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Witty Worm Wrap-up
For our more technical discussion about the Witty worm, see Saturdays diary: http://isc.sans.org/diary.html?date=2004-03-20 We expect to return to infocon 'GREEN' later today. Witty Worm Traffic Infected machines generated outbound UDP traffic at line speed, frequently saturating local area networks. As a result, the traffic generated was high compared to the number of infected hosts. At this time, we have reports for about 20,000 unique IP addresses sending UDP packets from port 4000 over the weekend. The traffic rose very fast, and dropped within the first hour. This is likely a result of the Witty worm's destructive component, which will crash infected systems and prevent them from rebooting. Graphs Witty traffic (packets reported): http://isc.sans.org/images/witty1.jpg Unique IPs per hour: http://isc.sans.org/images/witty2.jpg Geographic Animation: http://isc.sans.org/witty.html (this diary will be updated throughout the day) -------------- Johannes Ullrich, jullrich_AT_sans.org I will be teaching next: Defending Web Applications Security Essentials - SANS San Francisco Winter 2019 |
Johannes 3656 Posts ISC Handler |
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Mar 22nd 2004 1 decade ago |
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