aircrack-ng

802.11 wireless network auditing and password cracking tool

brewmacoslinux

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Next-generation aircrack with lots of new features

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Enable monitor mode on wireless interface$ airmon-ng start wlan0

Capture wireless traffic and save to file$ airodump-ng -w capture --bssid AA:BB:CC:DD:EE:FF mon0

Crack WPA/WPA2 password from captured handshake$ aircrack-ng -w wordlist.txt -b AA:BB:CC:DD:EE:FF capture-01.cap