sllvm

An obfuscator produces shit-like code.

Obfuscation passes are implemented with new pass manager in llvm/lib/Transforms/Obfuscation for learning purpose.

Version

• llvm 14

Features

• -mllvm -stringobf C String obfuscation
• -mllvm -stringobf Objective-C String obfuscation
• -mllvm -instrobf Instruction substitution
• -mllvm -bcf Bogus control flow
• -mllvm -flatten Flatten control flow
• -mllvm -indircall Simple indirect function call
• -mllvm -indirbr Indirect branching

TODO

• Better instruction substitution
• Better Flatten control flow
• Better bogus control flow