References https://github.com/adysec/POC/blob/main/wpoc/%E5%88%86%E5%8F%91%E7%AD%BE%E5%90%8D%E7%B3%BB%E7%BB%9F/%E8%8B%B9%E6%9E%9CIOS%E7%AB%AFIPA%E7%AD%BE%E5%90%8D%E5%B7%A5%E5%85%B7Sign.php%E5%89%8D%E5%8F%B0%E4%BB%BB%E6%84%8F%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E.md https://cn-sec.com/archives/3386102.html https://cn-sec.com/archives/3381270.html https://github.com/eeeeeeeeee-code/POC/blob/main/wpoc/%E5%88%86%E5%8F%91%E7%AD%BE%E5%90%8D%E7%B3%BB%E7%BB%9F/%E8%8B%B9%E6%9E%9CIOS%E7%AB%AFIPA%E7%AD%BE%E5%90%8D%E5%B7%A5%E5%85%B7request_post%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md https://www.tutusec.com/1339.html https://cn-sec.com/archives/3218356.html