Articles by Sébastien Kaczmarek

3 articles
Date Thu 25 June 2015
Authors Sébastien Kaczmarek, Cyril Cattiaux
Category Pentest

In 2014, QuarksLab was missioned by OpenITP [1] to audit the iOS application ChatSecure and to identify any weakness that could lead to information leakage or any other risk that could impact the user.

Date Thu 19 December 2013
Author Sébastien Kaczmarek
Category Cryptography

IBM Lotus Domino is an email client rather common in companies like Microsoft Outlook. This article proposes to observe a small part of the application engine, namely one method used to store the user's password. In a second step, we will conduct a brief analysis of all used algorithms then we will see how to implement a plugin for John The Ripper to bruteforce discovered digests.

Date Mon 14 May 2012
Author Sébastien Kaczmarek
Category Pentest

Quarks PwDump is new open source tool to dump various types of Windows credentials: local account, domain accounts, cached domain credentials and bitlocker. The tool is currently dedicated to work live on operating systems limiting the risk of undermining their integrity or stability. It requires administrator's privileges and is still in beta test.