GeezerVison

Senior Red Team Operator during the day
Reverse Engineer and Vulnerability Researcher during the night
Tinkering with low-level projects during my free time (emulators, obfuscation, Windows internals, ...)
Used to play a lot of CTFs:
- Founded excusemewtf: 2019-2020, CH #1 pre-merge
- Co-founded organizers: 2020-2022, peaked global #1
- Omniscient on HackTheBox: 2019-ish, peaked global #2
Discord: layle22

⭐ Expand this to see a more exhaustive list of a bunch of highlights (excluding the pinned ones) ⭐

wii-exploits - Various Wii exploits I found while working on my GameCube & Wii emulator
Curveball - Proof of concept code for CVE-2020-0601 also known as the "CryptoAPI exploit"
BlueGate - PoC for the Remote Desktop Gateway vulnerability - CVE-2020-0609 & CVE-2020-0610
sogen-sandbox-escape - Sandbox escape for Sogen
noviy_nocd - Universal No-CD patcher for games protected by Noviy Disk's custom DRM solution
dbgmon - Reverse engineered implementation of DbgView's usermode logger
dlsym_hook - Rewrites a binary statically by lifting the instructions to LLVM, hooking a function and compiling it back
rw - A kernel driver exposing read/write capabilities to usermode
pooldump - Allows you to dump all nonpaged BigPools from kernel
SteamManifestFixer - Patches Steam to download depot files without manifest data

chipi - A declarative instruction decoder and disassembler generator using a custom DSL
chapa - Bitfield structs, batteries included

DeadByDaylight - Dead by Daylight research material gathered while reverse engineering the game
RACEAC - Proof of concept code for an EasyAntiCheat race condition that allowed you to tamper resource data
FallGuys - FallGuys cheat that used internal functions present in one of the first published releases of the game
Maze - Cheats for "Maze", LiveOverflow's game hacking challenge
vacation3-emu - An emulator that deobfuscates and decrypts VAC3 anticheat modules
NonlethalCompany - Lethal Company mod that uses Harmony to change various aspects of the game (infinite sprint, no death, etc)
ESP-It - ESP for Witch It
Clicker Heroes - Clicker Heroes redemption code emulator

ida-teams-docker - Dockerized version of IDA Pro's Hexvault and Lumina
docker-compiler-explorer - Dockerized version of Godbolt's Compiler Explorer preconfigured with C, C++, Rust and LLVM

long_night - A collection of themes based on pastel colors, created for reverse engineers
tracing-viewer - A beautiful trace explorer with filtering capabilities. To be used along with Rust's tracing-subscriber.
sbb - A commandline tool that allows you to check the public transportation connection via SBB
JodelAPI - A wrapper for Jodel's API

Layle ioncodes