How it works?
All is simple. There is a search of coincidence. 
In a base file (data_base.txt), words which meet lie in a web-shells. 
There is a search of these words in files of your site.

Installation Instructions

Installation
1) copy a folder wss in a directory assets/modules
2) enter into the control panel. 
Modules - Management of modules - the New module
Enter a name - wss, 
3) copy a code from a file wss_init.php in the field a module code (php)
4) enter into modules - wss