[framework] Payload Bugs ?

[Thomas Werth]

ok, but how do i append ?
i doubt $payload .= "sub esp,3500" would do it, am i wrong ?
How would i exactly append this in perl and how in msf.rb file ?

J. M. Seitz schrieb:
> I think a simple:
> 
> sub esp,3500 
> 
> Would do it, prepend to your shellcode. 
> 
> JS
>> -----Original Message-----
>> From: Thomas Werth [mailto:security at vahle.de] 
>> Sent: Tuesday, August 28, 2007 10:50 PM
>> To: framework at metasploit.com
>> Subject: Re: [framework] Payload Bugs ?
>>
>> Patrick Webster schrieb:
>>> I assume your german return address is correct.
>>>
>>> Try using a shellcode with a stack adjustment of -3500.
>>>
>>> Otherwise your payload may be using bad characters which are not 
>>> accepted, or the payload code is changed by other 
>> instructions before 
>>> you execute, by the target application?
>>>
>>> -Patrick
>>>
>> How exactly can i do this ? This sounds really interessting, 
>> but i didn't find a "Adjust Stack for dummies guide" ;) Can 
>> you gimme a small example ?
>