Remote service command execution from an uncommon source

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
Detector Tags	Impacket Analytics
ATT&CK Tactic	Lateral Movement (TA0008), Execution (TA0002)
ATT&CK Technique	Remote Services (T1021), System Services: Service Execution (T1569.002)
Severity	High

Description

A remotely triggered service initiated a command execution by a host that rarely triggers services to other remote hosts.

Attacker's Goals

Perform lateral movement to new hosts to expand the foothold within a network.

Investigative actions

• Investigate the processes being spawned on the host for malicious activities.
• Correlate the RPC call from the source host and understand which software initiated it.