[42622] in North American Network Operators' Group
Re: Worm probes
daemon@ATHENA.MIT.EDU (Ulf Zimmermann)
Tue Sep 18 14:13:17 2001
Date: Tue, 18 Sep 2001 10:46:03 -0700
From: Ulf Zimmermann <ulf@Alameda.net>
To: "Smith, Rick" <rsmith@atsworld.com>
Cc: 'Daniel Senie' <dts@senie.com>, sigma@pair.com, nanog@merit.edu
Message-ID: <20010918104603.F2286@seven.alameda.net>
Reply-To: ulf@Alameda.net
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In-Reply-To: <88786160BFD1D211B10800A0C9EC744EE1B037@CORP>; from rsmith@atsworld.com on Tue, Sep 18, 2001 at 10:40:23AM -0400
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, Sep 18, 2001 at 10:40:23AM -0400, Smith, Rick wrote:
>
>
> For the past 2 weeks or so, we were averaging 1,200 probes per hour.
>
> As of 8 or so this morning, we started averaging > 25,000 per hour!
>
> I've noticed that at the same time, we started getting probes from our
> provider's space (uniquely 23 addresses there), but not our own. Until this
> morning, we had *0* probes from inside our provider's space.
>
> Maybe this is the next round kicking off, looking for things to infect
> locally before searching the world again.
Simular here, most probes so far are coming from Speakeasy DSL IPs to
my Speakeasy DSL servers. Haven't checked the others yet. So far
about 20k probes.
>
> Rick
>
> P.S. - Right now: (looks like it will be a bit over 25k this hour :)
>
> [root /usr/local/bin]# checkcodered.bash
> Code Red Log Checker
> Beginning Time:
> 10:00:00
> Ending Time:
> 10:32:42
> Number of attacks...
> 31730
> Number of unique addresses...
> 3344
>
>
> -----Original Message-----
> From: Daniel Senie [mailto:dts@senie.com]
> Sent: Tuesday, September 18, 2001 10:26 AM
> To: sigma@pair.com; nanog@merit.edu
> Subject: Re: Worm probes
>
>
>
> At 09:54 AM 9/18/01, sigma@pair.com wrote:
>
>
> >Has anyone else been seeing a dramatic increase in /scripts/.. NT worm
> >probes this morning? We're seeing about 8000/second, starting around 9:15
> >Eastern time, to and from a wide variety of addresses.
> >
> >Is CodeRed or one of its relatives scheduled to start sweeping again today?
> >We've never seen this level of traffic related to the NT worms. Even
> >though we don't run any NT at all, we still have to suffer :(
>
> First ones appeared today, and so far I see 17650 attempts on just one of
> my servers. We don't run any Microsoft stuff either, but that doesn't keep
> our servers from getting hammered...
> -----------------------------------------------------------------
> Daniel Senie dts@senie.com
> Amaranth Networks Inc. http://www.amaranth.com
>
--
Regards, Ulf.
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Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-865-0204
