Articles by Paul Hernault

3 articles
Date Tue 13 April 2021
Authors Robin David, Paul Hernault, Jonathan Salwan
Category Vulnerability

This post is a quick vulnerability report summary for a vulnerability we found while fuzzing the TCP/IP stack CycloneTCP.

Date Tue 18 August 2020
Author Paul Hernault
Category Cryptography

This post is a noob-friendly introduction to whiteboxes along with the presentation and explanation of a (not-new) collision-based attack. The attack is demonstrated against a public whitebox, using QBDI to instrument and analyze the target in order to produce traces of execution.

Date Thu 25 January 2018
Author Paul Hernault
Category Program Analysis

This article aims to presentby analyzing an obfuscated binary using QBDI, thus showcasing some of the nice features it offers. This blog post was written last year during my internship at Quarkslab, where I discovered the wonderful (but not so simple) world of Dynamic Binary Instrumentation.