Warhol worm

A Warhol worm is an extremely rapidly propagating computer worm that spreads as fast as physically possible, infecting all vulnerable machines on the entire Internet in 15 minutes or less. The term is based on Andy Warhol's remark that "In the future, everyone will have 15 minutes of fame". The analysis was extended by Stuart Staniford to create the flash worm concept. More information on these concepts is in "How to 0wn the Internet in your Spare Time" by Staniford, Paxson, and Weaver (appeared in Usenix Security 2002).

The SQL Slammer worm was the first observed example of a Warhol worm. The mechanism of SQL Slammer's spread used a pseudo-random number generator seeded from a system variable to determine which IP addresses to attack next. In spite of deficiencies in its implementation, the randomized attack was highly effective.

According to a CAIDA-coordinated analysis of the SQL Slammer outbreak, its growth followed an exponential curve with a doubling time of 8.5 seconds in the early phases of the attack, which was only slowed by the collapse of many networks because of the denial of service caused by SQL Slammer's traffic. 90% of all vulnerable machines were infected within 10 minutes, showing that the original estimate for infection speed was roughly correct.

External links

Warhol Worms: The Potential for Very Fast Internet Plagues by Nicholas C. Weaver
report of CAIDA-coordinated study of SQL Slammer/Sapphire
"How to 0wn the Internet in your Spare Time", Staniford, Paxson, Weaver. Usenix Security 2002.
Cross Site Scripting Warhol Worm

Malware topics

Infectious malware	Computer virus Comparison of computer viruses Computer worm List of computer worms Timeline of computer viruses and worms

Concealment	Trojan horse Rootkit Backdoor Zombie computer Man-in-the-middle Man-in-the-browser Man-in-the-mobile Clickjacking

Malware for profit	Privacy-invasive software Adware Spyware Botnet Keystroke logging Web threats Fraudulent dialer Malbot Scareware Rogue security software Ransomware

By operating system	Linux malware Palm OS viruses Mobile virus Macro virus Macintosh (old) viruses Mac OS X malware iOS malware Android malware

Protection	Anti-keylogger Antivirus software Browser security Internet security Mobile security Network security Defensive computing Firewall Intrusion detection system Data loss prevention software

Countermeasures	Computer and network surveillance Operation: Bot Roast Honeypot Anti-Spyware Coalition

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