Wifite - mass wep and wpa cracker for backtrack4

Designed for Backtrack4 RC1 distribution of Ubuntu. Linux only; no windows or osx support
to attack multiple WEP and WPA encrypted networks at the same time. this tool is customizable to be automated with only a few arguments. can be trusted to run without supervision.




Features
sorts targets by power (in dB); cracks closest access points first
all WPA handshakes are backed up (to wifite.py's working directory)
mid-attack options: stop during attack with Ctrl+C to use (continue, move onto next target, skip to cracking, exit)
numerous filters to specify exactly what to attack (wep/wpa/both, above certain signal strengths, channels, etc)
very customizable settings (timeouts, packets/sec, etc)
SKA support (untested)
finds devices in monitor mode; if none are found, prompts for selection
all passwords saved to log.txt
switching WEP attacks does not reset IVS
displays session summary at exit; shows any cracked keys

Download and more info: http://code.google.com