full-disclosure - strange traffic ?

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From: nicola at delvacchio.it (Nicola Del Vacchio)
Subject: strange traffic ?

Il ven, 2004-03-26 alle 16:32, Aditya, ALD [Aditya Lalit Deshmukh] ha
scritto:
> Dear list,
> i am seeing strange traffic ... first something connects to 139 on
> windows workstation ... 2 packets causes the svchost to crash.
> and then i start seeing traffic to port 4444 from the same ip.
>  

from what source the 139 (UDP or TCP) traffic is coming (internal lan?
dmz? RAS? firewall?????)

what is the direction of the traffic on port 4444 (TCP or UDP?) fom
attacker to workstation or workstation to attacker?

> what is this traffic i am seeing ? any new kind of malware trying to
> open of port 4444 with the initial vector of infection on port 139 ?
>  
>  
> the machine is fully patched and protected by firewall from outside
> world with a sniffer logging all the data ie scr, dst ip and ports
> numbers ( this is how i know the above info ) 
>  
a machine is fully patched only with released patches ;-)



> and nothing suspecipous is there on the machine also ... since the
> machine is under heavy watch anything unsual would be caught
> immediatly.... 
>  
>  
yes, a trace will be apreciated...


ciao
nicola


> -aditya
> 
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