Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters.

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  • Uncommon communication to an instant messaging server Informational 2 variations

    A rare communication between a process to a known instant messaging server.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Command and Control (TA0011)
    ATT&CK techniques: Web Service (T1102)
    Required data: XDR Agent
    Attacker's goals: Data exfiltration or attack tool staging through a trusted service.
    Investigative actions: Examine the legitimacy of the application that made the communication with the provider's server. Examine the parent process of this application. Check for anomalies regarding the time frame where the communication occurred.

    Variations

    Uncommon communication to an instant messaging server by a suspicious process

    Low overridden

    A rare communication by a suspicious process to a known instant messaging server. overridden

    Uncommon communication to an instant messaging server by an uncommon scripting engine execution

    Low overridden

    A rare communication by an uncommon execution of a scripting engine to a known instant messaging server. overridden