PowerShell suspicious flags

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	7 Days
Required Data	XDR Agent
Detector Tags	LOLBIN Execution Analytics
ATT&CK Tactic	Execution (TA0002)
ATT&CK Technique	Command and Scripting Interpreter: PowerShell (T1059.001)
Severity	Medium

Description

Abbreviated flags in PowerShell indicate malicious intent.

Attacker's Goals

Run code to perform actions or download other malicious programs.

Investigative actions

• Check if the initiator process is malicious.
• Check for other operations by the PowerShell instance.