Abnormal RDP connections to multiple hosts from a rarely seen host

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	5 Hours
Deduplication Period	1 Day
Required Data	XDR Agent
Detector Tags	NDR Lateral Movement Analytics, Enhanced RDP Analytics, NDR Unmanaged Subnet Analytics
ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Remote Services: Remote Desktop Protocol (T1021.001)
Severity	Low

Description

The endpoint attempted to initiate rare RDP connections to multiple hosts.

Attacker's Goals

• Attackers may attempt to move laterally across the network by using compromised accounts or machines to connect to remote hosts via the RDP protocol.

Investigative actions

• Inspect the legitimacy of the user initiating the RDP connections.
• Verify that this activity is not part of routine IT operations.