def rule(event):
    if all(
        [
            event.deep_get("Image", default="").endswith("\\schtasks.exe"),
            " /create " in event.deep_get("CommandLine", default=""),
            "shutdown /l /f" in event.deep_get("CommandLine", default=""),
            "WEEKLY" in event.deep_get("CommandLine", default=""),
            not any(
                [
                    "AUTHORI" in event.deep_get("User", default=""),
                    "AUTORI" in event.deep_get("User", default=""),
                ]
            ),
        ]
    ):
        return True
    return False
