Analytics BIOC
Informational
✕
Unusual file-sharing links for mailbox owner
The email contains unusual file-sharing link(s) for mailbox owner.
- Module:
- Email Security
- Licensed by:
- Email Security
- Data source:
- Microsoft 365 Emails
ATT&CK tactics: Initial Access (TA0001) Execution (TA0002)
ATT&CK techniques: Phishing: Spearphishing Link (T1566.002) User Execution: Malicious File (T1204.002)
Detector tags: Malicious URLs
Attacker's goals:
Deliver malware or exfiltrate data via auto-download file-sharing links.
Investigative actions:
Analyze the linked file(s) to determine if they pose any security risk. Check the sender's communication history within the organization. Analyze the file reputation using sandbox or threat intelligence sources. Verify whether similar links were sent to other users.
- Test period:
- N/A (single event)
- Deduplication:
- 1 Hour 30 Minutes
1 variation:
- Unusual file-sharing links for organization Low (parent: Informational)