ExtAnalysis : Browser Extension Analysis Framework

ExtAnalysis is a browser extension analysis framework. Installing it is simple! It runs on python3, so make sure python3 and python3-pip are installed.

What Can You Do?

• Download & Analyze Extensions From:
  • Chrome Web Store
  • Firefox Addons
• Analyze Installed Extensions of:
  • Google Chrome
  • Mozilla Firefox
  • Opera Browser (Coming Soon)
• Upload and Scan Extensions. Supported formats:
  • .crx
  • .xpi
  • .zip

Features

• View Basic Informations:
  • Name, Author, Description and Version
• Manifest Viewer
• In depth permission information
• Extract Intels from files which include:
  • URLs and domains
  • IPv6 and IPv4 addresses
  • Bitcoin addresses
  • Email addresses
  • File comments
  • Base64 encoded strings
• View and Edit files. Supported file types:
  • html
  • json
  • JavaScript
  • css
• VirusTotal Scans For:
  • URLs
  • Domains
  • Files
• RetireJS Vulnerability scan for JavaScript files
• Network graph of all files and URLs
• Reconnaissance tools for extracted URLs:
  • Whois Scan
  • HTTP headers viewer
  • URL Source viewer
  • GEO-IP location
• Some Fun Stuffs that include:
  • Dark Mode
  • Inbuilt chiptune player (Jam on to some classic chiptune while it does the work)

Also Read – Vulmap :Online Local Vulnerability Scanners Project

Install

$ git clone https://github.com/Tuhinshubhra/ExtAnalysis
$ cd ExtAnalysis
$ pip3 install -r requirements.txt

For proper analysis don’t forget to add your virustotal api.

How do I use it?

Once the installation is done you can jump straight ahead and run it by running the command: $ python3 extanalysis.py It should automatically launch it in a new browser window.

For other options check out the help menu $ python3 extanalysis.py --help

usage: extanalysis.py [-h HOST] [-p PORT] [-v] [-u] [-q] [–help]

optional arguments:
-h HOST, –host HOST Host to run ExtAnalysis on. Default host is 127.0.0.1
-p PORT, –port PORT Port to run ExtAnalysis on. Default port is 13337
-v, –version Shows version and quits
-u, –update Checks for update
-q, –quiet Quiet mode shows only errors on cli!
–help Shows this help menu and exits

Python Modules Used:

• flask for the webserver
• python-whois for Whois lookup
• maxminddb for parsing the Geo-IP database
• requests for http headers and source code viewer

Screenshots