def rule(event):
    if all(
        [
            "rundll32.exe" in event.deep_get("CommandLine", default=""),
            any(
                [
                    ".sys," in event.deep_get("CommandLine", default=""),
                    ".sys " in event.deep_get("CommandLine", default=""),
                ]
            ),
        ]
    ):
        return True
    return False
