Purdue University Purdue e-Pubs Department of Computer Science Technical Reports Department of Computer Science 1989 The Internet Worm Incident Eugene H. Spafford Purdue University,
[email protected] Report Number: 89-933 Spafford, Eugene H., "The Internet Worm Incident" (1989). Department of Computer Science Technical Reports. Paper 793. https://docs.lib.purdue.edu/cstech/793 This document has been made available through Purdue e-Pubs, a service of the Purdue University Libraries. Please contact
[email protected] for additional information. THE INTEUNET WORM INCIDENT Eugene H. Spafford CSD TR·933 November 1989 The Internet Worm Incident Techmcal• Report CSD·TR·933• Eugene H. Spafford Department of Computer Sciences Purdue University West Lafayetlc. IN USA 47907-2004
[email protected] On the cvening of 2 November 1988. someone "inrccLcd" lhe Internet with a worm progrnm. That progrnm exploited flaws in utility progrnms in systems based on BSD-derived versions of UNIX. The flaws allowed lhc program to break into those machines and copy itself. thus infccling those syslems. This program eventually spread to thousands of machines. and disrupted nonnal activities and Inlcrnet connectivity for many days. TIlis paper explains why this program was a wonn (as opposed to a virus). and provides a brief chronology of both the spread and eradication of the program. That is followed by discussion of some specific issues raised by the community's reaction and subsequent discussion of the event. Included are some interesting lessons learned from thc incident November 20. 1989 The Internet Worm Incident Techmcal• Report CSD·TR-933• Eugene H. Spafford Deparunent of Computer Scicnces Purdue University West Lafayette, IN USA 47907-2004
[email protected] 1.