These couple of apps, trap specific windows containing specific text and then send a message back to the server where if you have radmin installed and configured can start a remote access control connection. 
Configurable windows can be searched for. 
 
The ini files are renamed .ini.txt because I couldn't upload ini files. 
 
View the readme for more information.. requires beta functionality 
 
Used some of AutoIT Smith's TCP code.. so big thanks to AutoIT Smith  
 
Edit* added the ability to u