Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: Analyzing UDF Files with Python - Internet Security | DShield SANS ISC InfoSec Forums


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Analyzing UDF Files with Python

Yesterday, Xavier wrote a diary entry about malicious UDF files.

I wrote about the analysis of .ISO files before, and it turns out the same techniques work for UDF files too.

Python module isoparser can also parse UDF files:

We can retrieve the content:

And calculate the hash of the contained EXE:

 

Didier Stevens
Senior handler
Microsoft MVP
blog.DidierStevens.com DidierStevensLabs.com

 DidierStevens

373 Posts
ISC Handler
Subscribe Apr 19th 2019
3 months ago

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