Analytics Alerts

Browse the Cortex analytics alert reference.

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  • Tampering with Internet Explorer Protected Mode configuration Informational 2 variations

    When an add-on is running inside Protected Mode attempts to launch a broker process (or any other program), the ElevationPolicy Registry key is checked to determine how the process should be launched. Internet Explorer will run a broker process with higher rights that can use the current user's permissions to take actions that would otherwise be prohibited when rendering content inside the Protected Mode sandbox. https://blogs.msdn.microsoft.com/ieinternals/2009/11/30/understanding-the-protected-mode-elevation-dialog/.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Defense Impairment (TA0112)
    ATT&CK techniques: Disable or Modify Tools (T1685)
    Required data: XDR Agent
    Attacker's goals: When an add-on is running inside Protected Mode attempts to launch a broker process, this key is checked to determine how the process should be launched. Attackers may change this value to make the process launch with higher privileges.
    Investigative actions: Check whether the injecting process is benign and if this was a desired behavior as part of its normal execution flow.

    Variations

    Tampering with Internet Explorer Protected Mode default configuration

    Medium overridden

    When an add-on is running inside Protected Mode attempts to launch a broker process (or any other program), the ElevationPolicy Registry key is checked to determine how the process should be launched. Internet Explorer will run a broker process with higher rights that can use the current user's permissions to take actions that would otherwise be prohibited when rendering content inside the Protected Mode sandbox. https://blogs.msdn.microsoft.com/ieinternals/2009/11/30/understanding-the-protected-mode-elevation-dialog/. overridden

    Tampering with Internet Explorer Protected Mode specific app configuration

    Informational overridden

    When an add-on is running inside Protected Mode attempts to launch a broker process (or any other program), the ElevationPolicy Registry key is checked to determine how the process should be launched. Internet Explorer will run a broker process with higher rights that can use the current user's permissions to take actions that would otherwise be prohibited when rendering content inside the Protected Mode sandbox. https://blogs.msdn.microsoft.com/ieinternals/2009/11/30/understanding-the-protected-mode-elevation-dialog/. overridden