Virus-like program that spreads automatically to other computers by sending itself out by email or by any other means. A program that propagates itself by attacking other machines and copying itself to the affected machine.
Worms have self-replicating code that travels from machine to machine by various means. A worms first objective is merely propagation. Worms can be destructive depending on what payload they have been given. Worms may replace files, but do not insert themselves into files.
Comment:
IRCbot.06.040 exploits "Windows Server Service Buffer Overflow" MS06-040 against Windows 2000 machines. It creates a service with the display name "Windows Genuine Advantage Registration Service". It opens port 18067 and waits for commands.
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