Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters.

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  • An uncommon file added to startup-related Registry keys Informational 5 variations

    An attacker may add a file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Persistence (TA0003)
    ATT&CK techniques: Boot or Logon Autostart Execution (T1547)
    Required data: XDR Agent with eXtended Threat Hunting (XTH)
    Attacker's goals: Gain persistence using the legitimate Windows registry run key mechanism, which executes files or scripts on user login or computer boot.
    Investigative actions: Verify if the registered file is malicious. Check if the installing software is a malicious binary or script.

    Variations

    An uncommon file added to startup-related Registry keys by an unsigned and unpopular CGO process

    Low overridden

    An attacker may add a file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. overridden

    An uncommon script added to startup-related Registry keys

    Low overridden

    An attacker may add a script to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. overridden

    An uncommon file added to startup-related Registry keys by a commonly known and signed application

    Low overridden

    An attacker may add a file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. overridden

    An uncommon LOLBIN added to startup-related Registry keys

    Low overridden

    An attacker may add a LOLBIN to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. overridden

    An uncommon file added to startup-related Registry keys by a remote actor

    Low overridden

    A remote attacker may add a file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. overridden