Github Projects

A selected list of my open source projects published on github.

Fast Cov

A fast binary coverage measurement tool based on AFL’s Qemu mode


Automatically infer grammar like fragments during normal feedback fuzzing to improve test coverage. Published at USENIX Security 2019.

Spawn a dynamic debugger from your application like ipdb.set_trace() / binding.pry, but in Rust.


A deck building tower defense game written in Rust.


A binary fuzzer that automatically solves magic Bytes and checksums during fuzzing. Published at NDSS 2019.


Uses program synthesis to deobfuscate VM instruction handlers used by obfuscators such as VMProtect and Themida. Published at USENIX Security 2017.

Cornelius Aschermann

Fuzzing, Reverse Engineering, Binary Analysis

Security Researcher