full-disclosure - Re: [Dshield] new msblaster on the loose?

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Message-ID: <20030818075833.52801.qmail@web14701.mail.yahoo.com>
From: victorvieira82 at yahoo.com (Victor Vieira)
Subject: Re: [Dshield] new msblaster on the loose?

Jeremiah, I can tell you with no further delays that at least 60-70% of the portscans I have been catching with a simple homebased personal firewall have been for the two ports you mentioned - especially the 135, much more constant than any other - a predictable happening, with the blast worldwide spread. 
I didn't, however, take the time to analyze the origin of those portscans - I have caught packages from Brazil and the US. Do you have any other statistics on the subject?

Victor Vieira
DSM Losango, Brazil - Lloyds TSB Group
victor.vieira@...ango.com.br 
victorvieira82@...oo.com

Jeremiah Cornelius <jeremiah@....net> wrote:Interesting phenomenon emerging:

We have noticed in our log aggregators that some of the same hosts yesterday
that were doing port 135 scans... today seem to be doing some port 1026
scans. This is a listener port for MS Messenger. List follwers will
remember that this has been used as an avenue for spammers to send "pop-up"
alerts on users desktops.

farm9 (the InfoSec group I work for) is keeping an eye on this - we
correlate syslog, winlog, IDS and firewall data from a dozen or so
enterprises.

Has anybody spotted similar activity? It would be interesting to see if
this is a new worm iteration. Maybe sombody clever has figured they can
deliver MSSBlast.exe or phallus32.exe via Messenger.

I have already noticed curious folks that find that they can bind to a shell
on 4444, and are now fiddling around here - for a minute or so... ;-)

-- 
Jeremiah Cornelius, CISSP, CCNA, MCSE, Debianaut
farm9 Security
email: jc@...m9.com - mobile: 415.235.7689

"What would be the use of immortality to a person who cannot use well a half
hour?"
--Ralph Waldo Emerson

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