From http://www.f-secure.com/v-descs/sobig_f.shtml

Update on 19:00 UTC 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. -----Original Message----- 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:

http://207.195.54.37/sobig.html

(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.