] A malicious worm that exploits last month's RPC
] DCOM vulnerability struck the Internet Monday
] afternoon, targeting unpatched Windows 2000 and
] Windows XP machines.
]
] The worm, dubbed "Blaster" and "LovSan" by security
] and anti-virus companies, attacks vulnerable
] machines over TCP port 135, then spawns a shell
] and initiates a TFTP file transfer to retrieve the
] worm's code.

Well get ready the worm is set to DoS windowsupdate.microsoft.com starting this Saturday, 09/15/2003. For more information Symantec has a good write up on the worm at http://www.sarc.com/avcenter/venc/data/w32.blaster.worm.html