5 Steps Wifi Hacking – Cracking WPA2 Password | py hacks

5 Steps Wifi Hacking – Cracking WPA2 Password

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 points have a Wi-Fi Protected Setup enabled by default (even after we hard reset the access point).

Requirements:

5 Steps Wifi Hacking - Cracking WPA2 Password

1. Wireless card (support promiscuous mode) In this tutorial, I use ALFA AWUS036H from Amazon.
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 on how to create keyboard shortcut on kali Linux)this command will list our wireless card that is attached to our system.
2. In the next step, we need to stop our wireless monitor mode by running airmon-ng stop wlan0
3. Now we ready to capture the wireless traffic around us. By running airodump-ng wlan0 our wireless interface will start capturing the data.

Information:

• BSSID (Basic Service Set Identification): the MAC address of the 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: This shows the wireless network name. The so-called “SSID”, which can be empty if SSID hiding is activated.

      4. From step 3 above, we can find an 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. 

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.
            reaver -i -b –fail-wait=360
Because we already get the information from step 3 above, so my command looks like this:
reaver -i wlan0 -b E0:05:C5:5A:26:94 –fail-wait=360
it took about 5 hours to crack 19 characters WPA2 password (vishnuvalentino.com) from my Kali VirtualBox, but it depends on our hardware and wireless card.

Conclusions:

• WPA and WPA2 security implemented without using the Wi-Fi Protected Setup (WPS) feature are unaffected by the security vulnerability.
• To prevent this attack, just turn off our WPS/QSS feature on our access point. 

Notes: Only practice this tutorial on your own lab and your own device. Hacking can be a crime if you don’t know where to put it.

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