Wireless Wpa2 Crack Windows

This tutorial walks you through cracking WPA/WPA2 networks which use pre-shared keys. I recommend you do some background reading to better understand what WPA/WPA2.

Jan 14, 2016  Dec 26, 2014 Wifi Hacking Password Cracking THUMBS UP SUBSCRIBE if you like it ;- how to crack an wpa2 handshake using hashcat. Crack WPA/PSK WPA2.

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How to Crack a Wpa2-Psk Password with Windows :-It,s very common question on the internet to How to hack a Facebook account password and how to hack a WiFi.

We have updated our tutorial on how to crack WPA / WPA2 with even more powerful and easier to use passphrase recovery tools. We ve also added tips for creati.

Cracking WEP, WPA-PSK and WPA2-PSK wireless security using aircrack-ng

Keywords: aircrack, Wireless, Wi-Fi, WPA, WEP, WPA2, NIC, hash, wordlist, security, SSID, channel

With the popularity of wireless networks and mobile computing, an overall understanding of common security issues has become not only relevant, but very necessary for both home/SOHO users and IT professionals alike. This article is aimed at illustrating current security flaws in WEP/WPA/WPA2.

Successfully cracking a wireless network assumes some basic familiarity with networking principles and terminology, as well as working with command-line tools. A basic familiarity with Linux can be helpful as well.

Disclaimer: Attempting to access a network other than your own, or one you have permission to use is illegal insome U.S. jurisdictions. Speed Guide, Inc. are not to be held liable for any damages resulting from the use or misuse of the information in this article.

To successfully crack WEP/WPA, you first need to be able to set your wireless network card in monitor mode to passively capture packets without being associated with a network. This NIC mode is driver-dependent, and only a relatively small number of network cards support this mode under Windows.

One of the best free utilities for monitoring wireless traffic and cracking WEP/WPA-PSK keys is the aircrack-ng suite, which we will use throughout this article. It has both Linux and Windows versions provided your network card is supported under Windows. The aircrack-ng site has a comprehensive list of supported network cards available here: NIC chipset compatability list.

If your network card is not supported under Windows, one can use a free Linux Live CD to boot the system. BackTrack 3 is probably the most commonly used distribution, since it runs from a Live CD, and has aircrack-ng and a number of related tools already installed.

For this article, I am using aircrack-ng version 1.0 on a Linux partition Fedora Core 10, 2.6 32-bit kernel  on my Sony Vaio SZ-680 laptop, using the built-in Intel 4965agn network card. If you re using the BackTrack 3 CD aircrack-ng is already installed, with my version of linux it was as simple as finding it with:

The aircrack-ng suite is a collection of command-line programs aimed at WEP and WPA-PSK key cracking. The ones we will be using are:

airmon-ng - script used for switching the wireless network card to monitor mode

airodump-ng - for WLAN monitoring and capturing network packets

aireplay-ng - used to generate additional traffic on the wireless network

aircrack-ng - used to recover the WEP key, or launch a dictionary attack on WPA-PSK using the captured data.

As mentioned above, to capture network traffic wihtout being associated with an access point, we need to set the wireless network card in monitor mode. To do that under linux, in a terminal window logged in as root, type:

iwconfig to find all wireless network interfaces and their status

airmon-ng start wlan0   to set in monitor mode, you may have to substitute wlan0 for your own interface name

Note: You can use the su command to switch to a root account.

Other related Linux commands:

ifconfig  to list available network interfaces, my network card is listed as wlan0

ifconfig wlan0 down to stop the specified network card

ifconfig wlan0 hw ether :: change the MAC address of a NIC - can even simulate the MAC of an associated client. NIC should be stopped before chaning MAC address

iwconfig wlan0 mode monitor to set the network card in monitor mode

ifconfig wlan0 up to start the network card

iwconfig - similar to ifconfig, but dedicated to the wireless interfaces.

This step assumes you ve already set your wireless network interface in monitor mode. It can be checked by executing the iwconfig command. Next step is finding available wireless networks, and choosing your target:

airodump-ng mon0 - monitors all channels, listing available access points and associated clients within range. It is best to select a target network with strong signal PWR column,  more traffic Beacons/Data columns and associated clients listed below all access points. Once you ve selected a target, note its Channel and BSSID MAC address. Also note any STATION associated with the same BSSID client MAC addresses.  

running airodump-ng displays all wireless access points and associated clients in range, as well as MAC addresses, SSIDs, signal levels and other information about them.

WEP is much easier to crack than WPA-PSK, as it only requires data capturing between 20k and 40k packets, while WPA-PSK needs a dictionary attack on a captured handshake between the access point and an associated client which may or may not work.

To capture data into a file, we use the airodump-ng tool again, with some additional switches to target a specific AP and channel. Most importantly, you should restrict monitoring to a single channel to speed up data collection, otherwise the wireless card has to alternate between all channels. Assuming our wireless card is mon0, and we want to capture packets on channel 6 into a text file called data:

airodump-ng -c 6 bssid 00:0F:CC:7D:5A:74 -w data mon0  -c6 switch would capture data on channel 6, bssid 00:0F:CC:7D:5A:74 is the MAC address of our target access point, -w data specifies that we want to save captured packets into a file called data in the current directory, mon0 is our wireless network adapter

Running airodump-ng on a single channel targeting a specific access point

You typically need between 20,000 and 40,000 data packets to successfully recover a WEP key.

One can also use the --ivs switch with the airodump-ng command to capture only IVs, instead of whole packets, reducing the required disk space. However, this switch can only be used if targeting a WEP network, and renders some types of attacks useless.

4. Increase Traffic aireplay-ng  - optional step for WEP cracking

An active network can usually be penetrated within a few minutes. However, slow networks can take hours, even days to collect enough data for recovering the WEP key.

This optional step allows a compatible network interface to inject/generate packets to increase traffic on the wireless network, therefore greatly reducing the time required for capturing data. The aireplay-ng command should be executed in a separate terminal window, concurrent to airodump-ng. It requires a compatible network card and driver that allows for injection mode.

Assuming your network card is capable of injecting packets, in a separate terminal window try:

aireplay-ng -3 -b 00:0F:CC:7D:5A:74 -h :A5:2F:A7:DE -x 50 wlan0

-3  -- this specifies the type of attack, in our case ARP-request replay

-b. . -- MAC address of access point

-h. . -- MAC address of associated client from airodump

-x 50 -- limit to sending 50 packets per second

wlan0 -- our wireless network interface

aireplay-ng allows for injecting packets to greatly reduce the time required to recover a WEP key

To test whether your nic is able to inject packets, you may want to try: aireplay-ng -9 wlan0. You may also want to read the information available -here-.

To see all available replay attacks, type just: aireplay-ng

WEP cracking is a simple process, only requiring collection of enough data to then extract the key and connect to the network. You can crack the WEP key while capturing data. In fact, aircrack-ng will re-attempt cracking the key after every 5000 packets.

To attempt recovering the WEP key, in a new terminal window, type:

aircrack-ng data. cap  assuming your capture file is called datacap, and is located in the same directory

aircrack-ng can successfully recover a WEP key with 10-40k captured packets. The retreived key is in hexadecimal, and can be entered directly into a wireless client omitting the : separators

If your data file contains ivs/packets from different access points, you may be presented with a list to choose which one to recover.

Usually, between 20k and 40k packets  are needed to successfully crack a WEP key. It may sometimes work with as few as 10,000 packets with short keys.

6. Crack WPA or WPA2 PSK aircrack-ng

WPA, unlike WEP rotates the network key on a per-packet basis, rendering the WEP method of penetration useless. Cracking a WPA-PSK/WPA2-PSK key requires a dictionary attack on a handshake between an access point and a client. What this means is, you need to wait until a wireless client associates with the network or deassociate an already connected client so they automatically reconnect. All that needs to be captured is the initial four-way-handshake association between the access point and a client. Essentially, the weakness of WPA-PSK comes down to the passphrase. A short/weak passphrase makes it vulnerable to dictionary attacks.

To successfully crack a WPA-PSK network, you first need a capture file containing handshake data. This can be obtained using the same technique as with WEP in step 3 above, using airodump-ng.

You may also try to deauthenticate an associated client to speed up this process of capturing a handshake, using:

aireplay-ng --deauth 3 -a MAC_AP -c MAC_Client mon0  where MAC_IP is the MAC address of the access point,  MAC_Client is the MAC address of an associated client, mon0 is your wireless NIC.

The command output looks something like:

:56  Waiting for beakon frame BSSID: :::66 on channel 6

:56 Sending 64 directed DeAuth. STMAC: :::66    ACKs

Note the last two numbers in brackets ACKs show the number of acknowledgements received from the client NIC first number  and the AP second number. It is important to have some number greater than zero in both. If the first number is zero, that indicates that you re too far from the associated client to be able to send deauth packets to it, you may want to try adding a reflector to your antenna even a simple manilla folder with aluminum foil stapled to it works as a reflector to increase range and concentrate the signal significantly, or use a larger antenna.

Simple antenna reflector using aluminum foil stapled to a manilla folder can concentrate the signal and increase range significantly. For best results, you ll have to place the antenna exactly in the middle and change direction as necessary. Of course there are better reflectors out there, a parabolic reflector would offer even higher gain, for example.

Once you have captured a four-way handshake, you also need a large/relevant dictinary file commonly known as wordlists  with common passphrases. See related links below for some wordlist links.

You can, then execute the following command in a linux terminal window assuming both the dictionary file and captured data file are in the same directory :

aircrack-ng -w wordlist capture_file where wordlist is your dictionary file, and capture_file is a. cap file with a valid WPA handshake

Cracking WPA-PSK and WPA2-PSK only needs 4 packets of data from the network a handshake. After that, an offline dictionary attack on that handshake takes much longer, and will only succeed with weak passphrases and good dictionary files. A good size wordlist should be 20 Megabytes in size, cracking a strong passphrase will take hours and is CPU intensive.

Cracking WPA/WPA2 usually takes many hours, testing tens of millions of possible keys for the chance to stumble on a combination of common numerals or dictionary words. Still, a weak/short/common/human-readable passphrase can be broken within a few minutes using an offline dictionary attack. My record time was less than a minute on an all-caps 10-character passphrase using common words with less than 11,000 tested keys. A modern laptop can process over 10 Million possible keys in less than 3 hours.

WPA hashes the network key using the wireless access point s SSID as salt. This prevents the statistical key-grabbing techniques that broke WEP, and makes hash precomputation more dificult because the specific SSID needs to be added as salt for the hash. There are some tools like coWPAtty that can use precomputed hash files to speed up dictionary attacks. Those hash files can be very effective sicne they re much less CPU intensive and therefore faster, but quite big in size. The Church of WiFi has computed hash tables for the 1000 most common SSIDs against a million common passphrases that are 7Gb and 33Gb in size

As demonstrated above, WEP cracking has become increasingly easier over the years, and what used to take hundreds of thousands packets and days of capturing data can be accomplished today within 15 minutes with a mere 20k data frames.

WPA/WPA2-PSK encryption is holding its ground if using a strong, long key. However, weak passphrases are vulnerable to dictionary attacks. WPA/WPA2 may be on borrowed time as well, according to some recent news.

WPA Wordlists - Torrent search

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Wi-Fi Protected Access WPA andWi-Fi Protected Access II WPA2 are two security

protocols and security certification programs developed by theWi-Fi Allianceto secure wireless computer networks.

The Alliance defined these in response to serious weaknesses researchers had

found in the previous system,WEP

sometimes referred to as thedraft

available in 2003. The Wi-Fi Alliance intended it as an intermediate measure in

anticipation of the availability of the more secure and complex WPA2. WPA2

became available in 2004 and is a common shorthand for the full IEEE 802.11i

allows WPA and WPA2 security to be bypassed and effectively broken in many

situations. 2 WPA and WPA2 security implemented without

using the Wi-Fi Protected Setup feature are unaffected by the security

which requires testing and certification by the Wi-Fi Alliance, implements the

mandatory elements of IEEE 802.11i. In particular, it includes mandatory

support forCCMP, anAES-based encryption mode with strong

security.Certification began in

September, 2004; from March 13, 2006, WPA2 certification is mandatory for all

new devices to bear the Wi-Fi trademark.

Protected Setup WPS; originally Wi-Fi Simple Config is a network security

standard that attempts to allow users to easily secure awireless

home networkbut could fall tobrute-force

attacks if one or more of the network s access points do not guard

Hack works on Wpa/Wpa2 – Wps Unlocked Networks only

not work on Costly Routers, So cannot hack all the wifi networks Available near

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Networks Through Windows also in Few minutes

– WPS Networks Available with at least 8 signal

to Download the Required Software s

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Download and Install all the Above Given Software s

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Now Here I Start Our Tutorial on Hacking Wifi

WPA/WAP2 – WPS Networks  In Windows Using

Tutorial To Hack Wifi WPA/WPA 2 - WPS Networks

Downloading and Installing all the Software s Open Dumper No need of

Installing Dumper, whenever you want to hack open it

2  Select your Network Adapter Now Click on Scan,

There you can see all the available Wifi Networks

Will Automatically Start The Process And Complete The Hack

The Hack is Completed, You are already connected to the network that you Hacked

on Profiles to see the Details and Passwords of the wifi Networks That You

11 Select  a Network and There you can find  the details and passwords of the networks

is another method to see the password of the network that you hacked

click on the Networks and select Open Network and Sharing Center

click on the Connection: Network Name

the Properties of the Connected Network Will Appear, Now select Wireless

On Show Characters and the Password of the Wifi Network is Shown

This is how a Wifi WPA/WPA2-WPS Network is hacked.

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Main article: How to Protect Your Wireless Network Cracking a WPA or WPA2 wireless network is more difficult than cracking a WEP protected network because it.

How To Crack WEP and WPA Wireless Networks and only a relatively small number of network cards support this mode under Windows. Crack WPA or WPA2 PSK.

When it comes to securing your Wi-Fi network, we always recommend WPA2-PSK encryption. It s the only really effective way to restrict access to your home Wi-Fi.

The Wi-Fi Protected Access 2 WPA2 /Wireless Provisioning Services Information Element WPS IE update for Windows XP with Service Pack 2 is available.

How To Crack WEP and WPA Wireless Networks