Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: Port 80 traffic: Sources Increase - Internet Security | DShield SANS ISC InfoSec Forums


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Port 80 traffic: Sources Increase
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.

http://isc.sans.org/port_details.html?port=80

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
attack.
Handlers

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