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Thread: Backtrack 3 and WLAN card from Broadcom

  1. #1
    bogue
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    Default Backtrack 3 , WLAN Broadcom and aircrack-ng

    I have a WLAN card from Broadcom for 802.11b/g
    I downloaded Backtrack 3 for USB Stick and it works.
    But I can't find any networks with WLAN.
    If I want to start with KWLAN Manager WPA Supplicant it fails.
    I think there is something to do to make it work, but what.
    I already tried to install this driver:
    //linuxwireless.org/en/users/Drivers/b43#fw-b43-new

    but it isn't working too
    What did I wrong?
    (The commands of the link above I copied so I usually couldn't write them wrong)

  2. #2
    Senior Member secure_it's Avatar
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    there are multiple variants of broadcom chip & which one you are having.find the chip ID of your broadcom chip using
    lspci -nn
    and paste the respective lines here mentioning chipset ID.
    also on the same page of b43 drivers there is mentioned the compatibility.check with that.

  3. #3
    bogue
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    is that the id?
    BCM4311
    I already used the driver for opensuse on this pc and it worked without problems.
    Maybe I made a mistake by the command, because there was nothing written of a command for Backtrack.

  4. #4
    Senior Member secure_it's Avatar
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    Forgot to mention those drivers wont work with BT3 default supplied kernel.you need to upgrade kernel to 2.6.25 or above.most sophisticated alternative is to download the BT4.

  5. #5
    bogue
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    Ok
    If I download the BackTrack 4 it will work if I install the named driver?
    That I will do

  6. #6
    Senior Member secure_it's Avatar
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    Drivers are already there in BT4.check this out.it will help you to guide further.
    http://www.aircrack-ng.org/doku.php?id=b43

  7. #7
    bogue
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    is there no usb version of bt4?

  8. #8
    bogue
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    Now I have downloaded BackTrack 4 and it starts, but the same problem again.
    Even LAN is not working.
    I don't understand it.
    In dmesg is now writen driver loaded or something like this.

  9. #9
    Senior Member secure_it's Avatar
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    /etc/init.d/networking start
    /etc/init.d./NetworkManager

  10. #10
    bogue
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    Thanks!
    It finds my network and I can connect.

    Now I have read a bit about aircrack-ng.
    Ok Kismet is for collecting packets am I right?
    I started kismet and it collected packets from my WLAN, but where can I find this packets to use them in aircrack?
    are that the files in /var/log/kismet?

    And packets collecting only helps if I have WEP or?
    Is there any danger, if I try to bruteforce my own WLAN?
    For BruteForcing in aircrack I need a dictionary is there no function to bruteforce without dictionary just trying out passwords?
    I know it lasts long, but I will cut down my password to 5 letters.

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