full-disclosure - Re: Nachi Worm

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From: pauls at utdallas.edu (Schmehl, Paul L)
Subject: Re: Nachi Worm

> -----Original Message-----
> From: full-disclosure-admin@...ts.netsys.com 
> [mailto:full-disclosure-admin@...ts.netsys.com] On Behalf Of 
> Gabriel L. Somlo
> Sent: Thursday, December 04, 2003 4:48 PM
> To: full-disclosure@...ts.netsys.com
> Subject: [Full-Disclosure] Re: Nachi Worm
> 
> I just use nmap to scan for machines listening on tcp port 
> 707. Very few false positives, good scaling:
> 
> nmap -sS -p707 -oG - AAA.BBB.0.0/16 | grep 'Ports: 707/open/tcp' \
>                                     | cut -d' ' -f2 \
>                                     | sort -t. -k3,3n -k4,4n \
>                                     | mail -s "Nachi 
> suspects" foo@....com
> 
And *that* is why I love Unix.  :-)

Paul Schmehl (pauls@...allas.edu)
Adjunct Information Security Officer
The University of Texas at Dallas
AVIEN Founding Member
http://www.utdallas.edu/~pauls/