Part 2 of a series about participation in the Pwn2Own Toronto 2023 contest.

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.

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

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.

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.

This article presents the internals of Windows Container.

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.

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.

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

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.