0poss's Blog

Posts

A browser exploit that's all in the title - FCSC2021 Reporter
Messing with the limits - FCSC 2021 Your randomness checker
Overkilling a heap exploit with FSOP - FCSC2021 Cheapie
Maze running with Angr - MidnightSun2021 Labyrevnt

Talks

Talks I've given in various places.

Obfuscation : expressions mixtes arithmético-booléennes

Nocturnes ESN'HACK 2023

A talk on mixed boolean arithmetic (MBA) obfuscation I gave at an event organized by the ESN'HACK association. In this talk, I go through the very basics of MBA obfuscation, demonstrate some techniques, and briefly talk about state-of-the-art tools for deobfuscation.

Slides (french)

External Posts

Articles I have written on various other websites.

Quantum readiness: Introduction to Modern Cryptography

Synacktiv

The introductory post of the "Quantum readiness" series on Post-Quantum Cryptography. This article goes through basics of cryptography such as ciphertext indistinguishability, the (quantum) random oracle model, hash functions, but also the Fujisaki-Okamoto transform and ZKPs.

Article link (www.synacktiv.com)

How to reverse a metamorphic Windows Kernel Driver statically

Article link (hexag0n.fr)