Description

A Python metamorphic engine for PE/PE+ files.

Requirements

• python3
• radare2
• keystone-engine

Run

Prelaunch

Install python dependencies

pip install -r requirements.txt

Launch

pymetangine can generate metamorphic binaries one by one

./pymetangine.py -i path_to_bin

Or in batches

./pymetangine.py -i path_to_dir -b

Output

One sample metamorph

./pymetangine.py -i samples/be5b9e6b8dc76ca6b4f2616b47ccaba4.bin
[+] Opening samples/be5b9e6b8dc76ca6b4f2616b47ccaba4.bin in radare2.
[+] Analyzing executable.
[+] Starting patching routine.
[+] Writing mutations to mutations/mutated.bin
[+] Mutations: 10/26
[+] Exiting...

Batch metamorph

./pymetangine.py -i samples -b
[+] File 1/10.
[+] Opening samples/d3e94909a6b134b83307168ab0ae8a1e.bin in radare2.
[+] Analyzing executable.
[+] Starting patching routine.
[+] Writing mutations to mutations/d3e94909a6b134b83307168ab0ae8a1e_ry.bin
[+] Mutations: 6/9

[+] File 2/10.
[+] Opening samples/eb64be920df8837443a152fa143a9e5b.bin in radare2.
[+] Analyzing executable.
[+] Starting patching routine.
[+] Writing mutations to mutations/eb64be920df8837443a152fa143a9e5b_ry.bin
[+] Mutations: 18/25
...

Optional

A script to download samples from MalShare is provided.

• helper_malshare.py

You need to save your MalShare API key in a file named .key_malshare.

A script to scan and query results from VirusTotal is provided.

• helper_virustotal.py

You need to save your VirusTotal API key in a file named .key_virustotal.

A script to plot results is provided. Example data can be found in example_data folder.

• helper_plotter.py

License

pymetangine  Copyright (C) 2021-2023 Sergio Chica Manjarrez.
This program comes with ABSOLUTELY NO WARRANTY; for details check below.
This is free software, and you are welcome to redistribute it
under certain conditions; check below for details.

LICENSE