Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0008 ✕ technique: T1550 ✕

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  • Suspicious SMB connection from domain controller Low

    A domain controller has initiated an SMB connection to another host. The domain controllers usually communicate over SMB only with other domain controllers. An attacker can abuse such sessions for relay attacks.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    7 Days
    ATT&CK tactics: Lateral Movement (TA0008)
    ATT&CK techniques: Use Alternate Authentication Material: Pass the Hash (T1550.002)
    Required data: Palo Alto Networks Firewall traffic Logs XDR Agent Third-Party Firewalls
    Attacker's goals: An attacker is attempting to steal credentials and move laterally within a network.
    Investigative actions: Check if the destination is domain controller, if it is, exclude it. Look for earlier connections to the DC, which may cause it to initiate the session.