mesvcdesk_scan_internal_external

Explanation

This NDM is designed to detect scanning activity exiting the customer's network that is looking for an application service that ManageEngine ServiceDesk systems run on port 14003. ManageEngine ServiceDesk is an enterprise service management platform. Outbound ManageEngine ServiceDesk scanning may be indicative of an infection and an attacker using a compromised machine on the customer network to pivot further outside of the network.

What to Look For

Scans launched from your network may be an indication that your network is compromised. Investigate hosts that are the source of this sort of activity in order to make sure that it is authorized and expected, and the hosts have not been compromised. This event could false positive in a situation where Netography has not been configured with the appropriate internal network IP address ranges.

Related MITRE ATT&CK Categories

Network Service Discovery, Technique T1046 - Enterprise

Active Scanning, Technique T1595 - Enterprise