Reaver now comes installed with Backtrack 5 R2 and higher, so installing it is no longer necessary. Use the command reaver --help to see if it is installed.
Here is step by step tutorial for Reaver and Backtrack 5 WPA WPA 2 crack. Once running it should take no more then 2 to 10 hours to crack a WPA WPA2 encrypted router. www.wirelesshack.org
apt-get install reaver
reaver -i mon0 -b (The BSSID) -vv
airmon-ng start wlan0
All information in this YouTube video is for testing and educational purposes only; for use by network security administrators or testing the security of your own wireless connection.