Pure x86_64 assembly metamorphic engine demo. Outputs “Hello, world!” while the underlying binary changes on each run.
This project demonstrates a simple metamorphic engine written entirely in NASM x86_64 assembly. Each execution produces identical output (Hello, world!) but modifies its machine code using techniques like:
- Register shuffling
- Dead code sequences that clean up themselves
- Control-flow variation
- Instruction permutation
It’s designed for learning, experimentation, and demo purposes. Safe to run in a VM environment.
sudo apt install -y nasm build-essential
Build and run:
nasm -f elf64 metamorphicEngine.asm -o metamorphicEngine.o
ld metamorphicEngine.o -o metamorphicEngine
./metamorphicEngine