Rare Windows Remote Management (WinRM) HTTP Activity

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: Palo Alto Networks Firewall EAL Logs OR XDR Agent
Detector Tags	NDR Lateral Movement Analytics
ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Remote Services (T1021)
Severity	Low

Description

The endpoint performed unfamiliar WinRM HTTP activity to a remote host.

Attacker's Goals

• Attackers may use WinRM to execute code on remote hosts, in an attempt to gain persistence or move laterally in the network.

Investigative actions

• Correlate the WinRM HTTP request from the source host and understand which software initiated it.
• Verify that this isn't IT activity.