# Overview

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Hack Responsibly.

Always ensure you have **explicit** permission to access any computer system **before** using any of the techniques contained in these documents. You accept full responsibility for your actions by applying any knowledge gained here.
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These are my publicly accessible notes from various sources for penetration testing, red-teaming, Capture the Flag (CTF) challenges, and my [Vulnhub](https://www.vulnhub.com/)/ [Hack the Box](https://hackthebox.eu) machine [write-ups](https://appl3tree.github.io/).

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Warning - These notes are largely unformatted right now. They are based on my way of learning things - by reading, doing, studying, exploring, and taking notes. Cleaning up and formatting comes later.

* Do not assume anything from these notes.
* Do not expect the notes to be exhaustive, or to cover the techniques or the output they produce in full.
* Expect mistakes in the notes.
* Feel free to ask questions!
* Always consult additional resources. If possible, I will try to link to outside resources. *If I have shared something of yours and you want credit, please let me know!*
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## Contents

### OSCP/CTF Tools and Cheatsheets

* See this [list of outside sources](https://appl3tree.gitbook.io/notes/tools-and-cheatsheets)!

### Courses

* [OffSec](https://appl3tree.gitbook.io/notes/courses/offsec)
  * [EXP-301](https://appl3tree.gitbook.io/notes/courses/offsec/exp-301)
  * [EXP-312](https://appl3tree.gitbook.io/notes/courses/offsec/exp-312)
  * [IR-200](https://appl3tree.gitbook.io/notes/courses/offsec/ir-200)
  * [PEN-103](https://appl3tree.gitbook.io/notes/courses/offsec/pen-103)
  * [PEN-200](https://appl3tree.gitbook.io/notes/courses/offsec/pen-200)
  * [PEN-210](https://appl3tree.gitbook.io/notes/courses/offsec/pen-210)
  * [PEN-300](https://appl3tree.gitbook.io/notes/courses/offsec/pen-300)
  * [SEC-100](https://appl3tree.gitbook.io/notes/courses/offsec/sec-100)
  * [SOC-200](https://appl3tree.gitbook.io/notes/courses/offsec/soc-200)
  * [TH-200](https://appl3tree.gitbook.io/notes/courses/offsec/th-200)
  * [WEB-200](https://appl3tree.gitbook.io/notes/courses/offsec/web-200)
  * [WEB-300](https://appl3tree.gitbook.io/notes/courses/offsec/web-300)
* [SANS](https://appl3tree.gitbook.io/notes/courses/sans)
  * [FOR572](https://appl3tree.gitbook.io/notes/courses/sans/for572)