ipw2200_generic
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ipw2200_generic [2007/08/29 18:41] – drio | ipw2200_generic [2008/05/09 23:54] – Make the text a bit more English. netrolller3d | ||
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# ifconfig eth1 up hw ether 00: | # ifconfig eth1 up hw ether 00: | ||
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# iwconfig eth1 essid < | # iwconfig eth1 essid < | ||
- | Due to some limitations with the firmware we have to force a fakekey and set managed mode to ensure the airdump-ng tools work properly. | + | Due to some limitations with the firmware we have to force a fakekey and set managed mode to ensure the aircrack-ng tools work properly. |
ESSID is the name of the wireless network of our target AP. Channel is the wireless channel. | ESSID is the name of the wireless network of our target AP. Channel is the wireless channel. | ||
+ | |||
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In another window, we start collecting data: | In another window, we start collecting data: | ||
- | # airodump-ng --bssid <AP MAC> -w dump rtap0 | + | # airodump-ng |
Notice how we use rtap0 as a input interface. Also, all these commands we are going to be running generate output files. So it is a good idea | Notice how we use rtap0 as a input interface. Also, all these commands we are going to be running generate output files. So it is a good idea | ||
to create a new directory and to run all of them from there. | to create a new directory and to run all of them from there. | ||
+ | |||
+ | As we said before, if you are running the latest version of airodump-ng, | ||
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Now it is time to do some injection. In a new window we will launch the chopchop attack: | Now it is time to do some injection. In a new window we will launch the chopchop attack: | ||
- | # aireplay-ng -4 -a <AP MAC> -h 00: | + | # aireplay-ng -4 -a <AP MAC> -h 00: |
Note the modifier "-i rtap0." | Note the modifier "-i rtap0." | ||
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Make sure there are no errors reported after using aireplay. If the attack doesn' | Make sure there are no errors reported after using aireplay. If the attack doesn' | ||
vulnerable to the chopchop attack. I also received an error stating the checksum didn't match. I just re-ran aireplay and it was fine. | vulnerable to the chopchop attack. I also received an error stating the checksum didn't match. I just re-ran aireplay and it was fine. | ||
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+ | If the attack fails, try to rerun the command again ommiting the "-h <AP MAC>" | ||
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Now we will create an arp-request packet using the aquired keysteam file. The " | Now we will create an arp-request packet using the aquired keysteam file. The " | ||
- | They can be any valid IP. The destination | + | If you use valid destination |
- | in the same window we run the chopchop attack: | + | we run the chopchop attack: |
- | # packetforge-ng -0 -a <AP MAC> -h 00: | + | # packetforge-ng -0 -a <AP MAC> -h 00: |
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- | ===== Wait to gather enough IVs ===== | ||
- | |||
- | 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 | ||
- | airocrack-ng that comes with backtrack2 is not the lastest one. There have been a lot of improvements in recent versions | ||
- | that have reduced the number of IVs needed. In my experience, I have found 300k (data output) is more than enough. | ||
+ | ===== Wait to gather enough IVs ===== | ||
+ | We have to wait now so airodump-ng gathers enough data (enough IVs) so we can run aircrack-ng. | ||
+ | How many packages we need so aircrack-ng cracks the wep key? It depends. The version of | ||
+ | aircrack-ng that comes with backtrack2 is not the latest one so we need around 1.000.000 of IVs. | ||
+ | If we are using the latest version (0.9 and up) 100.000 is enough. | ||
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In another window we launch: | In another window we launch: | ||
- | # aircrack-ng dump*.cap | + | # aircrack-ng |
Depending the number of packages you have gathered, this may take some minutes or you may get the key inmediately. | Depending the number of packages you have gathered, this may take some minutes or you may get the key inmediately. | ||
+ | The -z argument tells aircrack-nt to try a ptw attack also. If you version of aircrack-ng doesn' | ||
+ | ommit it. | ||
=== NOTE: === | === NOTE: === |
ipw2200_generic.txt · Last modified: 2009/09/26 14:27 by darkaudax