Hey everyone! I just open-sourced a project I built with a friend as part of a school project: DecompAI – a conversational agent powered by LLMs that can help you reverse engineer binaries.
It can analyze a binary, decompile functions step by step, run tools like gdb, ghidra, objdump, and even combine them with shell commands in a (privileged) Kali-based Docker container.
You simply upload a binary through a Gradio interface, and then you can start chatting with the agent – asking it to understand what the binary does, explore vulnerabilities, or reverse specific functions. It supports both stateful and stateless command modes.
So far, it only supports x86 Linux binaries, but the goal is to extend it with QEMU or virtualization to support other platforms. Contributions are welcome if you want to help make that happen!
I’ve tested it on several Root-Me cracking challenges and it managed to solve many of them autonomously, so it could be a helpful addition to your CTF/Reverse Engineering toolkit too.
It runs locally and uses cloud-based LLMs, but can be easily adapted if you want to use local LLMs. Google provides a generous free tier with Gemini if you want to use it for free.
Would love to hear your feedback or ideas for improving it!
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