Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters.

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  • Rare MS-Update Server was detected Informational 1 variation

    The endpoint requested an MS-Update operation from a rare update server.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    2 Days
    ATT&CK tactics: Initial Access (TA0001)
    ATT&CK techniques: Trusted Relationship (T1199)
    Required data: Palo Alto Networks Firewall EAL Logs
    Attacker's goals: The Windows Server Update Services enable machines to discover and download software updates from a dedicated update server. Attackers may use the MS-Update protocol to execute unauthorized code through Microsoft binaries.
    Investigative actions: Inspect the legitimacy of the server as a WSUS functioning server. Verify that your MS-Update network routine is HTTPS enforced* Verify that this MS-Update server is not a newly deployed server as part of a legitimate IT activity.

    Variations

    Rare MS-Update Server was detected

    Informational overridden

    The endpoint requested an MS-Update operation from a rare update server. overridden