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Know Your Enemy: Worms at War

PublisherHoneynet Project
Format HTMLDate added09 Nov 2000
Topics Application Security Tools, Security Standards
Downloads50

This paper was born out of pure curiosity. Our Honeynet was being pounded with UDP port 137 and TCP port 139 scans. The network was getting scanned 5-10 times a day on these ports and something was up. The goal was to learn what these scans were all about. What was out in the Internet causing all of this activity? Based on the ports, we assumed that the scans were looking for Window's based vulnerabilities. The plan was to setup a Win98 honeypot, sit back and wait. We didn't have to wait long. The Honeynet network does not advertises itself to the Internet. We just put the systems on our network and sit back and wait. That means that the majority of scans we receive are random scans that are most likely probing most of the Internet. These are the same threats your systems face. As these scans are probing Windows based systems, they are most likely focusing on the common homeowner with a DSL or Cable connection to their house.

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