JoeChip-dev / Hyara

Yara rule making tool (IDA Pro & Binary Ninja & Cutter Plugin)

Hyara

Hyara is plugin that provides convenience when writing yararule.

The plugin is currently undergoing a major revision!

• Demo video

Instructions

Start Screen and Options

• When you run Hyara, it docks itself to the right and docks the output window to the left.
• After specifying the address, press the Make button to show the specified hexadecimal or strings as a result.
• The results are saved in the table below when you click Save.
• If you double-click the table, you can clear the rule.
• Export Yara Rule
  • Exports the previously created yara rules.

• Right Click
  • You can select either start address or end address. (IDA Pro, Cutter)

• Comment Option
  • Annotates the instructions next to the condition rule(s).
• Rich Header and imphash
  • Adds rich header and imphash matching to the rule.
• String option
  • This option extracts strings within the range specified.

Installation

IDA Pro & BinaryNinja

pip install -r requirements.txt

• IDA Pro
  • copy Hyara_IDA.py and hyara_lib folder to $ida_dir/plugins
  • Activate via Edit -> Plugins -> Hyara (or CTRL+SHIFT+Y)
• BinaryNinja
  • copy Hyara_BinaryNinja.py and hyara_lib folder to BinaryNinja Plugin directory
  • Activate via View -> Show Hyara

Cutter

Windows

python3 -m pip install -I -t $cutter_dir/$cutter_python_version/site-packages -r requirements.txt

Linux

mv /tmp/.mount_CutterEgQh2i/usr .
pip3 install -I -t usr/lib/python3.6/site-packages/ -r /root/Hyara/requirements.txt
./Cutter-v1.12.0-x64.Linux.AppImage --pythonhome /root/usr

copy __init__.py, Hyara_Cutter.py and hyara_lib folder to $cutter_plugin_dir/python/Hyara

Activate via Windows -> Plugins -> Hyara

Features

• GUI-based
• Supports BinaryNinja, Cutter, and IDA
• YaraChecker
  • Tests the yararule on the fly
  • 
• YaraDetector
  • Shows which part is detected in the sample loaded to disassembler, and when "Address" is clicked, it moves to the corresponding address on the disassembler view.
  • 
• YaraIcon
  • Creates yara rules for icon resources embedded in the PE.
  • 

Author

👤 hyuunnn

• Github: @hyuunnn

Special Thanks

• Twitter: kjkwak12
• Github: gaasedelen - Link
• Github: ITAYC0HEN - Link