IDA Pro SigMaker

January 15, 2025 ยท View on GitHub

Signature Maker Plugin for IDA Pro 9 and 8

Plugin downloads are in the Releases section

Installation

Drop into plugins folder of your IDA installation.

%AppData%\Hex-Rays\IDA Pro\plugins

Usage

In disassembly view, select a line you want to generate a signature for, and press CTRL+ALT+S

The generated signature will be printed to the output console, as well as copied to the clipboard:


Signature typeExample preview
IDA SignatureE8 ? ? ? ? 45 33 F6 66 44 89 34 33
x64Dbg SignatureE8 ?? ?? ?? ?? 45 33 F6 66 44 89 34 33
C Byte Array Signature + String mask\xE8\x00\x00\x00\x00\x45\x33\xF6\x66\x44\x89\x34\x33 x????xxxxxxxx
C Raw Bytes Signature + Bitmask0xE8, 0x00, 0x00, 0x00, 0x00, 0x45, 0x33, 0xF6, 0x66, 0x44, 0x89, 0x34, 0x33 0b1111111100001

Finding XREFs

Generating code Signatures by data or code xrefs and finding the shortest ones is also supported:


Signature searching

Searching for Signatures works for supported formats:

Just enter any string containing your Signature, it will automatically try to figure out what kind of Signature format is being used:

Currently, all output formats you can generate are supported.

Match(es) of your signature will be printed to console:


Other

This plugin uses qis's AVX2-optimized signature searching library: https://github.com/qis/signature

If the CPU doesn't support AVX2, it will fallback to the slow builtin IDA functions.


Building

Requirements

  • IDA Pro Plugin SDK 9
    • Extract content in SDK/9
  • or IDA Pro Plugin SDK 9 (Beta)
    • Extract content in SDK/9beta
  • or IDA Pro Plugin SDK 8
    • Extract content in SDK/8

Setup

For your convenience, here are the steps to get started:

git clone git@github.com:A200K/IDA-Pro-SigMaker.git
cd IDA-Pro-SigMaker/
git submodule init
git submodule update

Then,

  • drop the IDA SDK into the according SDK/8 or SDK/9 path
  • open the project with Visual Studio