mckaylandon

Intro to Programming Languages

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Commands

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Command Arguments

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The Root Path

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Absolute Paths

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Changing position

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Changing to an Absolute Path

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Relative Paths

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Cat

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Ls

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Ls All

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Find

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Piping Echo

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Piping Stdout

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Piping Stdin

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Intro to Cybersecurity

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Path Traversal 1

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Path Traversal 2

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CMDi 1

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CMDi 2

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CMDi 3

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CMDi 4

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CMDi 5

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CMDi 6

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Authentication Bypass 1

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Authentication Bypass 2

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SQLi 1

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SQLi 2

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SQLi 3

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SQLi 4

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SQLi 5

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XSS 1

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XSS 2

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XSS 3

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XSS 4

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XSS 5

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XSS 6

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XSS 7

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CSRF 1

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CSRF 2

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CSRF 3

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CSRF 4

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CSRF 5

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Connect

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Send

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Shutdown

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Listen

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Scan 1

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Scan 2

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Monitor 1

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Monitor 2

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Sniffing Cookies

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Network Configuration

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Firewall 1

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Firewall 2

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Firewall 3

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Denial of Service 1

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Denial of Service 2

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Denial of Service 3

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Ethernet

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IP

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TCP

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TCP Handshake

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UDP

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UDP 2

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UDP Spoofing 1

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UDP Spoofing 2

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UDP Spoofing 3

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UDP Spoofing 4

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ARP

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Intercept

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Man-in-the-Middle

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XOR

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XORing Hex

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XORing ASCII

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XORing ASCII Strings

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One-time Pad

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One-time Pad Tampering

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Many-time Pad

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AES

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AES-ECB-CPA

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AES-ECB-CPA-HTTP

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AES-ECB-CPA-Suffix

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AES-ECB-CPA-Prefix

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AES-ECB-CPA-Prefix-2

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AES-ECB-CPA-Prefix-Miniboss

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AES-ECB-CPA-Prefix-Boss

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AES-CBC

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AES-CBC Tampering

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AES-CBC Resizing

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AES-CBC-POA-Partial-Block

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AES-CBC-POA-Full-Block

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AES-CBC-POA-Multi-Block

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AES-CBC-POA-Encrypt

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AES-CBC-POA-Encrypt-2

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DHKE

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DHKE-to-AES

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RSA 1

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RSA 2

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RSA 3

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RSA 4

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RSA Signatures

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SHA 1

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SHA 2

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TLS 1

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TLS 2

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level1

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level2

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level3

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level4

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level5

Time of First Successful Submission: 2026-01-24 22:26:18

level6

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level7

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level8

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level9

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level10

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level11

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level12

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level13

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level14

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level15

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level16

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level17

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level18

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level19

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Start Here

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Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 23:02:57

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 23:06:36

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 23:09:11

Restarting Challenges

Time of First Successful Submission: 2026-01-13 23:11:06

Challenge Programs

Time of First Successful Submission: 2026-01-13 23:16:37

The Flag File

Time of First Successful Submission: 2026-01-13 23:21:36

Using Privileged Mode

Time of First Successful Submission: 2026-01-13 23:39:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-13 23:41:34

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-13 23:43:30

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-14 00:37:49

Intro to Arguments

Time of First Successful Submission: 2026-01-14 00:39:14

The Root

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

Program and absolute paths

Time of First Successful Submission: 2026-01-14 01:49:58

Position thy self

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

Position elsewhere

Time of First Successful Submission: 2026-01-14 01:53:21

implicit relative paths, from /

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

explicit relative paths, from /

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implicit relative path

Time of First Successful Submission: 2026-01-14 02:03:47

home sweet home

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cat: not the pet, but the command!

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catting absolute paths

Time of First Successful Submission: 2026-01-14 02:55:36

more catting practice

Time of First Successful Submission: 2026-01-14 02:56:28

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-14 02:57:43

listing files

Time of First Successful Submission: 2026-01-14 03:06:31

touching files

Time of First Successful Submission: 2026-01-14 03:12:29

removing files

Time of First Successful Submission: 2026-01-14 03:13:35

hidden files

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

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-14 03:19:43

making directories

Time of First Successful Submission: 2026-01-14 03:20:48

finding files

Time of First Successful Submission: 2026-01-14 03:38:52

linking files

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Learning From Documentation

Time of First Successful Submission: 2026-01-14 03:52:50

Learning Complex Usage

Time of First Successful Submission: 2026-01-14 03:55:28

Reading Manuals

Time of First Successful Submission: 2026-01-14 03:58:43

Searching Manuals

Time of First Successful Submission: 2026-01-14 04:00:23

Searching For Manuals

Time of First Successful Submission: 2026-01-14 04:04:25

Helpful Programs

Time of First Successful Submission: 2026-01-14 04:09:15

Matching with *

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Matching with ?

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Matching with []

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Matching paths with []

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Mixing globs

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Exclusionary globbing

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Redirecting output

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Redirecting more output

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Appending output

Time of First Successful Submission: 2026-01-20 23:56:38

Redirecting errors

Time of First Successful Submission: 2026-01-21 00:04:04

Redirecting input

Time of First Successful Submission: 2026-01-21 00:06:21

Grepping stored results

Time of First Successful Submission: 2026-01-21 00:08:28

Grepping live output

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Grepping errors

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Duplicating piped data with tee

Time of First Successful Submission: 2026-01-21 00:31:56

Writing to multiple programs

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Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-21 03:38:54

Printing Variables

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Setting Variables

Time of First Successful Submission: 2026-01-21 03:43:29

Multi-word Variables

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Exporting Variables

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Printing Exported Variables

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Storing Command Output

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Reading Input

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Reading Files

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Listing Processes

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Killing Processes

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Interrupting Processes

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Suspending Processes

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Resuming Processes

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Backgrounding Processes

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Foregrounding Processes

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Starting Backgrounded Processes

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Process Exit Codes

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Becoming root with su

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Other users with su

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Cracking passwords

Time of First Successful Submission: 2026-01-21 18:05:58

Using sudo

Time of First Successful Submission: 2026-01-21 18:16:42

Changing File Ownership

Time of First Successful Submission: 2026-01-21 17:23:15

Groups and Files

Time of First Successful Submission: 2026-01-21 17:27:22

Fun With Groups Names

Time of First Successful Submission: 2026-01-21 17:28:39

Changing Permissions

Time of First Successful Submission: 2026-01-21 17:34:42

Executable Files

Time of First Successful Submission: 2026-01-21 17:36:03

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-21 17:41:55

Permissions Setting Practice

Time of First Successful Submission: 2026-01-21 17:50:09

The SUID Bit

Time of First Successful Submission: 2026-01-21 17:54:08

Chaining with Semicolons

Time of First Successful Submission: 2026-01-21 18:18:40

Building on Success

Time of First Successful Submission: 2026-01-21 18:19:47

Your First Shell Script

Time of First Successful Submission: 2026-01-21 18:22:25

Redirecting Script Output

Time of First Successful Submission: 2026-01-21 22:19:23

Executable Shell Scripts

Time of First Successful Submission: 2026-01-21 22:23:35

The PATH Variable

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Setting PATH

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Adding Commands

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Hijacking Commands

Time of First Successful Submission: 2026-01-22 03:02:59

Playing With Programs

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Your First HTTP Request

Time of First Successful Submission: 2026-03-04 00:03:43

Reading Flask

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Commented Data

Time of First Successful Submission: 2026-03-04 00:29:36

HTTP Metadata

Time of First Successful Submission: 2026-03-04 00:33:59

HTTP (netcat)

Time of First Successful Submission: 2026-03-04 16:27:44

HTTP Paths (netcat)

Time of First Successful Submission: 2026-03-04 16:34:27

HTTP (curl)

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HTTP (python)

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HTTP Host Header (python)

Time of First Successful Submission: 2026-03-04 17:28:47

HTTP Host Header (curl)

Time of First Successful Submission: 2026-03-04 17:40:14

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-03-04 17:44:36

URL Encoding (netcat)

Time of First Successful Submission: 2026-03-04 17:54:33

HTTP GET Parameters

Time of First Successful Submission: 2026-03-04 17:57:16

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-03-04 18:00:28

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-03-04 18:11:04

HTTP Forms

Time of First Successful Submission: 2026-03-05 02:40:04

HTTP Forms (curl)

Time of First Successful Submission: 2026-03-05 02:45:53

HTTP Forms (netcat)

Time of First Successful Submission: 2026-03-05 02:51:24

HTTP Forms (python)

Time of First Successful Submission: 2026-03-05 03:23:52

HTTP Forms Without Forms

Time of First Successful Submission: 2026-03-05 03:56:49

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-03-10 23:06:43

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-03-11 00:08:25

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-03-11 15:31:56

HTTP Redirects (curl)

Time of First Successful Submission: 2026-03-11 15:34:13

HTTP Redirects (python)

Time of First Successful Submission: 2026-03-11 16:10:17

HTTP Cookies (curl)

Time of First Successful Submission: 2026-03-11 16:23:10

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-03-11 16:35:42

HTTP Cookies (python)

Time of First Successful Submission: 2026-03-11 16:40:41

Server State (python)

Time of First Successful Submission: 2026-03-11 16:50:29

Listening Web

Time of First Successful Submission: 2026-03-11 17:08:44

Speaking Redirects

Time of First Successful Submission: 2026-03-11 18:25:05

JavaScript Redirects

Time of First Successful Submission: 2026-03-11 18:48:18

Including JavaScript

Time of First Successful Submission: 2026-03-15 05:02:41

HTTP (javascript)

Time of First Successful Submission: 2026-03-15 05:10:04

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-03-15 05:14:04

HTTP Forms (javascript)

Time of First Successful Submission: 2026-03-15 05:17:31

GCA CTF

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Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 23:02:57

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 23:06:36

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 23:09:11

Connecting over SSH

Time of First Successful Submission: 2026-01-14 00:35:17

Restarting Challenges

Time of First Successful Submission: 2026-01-13 23:11:06

Getting Help

Time of First Successful Submission: 2026-01-13 23:13:28

Challenge Programs

Time of First Successful Submission: 2026-01-13 23:16:37

The Flag File

Time of First Successful Submission: 2026-01-13 23:21:36

Using Privileged Mode

Time of First Successful Submission: 2026-01-13 23:39:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-13 23:41:34

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-13 23:43:30