full-disclosure - Re: Full-Disclosure Digest, Vol 89, Issue 15 suspicion of rootkit (Alexandru Balan)

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Message-ID: <8963.1342113074@turing-police.cc.vt.edu>
Date: Thu, 12 Jul 2012 13:11:14 -0400
From: valdis.kletnieks@...edu
To: phocean <0x90@...cean.net>
Cc: "Mikhail A. Utin" <mutin@...monwealthcare.org>,
	full-disclosure@...ts.grok.org.uk
Subject: Re: Full-Disclosure Digest, Vol 89,
	Issue 15 suspicion of rootkit (Alexandru Balan)

On Thu, 12 Jul 2012 18:47:53 +0200, phocean said:

> - Volatility: anything has to sit somehow in the memory, so there is no
> way for it to escape from the analysis.

There's a number of attacks using the MTRR and IOMMU to cause the CPU to have a
different view of memory.  It is indeed possible for something to be sitting in
memory but not be visible to *you* (while still being visible to something that
didn't expect it to be visible, and thus delivering an exploit).

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