Re: [WISPA] Conficker Attack?

2009-06-11 Thread Charles Wyble
Ryan Ghering wrote: > As a side note, my upstream called this morning, asked if they could remove > the access-list, stating its policy to only leave ACL's in place for 12 to > 24 hours. > I asked them If this was conficker what can be done to permently block it. Do they have an IPS in place?

Re: [WISPA] Conficker Attack?

2009-06-11 Thread David E. Smith
Ryan Ghering wrote: > what other > attacks use 445 tcp ? tcp/445 is probably one of the most-attacked ports on the Internet, so that's not terribly unusual. http://isc.sans.org/port.html?port=445 has an interesting historical list of different attacks that use that port, going back to 2002. One

Re: [WISPA] Conficker Attack?

2009-06-11 Thread Josh Luthman
If 445 is the Windows SMB port then a whole bunch of viruses use it. Something like 90% of viruses? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 "When you have eliminated the impossible, that which remains, however improbable, must be the truth."

[WISPA] Conficker Attack?

2009-06-11 Thread Ryan Ghering
So last night at about 10 pm we started to receive the largest flood I have ever seen. It looked like a DDOS attack, looking into my router the tcp flow showed an input queue of over 100 million pps on my DS3 upstream. By default we block all Microsoft internal ports in and out bound on our upstrea