Vulnerability Development: Re: AlphaNumeric Exploitation Help

[Felix Lindner <felix.lindner () nruns com>]

On 26 May 2005 11:38:25 -0000
<ramatkal () hotmail com> wrote:
> I am trying to exploit a vulnerable server which only allows
> alphanumeric characters....
>
> I have successfully taken control of EIP and now need to do a JUMP -600
> bytes.....
>
> Anyone got any ideas/tricks/advice on how i can accomplish a JMP -600 bytes,
> or any type of jump for that matter, only using alphanumeric chars?
You will need at least on register (I assume IA-32 here) pointing to your
current point of execution. Could you provide more detail on the vuln and how
you want to exploit it?

Felix

-- 
 Felix Lindner, CISSP | Senior Security Consultant, n.runs GmbH
         fx () nruns com | +49 (0)171 740 20 62
real hackers don't die, their TTL expires