Indirect Branch Obfuscation with LLVM — Building and Removing It
Indirect branch obfuscation with LLVM, replacing direct branches with indirect jumps to break static control-flow analysis of compiled binaries, and the internals laid out in detail.
Tag: idc
Writing and Removing LLVM Bogus Control Flow
Writing and removing LLVM bogus control flow, showing how the pass inserts junk blocks and opaque predicates, then how to strip them back out, and the mechanism explained clearly.
Writing and Defeating OLLVM Control-Flow Flattening
Writing and defeating OLLVM control-flow flattening, an offense-defense look at building the obfuscation pass and then reversing it back out, with the result and caveats spelled out.