A Service Principal was removed from Azure

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

5 Days

Required Data

  • Requires:
    • Azure Audit Log

Detection Modules

Cloud

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Modify Cloud Compute Infrastructure: Delete Cloud Instance (T1578.003)

Severity

Informational

Description

A Service Principal was removed from Azure. This indicates a change in access permissions and may indicate malicious activity.

Attacker's Goals

  • Evade defensive measures by deleting a possibly malicious service principal.

Investigative actions

  • Check the Azure Active Directory audit logs for the details of the removed service principal.
  • Check the Azure role assignments to identify which resources were impacted by the removal of the service principal.