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JMPscare

Toolkit for multi-execution jump coverage introspection: Analyze your fuzzing results by inspecting which conditional jumps you are missing.

This repository includes the following components:

• Collection
  • Rust and Python 3 modules to easily collect execution traces with unicornafl
• Analysis
  • tool to analyze multiple execution traces in order to find conditional jumps which are always/never taken
  • works on any simple execution trace (file with one address per line)
  • supports ARM32, x86_64 and MIPS32
  • Potential New Coverage Analysis (ARM-only for now): Evaluate the number of new basic blocks behind a uni-directional jump, reachable in N branches
• Plugins
  • Binary Ninja plugin to visualize analysis results
    • concise overview of roadblock jumps
    • instruction highlighting
    • easy navigation and auto-patching (invert branch conditions for forced execution)
  • Ghidra plugin WIP

For further information, please confer to the READMEs within each directory.

For further information, refer to our paper at BAR 2021, "JMPscare: Introspection for Binary-Only Fuzzing" Read the paper preprint with in-depth details here.