57

level12

Time of First Successful Submission: 2026-01-29 22:58:08

level13

Time of First Successful Submission: 2026-01-29 23:00:31

level14

Time of First Successful Submission: 2026-01-29 23:04:31

level15

Time of First Successful Submission: 2026-01-29 23:07:05

level16

Time of First Successful Submission: 2026-01-29 23:09:13

level17

Time of First Successful Submission: 2026-01-29 23:11:28

level18

Time of First Successful Submission: 2026-01-29 23:12:45

level19

Time of First Successful Submission: 2026-01-29 12:40:10

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-01-30 02:55:30

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-01-30 02:58:09

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-01-30 03:05:26

Reading Endianness (Python)

Time of First Successful Submission: 2026-01-30 03:08:49

Reading Endianness (C)

Time of First Successful Submission: 2026-01-30 03:11:57

Reading Endianness (x86)

Time of First Successful Submission: 2026-01-30 03:57:20

Version Information (Python)

Time of First Successful Submission: 2026-01-30 04:01:51

Version Information (C)

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

Version Information (x86)

Time of First Successful Submission: 2026-01-30 04:17:40

Metadata and Data (Python)

Time of First Successful Submission: 2026-01-30 05:53:37

Metadata and Data (C)

Time of First Successful Submission: 2026-01-30 05:54:56

Metadata and Data (x86)

Time of First Successful Submission: 2026-01-30 05:56:50

Input Restrictions (Python)

Time of First Successful Submission: 2026-01-30 05:57:52

Input Restrictions (C)

Time of First Successful Submission: 2026-01-30 05:59:12

Input Restrictions (x86)

Time of First Successful Submission: 2026-01-30 06:00:56

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-01-30 06:02:44

Behold the cIMG! (C)

Time of First Successful Submission: 2026-01-30 06:04:06

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-01-30 06:05:47

A Basic cIMG (Python)

Time of First Successful Submission: 2026-01-30 06:07:07

A Basic cIMG (C)

Time of First Successful Submission: 2026-01-30 06:08:50

A Basic cIMG (x86)

Time of First Successful Submission: 2026-01-30 06:11:05

Internal State Mini (C)

Time of First Successful Submission: 2026-01-30 06:12:43

Internal State Mini (x86)

Time of First Successful Submission: 2026-01-30 06:14:25

Internal State (C)

Time of First Successful Submission: 2026-01-30 06:19:08

Internal State (x86)

Time of First Successful Submission: 2026-01-30 06:23:50

File Formats: Directives (C)

Time of First Successful Submission: 2026-01-30 06:31:20

File Formats: Directives (x86)

Time of First Successful Submission: 2026-01-30 06:33:26

The Patch Directive

Time of First Successful Submission: 2026-01-30 06:43:45

Optimizing for Space

Time of First Successful Submission: 2026-01-30 08:12:39

Tweaking Images

Time of First Successful Submission: 2026-02-01 03:38:14

Storage and Retrieval

Time of First Successful Submission: 2026-02-01 08:00:29

Extracting Knowledge

Time of First Successful Submission: 2026-02-01 08:11:49

Advanced Sprites

Time of First Successful Submission: 2026-02-01 08:48:35

Accessing Resources

Time of First Successful Submission: 2026-02-01 09:37:30

Unsafe Animations

Time of First Successful Submission: 2026-02-01 09:41:35

Animations

Time of First Successful Submission: 2026-02-01 10:30:15

Interoperability: Patching Data

Time of First Successful Submission: 2026-02-01 12:36:06

Patching Code

Time of First Successful Submission: 2026-02-02 02:15:56

Patching Control Flow

Time of First Successful Submission: 2026-02-02 03:20:52

Your First Overflow (easy)

Time of First Successful Submission: 2026-02-04 11:47:17

Your First Overflow (hard)

Time of First Successful Submission: 2026-02-04 12:22:59

Precision (easy)

Time of First Successful Submission: 2026-02-04 12:41:34

Precision (hard)

Time of First Successful Submission: 2026-02-04 12:45:48

Variable Control (easy)

Time of First Successful Submission: 2026-02-04 12:53:00

Variable Control (hard)

Time of First Successful Submission: 2026-02-04 12:58:30

Control Hijack (easy)

Time of First Successful Submission: 2026-02-04 13:17:04

Control Hijack (hard)

Time of First Successful Submission: 2026-02-05 01:44:05

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-02-05 02:00:27

Tricky Control Hijack (hard)

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

PIEs (easy)

Time of First Successful Submission: 2026-02-05 03:07:00

PIEs (hard)

Time of First Successful Submission: 2026-02-05 07:59:31

String Lengths (easy)

Time of First Successful Submission: 2026-02-05 08:54:04

String Lengths (hard)

Time of First Successful Submission: 2026-02-05 12:41:29

Basic Shellcode

Time of First Successful Submission: 2026-02-06 06:44:01

NOP Sleds

Time of First Successful Submission: 2026-02-06 06:57:00

NULL-Free Shellcode

Time of First Successful Submission: 2026-02-06 07:08:17

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-02-06 07:34:52

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-02-06 07:55:05

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-02-06 08:01:23

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-02-06 09:19:44

ECB-to-Win (easy)

Time of First Successful Submission: 2026-02-06 09:54:54

ECB-to-Win (hard)

Time of First Successful Submission: 2026-02-06 10:09:19

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-02-07 08:55:36

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-02-07 09:29:01

CIMG Screenshots

Time of First Successful Submission: 2026-02-09 03:19:51

CIMG Screenshots 2

Time of First Successful Submission: 2026-02-09 04:27:46

Wily Webserver

Time of First Successful Submission: 2026-02-09 08:30:02

The Watering Hole

Time of First Successful Submission: 2026-02-09 12:34:14

Secure Chat 1

Time of First Successful Submission: 2026-02-09 12:57:21

Secure Chat 2

Time of First Successful Submission: 2026-02-09 13:23:09

Secure Chat 3

Time of First Successful Submission: 2026-02-10 06:02:27

Secure Chat 4

Time of First Successful Submission: 2026-02-10 09:22:32

Secure Chat 5

Time of First Successful Submission: 2026-02-19 02:49:30

Program Security

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ello ackers!

Time of First Successful Submission: 2026-02-19 07:04:35

Start Here

12 / 12 502 / 40358

Using the Terminal

Time of First Successful Submission: 2025-12-24 14:12:04

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-24 14:16:00

Using the GUI Desktop

Time of First Successful Submission: 2025-12-24 14:26:52

Pasting into the Desktop

Time of First Successful Submission: 2025-12-24 14:28:55

Restarting Challenges

Time of First Successful Submission: 2025-12-24 14:48:06

Challenge Programs

Time of First Successful Submission: 2025-12-24 14:55:49

The Flag File

Time of First Successful Submission: 2025-12-24 15:00:29

Using Privileged Mode

Time of First Successful Submission: 2025-12-24 15:04:03

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-24 15:10:09

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-24 15:15:36

Computing 101

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Your First Register

Time of First Successful Submission: 2025-12-25 01:22:13

Your First Syscall

Time of First Successful Submission: 2025-12-25 01:36:06

Exit Codes

Time of First Successful Submission: 2025-12-25 01:39:15

Building Executables

Time of First Successful Submission: 2025-12-25 04:08:24

Moving Between Registers

Time of First Successful Submission: 2025-12-25 04:19:01

Loading From Memory

Time of First Successful Submission: 2025-12-25 07:42:38

More Loading Practice

Time of First Successful Submission: 2025-12-25 07:48:39

Dereferencing Pointers

Time of First Successful Submission: 2025-12-25 13:16:25

Dereferencing Yourself

Time of First Successful Submission: 2025-12-25 13:21:05

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-25 14:04:07

Stored Addresses

Time of First Successful Submission: 2025-12-25 14:17:49

Double Dereference

Time of First Successful Submission: 2025-12-25 14:21:40

Tracing Syscalls

Time of First Successful Submission: 2025-12-25 07:14:03

Starting GDB

Time of First Successful Submission: 2025-12-25 07:16:15

Starting Programs in GDB

Time of First Successful Submission: 2025-12-25 07:18:01

Writing Output

Time of First Successful Submission: 2025-12-25 14:29:35

Chaining Syscalls

Time of First Successful Submission: 2025-12-25 14:52:15

Writing Strings

Time of First Successful Submission: 2025-12-28 13:57:14

Fuzz Dojo

9 / 16 43 / 252

Consent

Time of First Successful Submission: 2026-01-15 02:18:49

Locate Harnesses

Time of First Successful Submission: 2026-01-15 02:27:55

Modify a Fuzzing Harness

Time of First Successful Submission: 2026-01-15 02:53:17

Fix Broken Fuzzing Harness

Time of First Successful Submission: 2026-01-15 03:20:02

Initial Parameters

Time of First Successful Submission: 2026-01-15 03:50:36

Improve Coverage Using the Call Tree

Time of First Successful Submission: 2026-01-15 04:55:46

Implement Seed Corpus

Time of First Successful Submission: 2026-01-15 05:41:55

Create New Fuzz Driver

Time of First Successful Submission: 2026-01-15 05:57:21

OSS-Fuzz - Build a Project

Time of First Successful Submission: 2026-01-15 06:38:23

GCA CTF

12 / 104 720 / 40587

Using the Terminal

Time of First Successful Submission: 2025-12-24 14:12:04

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-24 14:16:00

Using the GUI Desktop

Time of First Successful Submission: 2025-12-24 14:26:52

Pasting into the Desktop

Time of First Successful Submission: 2025-12-24 14:28:55

Connecting over SSH

Time of First Successful Submission: 2025-12-24 14:40:02

Restarting Challenges

Time of First Successful Submission: 2025-12-24 14:48:06

Getting Help

Time of First Successful Submission: 2025-12-24 14:52:44

Challenge Programs

Time of First Successful Submission: 2025-12-24 14:55:49

The Flag File

Time of First Successful Submission: 2025-12-24 15:00:29

Using Privileged Mode

Time of First Successful Submission: 2025-12-24 15:04:03

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-24 15:10:09

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-24 15:15:36