SPNs cleared from a machine account

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-18
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 one of the following data sources:
    • Windows Event Collector
      OR
    • XDR Agent with eXtended Threat Hunting (XTH)

Detection Modules

Identity Analytics

ATT&CK Tactic

ATT&CK Technique

Severity

Low

Description

Service principal names were cleared from a machine account.

Attacker's Goals

Elevate privileges from standard domain user to domain admin.

Investigative actions

  • Follow actions performed by the user.
  • Look for associated sAMAccountName rename events.

Variations

SPNs cleared from a machine account for the first time

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

Service principal names were cleared from a machine account.

Attacker's Goals

Elevate privileges from standard domain user to domain admin.

Investigative actions

  • Follow actions performed by the user.
  • Look for associated sAMAccountName rename events.