Gerix Cracker On Backtrack 5

GERIX WEP CRACKING

Aim 

• The aim of this tutorial is to guide  you how to crack the W.E.P Encryption .

Introduction 

• Gerix Wifi Cracker is a GUI  based application which is already installed on your Backtack 5r2.
• Special thanks to Emanuele Gentilli and Emanuele  Acri  who created this tool .
• Its a excellent tool which make your wifi cracking a lot easier . 

How To Open Gerix 

• To open Gerix-wifi-cracker-ng   follow the path given below - 
• BackTrack > Exploitation Tools > Wireless Exploitation Tools > WLAN Exploitation > gerix-wifi-cracker-ng
• See the below image for more help - 

Configuration

• Your first  step is to click on the configuration tab .
• Once you click on the configuration tab ,you can see like the image given below - 
• See the below image for more details - 

Gerix Configuration : Set random MAC & Enable Monitor Mode

• First step is to spoof the  MAC Address. 
• To spoof click on the Set random MAC address.
• After spoofing , enable the monitor mode .
• To enable Monitor Mode : First select the Wlan0 interface and then click on Enable/Disable Montor Mode.
• See the below image for more details -

Rescan Network & Select Target 

• Once you completed the above steps successfully , now click on the Rescan network (as shown in the below image ) . 
• After click on a ' Rescan network ' , its shows the various network , now select 1 target as i had selected God!1 .
• See the below image for more help - 

WEP Control Panel 

• Now Click on the WEP tab and click on the ' Start Sniffing and Logging  '.
• It start a new terminal named sniff dump which collect the data packets  as shown in the next image .
• See the below image for more details - 

• In the below  image you can see that the data is start capturing .
• If you can't the image clearly click on the image to zoom it .
• See the below image for more details - 

 Test the Injection 

• Click on the Perform a test if injection AP To verify that you are close enough to the access point . 
• See the below image for more details - 

Cracking 

• Now once you have collection more than 5000 to 10000 packets , now time to crack the encryption.
• To crack the WEP Encryption , Use Aircrack-ng
• So , first go to the Cracking Tab and the  click on the ' Aircrack-ng - Decrypt WEP Password '.
• Once you click it , the aircrack will start cracking the key . 
• And at the key found as shown in the below image - 
• See the below image for more details - 

Database 

• In the database tab , you can see key database .
• Also you can save the database in any location in your BackTrack .

Note : If it fails to crack the key , then wait for more data/IV to be captured and then try again.