Hi,

Thanks for the input guys. I found out that the client is running FreeBSD. I
got additional info about the worm's behavior from
http://dammit.lt/apache-worm/. What I can't figure out was why the
compromised machine the recipient of the flood and not the source? Or maybe
it was sent commands from other agents but was not responding ?

-arnold

On Wednesday 11 September 2002 12:36, Michael Katz wrote:
> At 9/9/2002 08:05 PM, Arnold Yancha wrote:
> >Anyone seen this kind of UDP traffic ? A client has been complaining that
> >their bandwidth has been eaten significantly by this type of traffic. I
> >haven't seen any solid reference to it in google. Maybe somebody on this
> > list can shed some light on this. Thanks.
> >
> >-arnold
> >
> > 1 0.000000 63.217.26.35 -> xxx.xxx.xxx.235 UDP Source port: 2001
> >Destination port: 2001
>
> This behavior has been previously reported in systems compromised by an
> Apache worm and reported on this list.
>
> Check the message thread beginning at
> http://lists.insecure.org/incidents/2002/Jul/0019.html for more
> information.
>
> One of many news reports about the worm is available at
> http://www.internetnews.com/dev-news/article.php/1379361
>
> Michael Katz
> mikeprocinct.com
> Procinct Security
>
>
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