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ipw2200_generic [2007/08/29 18:53] – valid destination IPs drioipw2200_generic [2007/08/29 19:00] – how many ivs? drio
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 If the attack fails, try to rerun the command again ommiting the "-h <AP MAC>" parameter. If the attack fails, try to rerun the command again ommiting the "-h <AP MAC>" parameter.
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 Now we will create an arp-request packet using the aquired keysteam file. The "-l" and "-k" options are the source IP and destination IP.  Now we will create an arp-request packet using the aquired keysteam file. The "-l" and "-k" options are the source IP and destination IP. 
-If you use valid destination IPs then you will be running an amplification attack. This can be run in the same window we run the chopchop attack:+If you use valid destination IPs then you will be running an [[arp_amplification|amplification attack]]. This can be run in the same window  
 +we run the chopchop attack:
        
      # packetforge-ng -0 -a <AP MAC> -h 00:11:22:33:44:55 -k 192.168.1.100 -l 192.168.1.101 -y replay_dec-####.xor -w arp-request      # packetforge-ng -0 -a <AP MAC> -h 00:11:22:33:44:55 -k 192.168.1.100 -l 192.168.1.101 -y replay_dec-####.xor -w arp-request
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       # aireplay-ng -2 -r arp-request eth1       # aireplay-ng -2 -r arp-request eth1
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 We have to wait now so airodump-ng gathers enough data (enough IVs) so we can run airocrack-ng.  We have to wait now so airodump-ng gathers enough data (enough IVs) so we can run airocrack-ng. 
 How many packages we need so airocrack-ng cracks the wep key? It depends. The version of  How many packages we need so airocrack-ng cracks the wep key? It depends. The version of 
-airocrack-ng that comes with backtrack2 is not the lastest one. There have been a lot of improvements in recent versions  +airocrack-ng that comes with backtrack2 is not the lastest one so we need around 1.000.000 of IVs. 
-that have reduced the number of IVs neededIn my experience, I have found 300k (data output) is more than enough. +If we are using the latest version (0.9 and up100.000 is enough.
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 ===== Crack the wep key using aircrack-ng ===== ===== Crack the wep key using aircrack-ng =====
ipw2200_generic.txt · Last modified: 2009/09/26 14:27 by darkaudax