How to Hack WPA WiFi Passwords by Cracking the WPS PIN. A flaw in WPS, or WiFi Protected Setup, known about for over a year by TNS, was finally exploited with proof.
Library Card Number or EZ Username Last Name or EZ Password Phone Last four digits Not required for EZ Login.
Jan 01, 2009 Hacking WIFI WPA/WPA2 password audit no need remember any command less then 1 minute only, WPA/WPA2 are secure then WEP, but if your WPA/WPA2 password.
Thank you now I can protect myself from this type of attack. FYI there is specialized firmware that you can put on your router/modem that will give you more security.
EDITOR S NOTE: Be advised, in order to perform this exercise, you WILL need to see Offensive Security As Your Self Defense. This will instruct you on how and where to download and install Kali Linux. It is essential that you download the correct version for your machine s archetype. The instructions are simple if you follow them correctly. Leave a comment with any questions.
Also, check out my latest video tutorial Hacking Accounts Using SSLstrip and Arpspoof.
People assume that because their wireless encryption key is WPA2 standard, they are safe from cyber attack. They are wrong. Reaver is a program inside of Kali Linux that allows an attacker maybe that creepy neighbor of yours that never comes out of their apartment without taking weird to a new level, easily compromise your routers password by attacking the PIN authorization process between your router and other devices. See, with your router s PIN, a password is not needed. In fact, because Reaver doesn t use a dictionary file to bruteforce your password, it doesn t matter how strong or long it is and Reaver WILL eventually crack the PIN.
Your router s PIN is eight 8 numbers long. Your router knows four of these numbers and any devices that use the wireless password knows the other four numbers. Reaver randomly runs every possible combination of four numbers until it cracks the PIN. Then voila. The attacker gets your full PIN and your Password..
How to protect yourself:
Set your wireless router to LOCK WPS. This locks your WPS PIN and makes you invulnerable to this method of attack.
Lets Learn How This Attack Is Carried Out
In order to use Reaver, you need to get your wireless card s interface name, the BSSID of the router you re attempting to crack which I will show you how to find, and you need to make sure your wireless card is in monitor mode. So let s do all that.
Find your wireless card:
Inside Terminal, type: iwconfig
Press Enter. You should see a wireless device in the subsequent list. Most likely, it ll be named:
wlan0 or wlan1
But if you have more than one wireless card, or a more unusual networking setup, it may be named something different.
Put your wireless card into monitor mode: Assuming your wireless card s interface name is: wlan0
Execute the following command to put your wireless card into monitor mode:
airmon-ng start wlan0
This command will output the name of monitor mode interface, which you ll also want to make note of. Most likely, it ll be: mon0
Find the BSSID of the router you want to crack:
Lastly, you need to get the unique identifier of the router you re attempting to crack so that you can point Reaver in the right direction. To do this, execute the following command:
When you see the network you want, press Ctrl C to stop the list from refreshing, then copy that network s BSSID it s the series of letters, numbers, and colons on the far left. The network should have WPA or WPA2 listed under the ENC column.
Now, with the BSSID and monitor interface name in hand, you ve got everything you need to start up Reaver.
Crack a Network s WPA Password with Reaver
To find out if the AP you are attacking usese WPS vulnerable to Reaver, you can use:
wash -i mon0
Look under the LOCK column. If your target BSSID has it s WPS LOCKED you will see yes for LOCKED WPSs, then Reaver will not be able to crack the PIN. If you see a no, then continue
Now execute the following command in the Terminal. replacing and monitor interface and the BSSID with the BSSID that you copied down above :
reaver -i mon0 -b bssid -vv
For example, if your monitor interface was mon0 like mine, and your BSSID was
a BSSID I just made up, your command would look like:
reaver -i mon0 -b 8D:AE:9D:65:1F:B2 -vv
Press Enter, sit back, and let Reaver work its disturbing magic. Reaver will now try a series of PINs on the router in a brute force attack, one after another. This will take a while. In my successful test, Reaver took about 6 hours to crack the PIN and deliver me the correct password. The Reaver documentation says it can take between 4 and 10 hours so it could take more or less time than I experienced, depending.
THIS TUTORIAL IS INTENDED FOR INFORMATIONAL AND EDUCATIONAL USE ONLY
Use these techniques only on networks that you explicitly own.
A comprehensive guide to cracking wi-fi using the aircrack suite. If you re the admin of a home or business wireless network then it s important that you know.
Hacking WPA / WPA2 Encrypted NetworksPart II of my Network Security How-To Series: 1 ARP Spoofing from a Mobile Device 2 Hacking WPA / WPA2 Encrypted.
The WiFi Protected Setup protocol is vulnerable to a brute force attack that allows an attacker to recover an access point s WPS pin, and subsequently the WPA/WPA2.
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