aircrack-ng

walterjwhite · #1 March 5th, 2011, 23:06

Hi all,

I recently started using FreeBSD and am playing around with aircrack-ng. I ran aircrack-ng in Linux and it worked fine for my card. However, in FreeBSD, I am unable to reproduce the same thing I did in Linux.

Do I need to patch aircrack-ng to make it work as I found in another thread, or should it work as is?

This is the process I followed in Linux:
http://www.aircrack-ng.org/doku.php?id=cracking_wpa

Now, FreeBSD does not have an airmon command, so I read that I have to set the device to promiscuous mode?

I didn't get any further than that.

Walter

Alt · #2 March 6th, 2011, 12:00

I have been playing around this, too.. afaik, not all cards are supported/patched for aircrack use. I got Atheros 5xxx and aireplay-ng was not worked for me (FreeBSD 7.0 Stable). For airodump-ng I created device in monitor mode and got airodump from it, monitor mode is initializing like that:

Code:

ifconfig wlan0 create wlandev ath0 wlanmode monitor

walterjwhite · #3 March 6th, 2011, 15:23

Hi Alt,

Thanks for your reply - I believe I tried that (and the device was put into promiscuous mode).

What else would I do from there? Can you also break the command down? What is ath0? I guess it is the monitor interface FreeBSD will create?

Walter

Alt · #4 March 6th, 2011, 17:03

ath0 is parent WLAN interface for wifi device.
I dont have notebook i tested it atm and dont remeber command used.. was something like this

Code:

ifconfig wlan0 create wlandev ath0 wlanmode monitor
airodump-ng -w dumpfile
aircrack-ng dumpfile*

With this i was able to crack WEP key, but for WPA this is not possible without aireplay-ng. aireplay-ng was not working for my Atheros card, dont know why.. Which card do you have? Maybe you are more lucky =)

walterjwhite · #5 March 6th, 2011, 17:32

I have an Intel 4965 and I read somewhere that it is fully supported. So, in theory it should work.

Walter

walterjwhite · #6 March 8th, 2011, 19:11

When I run the commands to capture packets, the command returns immediately.

Any ideas?

Walter

Alt · #7 March 8th, 2011, 19:35

Most good idea will be copypaste what you do and what you get

walterjwhite · #8 March 8th, 2011, 19:57

I ran the commands you listed above, the output was null or "\n" (a line return).

I checked dmesg and didn't see any errors there or syslog. I need to read more as to where else the error output would be.

Walter

Alt · #9 March 8th, 2011, 21:06

Ok i read some mans for you xD

Code:

airodump-ng -w dumpfile wlan0
[..gather some info..]
aircrack-ng *.cap

That will not work on WPA, its WEP only and you should capture some keyframes, it should take a time..

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