Tag: bogus-control-flow

• Writing and Removing LLVM Bogus Control Flow

  2026-04-28

  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.

• Removing OLLVM Bogus Control Flow with angr Symbolic Execution

  2025-06-03

  Removing OLLVM bogus control flow with angr symbolic execution, using symbolic analysis to strip opaque predicates and junk blocks, with the analysis method shown end to end.

• Anti-Disassembly on ARM64

  2021-12-08

  Anti-disassembly tricks on ARM64: building data blocks that decode as bogus instructions, and using B and DCQ to confuse IDA while keeping the code runnable.