LOLBIN created a PSScriptPolicyTest PowerShell script file

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent
  • Requires:
    • eXtended Threat Hunting (XTH)

Detection Modules

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

Command and Scripting Interpreter: PowerShell (T1059.001)

Severity

Informational

Description

A LOLBIN created a PSScriptPolicyTest file. This may be a sign of malicious PowerShell execution without directly invoking the powershell.exe binary.

Attacker's Goals

Executing PowerShell scripts in a stealthy manner.

Investigative actions

  • Investigate the process and command line that created the file and whether it's benign or normal for this host.
  • Investigate the created PowerShell file for potential malicious commands.

Variations

LOLBIN created a larger than usual PSScriptPolicyTest PowerShell script file

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

Command and Scripting Interpreter: PowerShell (T1059.001)

Severity

Medium

Description

A LOLBIN created a PSScriptPolicyTest file. This may be a sign of malicious PowerShell execution without directly invoking the powershell.exe binary.

Attacker's Goals

Executing PowerShell scripts in a stealthy manner.

Investigative actions

  • Investigate the process and command line that created the file and whether it's benign or normal for this host.
  • Investigate the created PowerShell file for potential malicious commands.