Uncommon PowerShell commands used to create or alter scheduled task parameters

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

Persistence (TA0003)

ATT&CK Technique

Scheduled Task/Job: Scheduled Task (T1053.005)

Severity

Low

Description

Attackers may create or alter scheduled task parameters to gain higher privileges or persistence on the system.

Attacker's Goals

Create a new scheduled task or alter an existing one to gain persistence in the system or to gain higher privileges.

Investigative actions

  • Examine the PowerShell command to identify suspicious scheduled task creation or modification.
  • Inspect the system for suspicious activity that is triggered by a scheduled task.