PRESS ROOT TO CONTINUE: DETECTING OSX AND WINDOWS BOOTKITS WITH RDFU

Black Hat USA 2013

Presented by: Tomislav Pericin, Mario Vuksan
Date: Thursday August 01, 2013
Time: 14:15 - 15:15
Location: Palace 1

UEFI has recently become a very public target for rootkits and malware. Last year at Black Hat 2012, Snare’s insightful talk highlighted the real and very significant potential for developing UEFI rootkits that are very difficult, if not impossible, to detect and/or eradicate. Since then, a couple of practical bootkits have appeared.

To combat this new threat, we developed a Rootkit Detection Framework for UEFI (“RDFU”) that incorporates a unified set of tools that address this problem across a wide spectrum of UEFI implementations. We will demonstrate a sample bootkit for Apple OSX that was designed specifically for testing purposes. As a UEFI driver, it infects the OSX kernel utilizing a UEFI “rootkit” technique. The entire infection process executes in memory (by the UEFI driver itself). Therefore, the bootkit does not need to install any OSX kernel extension modules. The bootkit demonstrates the following functionality:

Rootkit Detection Framework for UEFI was developed under DARPA CFT. Following this talk, we will publicly release the RDFU open source code along with whitepapers that outline a possible use case for this technology.

Mario Vuksan

Mario Vuksan co-founded ReversingLabs. He leads there the development of advanced analysis and detection tools and threat services. Previously, Mario was the Director of Research at Bit9, where he built at the time the world's largest collection of intelligence about software. He has presented new open source projects at the last 4 Black Hat Conferences and has also spoken at CEIC, RSA, Defcon, Caro Workshop, Virus Bulletin and AVAR Conferences.

Tomislav Pericin

Tomislav Pericin has analyzed and developed software packing and protection methods for the last 12 years. He is one of the founders of ReversingLabs and the chief software architect behind such projects as TitaniumCore, TitanEngine, NyxEngine and RLPack. He has presented new open source projects at the last 4 Black Hat Conferences and also presented at ReCon, CARO Workshop, SAS and TechnoSecurity conferences.


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