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Triple Dereference

Time of First Successful Submission: 2025-12-17 14:11:36


Intro to Programming Languages

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Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-02-26 18:24:41

Commands

Time of First Successful Submission: 2026-01-30 17:55:39

Command Arguments

Time of First Successful Submission: 2026-02-07 17:30:55

Command History

Time of First Successful Submission: 2026-02-09 15:14:57

The Root Path

Time of First Successful Submission: 2026-02-10 15:58:29

Absolute Paths

Time of First Successful Submission: 2026-02-12 17:13:04

Changing position

Time of First Successful Submission: 2026-02-18 17:13:21

Changing to an Absolute Path

Time of First Successful Submission: 2026-02-19 17:56:41

Relative Paths

Time of First Successful Submission: 2026-03-06 04:56:57

Cat

Time of First Successful Submission: 2026-03-07 17:31:31

Lecture 2.1.1.0 Paradigms and C

Time of First Successful Submission: 2026-02-16 14:04:28

Lecture 2.1.2. First C Program and Vars

Time of First Successful Submission: 2026-02-17 16:15:58

Lecture 2.1.2.1. Standard Output

Time of First Successful Submission: 2026-02-17 16:24:59

Lecture 2.1.2.2. Standard In

Time of First Successful Submission: 2026-02-17 17:48:18

Lab 2.1.2.1 - C Input

Time of First Successful Submission: 2026-02-20 18:05:37

Lecture 2.1.2.3. Flow Control & Command Line Arguments

Time of First Successful Submission: 2026-02-21 18:24:38

EzLab 2.1.2.3 - Control Flow

Time of First Successful Submission: 2026-02-22 18:19:23

Lecture 2.1.3.0 Dec & Def Functions

Time of First Successful Submission: 2026-02-23 17:13:54

Lecture 2.1.3.1. Globals & Locals

Time of First Successful Submission: 2026-02-27 17:36:54

Lecture 2.1.3.2. Function Params and Ret Vals

Time of First Successful Submission: 2026-02-28 17:24:46

EzLab 2.1.3.2 Pass by Value

Time of First Successful Submission: 2026-03-01 17:20:44

Lecture 2.1.4. Global and Local Memory

Time of First Successful Submission: 2026-03-02 16:46:24

Lecture 2.1.4.1. Function Frames

Time of First Successful Submission: 2026-03-03 17:48:12


Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2025-12-28 08:48:58

Path Traversal 2

Time of First Successful Submission: 2025-12-28 10:05:44

CMDi 1

Time of First Successful Submission: 2025-12-28 10:47:21

CMDi 2

Time of First Successful Submission: 2025-12-28 11:37:19

CMDi 3

Time of First Successful Submission: 2025-12-28 11:46:36

CMDi 4

Time of First Successful Submission: 2025-12-28 11:56:59

CMDi 5

Time of First Successful Submission: 2025-12-28 12:09:06

CMDi 6

Time of First Successful Submission: 2025-12-28 13:15:37

Authentication Bypass 1

Time of First Successful Submission: 2025-12-29 03:20:19

Authentication Bypass 2

Time of First Successful Submission: 2025-12-29 03:28:29

SQLi 1

Time of First Successful Submission: 2025-12-29 03:52:09

SQLi 2

Time of First Successful Submission: 2025-12-29 04:06:22

SQLi 3

Time of First Successful Submission: 2025-12-29 04:18:14

SQLi 4

Time of First Successful Submission: 2025-12-29 04:31:24

SQLi 5

Time of First Successful Submission: 2025-12-29 05:33:06

XSS 1

Time of First Successful Submission: 2025-12-29 18:14:08

XSS 2

Time of First Successful Submission: 2025-12-29 18:20:00

XSS 3

Time of First Successful Submission: 2025-12-29 18:25:48

XSS 4

Time of First Successful Submission: 2025-12-29 18:32:23

XSS 5

Time of First Successful Submission: 2025-12-30 06:32:32

XSS 6

Time of First Successful Submission: 2025-12-30 06:40:19

XSS 7

Time of First Successful Submission: 2025-12-30 08:02:32

CSRF 1

Time of First Successful Submission: 2025-12-30 18:13:10

CSRF 2

Time of First Successful Submission: 2025-12-30 20:09:06

CSRF 3

Time of First Successful Submission: 2025-12-31 06:55:07

CSRF 4

Time of First Successful Submission: 2025-12-31 07:30:57

CSRF 5

Time of First Successful Submission: 2025-12-31 08:45:57

Connect

Time of First Successful Submission: 2026-01-01 08:49:28

Send

Time of First Successful Submission: 2026-01-01 13:10:12

Shutdown

Time of First Successful Submission: 2026-01-01 13:29:58

Listen

Time of First Successful Submission: 2026-01-01 13:50:45

Scan 1

Time of First Successful Submission: 2026-01-01 14:10:06

Scan 2

Time of First Successful Submission: 2026-01-01 19:40:36

Monitor 1

Time of First Successful Submission: 2026-01-02 21:00:48

Monitor 2

Time of First Successful Submission: 2026-01-02 21:11:48

Sniffing Cookies

Time of First Successful Submission: 2026-01-03 07:19:28

Network Configuration

Time of First Successful Submission: 2026-01-03 07:33:47

Firewall 1

Time of First Successful Submission: 2026-01-03 07:40:41

Firewall 2

Time of First Successful Submission: 2026-01-03 07:58:19

Firewall 3

Time of First Successful Submission: 2026-01-03 08:07:51

Denial of Service 1

Time of First Successful Submission: 2026-01-03 13:25:24

Denial of Service 2

Time of First Successful Submission: 2026-01-03 13:28:46

Denial of Service 3

Time of First Successful Submission: 2026-01-03 13:59:21

Ethernet

Time of First Successful Submission: 2026-01-15 06:28:23

IP

Time of First Successful Submission: 2026-01-15 07:14:54

TCP

Time of First Successful Submission: 2026-01-15 08:48:58

TCP Handshake

Time of First Successful Submission: 2026-01-15 11:07:14

UDP

Time of First Successful Submission: 2026-01-15 19:38:42

UDP 2

Time of First Successful Submission: 2026-01-15 19:53:05

UDP Spoofing 1

Time of First Successful Submission: 2026-01-15 20:05:41

UDP Spoofing 2

Time of First Successful Submission: 2026-01-15 20:32:06

UDP Spoofing 3

Time of First Successful Submission: 2026-01-15 20:52:33

UDP Spoofing 4

Time of First Successful Submission: 2026-01-15 21:07:06

ARP

Time of First Successful Submission: 2026-01-15 21:39:40

Intercept

Time of First Successful Submission: 2026-01-15 22:05:06

Man-in-the-Middle

Time of First Successful Submission: 2026-01-16 06:42:56

XOR

Time of First Successful Submission: 2026-01-17 10:25:31

XORing Hex

Time of First Successful Submission: 2026-01-17 10:48:10

XORing ASCII

Time of First Successful Submission: 2026-01-17 11:01:41

XORing ASCII Strings

Time of First Successful Submission: 2026-01-17 11:17:18

One-time Pad

Time of First Successful Submission: 2026-01-17 12:21:13

One-time Pad Tampering

Time of First Successful Submission: 2026-01-17 12:30:01

Many-time Pad

Time of First Successful Submission: 2026-01-17 13:00:03

AES

Time of First Successful Submission: 2026-01-17 13:15:23

AES-ECB-CPA

Time of First Successful Submission: 2026-01-17 14:16:43

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-01-18 14:00:52

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-01-18 14:16:49

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-01-18 14:27:51

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-01-18 19:24:30

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-01-18 19:35:42

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-01-19 10:35:00

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-01-19 15:48:34

AES-CBC

Time of First Successful Submission: 2026-01-20 13:10:08

AES-CBC Tampering

Time of First Successful Submission: 2026-01-20 14:33:07

AES-CBC Resizing

Time of First Successful Submission: 2026-01-20 15:22:33

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-01-21 12:31:32

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-01-21 13:05:56

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-01-21 13:34:55

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-01-22 11:59:30

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-01-22 12:17:30

DHKE

Time of First Successful Submission: 2026-01-23 10:44:18

DHKE-to-AES

Time of First Successful Submission: 2026-01-23 10:55:42

RSA 1

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

RSA 2

Time of First Successful Submission: 2026-01-24 03:45:45

RSA 3

Time of First Successful Submission: 2026-01-24 03:51:27

RSA 4

Time of First Successful Submission: 2026-01-24 04:21:44

RSA Signatures

Time of First Successful Submission: 2026-01-24 05:06:29

SHA 1

Time of First Successful Submission: 2026-01-24 06:41:39

SHA 2

Time of First Successful Submission: 2026-01-24 07:05:33

TLS 1

Time of First Successful Submission: 2026-01-24 12:10:14

TLS 2

Time of First Successful Submission: 2026-01-24 13:18:00

level1

Time of First Successful Submission: 2026-01-25 09:21:57

level2

Time of First Successful Submission: 2026-01-25 09:23:26

level3

Time of First Successful Submission: 2026-01-25 09:25:22

level4

Time of First Successful Submission: 2026-01-25 09:44:55

level5

Time of First Successful Submission: 2026-01-25 09:48:52

level6

Time of First Successful Submission: 2026-01-25 14:41:09

level7

Time of First Successful Submission: 2026-01-26 13:44:24

level8

Time of First Successful Submission: 2026-01-26 13:46:39

level9

Time of First Successful Submission: 2026-01-26 13:49:20

level10

Time of First Successful Submission: 2026-01-26 13:52:20

level11

Time of First Successful Submission: 2026-01-26 13:57:29

level12

Time of First Successful Submission: 2026-01-26 14:07:36

level13

Time of First Successful Submission: 2026-01-27 04:13:02

level14

Time of First Successful Submission: 2026-01-27 04:37:36

level15

Time of First Successful Submission: 2026-01-27 04:39:23

level16

Time of First Successful Submission: 2026-01-27 06:09:06

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-01-28 17:07:15

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-01-29 18:13:49

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-01-31 10:34:44

Reading Endianness (Python)

Time of First Successful Submission: 2026-01-31 14:37:23

Reading Endianness (C)

Time of First Successful Submission: 2026-02-01 09:47:20

Reading Endianness (x86)

Time of First Successful Submission: 2026-02-01 09:55:54

Version Information (Python)

Time of First Successful Submission: 2026-02-01 11:10:34

Version Information (C)

Time of First Successful Submission: 2026-02-01 12:15:12

Version Information (x86)

Time of First Successful Submission: 2026-02-01 12:25:34

Metadata and Data (Python)

Time of First Successful Submission: 2026-02-02 05:06:18

Metadata and Data (C)

Time of First Successful Submission: 2026-02-03 06:35:08

Metadata and Data (x86)

Time of First Successful Submission: 2026-02-03 06:57:57

Input Restrictions (Python)

Time of First Successful Submission: 2026-02-03 07:12:51

Input Restrictions (C)

Time of First Successful Submission: 2026-02-03 09:02:54

Input Restrictions (x86)

Time of First Successful Submission: 2026-02-03 09:23:34

Behold the cIMG! (Python)

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

Behold the cIMG! (C)

Time of First Successful Submission: 2026-02-04 16:50:12

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-02-04 17:17:33

A Basic cIMG (Python)

Time of First Successful Submission: 2026-02-05 03:42:31

A Basic cIMG (C)

Time of First Successful Submission: 2026-02-05 03:55:47

A Basic cIMG (x86)

Time of First Successful Submission: 2026-02-06 04:59:23

Internal State Mini (C)

Time of First Successful Submission: 2026-02-08 13:47:44

Internal State Mini (x86)

Time of First Successful Submission: 2026-02-11 05:35:11

Internal State (C)

Time of First Successful Submission: 2026-02-13 05:46:46

Internal State (x86)

Time of First Successful Submission: 2026-02-14 12:22:02

File Formats: Directives (C)

Time of First Successful Submission: 2026-02-15 16:58:33

File Formats: Directives (x86)

Time of First Successful Submission: 2026-02-15 17:45:54

The Patch Directive

Time of First Successful Submission: 2026-02-21 19:52:33

Optimizing for Space

Time of First Successful Submission: 2026-02-24 06:29:35

Tweaking Images

Time of First Successful Submission: 2026-02-25 12:50:15

Storage and Retrieval

Time of First Successful Submission: 2026-03-04 12:20:00

Extracting Knowledge

Time of First Successful Submission: 2026-03-04 19:35:18

Advanced Sprites

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

Accessing Resources

Time of First Successful Submission: 2026-03-06 04:49:20

Unsafe Animations

Time of First Successful Submission: 2026-04-01 09:30:56

Animations

Time of First Successful Submission: 2026-04-02 04:15:36


Start Here

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Using the Terminal

Time of First Successful Submission: 2025-12-07 19:08:11

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-07 19:11:34

Using the GUI Desktop

Time of First Successful Submission: 2025-12-07 19:13:31

Pasting into the Desktop

Time of First Successful Submission: 2025-12-07 19:15:06

Restarting Challenges

Time of First Successful Submission: 2025-12-07 19:19:00

Challenge Programs

Time of First Successful Submission: 2025-12-07 19:24:43

The Flag File

Time of First Successful Submission: 2025-12-07 19:26:45

Using Privileged Mode

Time of First Successful Submission: 2025-12-07 19:30:14

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-07 19:31:59

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-07 19:32:50


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-30 17:55:39

Intro to Arguments

Time of First Successful Submission: 2026-02-07 17:30:55

Command History

Time of First Successful Submission: 2026-02-09 15:14:57

The Root

Time of First Successful Submission: 2026-02-10 15:58:29

Program and absolute paths

Time of First Successful Submission: 2026-02-12 17:13:04

Position thy self

Time of First Successful Submission: 2026-02-18 17:13:21

Position elsewhere

Time of First Successful Submission: 2026-02-19 17:56:41

implicit relative paths, from /

Time of First Successful Submission: 2026-03-06 04:56:57

explicit relative paths, from /

Time of First Successful Submission: 2026-03-06 04:58:13

implicit relative path

Time of First Successful Submission: 2026-03-06 04:59:06

home sweet home

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

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-07 17:31:31

catting absolute paths

Time of First Successful Submission: 2026-03-08 17:15:01

more catting practice

Time of First Successful Submission: 2026-03-09 16:58:04


Computing 101

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Your First Register

Time of First Successful Submission: 2025-12-10 10:38:32

Your First Syscall

Time of First Successful Submission: 2025-12-10 10:47:26

Exit Codes

Time of First Successful Submission: 2025-12-10 10:53:34

Building Executables

Time of First Successful Submission: 2025-12-10 11:29:22

Moving Between Registers

Time of First Successful Submission: 2025-12-10 11:46:54

Loading From Memory

Time of First Successful Submission: 2025-12-17 13:14:08

More Loading Practice

Time of First Successful Submission: 2025-12-17 13:19:15

Dereferencing Pointers

Time of First Successful Submission: 2025-12-17 13:32:20

Dereferencing Yourself

Time of First Successful Submission: 2025-12-17 13:38:19

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-17 13:44:16

Stored Addresses

Time of First Successful Submission: 2025-12-17 13:49:36

Double Dereference

Time of First Successful Submission: 2025-12-17 13:59:55

Tracing Syscalls

Time of First Successful Submission: 2025-12-11 10:29:55

Starting GDB

Time of First Successful Submission: 2025-12-11 10:36:11

Starting Programs in GDB

Time of First Successful Submission: 2025-12-11 10:41:28

Writing Output

Time of First Successful Submission: 2025-12-17 17:41:24

Chaining Syscalls

Time of First Successful Submission: 2025-12-17 17:44:33

Writing Strings

Time of First Successful Submission: 2025-12-17 17:48:26

Reading Data

Time of First Successful Submission: 2025-12-17 17:55:51

set-register

Time of First Successful Submission: 2025-12-18 14:12:21

set-multiple-registers

Time of First Successful Submission: 2025-12-18 14:31:03

add-to-register

Time of First Successful Submission: 2025-12-18 14:34:32

linear-equation-registers

Time of First Successful Submission: 2025-12-18 14:42:44

integer-division

Time of First Successful Submission: 2025-12-18 14:48:31

modulo-operation

Time of First Successful Submission: 2025-12-18 14:57:53

set-upper-byte

Time of First Successful Submission: 2025-12-18 15:08:13

efficient-modulo

Time of First Successful Submission: 2025-12-18 15:24:04

byte-extraction

Time of First Successful Submission: 2025-12-18 15:53:38

bitwise-and

Time of First Successful Submission: 2025-12-18 15:58:37

check-even

Time of First Successful Submission: 2025-12-18 16:50:32

memory-read

Time of First Successful Submission: 2025-12-18 17:27:59

memory-write

Time of First Successful Submission: 2025-12-18 17:29:41

memory-increment

Time of First Successful Submission: 2025-12-18 17:40:44

byte-access

Time of First Successful Submission: 2025-12-18 17:43:59

memory-size-access

Time of First Successful Submission: 2025-12-18 17:53:05

little-endian-write

Time of First Successful Submission: 2025-12-18 18:19:25

memory-sum

Time of First Successful Submission: 2025-12-18 18:29:55

stack-subtraction

Time of First Successful Submission: 2025-12-18 18:35:59

swap-stack-values

Time of First Successful Submission: 2025-12-18 18:39:10

average-stack-values

Time of First Successful Submission: 2025-12-18 18:55:36

absolute-jump

Time of First Successful Submission: 2025-12-18 19:00:06

relative-jump

Time of First Successful Submission: 2025-12-19 11:40:00

jump-trampoline

Time of First Successful Submission: 2025-12-19 11:49:42

conditional-jump

Time of First Successful Submission: 2025-12-19 12:10:09

indirect-jump

Time of First Successful Submission: 2025-12-19 13:11:51

average-loop

Time of First Successful Submission: 2025-12-19 13:39:15

count-non-zero

Time of First Successful Submission: 2025-12-19 13:58:25

string-lower

Time of First Successful Submission: 2025-12-19 17:12:05

most-common-byte

Time of First Successful Submission: 2025-12-22 11:59:31

Exit

Time of First Successful Submission: 2025-12-25 21:22:14

Socket

Time of First Successful Submission: 2025-12-25 21:36:32

Bind

Time of First Successful Submission: 2025-12-26 11:21:52

Listen

Time of First Successful Submission: 2025-12-26 11:33:23

Accept

Time of First Successful Submission: 2025-12-26 11:37:57

Static Response

Time of First Successful Submission: 2025-12-26 13:13:01

Dynamic Response

Time of First Successful Submission: 2025-12-26 20:33:21

Iterative GET Server

Time of First Successful Submission: 2025-12-26 20:45:32

Concurrent GET Server

Time of First Successful Submission: 2025-12-27 05:45:58

Concurrent POST Server

Time of First Successful Submission: 2025-12-27 15:11:57

Web Server

Time of First Successful Submission: 2025-12-27 15:43:06

Debugging Programs

Time of First Successful Submission: 2025-12-24 05:55:03

Inspecting Registers

Time of First Successful Submission: 2025-12-24 05:58:47

Examining Memory

Time of First Successful Submission: 2025-12-24 06:24:13

Setting Breakpoints

Time of First Successful Submission: 2025-12-24 09:33:48

GDB Scripting

Time of First Successful Submission: 2025-12-24 09:55:53

Modifying Data

Time of First Successful Submission: 2025-12-25 19:28:44

Modifying Execution

Time of First Successful Submission: 2025-12-25 19:38:08

Broken Functions

Time of First Successful Submission: 2025-12-25 20:18:46


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-01-03 15:07:05

... and again!

Time of First Successful Submission: 2026-01-03 15:08:30

Newline Troubles

Time of First Successful Submission: 2026-01-03 15:16:00

Reasoning about files

Time of First Successful Submission: 2026-01-03 16:35:57

Specifying Filenames

Time of First Successful Submission: 2026-01-03 16:36:59

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-04 06:41:50

More Hex

Time of First Successful Submission: 2026-01-04 06:43:58

Decoding Hex

Time of First Successful Submission: 2026-01-04 06:53:59

Decoding Practice

Time of First Successful Submission: 2026-01-04 07:10:42

Encoding Practice

Time of First Successful Submission: 2026-01-04 08:12:30

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-04 08:39:24

Nested Encoding

Time of First Successful Submission: 2026-01-04 08:47:53

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-04 10:24:22

UTF Mixups

Time of First Successful Submission: 2026-01-05 05:20:05

Modifying Encoded Data

Time of First Successful Submission: 2026-01-05 05:35:16

Decoding Base64

Time of First Successful Submission: 2026-01-05 09:40:13

Encoding Base64

Time of First Successful Submission: 2026-01-05 16:03:29

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-05 16:09:25

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-08 15:21:40

Your First HTTP Request

Time of First Successful Submission: 2026-01-06 16:27:32

Reading Flask

Time of First Successful Submission: 2026-01-06 19:24:10

Commented Data

Time of First Successful Submission: 2026-01-07 15:22:54

HTTP Metadata

Time of First Successful Submission: 2026-01-07 15:25:30

HTTP (netcat)

Time of First Successful Submission: 2026-01-07 15:28:42

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-07 15:31:22

HTTP (curl)

Time of First Successful Submission: 2026-01-07 18:21:27

HTTP (python)

Time of First Successful Submission: 2026-01-07 18:27:42

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-07 18:37:42

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-07 18:41:24

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-07 19:00:43

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-08 06:22:48

HTTP GET Parameters

Time of First Successful Submission: 2026-01-08 08:58:53

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-08 09:32:48

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-08 09:39:32

HTTP Forms

Time of First Successful Submission: 2026-01-08 10:09:30

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-08 10:17:32

HTTP Forms (netcat)

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

HTTP Forms (python)

Time of First Successful Submission: 2026-01-09 05:20:18

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-09 05:29:47

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-09 05:44:00

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-09 17:27:41

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-09 17:33:43

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-09 17:35:13

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-09 17:37:33

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-09 17:44:07

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-09 17:51:15

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-09 18:00:06

Server State (python)

Time of First Successful Submission: 2026-01-09 18:05:23

Listening Web

Time of First Successful Submission: 2026-01-09 18:08:24

Speaking Redirects

Time of First Successful Submission: 2026-01-09 18:28:44

JavaScript Redirects

Time of First Successful Submission: 2026-01-10 13:10:10

Including JavaScript

Time of First Successful Submission: 2026-01-10 13:33:15

HTTP (javascript)

Time of First Successful Submission: 2026-01-12 14:40:15

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-12 14:56:38

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-12 16:33:24

cat

Time of First Successful Submission: 2026-01-11 14:19:31

more

Time of First Successful Submission: 2026-01-13 17:06:35

less

Time of First Successful Submission: 2026-01-13 17:07:30

tail

Time of First Successful Submission: 2026-01-13 17:08:30

head

Time of First Successful Submission: 2026-01-13 17:08:58

sort

Time of First Successful Submission: 2026-01-13 17:09:19

vim

Time of First Successful Submission: 2026-01-13 17:09:54

emacs

Time of First Successful Submission: 2026-01-13 17:11:25

nano

Time of First Successful Submission: 2026-01-13 17:12:47

rev

Time of First Successful Submission: 2026-01-13 17:13:44

od

Time of First Successful Submission: 2026-01-13 17:22:02

hd

Time of First Successful Submission: 2026-01-13 17:23:19

xxd

Time of First Successful Submission: 2026-01-13 17:25:16

base32

Time of First Successful Submission: 2026-01-13 17:25:52

base64

Time of First Successful Submission: 2026-01-13 17:26:51

split

Time of First Successful Submission: 2026-01-13 17:31:33

gzip

Time of First Successful Submission: 2026-01-13 17:39:19

bzip2

Time of First Successful Submission: 2026-01-13 17:40:42

zip

Time of First Successful Submission: 2026-01-13 17:43:50

tar

Time of First Successful Submission: 2026-01-14 08:32:00

ar

Time of First Successful Submission: 2026-01-14 08:39:22

cpio

Time of First Successful Submission: 2026-01-14 08:42:48

genisoimage

Time of First Successful Submission: 2026-01-14 09:28:51

env

Time of First Successful Submission: 2026-01-14 09:30:27

find

Time of First Successful Submission: 2026-01-14 09:32:18

make

Time of First Successful Submission: 2026-01-14 09:34:01

nice

Time of First Successful Submission: 2026-01-14 09:34:37

timeout

Time of First Successful Submission: 2026-01-14 09:35:10

stdbuf

Time of First Successful Submission: 2026-01-14 09:36:32

setarch

Time of First Successful Submission: 2026-01-14 09:37:35

watch

Time of First Successful Submission: 2026-01-14 09:38:55

socat

Time of First Successful Submission: 2026-01-14 09:41:06

whiptail

Time of First Successful Submission: 2026-01-14 09:43:48

awk

Time of First Successful Submission: 2026-01-14 09:50:51

sed

Time of First Successful Submission: 2026-01-14 09:53:50

ed

Time of First Successful Submission: 2026-01-14 09:55:56

chown

Time of First Successful Submission: 2026-01-14 09:56:53

chmod

Time of First Successful Submission: 2026-01-14 09:57:33

cp

Time of First Successful Submission: 2026-01-14 09:59:52

mv

Time of First Successful Submission: 2026-01-14 10:35:11

perl

Time of First Successful Submission: 2026-01-14 10:37:39

python

Time of First Successful Submission: 2026-01-14 10:43:03

ruby

Time of First Successful Submission: 2026-01-14 10:44:50

bash

Time of First Successful Submission: 2026-01-14 10:47:24

date

Time of First Successful Submission: 2026-01-14 10:48:50

dmesg

Time of First Successful Submission: 2026-01-14 10:49:30

wc

Time of First Successful Submission: 2026-01-14 10:50:51

gcc

Time of First Successful Submission: 2026-01-14 10:53:06

as

Time of First Successful Submission: 2026-01-14 10:53:32

wget

Time of First Successful Submission: 2026-01-14 10:56:57

ssh-keygen

Time of First Successful Submission: 2026-01-14 11:03:55

SQL Queries

Time of First Successful Submission: 2026-01-14 11:48:37

Filtering SQL

Time of First Successful Submission: 2026-01-14 11:50:39

Choosing Columns

Time of First Successful Submission: 2026-01-14 11:52:08

Exclusionary Filtering

Time of First Successful Submission: 2026-01-14 11:57:34

Filtering Strings

Time of First Successful Submission: 2026-01-14 11:58:32

Filtering on Expressions

Time of First Successful Submission: 2026-01-14 12:03:46

SELECTing Expressions

Time of First Successful Submission: 2026-01-14 12:25:44

Composite Conditions

Time of First Successful Submission: 2026-01-14 12:31:01

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-14 12:54:32

Querying Metadata

Time of First Successful Submission: 2026-01-14 12:56:35


GCA CTF

12 / 104 622 / 43532


Using the Terminal

Time of First Successful Submission: 2025-12-07 19:08:11

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-07 19:11:34

Using the GUI Desktop

Time of First Successful Submission: 2025-12-07 19:13:31

Pasting into the Desktop

Time of First Successful Submission: 2025-12-07 19:15:06

Connecting over SSH

Time of First Successful Submission: 2025-12-07 19:16:15

Restarting Challenges

Time of First Successful Submission: 2025-12-07 19:19:00

Getting Help

Time of First Successful Submission: 2025-12-07 19:21:47

Challenge Programs

Time of First Successful Submission: 2025-12-07 19:24:43

The Flag File

Time of First Successful Submission: 2025-12-07 19:26:45

Using Privileged Mode

Time of First Successful Submission: 2025-12-07 19:30:14

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-07 19:31:59

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-07 19:32:50