Tag: tool

Easy::jit is a library that brings just-in-time compilation to C++ codes. It allows developers to jit-compile some functions and specializing (part of) their parameters. Just-in-time compilation is done on-demand and controlled by the developer. The project is available on github .

This blog post introduces major changes in LIEF 0.9 as well as work in progress features that will be integrated in further releases. Changelog is available here.

A new version of Frozen, an open source, header-only library that provides fast, immutable, constexpr-compatible implementation of std::search, std::set, std::map, std::unordered_map and std::unordered_set to C++14 users. That's a follow up to the previous post !

This blog post introduces new features of LIEF as well as some uses cases.

An open source, header-only library that provides fast, immutable, constexpr-compatible implementation of std::set, std::map, std::unordered_map and std::unordered_set to C++14 users. It can be used as an alternative to gperf.

QuarksLab is open-sourcing LIEF, a library to parse and manipulate ELF, PE and Mach-O binary formats. This blog post explains the purpose of this project and some parts of its architecture.

While building an LLVM-based obfuscator, we explore some unexpected code areas. For instance, what happens when you try to optimize a single function that holds millions of instructions? Some LLVM passes start to suffer, including an unexpected one: Global Dead Code Elimination. Let's investigate!

At Quarkslab, we don't only break software and exploit vulnerabilities, we also try to create innovative and efficient solutions to counter them. Cappsule is one of those solutions.

Obfuscation is made of many different tricks. One we meet very often is mixed instructions who make computations mixing usual arithmetic (ADD, SUB, MUL, DIV) and boolean one (XOR, AND, NOT, OR). All tools get lost when it comes to cleaning this kind of very messy blocks of instructions, and that is why we designed Arybo. With Arybo, analyzing such expressions become way more easy.

HOW-TO: Implementing a custom directive processor in clang to drive the compilation process of our LLVM-base code obfuscator, while maintaining backward-compatibility if another compiler is used. What a good opportunity for a journey in the first compiler stages!