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"There may be a virus loose on the internet."

- Andy Sudduth of Harvard, 34 minutes after midnight, Nov. 3, 1988; The What, Why, and How of the 1988 Internet Worm

A Summary of the Robert Morris Case

Analyses of the Attack

Chronological Reports on the Worm and the aftermath

Background Information

  • Unix "Man" (manual) pages regarding the three Unix commands used in the worm's attack. From Hewlett-Packard's HP-UX man pages
    • Fingerd - status report of users currently logged in on the system
    • Sendmail - send mail over the internet
    • Rsh - restricted version of a command programming language that executes commands read from a terminal or a file"
  • RFC 1135: Helminthiasis of the Internet J. Reynolds