smartinst_scan_external

Explanation

This NDM is designed to detect Cisco SmartInstall scanning that is hitting the customer’s network from the Internet. Cisco SmartInstall is a configuration and image-management feature for switches.

What to Look For

Scanning activity on the Internet is quite commonplace. Under normal circumstances, Cisco SmartInstall should not be exposed to the open Internet.

Related MITRE ATT&CK Categories

Network Service Discovery, Technique T1046 - Enterprise

Active Scanning, Technique T1595 - Enterprise