Re: [Xen-users] Need xen info

[Anthony Liguori <aliguori@xxxxxxxxxx>]

First, please don't cross-post.  It's impolite.

You want to modify an emulator.  QEMU or Bochs would be a good start.  
The only way to trace an applications execution at the instruction level 
in Xen would be put it in debug mode which you have said is not a 
possibility.  Xen always runs application code on bare-metal.
Regards,

Anthony Liguori

milind c wrote:

> Hi,
>
>  
>
> I am fairly new to xen.
>
>  
>
> I have installed Xen to solve the following problem:
>
>  I want to run an arbitrary binary in a sandboxed environment (like 
> virtual machine) and get the execution trace ( that is all the 
> instructions executed  while running) of the application. With this 
> execution trace, I am developing algorithm to compare with the static 
> disassembly to check for mismatch and find out possibility of the 
> binary being a malicious software.
>  
>
>  However I do not how to get the entire execution trace of an 
> application in Xen. It would be great if some one can suggest how to 
> get the execution trace on xen.
>  Obviously I don't want to run the application under debug / ptrace, 
> because many malicious softwares are intelligent enough and act as 
> good guys when run under debug mode.
>  
>
>  Regards
>
>  Milind
>
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>
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