Operating systems #

Theoretical concepts #

• Hack The Kernel: ops-class.org includes everything you need to learn about operating systems online [Link]
• Understanding Virtual Memory: Virtual Memory lecture for Introduction to Computer Architecture at Uppsala University [YouTube]
• osdev Wiki: This website provides information about the creation of operating systems and serves as a community for those people interested in OS development [Link]
• Writing an OS in Rust: [Link]
• DECS: Design and Engineering of Computer Systems taught at IIT Bombay [Link]
• OSTEP: Operating Systems: Three Easy Pieces [Link]
• Operating System Concepts (10th edition): [Link]
• CS-6210-Advanced-Operating-Systems-Notes: Notes for GaTech’s Advanced Operating Systems course (CS6210)
• os_kernel_lab: OS kernel labs based on Rust/C Lang & RISC-V 64/X86-32

Linux #

Learning resources #

• linux-insides: A book-in-progress about the linux kernel and its insides [Book] [GitHub]
• The Executable and Linkable Format (ELF) by Intezer Labs
  • Part 1 Section and Segments
  • Part 2 Symbols
  • Part 3 Relocations
  • Part 4 Dynamic Linking
• Understanding the memory layout of Linux executables: [GitHub Gist]
• awesome-elf

Tools #

• quBSD: A FreeBSD jails and bhyve wrapper; which emulates a Qubes-like containerization schema [GitHub]
• explainshell: match command-line arguments to their help text [Link]
• WSL-Hello-sudo: Let’s sudo by face recognition of Windows Hello on Windows Subsystem for Linux (WSL). It runs on both WSL 1 and WSL 2. This is a PAM module for Linux on WSL
• Awesome-Linux-Software: A list of awesome Linux softwares
• easywall: Web interface for easy use of the IPTables firewall on Linux systems written in python3
• photoCClinux: Photoshop CC v19 installer for GNU/Linux
• awesome-shell: A curated list of awesome command-line frameworks, toolkits, guides and gizmos.
• awesome-tui: List of projects that provide terminal user interfaces
• grub2-themes: Modern Design theme for Grub2
• pure-bash-bible: A collection of pure bash alternatives to external processes
• Dotfiles management
  • chezmoi: Manage your dotfiles across multiple diverse machines, securely
  • awesome-dotfiles: A curated list of dotfiles resources
• Linux hardening
  • kernel-hardening-checker: A tool for checking the security hardening options of the Linux kernel
  • JShielder: Hardening Script for Linux Servers/ Secure LAMP-LEMP Deployer/ CIS Benchmark

Android #

Android security #

• A 3-day video course on how to analyze Android Malware: [Day 1] [Day 2] [Day 3]

Windows #

Windows security #

• Windows hardening
  • [beerisgood/Windows11_Hardening]
  • windows_hardening: HardeningKitty and Windows Hardening settings and configurations

Learning Resource #

• Windows Drivers RE Methodology: [Link]

MacOS #

Learning Resource #

• MacOS Internals: [Gist]

Tools #

• macos-defaults: Incomplete list of macOS defaults commands with demos
• EFIgy: A small client application that uses the Duo Labs EFIgy API to inform you about the state of your Mac EFI firmware

MacOS security #

• MacOS hardening:
  • macOS-Security-and-Privacy-Guide: Guide to securing and improving privacy on macOS
  • macOS_hardening: a collection about macOS