def rule(event):
    if all(
        [
            "/ecp/default.aspx" in event.deep_get("cs-uri-query", default=""),
            "__VIEWSTATEGENERATOR=" in event.deep_get("cs-uri-query", default=""),
            "__VIEWSTATE=" in event.deep_get("cs-uri-query", default=""),
        ]
    ):
        return True
    return False
