def rule(event):
    if all(
        [
            event.deep_get("EventID", default="") == 5145,
            event.deep_get("RelativeTargetName", default="").endswith(
                "\\Internet Explorer\\iertutil.dll"
            ),
            not event.deep_get("SubjectUserName", default="").endswith("$"),
        ]
    ):
        return True
    return False
