This post is only for educational purposes. Wifi hacking is a crime in real world.
Open Terminal and check the interface name of your wireless adapter using
In my case it is wlan0
To put your wifi adapter in monitor mode, first kill previous monitor processes using
airmon-ng check kill
and check if any conflicting processes using
Now put your wifi adapter in monitor mode using
airmon-ng start wlan0
where wlan0 is your wireless card interface.
Now to capture the packets, we’ll use
where wlan0mon is the wireless monitor mode interface.
After capturing enough packets, hit Ctrl+c and copy the BSSID of the victim router.
Now enter the below command to use Reaver to crack the wifi password.
reaver -i wlan0mon -b BSSID -vv -K 1
where enter the victim’s in place of BSSID. In my case it is
Now Reaver starts cracking the password. Time for cracking the password depends on the complexity of the password! You can see the WPA PSK: password as in the fig.