Publications

2025

1. Clair Obscur: The Light and Shadow of System Call Interposition – From Pitfalls to Solutions with K23

   Jesús María Gómez Moreno, Vissarion Moutafis, Antreas Dionysiou, and 4 more authors

   In Proceedings of the 26th International Middleware Conference, Dec 2025

   Abs DOI

   System call interposition is a widely used technique to trace and modify application behavior. Over the years, numerous interposition mechanisms have been proposed, each with distinct strengths and trade-offs. Recently, advances in binary rewriting—specifically targeting x86-64 syscall and sysenter instructions—have led to new techniques that take important steps forward, with some claiming to support general-purpose use.