CERT Advisory CA-2003-20 – CERT announces that the exploitation of the RPC/DCOM vulnerability on Windows has now taken the form of a worm known as the W32/Blaster worm. This worm retrieves a binary that is then used to launch further attacks and is poised to launch a denial of service against windowsupdate.com.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31538/CA-2003-20.blaster.txt
Source: https://packetstormsecurity.com/files/31538/CA-2003-20.blaster.txt.html