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IDA strike-out: A Hex-Rays decompiler plugin to patch the Ctree

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allthingsida/strikeout

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Introduction

StrikeOut is an plugin for the Hex-Rays Decompiler. It allows you to delete (hide) statements from the AST, thus simplifying the pseudocode output. This is a useful scenario when you are dealing with lots of junk code or code that don't necessarily increase your understanding of the pseudocode.

Features:

  • Delete a statement and its children
  • Patch a statement (with NOP) and its children (x86 arch. only)
  • Persistence
  • Undo support
  • Patch code (in the disassembly) view with NOPs

Building

StrikeOut uses idax and is built using ida-cmake.

If you don't want to build from sources, then there are release pre-built for MS Windows.

Use cases

  • Patching out the disassembly from the pseudocode window

  • Cleaning up ugly / 'useless' pseudocode lines

  • Manually cleaning opaque predicates from the pseudocode window

Cleaning opaque predicates

  • Patching the disassembly code with NOPs

NOP patchs

  • Moving disassembly lines up or down Move lines

Use at your own risk. This feature is experimental and does not properly relocate instructions. It only copies their bytes.