Threat Level: green Handler on Duty: Jan Kopriva

SANS ISC: Port 80 traffic: Sources Increase InfoSec Handlers Diary Blog

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Port 80 traffic: Sources Increase

Published: 2003-12-07
Last Updated: 2003-12-07 21:56:08 UTC
by Handlers (Version: 1)
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The number of sources which scan for port 80 have been increasing. Please take
a look at your web logs to check for any unusual activity.

The number of sources scanning a specific port is usually a very sensitive indicator for new self propagating attacks. Given the significant background
noise from older worms (Code Red, Nimda, Nachia), it is not easy to spot a new
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