From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1FyRWe-0002jd-W5
	for qemu-devel@nongnu.org; Thu, 06 Jul 2006 06:56:05 -0400
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1FyRWd-0002jJ-ME
	for qemu-devel@nongnu.org; Thu, 06 Jul 2006 06:56:04 -0400
Received: from [199.232.76.173] (helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1FyRWd-0002jC-DY
	for qemu-devel@nongnu.org; Thu, 06 Jul 2006 06:56:03 -0400
Received: from [81.29.64.88] (helo=mail.shareable.org)
	by monty-python.gnu.org with esmtps
	(TLS-1.0:DHE_RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1FyRWn-000508-Px
	for qemu-devel@nongnu.org; Thu, 06 Jul 2006 06:56:14 -0400
Received: from mail.shareable.org (localhost [127.0.0.1])
	by mail.shareable.org (8.12.11.20060308/8.12.8) with ESMTP id
	k66Au032017502
	for <qemu-devel@nongnu.org>; Thu, 6 Jul 2006 11:56:00 +0100
Received: (from jamie@localhost)
	by mail.shareable.org (8.12.11.20060308/8.12.8/Submit) id
	k66Au0qY017500
	for qemu-devel@nongnu.org; Thu, 6 Jul 2006 11:56:00 +0100
Date: Thu, 6 Jul 2006 11:56:00 +0100
From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [Qemu-devel] Have any ideas about how to detect whether a program
	is running inside QEMU?
Message-ID: <20060706105600.GA17018@mail.shareable.org>
References: <c13b6c000607052204x33217b2dw4a4f4f28b5c73ecd@mail.gmail.com>
	<1152168950.6324.302.camel@aragorn>
	<c13b6c000607060018y10cf5c8fwdce320e34fb0f333@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <c13b6c000607060018y10cf5c8fwdce320e34fb0f333@mail.gmail.com>
Reply-To: qemu-devel@nongnu.org
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org

James Lau wrote:
>    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.

But hackers can easily modify QEMU source.  So how can you depend on
any feature of QEMU for your security checks?

-- Jamie