Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. technique: T1027 ✕

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  • Globally uncommon high entropy process was executed Informational 3 variations

    A process with high entropy and a globally uncommon hash was executed.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Stealth (TA0005)
    ATT&CK techniques: Obfuscated Files or Information (T1027)
    Required data: XDR Agent
    Attacker's goals: Adversaries may attempt to make an executable difficult to discover or analyze by compressing, encrypting, encoding, or otherwise obfuscating its contents.
    Investigative actions: Check if the process' file is either compressed, encrypted, obfuscated or packed.

    Variations

    Globally uncommon high entropy process was executed by a web server process or CGO

    Low overridden

    A process with high entropy and a globally uncommon hash was executed by a web server process or CGO. overridden

    Globally uncommon high entropy process was extracted from an internet-downloaded archive and executed

    Low overridden

    A process with high entropy and a globally uncommon hash was extracted from an internet-downloaded archive and executed. overridden

    Globally uncommon high entropy process was downloaded from an uncommon source and executed

    Low overridden

    A process with high entropy and a globally uncommon hash was downloaded from an uncommon source and executed. overridden