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Re: RPC errors - DDoS on the 16th?
- From: Eric Kuhnke
- Date: Tue Aug 12 20:58:41 2003
Has anyone else seen this claim? Somebody at F-Secure thinks the worm will begin a DDoS against windowsupdate.microsoft.com on the 16th.
At 03:08 PM 8/12/2003 -0700, you wrote:
>This should help some for people who are worried
>"Steven M. Bellovin" <firstname.lastname@example.org> wrote:
>In message ,
>"Dominic J. Eidson" writes:
>>On Mon, 11 Aug 2003, Jack Bates wrote:
>>> Sean Donelan wrote:
>>> > http://isc.sans.org/diary.html?date=2003-08-11
>>> > The worm uses the RPC DCOM vulnerability to propagate. One it finds a
>>> > vulnerable system, it will spawn a shell and use it to download the actual
>>> > worm via tftp.
>>> > The name of the binary is msblast.exe. It is packed with UPX and will self
>>> > extract. The size of the binary is about 11kByte unpacked, and 6kBytes
>>> > packed:
>>Has anyone seen/heard of this virus propagating through email in any way?
>>We appear to have been infected on a network that is very heavily
>>firewalled from the outside, and are trying to track down possibly entry
>>methods the worm might have had...
>A large number of networks have unknown and unauthorized back doors.
>If it's a decent-sized network and you haven't audited it, don't assume
>that the firewalling is effective. (My co-author on "Firewalls and
>Internet Security" book, Bill Cheswick, is CTO of a startup that maps
>intranets for just this reason.)
>--Steve Bellovin, http://www.research.att.com/~smb