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Thread: Intel VT-x technology

  1. #1
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    Intel VT-x technology

    I've been reading about Intel Virtualization Technology lately.

    It is supposed to completely isolate a VM from the host OS and prevent a guest OS from being aware it is run inside a VM.
    It is supposed to be more secure by giving a VM direct hardware access.

    NOTE: Intel never implies 100% reliability.

    One of the independent papers I read:
    http://altair.snu.ac.kr/newhome/kr/course/system_software/2005/SystemVM2.ppt

    Do the VMX instructions really make a difference about how the VM is handled?
    Could they prevent a program from noticing it is being run in a VM?

    I would normally test this by myself but I am restricted by my hardware.
    TiGa
    Last edited by TiGa; August 7th, 2007 at 18:09.
    Programming today is a race between software engineers to build bigger and better idiot-proof programs and the Universe trying to produce bigger and better idiots.
    So far, the Universe is winning.

  2. #2
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    It looks like I've found an answer to my question by myself.

    There is a good description of Vanderpool in a paper explaining the Vitriol rootkit:
    http://www.theta44.org/software/HVM_Rootkits_ddz_bh-usa-06.pdf

    Vitriol is the equivalant of Blue Pill for Intel cpus.
    http://www.bluepillproject.org/

    TiGa
    Programming today is a race between software engineers to build bigger and better idiot-proof programs and the Universe trying to produce bigger and better idiots.
    So far, the Universe is winning.

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