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A VMware Guest to Host Escape Story

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A VMware Guest to Host Escape Story

Kostya Kortchinsky

Immunity, Inc.

BlackHat USA 2009, Las Vegas

Why deviices?

? I don't have enough lowlevel

system Mojo ?

? They are common to all VMware products

? They “run” on the Host

– vmwarevmx

process

? They can be accessed from the guest

– Through Port I/O or memorymapped

I/O

? They are written in C/C++

? They sometimes parse some complex data!

Download: http://www.blackhat.com/presentations/bh-usa-09/KORTCHINSKY/BHUSA09-Kortchinsky-Cloudburst-SLIDES.pdf

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