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Intro to Cybersecurity

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Connect

Time of First Successful Submission: 2025-01-24 13:30:36

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

Time of First Successful Submission: 2025-01-26 04:00:50

Network Configuration

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Ethernet

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IP

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TCP

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XOR

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XORing Hex

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XORing ASCII

Time of First Successful Submission: 2025-01-27 07:45:22

XORing ASCII Strings

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One-time Pad

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Many-time Pad

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AES

Time of First Successful Submission: 2025-01-27 11:28:00

level1

Time of First Successful Submission: 2025-01-26 07:50:58

level2

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level3

Time of First Successful Submission: 2025-01-26 07:57:28

level4

Time of First Successful Submission: 2025-01-26 08:01:17

level5

Time of First Successful Submission: 2025-01-26 08:28:22

level6

Time of First Successful Submission: 2025-01-26 08:45:45

level7

Time of First Successful Submission: 2025-01-26 08:51:17

level8

Time of First Successful Submission: 2025-01-26 08:53:05

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

Time of First Successful Submission: 2025-01-26 10:20:42

level16

Time of First Successful Submission: 2025-01-26 10:24:27

Program Security

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level1.0

Time of First Successful Submission: 2025-02-08 08:43:25

level1.1

Time of First Successful Submission: 2025-02-11 07:10:33

level2.0

Time of First Successful Submission: 2025-02-11 07:22:58

level2.1

Time of First Successful Submission: 2025-02-11 07:47:59

level3.0

Time of First Successful Submission: 2025-02-12 13:56:55

level3.1

Time of First Successful Submission: 2025-02-12 14:11:08

level4.0

Time of First Successful Submission: 2025-02-12 14:17:59

level4.1

Time of First Successful Submission: 2025-02-12 14:25:07

level5.0

Time of First Successful Submission: 2025-02-12 14:39:31

level5.1

Time of First Successful Submission: 2025-02-12 14:45:20

level6.0

Time of First Successful Submission: 2025-02-12 15:35:40

level6.1

Time of First Successful Submission: 2025-02-13 07:14:49

level7.0

Time of First Successful Submission: 2025-02-13 08:13:47

level7.1

Time of First Successful Submission: 2025-02-13 08:30:49

level8.0

Time of First Successful Submission: 2025-02-13 09:01:04

level8.1

Time of First Successful Submission: 2025-02-13 09:43:54

level9.0

Time of First Successful Submission: 2025-03-09 08:44:01

level9.1

Time of First Successful Submission: 2025-03-09 09:13:50

level10.0

Time of First Successful Submission: 2025-03-09 09:38:34

level10.1

Time of First Successful Submission: 2025-03-10 05:58:03

level11.0

Time of First Successful Submission: 2025-03-10 06:06:31

level11.1

Time of First Successful Submission: 2025-03-10 06:11:42

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-01-19 13:00:46

Intro to Arguments

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The Root

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Program and absolute paths

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Position thy self

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Position elsewhere

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Position yet elsewhere

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implicit relative paths, from /

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explicit relative paths, from /

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implicit relative path

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home sweet home

Time of First Successful Submission: 2025-01-20 09:10:46

cat: not the pet, but the command!

Time of First Successful Submission: 2025-01-20 09:16:02

catting absolute paths

Time of First Successful Submission: 2025-01-20 09:17:07

more catting practice

Time of First Successful Submission: 2025-01-20 09:20:02

grepping for a needle in a haystack

Time of First Successful Submission: 2025-01-20 09:25:07

listing files

Time of First Successful Submission: 2025-01-20 09:28:26

touching files

Time of First Successful Submission: 2025-01-20 09:31:11

removing files

Time of First Successful Submission: 2025-01-20 09:32:57

hidden files

Time of First Successful Submission: 2025-01-20 09:36:17

An Epic Filesystem Quest

Time of First Successful Submission: 2025-01-20 11:01:24

making directories

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finding files

Time of First Successful Submission: 2025-01-20 12:09:42

linking files

Time of First Successful Submission: 2025-01-20 12:44:19

Learning From Documentation

Time of First Successful Submission: 2025-01-20 12:52:52

Learning Complex Usage

Time of First Successful Submission: 2025-01-20 12:56:09

Reading Manuals

Time of First Successful Submission: 2025-01-20 13:01:09

Searching Manuals

Time of First Successful Submission: 2025-01-20 13:04:18

Searching For Manuals

Time of First Successful Submission: 2025-01-20 13:37:13

Helpful Programs

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Help for Builtins

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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

Time of First Successful Submission: 2025-01-21 12:03:36

Redirecting more output

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Appending output

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Redirecting errors

Time of First Successful Submission: 2025-01-21 12:17:54

Redirecting input

Time of First Successful Submission: 2025-01-21 12:20:34

Grepping stored results

Time of First Successful Submission: 2025-01-21 12:24:12

Grepping live output

Time of First Successful Submission: 2025-01-21 12:27:40

Grepping errors

Time of First Successful Submission: 2025-01-21 12:31:52

Duplicating piped data with tee

Time of First Successful Submission: 2025-01-21 12:42:20

Writing to multiple programs

Time of First Successful Submission: 2025-01-21 13:00:28

Split-piping stderr and stdout

Time of First Successful Submission: 2025-01-21 13:28:04

Printing Variables

Time of First Successful Submission: 2025-01-21 13:39:36

Setting Variables

Time of First Successful Submission: 2025-01-21 13:41:46

Multi-word Variables

Time of First Successful Submission: 2025-01-21 13:43:41

Exporting Variables

Time of First Successful Submission: 2025-01-21 13:49:05

Printing Exported Variables

Time of First Successful Submission: 2025-01-21 13:51:41

Storing Command Output

Time of First Successful Submission: 2025-01-21 14:05:55

Reading Input

Time of First Successful Submission: 2025-01-21 14:08:27

Reading Files

Time of First Successful Submission: 2025-01-21 14:10:45

Listing Processes

Time of First Successful Submission: 2025-01-21 14:26:56

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

Time of First Successful Submission: 2025-01-21 15:30:58

Changing File Ownership

Time of First Successful Submission: 2025-01-24 07:24:17

Groups and Files

Time of First Successful Submission: 2025-01-24 07:31:24

Fun With Groups Names

Time of First Successful Submission: 2025-01-24 07:33:26

Changing Permissions

Time of First Successful Submission: 2025-01-24 07:43:33

Executable Files

Time of First Successful Submission: 2025-01-24 07:45:18

Permission Tweaking Practice

Time of First Successful Submission: 2025-01-24 08:03:52

Permissions Setting Practice

Time of First Successful Submission: 2025-01-24 08:11:05

The SUID Bit

Time of First Successful Submission: 2025-01-24 08:15:40

Becoming root with su

Time of First Successful Submission: 2025-01-24 08:18:45

Other users with su

Time of First Successful Submission: 2025-01-24 08:21:06

Cracking passwords

Time of First Successful Submission: 2025-01-24 08:29:01

Using sudo

Time of First Successful Submission: 2025-01-24 08:31:24

Chaining with Semicolons

Time of First Successful Submission: 2025-01-24 08:33:25

Your First Shell Script

Time of First Successful Submission: 2025-01-24 08:43:22

Redirecting Script Output

Time of First Successful Submission: 2025-01-24 08:46:45

Executable Shell Scripts

Time of First Successful Submission: 2025-01-24 08:49:53

The PATH Variable

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Setting PATH

Time of First Successful Submission: 2025-01-24 09:26:43

Adding Commands

Time of First Successful Submission: 2025-01-24 12:13:45

Hijacking Commands

Time of First Successful Submission: 2025-01-24 13:16:13

Computing 101

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set-register

Time of First Successful Submission: 2025-01-04 06:26:06

set-multiple-registers

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add-to-register

Time of First Successful Submission: 2025-01-04 06:35:29

linear-equation-registers

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integer-division

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modulo-operation

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set-upper-byte

Time of First Successful Submission: 2025-01-04 06:58:39

efficient-modulo

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byte-extraction

Time of First Successful Submission: 2025-01-04 07:12:09

bitwise-and

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check-even

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memory-read

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memory-write

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memory-increment

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byte-access

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memory-size-access

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little-endian-write

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memory-sum

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stack-subtraction

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swap-stack-values

Time of First Successful Submission: 2025-01-04 09:26:46

average-stack-values

Time of First Successful Submission: 2025-01-04 09:52:08

absolute-jump

Time of First Successful Submission: 2025-01-04 09:56:40

relative-jump

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jump-trampoline

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conditional-jump

Time of First Successful Submission: 2025-01-05 06:34:52

indirect-jump

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average-loop

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count-non-zero

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string-lower

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most-common-byte

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level1

Time of First Successful Submission: 2025-01-16 00:42:43

level2

Time of First Successful Submission: 2025-01-16 00:47:58

level3

Time of First Successful Submission: 2025-01-16 01:17:06

level4

Time of First Successful Submission: 2025-01-16 03:07:12

level5

Time of First Successful Submission: 2025-02-05 07:05:29

level6

Time of First Successful Submission: 2025-02-05 12:46:22

level7

Time of First Successful Submission: 2025-02-05 13:05:12

level8

Time of First Successful Submission: 2025-02-05 14:05:55

Pwntools Tutorials

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Level 0.0

Time of First Successful Submission: 2025-02-13 13:50:25

Level 1.0

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Level 1.1

Time of First Successful Submission: 2025-02-14 03:02:08

Level 2.0

Time of First Successful Submission: 2025-03-10 07:52:20

Level 2.1

Time of First Successful Submission: 2025-03-10 09:06:12

Level 2.2

Time of First Successful Submission: 2025-03-10 09:24:28

Level 2.3

Time of First Successful Submission: 2025-03-10 09:32:32

Level 2.4

Time of First Successful Submission: 2025-03-10 14:10:25

Level 2.5

Time of First Successful Submission: 2025-03-10 14:24:09

Level 2.6

Time of First Successful Submission: 2025-03-10 14:55:05

Level 3.0

Time of First Successful Submission: 2025-03-12 13:57:21

Level 4.0

Time of First Successful Submission: 2025-03-23 09:13:22