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Next time use Google....

You can get source code of most tools by this command:

apt-get source "tool that you want"
example: apt-get source wget

I don't have backtrack4 R1 but have you tried:

I successfully executed this exploit on windows 7. You can browse to this URL in IE8 and in windows explorer. However you can't browse in Firefox or in Opera.
And meterpreter/reverse_tcp works like...

http://www.backtrack-linux.org/forums/frequently-asked-questions/1791-why-cant-backtrack-use-wireless-card-%93x%94-inside-vmware-virtualbox.html

Is it possible to exploit some application on Ubuntu Karmic and get a shell? It is using 2.6.31-14 kernel, and has ASLR and NX protection. I know that it is possible to bypass those protections when...

To configure WPA manually you can use wpa_supplicant. You have it installed on Backtrack 4. I can't tell you how to use it because I don't know but use GOOGLE.

I am using same usb adapter but with ndiswrapper drivers, but you can't put it in monitor mode with ndiswrapper drivers. It is using atheros AR5523 chipset.
You can check this page for installing...

I use Backtrack 4 final and I would like to update wine to latest version. I completely uninstalled wine, but when I try to install latest version (1.1.37), it says that it can't install without...

Have you tried "airmon-ng stop ath0" and then "airmon-ng start ath0". Try to run aireplay-ng then.
If that does't work try to do: "iwconfig ath0 mode monitor" and then try to use "aireplay-ng -9...

Thank you very much. It worked for me without setting WPA encryption key. :)

But when I do this:

ettercap -W FB491C5793 192.168.1.1 192.168.1.2

ettercap NG-0.7.3 copyright 2001-2004 ALoR & NaGA


Unsupported WEP key lenght

what do I do wrong?

Is there any way to use ettercap on wpa protected networks to sniff for passwords?