Step one: Write or steal a program that will ping an IP address, endlessly.
Step two: Write or steal a program to send the pinging program, to everyone and their neighbor.
Step three: Remotely activate the pinging program, to ping your least favorite website.

When www.windowsupdate.com got pinged by most of the world, it shutdown for a couple days.
moeburn Reviewed by moeburn on . Hacktivists deface Republican web sites with anarchist propaganda http://www.gnn.tv/headlines/headline.php?id=862 Politically motivated hackers calling themselves "the Internet Liberation Front (ILF)" have defaced six Republican web sites on January 18. On the modified pages, it read â??In solidarity with the billions around the world who are being oppressed under the Bush agenda, The Internet Liberation Front has hacked and defaced six Republican websites who push forward the sick and violent ideology of warfare, capitalism, and profit over people.â? Rating: 5