Z9 - PowerShell Script Analyzer

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Abstract

This tools detects the artifact of the PowerShell based malware from the eventlog of PowerShell logging.
Online Demo

Install

git clone https://github.com/Sh1n0g1/z9

How to use

usage: z9.py [-h] [--output OUTPUT] [-s] [--no-viewer] [--utf8] input

positional arguments:
input Input file path

options:
-h, --help show this help message and exit
--output OUTPUT, -o OUTPUT
Output file path
-s, --static Enable Static Analysis mode
--no-viewer Disable opening the JSON viewer in a web browser
--utf8 Read scriptfile in utf-8 (deprecated)

Analyze Event Logs (Recommended)

python z9.py <input file> -o <output json>
python z9.py <input file> -o <output json> --no-viewer

Arguments Meaning

input file	XML file exported from eventlog
-o output json	filename of z9 result
--no-viewer	do not open the viewer

Example)

python z9.py util\log\mwpsop.xml -o sample1.json

Analyze PowerShell File Statically

This approach will only do the static analysis and may not provide a proper result especially when the sample is obfuscated.

python z9.py <input file> -o <output json> -s
python z9.py <input file> -o <output json> -s --utf8
python z9.py <input file> -o <output json> -s --no-viewer

Arguments Meaning

input file	PowerShell file to be analyzed
-o output json	filename of z9 result
-s	perform static analysis
--utf8	specify when the input file is in UTF-8
--no-viewer	do not open the viewer