RE: [Full-Disclosure] Re: Nachi Worm

> -----Original Message-----
> From: full-disclosure-admin@lists.netsys.com
> [mailto:full-disclosure-admin@lists.netsys.com] On Behalf Of
> Gabriel L. Somlo
> Sent: Thursday, December 04, 2003 4:48 PM
> To: full-disclosure@lists.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@bar.com
>
And *that* is why I love Unix. :-)

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

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Received on Thu Dec 04 18:48:11 2003