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When deadline for the attack was passed, one machine was still
(somewhat) up. However, immediatly after the deadline, this machine (located
in the USA) was totally swamped under network traffic.
We've tried connecting to it, just like the virus does. We do this from
three different sensors from three different machines in three different
countries. We haven't been able to connect to it once. If we can't connect,
neither can the viruses.
So the attack failed. Whoa.
We'll keep monitoring until 22:00 UTC. If we're not able to connect once, we
can safely say that the attack was prevented.
From: Andrew Kerr [mailto:andrew_kerr () iamnos ca]
Sent: Friday, August 22, 2003 3:43 PM
To: Jay Hennigan
Cc: nanog () merit edu
Subject: Re: Sobig.f surprise attack today
Jay Hennigan wrote:
On Fri, 22 Aug 2003, Andrew Kerr wrote:
Its been posted here, and f-secure has it, but I wrote a quick script
to keep an eye on the 20 servers and dump the output to a simple page:
(Updates about every 5 mins)
You're probing the list of NTP servers the worm uses to get the date,
not the list of hosts to which it "phones home".
A few people pointed that out. By the time this message hits the list,
it should be corrected.
- [no subject] Unknown (Jun 01)