user-mode

Linux driver for the Xbox One wireless dongle

WinDBG Anti-RootKit Extension

Ghetto user mode emulation of Windows kernel drivers.

Usermode emulation of x64 EAC

Kernal Driver Tutorial For Getting Started With Kernel Drivers

Manually implement Structured Exception Handling a.k.a SEH for Delphi

hello world operating system

Simple bash script to filter out useful ROP gadgets from rp++ output while bypassing DEP

Windows Exploit development : Bypass Data Execution Prevention (DEP) using ROP chains manually hard code

An example of arbitrary code excecution in remote processes. Example spaws items inside EldenRing. Created solely for teaching purposes.

Dralyxor: Advanced C++ header-only library for robust string obfuscation, shielding binaries from static/dynamic analysis. Uses a consteval micro-program engine with variable NOPs. Runtime anti-debug/tamper checks (canaries, content checksums) plus RAII "just-in-time" decryption ensure secure, minimal memory exposure of plain-text data.

Exploit development Notes - Exploit development RoadMap - Exploit development advices - Exploit development Tips - Exploit development Windows - Exploit development Kernel Mode & User Mode - learning about Exploit Development

Handle Watcher is a program that protects itself by detecting and terminating dangerous process handles.

A program made to keep reservation and passenger record for the Railways

一个适用于 Linux x86-64 平台的用户态多线程库，支持线程的 create、sleep、join、yield 操作，支持互斥锁、自旋锁、读写锁、条件变量的各类操作。

This repo contains my Operating System course's labs and project I did in my university.

The Operating System Simulator 💻 is a terminal-based project that brings core OS concepts to life—like multitasking, scheduling, memory management, and user/kernel modes—through a hands-on, interactive experience ⚙️. From managing tasks to simulating file operations and even playing a quick game, it offers a fun yet insightful way 🧠 to understand

Header-only constexpr string encryption for C++17+, supporting both User and Kernel Mode, with no CRT or STL dependencies.

Arcade top-down-shooter.

Windows 10 System Programming additional study material (unofficial). Complete CLI and GUI programs exploring operating systems concepts.