Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0043 ✕ technique: T1566 ✕

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  • Email marked as spam and bulk based on Spam Confidence Level and Bulk Complaint Level values Informational Email 4 variations

    The Spam Confidence Level (SCL) and Bulk Complaint Level (BCL) values, detected in the email's antispam headers, indicate that a message is more likely to be spam.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Reconnaissance (TA0043) Initial Access (TA0001)
    ATT&CK techniques: Phishing for Information (T1598) Phishing (T1566)
    Required data: Microsoft 365 Emails
    Detector tags: Spam
    Attacker's goals: Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.
    Investigative actions: Examine email headers to trace origins and check for signs of spoofing. Analyze the email content for spam indicators like suspicious links and aggressive marketing language. Monitor further actions taken, such as file downloads or access to potentially malicious links.

    Variations

    Email with high Spam Confidence Level and Bulk Complaint Level values

    Informational overridden

    The Spam Confidence Level (SCL) and Bulk Complaint Level (BCL) values, detected in the email's antispam headers, indicate that a message is more likely to be spam. overridden

    Email with high Spam Confidence Level or Bulk Complaint Level values

    Informational overridden

    The Spam Confidence Level (SCL) and Bulk Complaint Level (BCL) values, detected in the email's antispam headers, indicate that a message is more likely to be spam. overridden

    Email with medium Spam Confidence Level and Bulk Complaint Level values

    Informational overridden

    The Spam Confidence Level (SCL) and Bulk Complaint Level (BCL) values, detected in the email's antispam headers, indicate that a message is more likely to be spam. overridden

    Email with medium Spam Confidence Level or Bulk Complaint Level values

    Informational overridden

    The Spam Confidence Level (SCL) and Bulk Complaint Level (BCL) values, detected in the email's antispam headers, indicate that a message is more likely to be spam. overridden