def rule(event):
    if all(
        [
            event.deep_get("ParentImage", default="").endswith("\\UMWorkerProcess.exe"),
            not any(
                [
                    event.deep_get("Image", default="").endswith("wermgr.exe"),
                    event.deep_get("Image", default="").endswith("WerFault.exe"),
                ]
            ),
        ]
    ):
        return True
    return False
