Analytics BIOC Informational

Azure mailbox rule creation

A Mailbox rule in Azure was created.

Module:
Cortex Cloud
Licensed by:
Cloud Runtime Security (CRS)
Data source:
Azure Audit Log, Microsoft Graph Logs
ATT&CK tactics: Collection (TA0009) Defense Evasion (TA0005)
ATT&CK techniques: Email Collection: Email Forwarding Rule (T1114.003) Indicator Removal: Clear Mailbox Data (T1070.008)
Detector tags: Microsoft Graph Activity Logs
Attacker's goals:

Intercept or exfiltrate sensitive information.

Investigative actions:

Investigate the rule's details and confirm its legitimacy. Look for any unusual behavior originated from the suspected identity, and check if they're compromised.

Test period:
N/A (single event)
Deduplication:
5 Days
1 variation:
  • Unusual Azure mailbox rule creation Low (parent: Informational)