Tag: 2019

30 articles
Date Thu 16 May 2019
Authors Tom Czayka, Romain Thomas
Category Android

This blog post is about detecting modifications between genuine and repackaged applications.

Date Tue 07 May 2019
Author Francesco Cagnin
Category Kernel Debugging

This is the first of two blog posts about macOS kernel debugging. Here, we introduce what kernel debugging is, explain how it is implemented for the macOS kernel and discuss the limitations that come with it; in the second post, we will present our solution for a better macOS debugging experience.

Date Thu 02 May 2019
Author Tom Czayka
Category Android

This blog post is about examining an Android security patch and understanding how it mitigates the vulnerability.

Date Mon 29 April 2019
Author Guillaume Heilles
Category Hardware

In this article we describe how we created a low cost training Electronic Control Unit (ECU) that can be attacked at will, without damaging a real car. The whole project is open-source on Quarkslab's github page.

Date Wed 24 April 2019
Authors Tom Czayka, Romain Thomas
Category Android

This blog post is about how to efficiently spot code mutations between distinct versions of an Android application.

Date Tue 16 April 2019
Author Hugues Anguelkov
Category Reverse-Engineering

Broadcom is one of the major vendors of wireless devices worldwide. Since these chips are so widespread they constitute a high value target to attackers and any vulnerability found in them should be considered to pose high risk. In this blog post I provide an account of my internship at Quarkslab which included obtaining, reversing and fuzzing the firmware, and finding a few new vulnerabilities.

Date Wed 27 March 2019
Author Romain Thomas
Category Android

This blog post is about techniques to disable Android runtime restrictions


NotPetya [0] is a variant of the Petya ransomware [1] that appeared in June 2017 in Ukraine. These malwares have the particularity to rewrite the MBR of computers that are still using an old fashioned BIOS-based booting system. This MBR encrypts the Master File Table (MFT) of the underlying NTFS partition systems.

Date Mon 11 February 2019
Author Nahuel Riva
Category Hardware

Second part of a blog post series about our approach to reverse engineer a Philips TriMedia based IP camera.

Date Tue 22 January 2019
Author Nahuel Riva
Category Hardware

First part of a blog post series about our approach to reverse engineer a Philips TriMedia based IP camera.