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Tools required: 1] CommView for Wi-Fi
2] Aircrack-ng (Windows based)
Now open your “CommView” for Wifi and go to “file option” and click on “file capture” like shown in the figure below:
After that a new window appears and then click on “start scanning”.
After scanning its shows the list of all channels and the wireless networks which are running on specified channels as shown in the figure below:
In the above figure I selected a network which is running on channel 6.For details see the right side of the window, it shows the network encryption type, SSID and MAC address. Then click on “capture” and wait for the packet data. You have to create a minimum of 5000 packets for cracking a WEP key. When the numbers of packets are high, it’s easier for you to crack the key as shown in the figure below:
When sufficient packets create the “go to file option”, click on “stop capture”.
After the capturing process is complete, it creates a log file in the “log folder”. You can check your log folder directory by clicking on “log tab”. In the figure below it shows the directory of “my log folder” which is in “my documents/CommView for Wifi/Logs”.
Tools required: 1] CommView for Wi-Fi
2] Aircrack-ng (Windows based)
Now open your “CommView” for Wifi and go to “file option” and click on “file capture” like shown in the figure below:
After that a new window appears and then click on “start scanning”.
After scanning its shows the list of all channels and the wireless networks which are running on specified channels as shown in the figure below:
In the above figure I selected a network which is running on channel 6.For details see the right side of the window, it shows the network encryption type, SSID and MAC address. Then click on “capture” and wait for the packet data. You have to create a minimum of 5000 packets for cracking a WEP key. When the numbers of packets are high, it’s easier for you to crack the key as shown in the figure below:
When sufficient packets create the “go to file option”, click on “stop capture”.
After the capturing process is complete, it creates a log file in the “log folder”. You can check your log folder directory by clicking on “log tab”. In the figure below it shows the directory of “my log folder” which is in “my documents/CommView for Wifi/Logs”.
REFERENCES:
http://www.squidoo.com/what-is-wifi
http://mobileoffice.about.com/od/glossary/g/wi-fi.htm
http://en.wikipedia.org/wiki/Wi-Fi
http://compnetworking.about.com/od/wirelesssecurity/f/what-is-a-wireless-key.htm
http://compnetworking.about.com/od/wirelessfaqs/f/wep_keys.htm
http://compnetworking.about.com/cs/wirelesssecurity/g/bldef_wpa.htm
Fonte:InfoSecInstitute