I shall explain all the steps to create the final PoC in order to be more clear.

Part 1. Cookie Injection via Google Analytics

1) Google Analytics sets the cookie to track user source: 123456.123456789.11.2.utmcsr=[HOST]|utmccn=(referral)|utmcmd=referral|utmcct=[PATH] For example: 123456.123456789.11.2.utmcsr=blackfan.ru|utmccn=(referral)|utmcmd=referral|utmcct=/path/ 2) User fully...