Suspicious usage of Microsoft's Active Directory PowerShell module remote discovery cmdlet

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 with eXtended Threat Hunting (XTH)
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	Remote System Discovery (T1018)
Severity	Informational

Description

An attacker may use one of Microsoft's Active Directory PowerShell module remote discovery cmdlet to reconnaissance the network.

Attacker's Goals

Collect information about the host, network and user configuration for lateral movement and privilege escalation.

Investigative actions

• Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.
• Understand what information the attacker had gathered from the command and investigate relevant assets.