bl4ckh0wl

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2025-04-28 00:06:56

Path Traversal 2

Time of First Successful Submission: 2025-04-28 00:56:30

CMDi 1

Time of First Successful Submission: 2025-04-28 01:29:31

CMDi 2

Time of First Successful Submission: 2025-04-28 01:34:48

CMDi 3

Time of First Successful Submission: 2025-04-28 01:50:52

CMDi 4

Time of First Successful Submission: 2025-04-28 02:15:29

CMDi 5

Time of First Successful Submission: 2025-04-28 04:22:07

CMDi 6

Time of First Successful Submission: 2025-04-28 04:31:15

Authentication Bypass 1

Time of First Successful Submission: 2025-05-01 23:25:05

Authentication Bypass 2

Time of First Successful Submission: 2025-05-01 23:29:01

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-05-05 00:38:34

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-05-05 00:40:50

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-05-05 00:44:14

Reading Endianness (Python)

Time of First Successful Submission: 2025-05-05 01:01:22

Reading Endianness (C)

Time of First Successful Submission: 2025-05-05 01:24:41

Reading Endianness (x86)

Time of First Successful Submission: 2025-05-05 01:27:53

Version Information (Python)

Time of First Successful Submission: 2025-05-05 23:32:59

Version Information (C)

Time of First Successful Submission: 2025-05-05 23:41:54

Version Information (x86)

Time of First Successful Submission: 2025-05-05 23:49:21

Metadata and Data (Python)

Time of First Successful Submission: 2025-05-06 00:15:44

Metadata and Data (C)

Time of First Successful Submission: 2025-05-06 00:27:06

Metadata and Data (x86)

Time of First Successful Submission: 2025-05-06 00:42:36

Input Restrictions (Python)

Time of First Successful Submission: 2025-05-06 01:18:20

Input Restrictions (C)

Time of First Successful Submission: 2025-05-06 01:28:02

Input Restrictions (x86)

Time of First Successful Submission: 2025-05-06 02:11:50

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-05-06 02:22:21


Program Security

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level1.0

Time of First Successful Submission: 2025-05-02 00:14:55

level1.1

Time of First Successful Submission: 2025-05-02 00:03:41

level2.0

Time of First Successful Submission: 2025-05-02 00:32:36

level2.1

Time of First Successful Submission: 2025-05-02 00:58:22

level3.0

Time of First Successful Submission: 2025-05-02 01:09:11

level3.1

Time of First Successful Submission: 2025-05-02 01:13:41

level4.0

Time of First Successful Submission: 2025-05-02 01:19:08

level4.1

Time of First Successful Submission: 2025-05-02 01:22:38

level5.0

Time of First Successful Submission: 2025-05-02 01:53:17

level5.1

Time of First Successful Submission: 2025-05-02 02:01:27

level6.0

Time of First Successful Submission: 2025-05-02 23:57:59

level6.1

Time of First Successful Submission: 2025-05-03 00:34:16

level7.0

Time of First Successful Submission: 2025-05-03 02:29:36

level7.1

Time of First Successful Submission: 2025-05-03 02:43:52

level8.0

Time of First Successful Submission: 2025-05-03 03:16:03


Getting Started

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Using the VSCode Workspace

Time of First Successful Submission: 2025-04-28 04:01:09

Using the GUI Desktop

Time of First Successful Submission: 2025-04-28 04:02:53

Pasting into the Desktop

Time of First Successful Submission: 2025-04-28 04:04:59

Restarting Challenges

Time of First Successful Submission: 2025-04-28 04:08:03

Getting Help

Time of First Successful Submission: 2025-04-28 04:14:40

Challenge Programs

Time of First Successful Submission: 2025-04-28 04:16:37

The Flag File

Time of First Successful Submission: 2025-04-29 02:17:41

Using Practice Mode

Time of First Successful Submission: 2025-04-29 02:25:03

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-29 02:30:00

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-29 02:31:04


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-04-29 02:36:07

Intro to Arguments

Time of First Successful Submission: 2025-04-29 02:39:43

The Root

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Program and absolute paths

Time of First Successful Submission: 2025-04-29 02:44:52

Position thy self

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Position elsewhere

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Position yet elsewhere

Time of First Successful Submission: 2025-04-30 23:45:39

implicit relative paths, from /

Time of First Successful Submission: 2025-04-30 23:49:09

explicit relative paths, from /

Time of First Successful Submission: 2025-04-30 23:51:26

implicit relative path

Time of First Successful Submission: 2025-04-30 23:52:19

home sweet home

Time of First Successful Submission: 2025-04-30 23:56:39

cat: not the pet, but the command!

Time of First Successful Submission: 2025-05-01 00:02:54

catting absolute paths

Time of First Successful Submission: 2025-05-01 00:03:55

more catting practice

Time of First Successful Submission: 2025-05-01 00:05:09

grepping for a needle in a haystack

Time of First Successful Submission: 2025-05-01 00:09:28

listing files

Time of First Successful Submission: 2025-05-01 00:12:53

touching files

Time of First Successful Submission: 2025-05-01 00:14:35

removing files

Time of First Successful Submission: 2025-05-01 00:16:07

hidden files

Time of First Successful Submission: 2025-05-01 00:18:42

An Epic Filesystem Quest

Time of First Successful Submission: 2025-05-01 00:29:42

making directories

Time of First Successful Submission: 2025-05-01 00:36:53

finding files

Time of First Successful Submission: 2025-05-01 01:13:37

linking files

Time of First Successful Submission: 2025-05-01 01:27:18

Learning From Documentation

Time of First Successful Submission: 2025-05-03 22:38:12


Computing 101

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Your First Register

Time of First Successful Submission: 2025-04-29 02:51:49

Your First Syscall

Time of First Successful Submission: 2025-04-29 02:55:53

Exit Codes

Time of First Successful Submission: 2025-04-29 02:59:07

Building Executables

Time of First Successful Submission: 2025-04-29 03:31:36

Moving Between Registers

Time of First Successful Submission: 2025-04-29 03:40:18

Tracing Syscalls

Time of First Successful Submission: 2025-04-29 23:38:00

Starting GDB

Time of First Successful Submission: 2025-04-29 23:47:55

Starting Programs in GDB

Time of First Successful Submission: 2025-04-29 23:52:36

Loading From Memory

Time of First Successful Submission: 2025-04-30 00:15:41

More Loading Practice

Time of First Successful Submission: 2025-04-30 00:19:55

Dereferencing Pointers

Time of First Successful Submission: 2025-04-30 01:25:48

Dereferencing Yourself

Time of First Successful Submission: 2025-04-30 01:55:03

Dereferencing with Offsets

Time of First Successful Submission: 2025-04-30 02:04:39

Stored Addresses

Time of First Successful Submission: 2025-04-30 02:32:43

Double Dereference

Time of First Successful Submission: 2025-04-30 23:31:54

Triple Dereference

Time of First Successful Submission: 2025-04-30 02:58:46


Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-04-28 03:54:39

... and again!

Time of First Successful Submission: 2025-04-28 03:56:38


Kalevala

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guessnumber.01

Time of First Successful Submission: 2025-04-27 15:30:00