This project showcases how to easily hook Java methods by acquiring the JIT compiled code address and applying a detour.

You can find the full writeup here.

A demo can be found here.

• Easy detection of JIT entrypoints
• Simple hook interface with examples
• Force compilation of a Java methods not yet compiled

• A java application to hook
• Knowledge of the class and method name/signature to hook
• Address of CompileBroker::compile_method
• CMake
• C++17 compiler

This project uses hde64 for disassembly, which is developed by Vyacheslav Patkov.

To build the project, please use the provided CMakeLists.txt file.

mkdir build
cd build
cmake .. -G "Visual Studio 17 2022" -T host=x64 -A x64
cmake --build . --config Release

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

This project is licensed under the MIT License - see the LICENSE file for details.

This project is for educational purposes only.

I am well aware that a lot of the code is not production ready and that there are a lot of things that could be improved.