How To Hack Wifi Password : Steps Wifi Hacking – Cracking WPA2 Password

Wi-Fi Protected Access (WPA) and Wi-Fi Protected Access II (WPA2) are two security protocols and security certification programs developed by the Wi-Fi Alliance to secure wireless computer networks. The Alliance defined these in response to serious weaknesses researchers had found in the previous system, WEP (Wired Equivalent Privacy)

 A flaw in a feature added to Wi-Fi, called Wi-Fi Protected Setup (WPS), allows WPA and WPA2 security to be bypassed and effectively broken in many situations. Many access point they have a Wifi Protected Setup enabled by default (even after we hard reset the access point).

 Requirements:

 1. Wireless card (support promiscuous mode)
5 Steps Wifi Hacking - Cracking WPA2 Password

2. Access point with WPA2 and WPS enables

 5 Steps Wifi Hacking – Cracking WPA2 Password:

 1. Open our terminal (CTRL+ALT+T) and type airmon-ng (view tips and tricks how to create keyboard shortcut on kali linux)
5 Steps Wifi Hacking - Cracking WPA2 Password
this command will lists our wireless card that attached with our system.

2. The next step we need to stop our wireless monitor mode by running airmon-ng stop wlan0
5 Steps Wifi Hacking - Cracking WPA2 Password

 3. Now we ready to capture the wireless traffic around us. By running airodump-ng wlan0 our wireless interface will start capturing the data.
5 Steps Wifi Hacking - Cracking WPA2 Password

 From the picture above, we can see many available access point with all the information. In the green box is our victim access point which is my own access point 🙂

 Information:

 BSSID (Basic Service Set Identification): the MAC address of access point

 PWR: Signal level reported by the card.

 Beacons: Number of announcements packets sent by the AP

 #Data: Number of captured data packets (if WEP, unique IV count), including data broadcast packets.

 #/s: Number of data packets per second measure over the last 10 seconds.

 CH: Channel number (taken from beacon packets).

 MB: Maximum speed supported by the AP. If MB = 11, it's 802.11b, if MB = 22 it's 802.11b+ and higher rates are 802.11g.

 ENC: Encryption algorithm in use.

 CIPHER: The cipher detected. TKIP is typically used with WPA and CCMP is typically used with WPA2.

 AUTH: The authentication protocol used.

 ESSID: Shows the wireless network name. The so-called “SSID”, which can be empty if SSID hiding is activated.

 4. From the step 3 above, we can find access point with encryption algorithm WPA2 and note the AP channel number. Now we will find out whether target AP has WPS enabled or not.

 5 Steps Wifi Hacking - Cracking WPA2 Password
wash -i wlan0 -c 8 -C -s
if the WPS Locked status is No, then we ready to crack and move to step 5.

 5. The last step is cracking the WPA2 password using reaver.
5 Steps Wifi Hacking - Cracking WPA2 Password

 reaver -i <your_interface> -b <wi-fi victim MAC address> –fail-wait=360

 Because we already get the information from step 3 above, so my command look like this:

 reaver -i wlan0 -b E0:05:C5:5A:26:94 –fail-wait=360
5 Steps Wifi Hacking - Cracking WPA2 Password

 it took about 5 hours to crack 19 characters WPA2 password (vishnuvalentino.com) from my Kali virtualBox, but it depend with our hardware and wireless card.

 Conclusions:

 1. WPA and WPA2 security implemented without using the Wi-Fi Protected Setup (WPS) feature are unaffected by the security vulnerability.

 2. To prevent this attack, just turn off our WPS/QSS feature on our access point. See picture below (I only have the Chinese version 😛 )

at
Location: India

1 comment:

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