Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters.

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  • Recurring access to rare domain Low 1 variation

    The endpoint is periodically connecting to an external domain (categorized as malware) that it and its peers rarely use. Access to this domain has occurred repeatedly over multiple days. This connection pattern is consistent with malware connecting to its command and control server for updates and operating instructions.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Command and Control (TA0011)
    ATT&CK techniques: Application Layer Protocol (T1071)
    Required data: Palo Alto Networks Firewall EAL Logs Palo Alto Networks Firewall threat Logs XDR Agent Third-Party Firewalls
    Attacker's goals: Communicate with malware running on your network to control malware activities, perform software updates on the malware, or to take inventory of infected machines.
    Investigative actions: Identify the process/user contacting the remote domain and determine whether the traffic is malicious. Look for other endpoints on your network that are also periodically contacting the suspicious domain.

    Variations

    Recurring access to rare domain

    Low overridden

    The endpoint is periodically connecting to an external domain (categorized as command-and-control) that it and its peers rarely use. Access to this domain has occurred repeatedly over multiple days. This connection pattern is consistent with malware connecting to its command and control server for updates and operating instructions. overridden