It's basically stores some data and helps to exploit XSS (Cross-Site-Scripting), Auth Bypass, Host-Header-Injection and these kinds of attacks.
* GET URL
* Reffer
* User-Agent
Follow the steps.
Download git as zip file.
Upload on your host.
Unzip file.
Create a log.txt file.
Create a folder named "reports"
Modify the 404.php and index.php at line 19 "$chost = "http://your_current_host/";"
The author accepts no responsibility for any kind of abuse. Happy Hacking :)