Re: Worm side effects

[malware () t-online de (Michael Mueller)]

Hi Geoincidents,

you wrote:
> > AFAIK, the worm uses a standard Windows routine to generate those ICMP
> > packets.
>
> Nope, normal NT ping generates a 60 byte packet not 92 byte.

You still can be both right ;-)

The standard Windows routine as of Windows 2000 does allow sending ICMP
echo requests with an arbitary length, see
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/iphlp/iphlp/icmpsendecho.asp

Yes, and the worm does use it to send 92 byte ICMP echo-request packets. 


Michael

-- 
Linux@TekXpress
http://www-users.rwth-aachen.de/Michael.Mueller4/tekxp/tekxp.html

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