Backtrack 5 Breaking WIFI WPA2-PSK Keys

WPA2-PSK:

 

Well the following tutorial shows how to crack a WPA2-PSK key, whenever they want to increase the security of your wireless network WPA2-PSK occupy a more robust method than WEP encryption. Basically the difference is that WPA2-PSK key is that it supports up to 63 alphanumeric keys, and depending on the pre-share-key, the system generates new keys transmitted to other computers, which makes encryption action.

 

Now let's break WPA2-PSK key: 
Tutorial

The first thing to do is run the command:

# Airmon-ng start wlan0

The second command to execute it:

With this command we look for available networks and information regarding BSSID, PWR Beacons # Data, Channel, etc..

Finally run the following code:

# Reaver mon0-b-i-c BSSID channel network name

(Pictured agrees to decrypt network, obtaining the BSSID)

I executed the command starts to work and decrypt ..!

Finally hope and gives us the following information, which gives us the password for the network to find which would:

WPA PSK: 'jn20110x', obviously the write without quotes.

Well, that would be all, only in 3 easy steps.

Note that the waiting time is between 10 minutes and up, depends on signal strength.

BTA COUNCIL

Well as advice BTA, we recommend entering your router settings and make a record by MAC teams sailing in your LAN, so you avoid any kind of attack and turn your network safer.