To obtain a WPA-PSK, the command line a syntax would be:Īircrack-ng -a 2 -w password.lst filename.cap The filename.cap file is the name of the file containing the captured packets. The - a 1 tells AirCrack that the program is going to perform a WEP attack. On the command line, launch AirCrack-ng using the following syntax:
To crack WEP, start by opening a console window. Once sufficient packets have been collected, the AirCrack-ng program can be run in order to break the encryption. Once the drivers are installed, begin to collect packets using the included capture program airodump-ng, which collects the appropriate packets and assembles them into one file. Depending on which PC card you need to load the appropriate drivers, instructions for different cards and drivers are available at and AirCrack-ng supports popular wireless cards based on the Atheros, Hermes, and Prism chipsets. To successfully use AirCrack-ng, you have to capture some packets, which need to be captured through the wireless network card. Create a directory named C:\aircrack-win, and extract the archived files into this new directory. The file name format is aircrack-ng-win.zip. To install AirCrack-ng on Windows, download the aircrack-ng-0.6.2-win.zip file containing Aircrack-ng and the associated programs. AirCrack-ng is the “next generation” of the original AirCrack program.
Using AirCrack-ng, WEP is broken through a statistical mathematical analysis, while WPA PSK and WPA2are broken by way of a brute-force attack against known passwords.ĪirCrack-ng is available from As of this writing the current version is 0.6 2. Therefore, knowing how to use AirCrack and associated tools is important for the penetration tester. Brian Baker, in WarDriving and Wireless Penetration Testing, 2007 AirCrack-ngĪirCrack-ng is the best known tool available for cracking WEP and WPA-PSK in Windows. WarDriving and Penetration Testing with WindowsĬhris Hurley.
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