"Over the weekend Stuart Hicks emailed the OSI about an odd
statement made by McAfee in its white paper on botnets:
"Taking the bot controller ofﬂine may kill a botnet. As a
result, many bots use a Dynamic Domain Name System (DDNS) or have a
list of backup IP addresses to survive such an event. Bot
technology is rapidly evolving, often aided and abetted,
unfortunately, by the open-source movement..."