Question about Keylogger detection

i have a short Question to Symantec Employees

 

Why NIS do not detect this Keylogging Activity with Settingschange  Firewall -> Program Control from automatic to manual ON.

 

Key-Logger Simulation Test Program

http://www.zemana.com/list/list.aspx?ktgr_id=423

 

if you start this keylogger and write Words into a Notepad , NIS detect nothing.

 

thank for your Answer