Technical deep-dives, research write-ups, and engineering notes.
How we broke BattlEye's packet encryption for Escape From Tarkov in a few hours — analysis of EFT's networking, BattlEye's encryption scheme, and the algorithm behind it.
May 12, 2020Exploring Microsoft's DirectComposition technology and how to abuse its target/visual interaction layer to render on windows owned by other processes.
February 26, 2020How BattlEye performs integrity checks for loaded images and how to implement a work-around by hooking CreateFile during the initialization window.