Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. technique: T1048 ✕

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  • Rare SMTP/S Session Informational

    The Simple Mail Transfer Protocol (SMTP) and its SSL-secured variant SMTPS are used to send email. Attackers can use SMTP/S to exfiltrate data from your network.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Exfiltration (TA0010)
    ATT&CK techniques: Exfiltration Over Alternative Protocol (T1048)
    Required data: Palo Alto Networks Firewall traffic Logs XDR Agent Third-Party Firewalls
    Attacker's goals: SMTP and its SSL-secured variant SMTPS are used to send email. Attackers can use SMTP/S to exfiltrate data from your network.
    Investigative actions: Check whether the initiator process is benign or normal for the host and/or user performing it. Check whether additional malicious commands were executed from the same process.