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SharedMemUtils - A simple tool to automatically find vulnerabilities in shared memory objects (commonly used for IPC in Windows services) This tool immediately uncovered potential exploitation routes in both Nvidia and Dell Audio services on my system. x86matthew.com/view_post?id=s…

reading #flareon9 writeups from other people has been interesting - it highlights how everybody (including myself) used very different methods and thought processes to solve the challenges 🙂

StealthHook - A method for hooking functions without modifying memory protection. This tool automatically discovers writable global pointers/vtable entries that are nested within the target function, enabling stealthy function hooking and interception. x86matthew.com/view_post?id=s…

SelfDebug - A useless anti-debug trick by (sort of) forcing a process to debug itself x86matthew.com/view_post?id=s…

i have been writing a windows 3.1 emulator in my spare time over the last few weeks, it emulates an 80286 cpu running in protected mode and forwards/translates win16 api calls to the native api at runtime. my first test program is working correctly - minesweeper is coming next 🙂

following on from my post last week, 16-bit minesweeper now runs flawlessly in my windows 3.1 cpu/win16api emulator 🙂 i don't plan to take it any further from here but will consider writing a post covering the fun (and not so fun) bits if there is any interest in this project 🙂

16-bit solitaire is now running as it should 🙂 now i'm definitely finished with the project because i can't handle any more nights debugging minor cpu logic bugs until 5am 😥

it has been a few years since i last wrote a game cheat. modern games don't interest me so i've gone the other way and written an aimbot for the original doom - works on windows 95 with the official binaries 🙂

First blog post in a while! This article describes an undocumented trick to embed executable code within (what appears to be) a read-only PE section. secret.club/2023/06/05/spo…

finished for another year! #flareon10

12 months late but it has finally arrived 🙂 #flareon9

WoWMIPS - A MIPS R4000 emulator which allows legacy Windows NT MIPS binaries to run on modern x86/64 Windows. A short series of articles describes the development of this emulator: x86matthew.com/view_post?id=m…

happy to finish in the top 10 this year (only just!) #flareon11

last day at MDSec today 😢 but looking forward to some new challenges at Elastic next week!

Just released another project that I created a few weeks ago - a NES emulator for Windows written in C/C++ using pure WinAPI 🎮 github.com/x86matthew/NES…

Another pointless weekend project - a playable version of the old 3DMaze screensaver from Windows 9x. I reverse-engineered the original screensaver binary and added user-input functionality for the controls (and fixed some other minor issues!) github.com/x86matthew/Pla…