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Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-09-06 21:07:57

Path Traversal 2

Time of First Successful Submission: 2026-09-06 21:43:02

CMDi 1

Time of First Successful Submission: 2026-09-07 10:23:29

CMDi 2

Time of First Successful Submission: 2026-09-07 10:26:42

CMDi 3

Time of First Successful Submission: 2026-09-07 10:32:59

CMDi 4

Time of First Successful Submission: 2026-09-07 10:35:54

CMDi 5

Time of First Successful Submission: 2026-09-07 10:47:03

CMDi 6

Time of First Successful Submission: 2026-09-07 11:25:39

Authentication Bypass 1

Time of First Successful Submission: 2026-09-07 11:39:33

Authentication Bypass 2

Time of First Successful Submission: 2026-09-07 12:03:30

SQLi 1

Time of First Successful Submission: 2026-09-07 12:15:20

SQLi 2

Time of First Successful Submission: 2026-09-07 12:17:29

SQLi 3

Time of First Successful Submission: 2026-09-07 12:27:11

SQLi 4

Time of First Successful Submission: 2026-09-07 12:36:42

SQLi 5

Time of First Successful Submission: 2026-09-07 15:19:37

XSS 1

Time of First Successful Submission: 2026-09-08 10:56:41

XSS 2

Time of First Successful Submission: 2026-09-08 11:02:42

XSS 3

Time of First Successful Submission: 2026-09-08 11:25:02

XSS 4

Time of First Successful Submission: 2026-09-08 11:29:56

XSS 5

Time of First Successful Submission: 2026-09-08 14:27:50

XSS 6

Time of First Successful Submission: 2026-09-08 14:32:43

XSS 7

Time of First Successful Submission: 2026-09-08 14:43:26

CSRF 1

Time of First Successful Submission: 2026-09-08 17:32:04

CSRF 2

Time of First Successful Submission: 2026-09-08 17:48:52

CSRF 3

Time of First Successful Submission: 2026-09-08 18:31:04

CSRF 4

Time of First Successful Submission: 2026-09-08 19:49:03

CSRF 5

Time of First Successful Submission: 2026-09-08 21:31:31

Connect

Time of First Successful Submission: 2026-09-09 11:01:59

Send

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

Shutdown

Time of First Successful Submission: 2026-09-09 11:10:38

Listen

Time of First Successful Submission: 2026-09-09 11:14:15

Scan 1

Time of First Successful Submission: 2026-09-09 11:29:44

Scan 2

Time of First Successful Submission: 2026-09-09 12:03:16

Monitor 1

Time of First Successful Submission: 2026-09-09 12:09:37

Monitor 2

Time of First Successful Submission: 2026-09-09 12:42:40

Sniffing Cookies

Time of First Successful Submission: 2026-09-09 13:31:17

Network Configuration

Time of First Successful Submission: 2026-09-09 16:19:34

Firewall 1

Time of First Successful Submission: 2026-09-09 16:32:22

Firewall 2

Time of First Successful Submission: 2026-09-09 16:36:11

Firewall 3

Time of First Successful Submission: 2026-09-09 16:43:56

Denial of Service 1

Time of First Successful Submission: 2026-09-09 17:30:16

Denial of Service 2

Time of First Successful Submission: 2026-09-09 18:02:04

Denial of Service 3

Time of First Successful Submission: 2026-09-09 19:44:14

Ethernet

Time of First Successful Submission: 2026-09-10 12:27:43

IP

Time of First Successful Submission: 2026-09-10 12:32:33

TCP

Time of First Successful Submission: 2026-09-10 12:37:29

TCP Handshake

Time of First Successful Submission: 2026-09-10 12:58:01

UDP

Time of First Successful Submission: 2026-09-10 21:34:01

UDP 2

Time of First Successful Submission: 2026-09-10 21:37:43

UDP Spoofing 1

Time of First Successful Submission: 2026-09-10 21:41:59

UDP Spoofing 2

Time of First Successful Submission: 2026-09-11 12:37:05

UDP Spoofing 3

Time of First Successful Submission: 2026-09-11 15:53:27

UDP Spoofing 4

Time of First Successful Submission: 2026-09-11 16:33:36

ARP

Time of First Successful Submission: 2026-09-11 16:50:39

Intercept

Time of First Successful Submission: 2026-09-11 17:52:57

Man-in-the-Middle

Time of First Successful Submission: 2026-10-18 19:44:21

XOR

Time of First Successful Submission: 2026-09-12 17:41:48

XORing Hex

Time of First Successful Submission: 2026-09-12 17:51:17

XORing ASCII

Time of First Successful Submission: 2026-09-13 12:55:08

XORing ASCII Strings

Time of First Successful Submission: 2026-09-13 13:33:08

One-time Pad

Time of First Successful Submission: 2026-09-13 13:43:01

One-time Pad Tampering

Time of First Successful Submission: 2026-09-13 14:06:16

Many-time Pad

Time of First Successful Submission: 2026-09-13 14:10:27

AES

Time of First Successful Submission: 2026-09-13 14:45:18

AES-ECB-CPA

Time of First Successful Submission: 2026-09-13 17:28:01

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-09-13 20:05:00

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-09-14 06:35:14

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-09-14 13:13:13

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-09-14 13:57:51

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-09-14 15:31:16

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-09-14 17:17:34

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-09-14 19:06:31

AES-CBC

Time of First Successful Submission: 2026-09-14 19:53:39

AES-CBC Tampering

Time of First Successful Submission: 2026-09-15 11:17:07

AES-CBC Resizing

Time of First Successful Submission: 2026-09-15 11:30:11

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-09-16 20:52:09

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-09-17 15:37:26

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-09-17 16:32:38

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-09-17 18:05:59

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-09-17 18:16:36

DHKE

Time of First Successful Submission: 2026-09-18 16:40:24

DHKE-to-AES

Time of First Successful Submission: 2026-09-18 16:55:51

RSA 1

Time of First Successful Submission: 2026-09-18 17:54:58

RSA 2

Time of First Successful Submission: 2026-09-18 19:06:29

RSA 3

Time of First Successful Submission: 2026-09-18 20:03:46

RSA 4

Time of First Successful Submission: 2026-09-19 12:35:24

RSA Signatures

Time of First Successful Submission: 2026-09-19 19:13:37

SHA 1

Time of First Successful Submission: 2026-09-19 22:15:29

SHA 2

Time of First Successful Submission: 2026-09-19 22:41:52

TLS 1

Time of First Successful Submission: 2026-09-20 13:54:41

TLS 2

Time of First Successful Submission: 2026-09-20 16:15:13

level1

Time of First Successful Submission: 2026-09-20 19:55:28

level2

Time of First Successful Submission: 2026-09-20 19:57:38

level3

Time of First Successful Submission: 2026-09-20 19:58:32

level4

Time of First Successful Submission: 2026-09-20 19:59:22

level5

Time of First Successful Submission: 2026-09-20 20:01:12

level6

Time of First Successful Submission: 2026-09-20 20:06:18

level7

Time of First Successful Submission: 2026-09-20 20:08:54

level8

Time of First Successful Submission: 2026-09-20 20:10:34

level9

Time of First Successful Submission: 2026-09-20 20:12:41

level10

Time of First Successful Submission: 2026-09-21 09:38:52

level11

Time of First Successful Submission: 2026-09-21 12:06:37

level12

Time of First Successful Submission: 2026-09-21 12:10:22

level13

Time of First Successful Submission: 2026-09-21 12:12:33

level14

Time of First Successful Submission: 2026-09-21 12:13:52

level15

Time of First Successful Submission: 2026-09-21 12:14:46

level16

Time of First Successful Submission: 2026-09-21 12:16:07

level17

Time of First Successful Submission: 2026-09-21 13:40:07

level18

Time of First Successful Submission: 2026-09-21 13:41:00

level19

Time of First Successful Submission: 2026-09-21 13:54:02

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-09-23 11:15:19

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-09-23 11:19:37

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-09-23 11:37:26

Reading Endianness (Python)

Time of First Successful Submission: 2026-09-23 11:40:51

Reading Endianness (C)

Time of First Successful Submission: 2026-09-23 11:45:54

Reading Endianness (x86)

Time of First Successful Submission: 2026-09-23 11:51:53

Version Information (Python)

Time of First Successful Submission: 2026-09-23 12:03:51

Version Information (C)

Time of First Successful Submission: 2026-09-23 12:05:07

Version Information (x86)

Time of First Successful Submission: 2026-09-23 12:30:10

Metadata and Data (Python)

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

Metadata and Data (C)

Time of First Successful Submission: 2026-09-23 13:11:55

Metadata and Data (x86)

Time of First Successful Submission: 2026-09-23 13:42:56

Input Restrictions (Python)

Time of First Successful Submission: 2026-09-23 13:56:41

Input Restrictions (C)

Time of First Successful Submission: 2026-09-23 14:08:57

Input Restrictions (x86)

Time of First Successful Submission: 2026-09-23 14:14:26

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-09-23 19:07:33

Behold the cIMG! (C)

Time of First Successful Submission: 2026-09-23 19:12:18

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-09-23 19:30:20

A Basic cIMG (Python)

Time of First Successful Submission: 2026-09-23 20:05:55

A Basic cIMG (C)

Time of First Successful Submission: 2026-09-23 20:08:27

A Basic cIMG (x86)

Time of First Successful Submission: 2026-09-23 20:11:53

Internal State Mini (C)

Time of First Successful Submission: 2026-09-24 16:28:58

Internal State Mini (x86)

Time of First Successful Submission: 2026-09-24 16:35:03

Internal State (C)

Time of First Successful Submission: 2026-09-24 20:43:41

Internal State (x86)

Time of First Successful Submission: 2026-09-25 11:54:44

File Formats: Directives (C)

Time of First Successful Submission: 2026-09-25 12:10:54

File Formats: Directives (x86)

Time of First Successful Submission: 2026-09-25 12:23:53

The Patch Directive

Time of First Successful Submission: 2026-09-27 15:14:19

Optimizing for Space

Time of First Successful Submission: 2026-10-02 20:38:29

Tweaking Images

Time of First Successful Submission: 2026-10-03 13:58:19

Storage and Retrieval

Time of First Successful Submission: 2026-10-04 10:37:42

Extracting Knowledge

Time of First Successful Submission: 2026-10-04 13:08:07

Advanced Sprites

Time of First Successful Submission: 2026-10-04 16:26:39

Accessing Resources

Time of First Successful Submission: 2026-10-04 17:08:39

Unsafe Animations

Time of First Successful Submission: 2026-10-04 17:58:44

Animations

Time of First Successful Submission: 2026-10-04 18:44:11

Interoperability: Patching Data

Time of First Successful Submission: 2026-10-05 15:50:01

Patching Code

Time of First Successful Submission: 2026-10-05 16:07:04

Patching Control Flow

Time of First Successful Submission: 2026-10-05 16:15:46

Your First Overflow (easy)

Time of First Successful Submission: 2026-10-06 11:59:48

Your First Overflow (hard)

Time of First Successful Submission: 2026-10-06 12:35:23

Precision (easy)

Time of First Successful Submission: 2026-10-06 12:51:01

Precision (hard)

Time of First Successful Submission: 2026-10-06 16:06:59

Variable Control (easy)

Time of First Successful Submission: 2026-10-06 16:41:25

Variable Control (hard)

Time of First Successful Submission: 2026-10-06 16:52:25

Control Hijack (easy)

Time of First Successful Submission: 2026-10-06 17:17:27

Control Hijack (hard)

Time of First Successful Submission: 2026-10-06 17:28:13

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-10-06 17:52:15

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-10-06 17:55:57

PIEs (easy)

Time of First Successful Submission: 2026-10-07 16:19:57

PIEs (hard)

Time of First Successful Submission: 2026-10-07 16:31:04

String Lengths (easy)

Time of First Successful Submission: 2026-10-07 16:44:19

String Lengths (hard)

Time of First Successful Submission: 2026-10-07 16:46:35

Basic Shellcode

Time of First Successful Submission: 2026-10-07 20:27:57

NOP Sleds

Time of First Successful Submission: 2026-10-08 20:33:27

NULL-Free Shellcode

Time of First Successful Submission: 2026-10-08 20:49:44

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-10-09 12:51:57

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-10-09 12:58:01

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-10-09 13:04:04

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-10-09 13:50:24

ECB-to-Win (easy)

Time of First Successful Submission: 2026-10-09 15:44:26

ECB-to-Win (hard)

Time of First Successful Submission: 2026-10-09 17:29:39

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-10-09 17:59:43

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-10-09 18:01:49

CIMG Screenshots

Time of First Successful Submission: 2026-10-11 11:23:30

CIMG Screenshots 2

Time of First Successful Submission: 2026-10-11 12:33:35

Wily Webserver

Time of First Successful Submission: 2026-10-11 20:11:58

The Watering Hole

Time of First Successful Submission: 2026-10-12 14:27:03

Secure Chat 1

Time of First Successful Submission: 2026-10-12 16:49:30

Secure Chat 2

Time of First Successful Submission: 2026-10-13 16:57:44

Secure Chat 3

Time of First Successful Submission: 2026-10-16 18:57:16

Secure Chat 4

Time of First Successful Submission: 2026-10-17 18:44:24

Secure Chat 5

Time of First Successful Submission: 2026-10-17 18:53:02

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-08-22 14:00:30

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-22 14:05:01

Using the GUI Desktop

Time of First Successful Submission: 2026-08-22 14:08:18

Pasting into the Desktop

Time of First Successful Submission: 2026-08-22 14:09:59

Restarting Challenges

Time of First Successful Submission: 2026-08-22 14:17:19

Challenge Programs

Time of First Successful Submission: 2026-08-22 14:19:27

The Flag File

Time of First Successful Submission: 2026-08-22 14:21:35

Using Privileged Mode

Time of First Successful Submission: 2026-08-22 14:26:49

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-22 14:46:35

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-22 14:47:50

Computing 101

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Loading From Memory

Time of First Successful Submission: 2026-08-22 21:44:26

More Loading Practice

Time of First Successful Submission: 2026-08-22 21:49:33

Dereferencing Pointers

Time of First Successful Submission: 2026-08-22 21:55:47

Dereferencing Yourself

Time of First Successful Submission: 2026-08-22 21:59:04

Dereferencing with Offsets

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

Stored Addresses

Time of First Successful Submission: 2026-08-22 22:06:48

Double Dereference

Time of First Successful Submission: 2026-08-22 22:11:19

The Stack

Time of First Successful Submission: 2026-08-23 11:25:03

Stack Offsets

Time of First Successful Submission: 2026-08-23 11:30:15

Program Arguments on the Stack

Time of First Successful Submission: 2026-08-23 11:34:02

Popping From the Stack

Time of First Successful Submission: 2026-08-23 11:37:49

Negative Numbers

Time of First Successful Submission: 2026-08-23 12:48:14

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-08-23 12:54:31

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-08-23 13:04:14

Encoding Negatives

Time of First Successful Submission: 2026-08-23 13:11:57

Disassembling Programs

Time of First Successful Submission: 2026-08-23 13:20:11

Tracing Syscalls

Time of First Successful Submission: 2026-08-23 13:22:26

Starting GDB

Time of First Successful Submission: 2026-08-23 13:24:34

Quitting GDB

Time of First Successful Submission: 2026-08-23 13:25:38

Starting Programs in GDB

Time of First Successful Submission: 2026-08-23 13:32:12

Disassembling in GDB

Time of First Successful Submission: 2026-08-23 13:33:46

Stepping Through Instructions

Time of First Successful Submission: 2026-08-23 13:36:01

Reading Register Values

Time of First Successful Submission: 2026-08-23 13:38:20

Setting Register Values

Time of First Successful Submission: 2026-08-23 13:40:58

Popping Stack Values

Time of First Successful Submission: 2026-08-23 13:42:41

Examining Memory

Time of First Successful Submission: 2026-08-23 13:44:30

Examining Stack Pointers

Time of First Successful Submission: 2026-08-23 13:46:58

Cooperative Debugging

Time of First Successful Submission: 2026-08-23 13:51:41

Running with Arguments

Time of First Successful Submission: 2026-08-23 13:53:36

Redirecting Input in GDB

Time of First Successful Submission: 2026-08-23 13:57:11

Writing Output

Time of First Successful Submission: 2026-08-23 14:39:32

Chaining Syscalls

Time of First Successful Submission: 2026-08-23 14:42:48

Writing Strings

Time of First Successful Submission: 2026-08-23 14:44:38

Reading Data

Time of First Successful Submission: 2026-08-23 15:04:11

Reading Exactly

Time of First Successful Submission: 2026-08-23 15:09:29

Opening Files

Time of First Successful Submission: 2026-08-23 15:27:37

Hardcoding the Filename

Time of First Successful Submission: 2026-08-23 16:37:41

RIP-Relative Strings

Time of First Successful Submission: 2026-08-23 16:48:21

Comparing Values

Time of First Successful Submission: 2026-08-23 19:06:13

Comparing Characters

Time of First Successful Submission: 2026-08-23 19:10:38

Conditional Control Flow

Time of First Successful Submission: 2026-08-23 19:18:54

Comparing Strings

Time of First Successful Submission: 2026-08-23 19:25:38

Reverse the Password

Time of First Successful Submission: 2026-08-23 19:33:00

Conditionals Without Conditionals

Time of First Successful Submission: 2026-08-23 20:51:02

Recognizing Loops

Time of First Successful Submission: 2026-08-23 21:09:25

Writing Loops

Time of First Successful Submission: 2026-08-24 12:55:19

Writing From a Shared Library

Time of First Successful Submission: 2026-08-24 13:09:46

Calling Through a Pointer

Time of First Successful Submission: 2026-08-24 13:45:39

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-08-24 13:48:32

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-08-24 13:59:02

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-08-24 14:04:49

Sign Extension

Time of First Successful Submission: 2026-08-24 16:15:54

Little-Endian Bytes

Time of First Successful Submission: 2026-08-24 16:29:31

Qword by Qword

Time of First Successful Submission: 2026-08-24 16:55:59

Dword by Dword

Time of First Successful Submission: 2026-08-24 17:08:54

Word by Word

Time of First Successful Submission: 2026-08-24 17:20:04

Byte by Byte

Time of First Successful Submission: 2026-08-24 17:25:00

Cracking a Struct

Time of First Successful Submission: 2026-08-24 17:53:44

Scrambled Struct

Time of First Successful Submission: 2026-08-24 18:04:19

Reverse the Calculation

Time of First Successful Submission: 2026-08-24 18:58:52

Reverse the Reverse

Time of First Successful Submission: 2026-08-24 19:03:57

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-08-24 19:18:50

Even or Odd

Time of First Successful Submission: 2026-08-24 19:40:05

Masking Bits

Time of First Successful Submission: 2026-08-24 19:51:24

Lowercase a String

Time of First Successful Submission: 2026-08-24 20:01:03

Uppercase a String

Time of First Successful Submission: 2026-08-24 20:19:42

Swap Case

Time of First Successful Submission: 2026-08-24 20:24:23

Shifting Left

Time of First Successful Submission: 2026-08-24 20:32:05

Shifting Right

Time of First Successful Submission: 2026-08-24 20:42:54

Loops on Data

Time of First Successful Submission: 2026-08-24 21:34:52

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-08-25 12:50:17

Loading Stale Stack Data

Time of First Successful Submission: 2026-08-24 22:30:51

Stealing Stale Stack Data

Time of First Successful Submission: 2026-08-25 13:08:12

Reserving Your Own Frame

Time of First Successful Submission: 2026-08-25 18:46:06

Using Your Own Frame

Time of First Successful Submission: 2026-08-25 21:11:51

Environment Variables on the Stack

Time of First Successful Submission: 2026-08-27 16:03:02

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-08-27 16:14:32

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-08-27 16:21:22

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-08-27 16:33:53

A Single Digit

Time of First Successful Submission: 2026-08-27 16:55:00

Two Digits

Time of First Successful Submission: 2026-08-27 17:31:53

String to Integer

Time of First Successful Submission: 2026-08-27 20:03:06

Negative Numbers

Time of First Successful Submission: 2026-08-27 20:25:26

Where the Number Ends

Time of First Successful Submission: 2026-08-27 20:45:35

A Whole Program

Time of First Successful Submission: 2026-08-28 09:28:45

A Single Digit, Back to Text

Time of First Successful Submission: 2026-08-28 18:17:18

Divide and Remainder

Time of First Successful Submission: 2026-08-28 18:47:36

Drop the Leading Zero

Time of First Successful Submission: 2026-08-28 19:17:03

Integer to String

Time of First Successful Submission: 2026-08-28 21:34:52

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-08-29 08:52:43

Sum Them All

Time of First Successful Submission: 2026-08-29 14:27:39

Addition

Time of First Successful Submission: 2026-08-29 19:10:22

Subtraction

Time of First Successful Submission: 2026-08-29 19:22:04

Multiplication

Time of First Successful Submission: 2026-08-29 19:32:13

Bitwise Operators

Time of First Successful Submission: 2026-08-29 19:44:59

Unary Operators

Time of First Successful Submission: 2026-08-29 20:03:07

Literal Output

Time of First Successful Submission: 2026-08-29 20:32:37

Newline Escapes

Time of First Successful Submission: 2026-08-29 21:48:02

Escaped Syntax

Time of First Successful Submission: 2026-08-29 22:24:42

Decimal Markers

Time of First Successful Submission: 2026-08-30 18:51:48

Multiple Decimal Markers

Time of First Successful Submission: 2026-08-31 12:04:23

String Markers

Time of First Successful Submission: 2026-08-31 12:19:45

Hex Byte Escapes

Time of First Successful Submission: 2026-08-31 16:43:56

Debugging Programs

Time of First Successful Submission: 2026-08-31 19:33:16

Inspecting Registers

Time of First Successful Submission: 2026-08-31 19:35:58

Examining Memory

Time of First Successful Submission: 2026-08-31 19:50:07

Setting Breakpoints

Time of First Successful Submission: 2026-09-01 12:29:59

GDB Scripting

Time of First Successful Submission: 2026-09-01 18:04:04

Modifying Data

Time of First Successful Submission: 2026-09-01 18:35:49

Modifying Execution

Time of First Successful Submission: 2026-09-01 19:22:35

Broken Functions

Time of First Successful Submission: 2026-09-01 20:33:01

Exit

Time of First Successful Submission: 2026-09-02 09:52:18

Socket

Time of First Successful Submission: 2026-09-02 10:07:31

Bind

Time of First Successful Submission: 2026-09-02 11:15:38

Listen

Time of First Successful Submission: 2026-09-02 11:36:15

Accept

Time of First Successful Submission: 2026-09-02 11:43:25

Static Response

Time of First Successful Submission: 2026-09-02 12:08:10

Dynamic Response

Time of First Successful Submission: 2026-09-02 14:00:14

Iterative GET Server

Time of First Successful Submission: 2026-09-02 14:10:47

Concurrent GET Server

Time of First Successful Submission: 2026-09-02 14:57:20

Concurrent POST Server

Time of First Successful Submission: 2026-09-02 18:32:27

Web Server

Time of First Successful Submission: 2026-09-02 18:40:00

Playing With Programs

116 / 116 1219 / 27011

What's the password?

Time of First Successful Submission: 2026-09-02 20:10:59

... and again!

Time of First Successful Submission: 2026-09-02 20:11:48

Newline Troubles

Time of First Successful Submission: 2026-09-02 20:14:02

Reasoning about files

Time of First Successful Submission: 2026-09-02 20:22:06

Specifying Filenames

Time of First Successful Submission: 2026-09-02 20:26:08

Binary and Hex Encoding

Time of First Successful Submission: 2026-09-02 20:54:36

More Hex

Time of First Successful Submission: 2026-09-02 20:57:09

Decoding Hex

Time of First Successful Submission: 2026-09-03 11:21:33

Decoding Practice

Time of First Successful Submission: 2026-09-03 11:35:59

Encoding Practice

Time of First Successful Submission: 2026-09-03 11:45:01

Hex-encoding ASCII

Time of First Successful Submission: 2026-09-03 12:06:20

Nested Encoding

Time of First Successful Submission: 2026-09-03 12:13:48

Hex-encoding UTF-8

Time of First Successful Submission: 2026-09-03 12:18:48

UTF Mixups

Time of First Successful Submission: 2026-09-03 12:37:59

Modifying Encoded Data

Time of First Successful Submission: 2026-09-03 12:52:51

Decoding Base64

Time of First Successful Submission: 2026-09-03 13:04:36

Encoding Base64

Time of First Successful Submission: 2026-09-03 14:10:55

Dealing with Obfuscation

Time of First Successful Submission: 2026-09-03 14:55:42

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-09-03 15:22:12

Your First HTTP Request

Time of First Successful Submission: 2026-09-03 16:27:35

Reading Flask

Time of First Successful Submission: 2026-09-03 16:35:15

Commented Data

Time of First Successful Submission: 2026-09-03 16:40:00

HTTP Metadata

Time of First Successful Submission: 2026-09-03 16:47:44

HTTP (netcat)

Time of First Successful Submission: 2026-09-03 17:16:39

HTTP Paths (netcat)

Time of First Successful Submission: 2026-09-03 17:22:27

HTTP (curl)

Time of First Successful Submission: 2026-09-03 17:36:34

HTTP (python)

Time of First Successful Submission: 2026-09-03 17:47:14

HTTP Host Header (python)

Time of First Successful Submission: 2026-09-03 18:06:30

HTTP Host Header (curl)

Time of First Successful Submission: 2026-09-03 18:11:45

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-09-03 18:36:39

URL Encoding (netcat)

Time of First Successful Submission: 2026-09-03 18:54:03

HTTP GET Parameters

Time of First Successful Submission: 2026-09-03 19:25:25

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-09-03 20:07:17

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-09-03 20:33:14

HTTP Forms

Time of First Successful Submission: 2026-09-03 20:41:54

HTTP Forms (curl)

Time of First Successful Submission: 2026-09-03 20:48:12

HTTP Forms (netcat)

Time of First Successful Submission: 2026-09-03 21:01:17

HTTP Forms (python)

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

HTTP Forms Without Forms

Time of First Successful Submission: 2026-09-03 21:27:34

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-09-03 21:40:24

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-09-03 21:48:08

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-09-04 11:10:24

HTTP Redirects (curl)

Time of First Successful Submission: 2026-09-04 11:12:20

HTTP Redirects (python)

Time of First Successful Submission: 2026-09-04 11:13:58

HTTP Cookies (curl)

Time of First Successful Submission: 2026-09-04 11:23:49

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-09-04 11:34:54

HTTP Cookies (python)

Time of First Successful Submission: 2026-09-04 11:46:37

Server State (python)

Time of First Successful Submission: 2026-09-04 11:51:59

Listening Web

Time of First Successful Submission: 2026-09-04 12:15:33

Speaking Redirects

Time of First Successful Submission: 2026-09-04 12:36:58

JavaScript Redirects

Time of First Successful Submission: 2026-09-04 12:53:05

Including JavaScript

Time of First Successful Submission: 2026-09-04 13:34:16

HTTP (javascript)

Time of First Successful Submission: 2026-09-04 13:51:31

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-09-04 13:59:46

HTTP Forms (javascript)

Time of First Successful Submission: 2026-09-04 15:07:35

cat

Time of First Successful Submission: 2026-09-04 16:23:49

more

Time of First Successful Submission: 2026-09-04 16:24:18

less

Time of First Successful Submission: 2026-09-04 16:33:39

tail

Time of First Successful Submission: 2026-09-04 16:34:05

head

Time of First Successful Submission: 2026-09-04 16:34:42

sort

Time of First Successful Submission: 2026-09-04 16:35:02

vim

Time of First Successful Submission: 2026-09-04 16:35:38

emacs

Time of First Successful Submission: 2026-09-04 16:36:06

nano

Time of First Successful Submission: 2026-09-04 16:36:59

rev

Time of First Successful Submission: 2026-09-04 16:38:27

od

Time of First Successful Submission: 2026-09-04 16:41:33

hd

Time of First Successful Submission: 2026-09-04 16:44:15

xxd

Time of First Successful Submission: 2026-09-04 16:46:38

base32

Time of First Successful Submission: 2026-09-04 16:47:56

base64

Time of First Successful Submission: 2026-09-04 16:48:44

split

Time of First Successful Submission: 2026-09-04 16:54:29

gzip

Time of First Successful Submission: 2026-09-04 17:01:08

bzip2

Time of First Successful Submission: 2026-09-04 17:02:44

zip

Time of First Successful Submission: 2026-09-04 17:11:28

tar

Time of First Successful Submission: 2026-09-04 17:29:20

ar

Time of First Successful Submission: 2026-09-04 17:33:25

cpio

Time of First Successful Submission: 2026-09-04 17:40:27

genisoimage

Time of First Successful Submission: 2026-09-04 18:11:31

env

Time of First Successful Submission: 2026-09-04 18:15:39

find

Time of First Successful Submission: 2026-09-04 18:23:08

make

Time of First Successful Submission: 2026-09-04 19:12:58

nice

Time of First Successful Submission: 2026-09-04 19:14:49

timeout

Time of First Successful Submission: 2026-09-04 19:16:30

stdbuf

Time of First Successful Submission: 2026-09-04 19:18:19

setarch

Time of First Successful Submission: 2026-09-04 19:22:01

watch

Time of First Successful Submission: 2026-09-04 19:23:46

socat

Time of First Successful Submission: 2026-09-04 19:27:15

whiptail

Time of First Successful Submission: 2026-09-04 19:35:06

awk

Time of First Successful Submission: 2026-09-04 19:38:23

sed

Time of First Successful Submission: 2026-09-04 19:40:48

ed

Time of First Successful Submission: 2026-09-04 19:48:10

chown

Time of First Successful Submission: 2026-09-04 19:50:31

chmod

Time of First Successful Submission: 2026-09-04 19:52:17

cp

Time of First Successful Submission: 2026-09-06 12:46:11

mv

Time of First Successful Submission: 2026-09-06 13:05:50

perl

Time of First Successful Submission: 2026-09-06 13:16:48

python

Time of First Successful Submission: 2026-09-06 13:20:40

ruby

Time of First Successful Submission: 2026-09-06 13:23:25

bash

Time of First Successful Submission: 2026-09-06 13:29:41

date

Time of First Successful Submission: 2026-09-06 13:41:18

dmesg

Time of First Successful Submission: 2026-09-06 13:42:10

wc

Time of First Successful Submission: 2026-09-06 13:58:05

gcc

Time of First Successful Submission: 2026-09-06 14:23:06

as

Time of First Successful Submission: 2026-09-06 14:24:54

wget

Time of First Successful Submission: 2026-09-06 15:15:31

ssh-keygen

Time of First Successful Submission: 2026-09-06 16:03:52

SQL Queries

Time of First Successful Submission: 2026-09-06 16:08:25

Filtering SQL

Time of First Successful Submission: 2026-09-06 16:18:22

Choosing Columns

Time of First Successful Submission: 2026-09-06 16:20:22

Exclusionary Filtering

Time of First Successful Submission: 2026-09-06 16:22:04

Filtering Strings

Time of First Successful Submission: 2026-09-06 16:23:51

Filtering on Expressions

Time of First Successful Submission: 2026-09-06 16:33:25

SELECTing Expressions

Time of First Successful Submission: 2026-09-06 16:47:58

Composite Conditions

Time of First Successful Submission: 2026-09-06 18:00:32

Reaching Your LIMITs

Time of First Successful Submission: 2026-09-06 18:03:59

Querying Metadata

Time of First Successful Submission: 2026-09-06 18:10:05

DSU Cyber Camps

10 / 104 28411 / 72702

Using the Terminal

Time of First Successful Submission: 2026-08-22 14:00:30

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-22 14:05:01

Using the GUI Desktop

Time of First Successful Submission: 2026-08-22 14:08:18

Pasting into the Desktop

Time of First Successful Submission: 2026-08-22 14:09:59

Restarting Challenges

Time of First Successful Submission: 2026-08-22 14:17:19

Challenge Programs

Time of First Successful Submission: 2026-08-22 14:19:27

The Flag File

Time of First Successful Submission: 2026-08-22 14:21:35

Using Privileged Mode

Time of First Successful Submission: 2026-08-22 14:26:49

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-22 14:46:35

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-22 14:47:50

GCA CTF

10 / 104 28411 / 72702

Using the Terminal

Time of First Successful Submission: 2026-08-22 14:00:30

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-22 14:05:01

Using the GUI Desktop

Time of First Successful Submission: 2026-08-22 14:08:18

Pasting into the Desktop

Time of First Successful Submission: 2026-08-22 14:09:59

Restarting Challenges

Time of First Successful Submission: 2026-08-22 14:17:19

Challenge Programs

Time of First Successful Submission: 2026-08-22 14:19:27

The Flag File

Time of First Successful Submission: 2026-08-22 14:21:35

Using Privileged Mode

Time of First Successful Submission: 2026-08-22 14:26:49

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-22 14:46:35

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-22 14:47:50