AirSnort - WEP Cracker

Have you ever wondered how we can try to extract WEP keys from the wireless signals?

I have found this link, but never really tried, maybe we can try on our own network to see if things works!

You will need Air-Snort for XP.
This is the guide:

Mike's Guide to Airsnort on Windows XP

1. Airopeek Demo
   
   You'll install this to make sure your type of Wireless Card is
   supported; if it works with Airopeek it will work with Airsnort. Go
   through the installation process and continue on.
   
   
   
   
2. Airsnort 0.2.7e
   
   This is the most recent version of Airsnort in its binary format. It's
   Tar Gzipped so you'll need a program to extract it, which is what the
   next program is for.
   
   
   
   
3. WinRAR 3.42
   
   WinRar will help you extract the Airsnort file to a directory on your
   harddrive. Download this trial copy, install it, and then use it to
   extract Airsnort to a directory on your harddrive. I put Airsnort in
   this directory (C:\Program Files\airsnort-0.2.7e\).
   
   
   
   
   
4. GTK + 2.4.14
   
   
   A supporting package needed by Airsnort. Download and unzip it to your harddrive. I put it here: (c:\Program Files\airsnort-0.2.7e\gtk+-2.4.14).
   
   
   
   
5. Glib 2.4.7
   
   
   A supporting package needed by Airsnort. Download and unzip it to your harddrive. I put it here: (c:\Program Files\airsnort-0.2.7e\glib-2.4.7).
   
   
   
   
6. Pango 1.4.1
   
   
   A supporting package needed by Airsnort. Download and unzip it to your harddrive. I put it here: (c:\Program Files\airsnort-0.2.7e\pango-1.4.1).
   
   
   
   
7. ATK 1.8.0
   
   
   A supporting package needed by Airsnort. Download and unzip it to your harddrive. I put it here: (c:\Program Files\airsnort-0.2.7e\atk-1.8.0).
   
   
   
   
8. Realtek RTL8180 Driver
   
   This link is for my driver (Belkin PCMCIA & D-Link PCI Cards), but
   to install a different driver to work with Airopeek, download your
   driver from Airopeek that is matched to your Wireless card manufacturer
   and model. Here is their support section for other cards.
   
   
   
   

   
   Now to get this driver from Airopeek to work, goto your windows driver system directory (c:\windows\system32\drivers) and create a copy of your current Ethernet card Driver for a backup.
   
   
   Then rename the new driver you just downloaded from Airopeek as the
   same name of your current Ethernet card driver. You can find this by
   going to your hardware Device Manager and looking up the current driver
   name and location.
   
   
   Then copy that new file into the driver directory replacing the current
   driver. Since you've made a backup, if any goes wrong you can restore
   the copy. Reboot your computer for the new driver to take effect. The
   reason we have to 'trick' the computer in this way is because Windows
   for some dumb reason doesn't want you to be able to change what driver
   your hardware uses at will.
   
   
   Airopeek should now work if it's going to with your card. Otherwise consider buying a compatible wireless card.
   
   
   

   
   
   
9. Add Airsnort's bin directory, along with the bin directories
   of all its supporting packages to your windows path. You can do that by
   typing "path" at the command prompt and paste in the path you would
   like to add, or you can change this under My Computer in your Advanced
   Tab, Environmental Variables, Path.
   
   
   
   Mine looks like this because I put Airsnort and it's associated files under the Program Files directory.
   
   
   %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program
   Files\airsnort-0.2.7e\bin;C:\Program
   Files\airsnort-0.2.7e\atk-1.8.0\bin;C:\Program
   Files\airsnort-0.2.7e\glib-2.4.7\bin;C:\Program
   Files\airsnort-0.2.7e\gtk+-2.4.14\bin;C:\Program
   Files\airsnort-0.2.7e\pango-1.4.1\bin
   
   
   
   
10. Copy the Peek5.sys and peek.dll from the Airopeek directory (C:\Program Files\WildPackets\AiroPeek Demo) to the Airsnort /bin directory. (C:\Program Files\airsnort-0.2.7e\bin)
    
    
    
    

    
    For some reason my copy of Airopeek would not work until I also
    downloaded two more DLL's, which I easily found on the internet. So
    we're going to just put the following in your Airsnort directory.
    
    
    

    
    
    
11. Download iconv.dll to your Airsnort bin directory.
    
    
    
    
12. Download intl.dll to your Airsnort bin directory.
    
    
    
    
13. Now, if you've been able to get this far, just double click on the Airsnort icon and it should come up!

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