Date Thu 26 October 2023
Authors Madigan Lebreton, Elouan Wauquier, Victor Houal
Category Blockchain

This blog post presents the entire workflow of a transaction executed on zkSync Era. zkSync Era is a Zk Rollup Layer 2 blockchain that executes transactions and proves its execution on the Ethereum blockchain using Zero-Knowledge proofs.

Date Mon 16 October 2023
Author Quarkslab
Category Life at Quarkslab

The internship season is back at Quarkslab! Our internship topics cover a wide range of our expertise and aim at tackling new challenges, namely:

Date Thu 12 October 2023
Authors Roxane Cohen, Robin David, Riccardo Mori
Category Program Analysis

This blog post presents an overview of QBinDiff, the Quarkslab binary diffing tool officially released today. It describes its core principles and shows how it works on binaries as well as on general graph matching problems unrelated to IT security.

Date Tue 03 October 2023
Authors Mihail Kirov, Damien Aumaître
Category Containers

Golang is the most used programming language for developing cloud technologies. Tools such as Kubernetes, Docker, Containerd and gVisor are written in Go. Despite the fact that the code of these programs is open source, there is no way to analyze and extend their behavior dynamically without recompiling their code. Is this due to the complex internals of the language? In this blog post, we’ll look into the challenges of developing and inserting runtime hooks in Golang programs.

Date Thu 21 September 2023
Author Lucas Di Martino
Category Containers

This article presents the internals of Windows Container.

Date Thu 07 September 2023
Author Francisco Falcon
Category Reverse-Engineering

In this blog post we discuss how to debug Windows' Isolated User Mode (IUM) processes, also known as Trustlets, using the virtual TPM of Microsoft Hyper-V as our target.

Date Tue 29 August 2023
Author Carlo Ramponi
Category Reverse-Engineering

This blog post presents an overview of Starlink's User Terminal runtime internals, focusing on the communications that happen within the device and with user applications and some tools that can help further research on the same topic.

Date Mon 21 August 2023
Authors Sami Babigeon, Benoît Forgette
Category Vulnerability

In this blog post, we present a new vulnerability on the Gecko Bootloader from Silicon Labs more precisely inside the OTA parser.

Date Mon 14 August 2023
Authors Maxime Rossi Bellom, Damiano Melotti
Category Android

Join us in our journey into modern Android's Data Encryption at rest, in which we study how it works and assess how resistant it is against attackers having access to a range of high end software vulnerabilities.

Date Fri 23 June 2023
Author Gwaby
Category Exploitation

In this blog post we'll see a technique to gain code execution in SMM from a very limited write primitive.