POST /index.php HTTP/1.1
Host: ctf07.root-me.org:8080
Proxy-Connection: keep-alive
Content-Length: 27
Cache-Control: max-age=0
Origin: http://ctf07.root-me.org:8080
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36
Content-Type: application/x-www-form-urlencoded
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Referer: http://ctf07.root-me.org:8080/login.php?message=Invalid
Accept-Language: es-ES,es;q=0.8
Cookie: s_fid=427C72280B7F3107-2FBA6C7B99B3231D; s_nr=1497299689104; PHPSESSID=4toccadqk3fvghjljq4s6kd450

username=user&password=pass