RustAegis – Writing a VM-based obfuscator without using 'unsafe'

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I wanted to see if I could build a robust obfuscation engine and virtual machine in Rust without resorting to unsafe code. RustAegis is the result. It protects functions by compiling them into custom bytecode, encrypting them via AES-GCM, and running them on an embedded VM. To make analysis harder, it uses randomized opcode tables (changing every build) and MBA transformations. While it targets anti-tamper and anti-reversing use cases, it was also a deep dive into writing interpreters in safe Rust. https://github.com/onurkun/RustAegis Feedback welcome!

Visit product View on Hacker NewsNov 29, 2025

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