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Re: [Qemu-devel] Have any ideas about how to detect whether a program is
From: |
Daniel Serpell |
Subject: |
Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU? |
Date: |
Thu, 6 Jul 2006 16:46:40 -0400 |
User-agent: |
Mutt/1.5.11+cvs20060403 |
Hi!
El Thu, Jul 06, 2006 at 03:18:14PM +0800, James Lau escribio:
> My program is a utility for internet payment. It takes an important role in
> the payment process to ensure security. One of the key functions is that
> the program should detect which machine is paying. So while virtual machine
> (like QEMU) is present, it can cheat the program.
> Checking the hard disk model, cpu type, and other hardward informations
> makes little sense. Because the users or the hackers can easily modify
> these informations. So I need a QEMU internal checking method that hackers
> can't easily bypass.
>
Well, as others have argued, this is probably worthless.
But there is a way to detect virtual machines under x86, see
http://invisiblethings.org/papers/redpill.html
But if you run qemu without direct instruction copying, it won't
work (and qemu will run slower), because qemu will correctly
emulate the unprivileged instructions.
Daniel.
- [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?, James Lau, 2006/07/06
- Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?, Natalia Portillo, 2006/07/06
- Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?, John R. Hogerhuis, 2006/07/06
- Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?, James Lau, 2006/07/06
- Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?, Jamie Lokier, 2006/07/06
- Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?,
Daniel Serpell <=
- Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?, Kevin F. Quinn, 2006/07/06
- Re: [Qemu-devel] Have any ideas about how to detect whether a program is running inside QEMU?, G Portokalidis, 2006/07/07
- [Qemu-devel] Re: Have any ideas about how to detect whether a program is running inside QEMU?, Anthony Liguori, 2006/07/07
- [Qemu-devel] Re: Have any ideas about how to detect whether a program is running inside QEMU?, Anthony Liguori, 2006/07/06