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Thread: Help needed AWUS036H not catching WPA Handshake

  1. #1
    Just burned his ISO
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    Default Help needed AWUS036H not catching WPA Handshake

    Hi there people,

    I'm a newbie to the forums (fantastic forum by the way) and I'm having trouble with the ALFA AWUS036H 1000mw version (RTL8187L) picking up the WPA 4 way handshake. I've trawled the forum and google to no avail.

    I've done the usual:

    Airmon-ng start wlan0
    Airodump start mon0

    Select another computer on my home network and Deauth. I can see the Deauth'ing taking place in Airodump on the selected target and also succesfully running in Aireplay. I have also run the test in Aireplay just to make double sure (Injection Working).

    I'm at a dead end on this and don't know if I've missed something really trivial or this is bigger problem - I've seen alot of posts mentioning trouble picking up the 4 way handshake and I just can't seem to get it working.

    Any advice or help would be greatly appreciated

  2. #2
    Just burned his ISO imported_BeNeDeLuX's Avatar
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    Default

    Why don´t you use the Gerix-Wifi-Cracker-NG ?
    It is much easier than the air-tools itself.

    Maybe you are to far away from the client ?
    Sure the deauth ACK´s on Client and AP ?
    AirCrack Wiki --> h**p:/aircrack-ng.org/doku.php?id=deauthentication

    I´m running also the ALFA AWUS036H 1000mw and everything works as it should.

  3. #3
    Just burned his ISO
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    Default

    Thanks for the heads up.

    Tried Gerix-Wifi-Cracker-NG and I was still unable to pick up the 4 way handshake (I'm in the same room as the computer and AP).

    I have to admit that I'm really stuck on this one, I was going to try BT4 pre to see if I'm able to pick up the handshake there (hopefully narrowing it down to drivers?)

  4. #4
    Senior Member MikeCa's Avatar
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    Default

    Using gerix or aircrack-ng from the cmd line makes no difference here (I always use aircrack-ng directly, but that is just a matter opinion). Have you read the wpa_cracking guide? There is a whole section labeled "I can't get the handshake!"

    cracking_wpa [Aircrack-ng]

  5. #5
    Just burned his ISO
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    Thanks for the advice MikeC.

    I went through it again just to double check and I'm still having problems.

    I ran the capture file through Wireshark and I'm picking up one half of the handshake from AP to Client but not Client to AP (I'm 7 foot away from the AP & computer I'm deauthing).

    I was wondering if the sens setting maybe be a possible culprit?

  6. #6
    Just burned his ISO
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    After wrestling with this one for quite sometime I came across this post:

    h**p://forum.aircrack-ng.org/index.php?PHPSESSID=131261fd29356ac1533626c07f2d3f 2c&action=printpage;topic=6595.0

    Apparently its a bug in the Aircrack code but I'm still unsure as to why its seems to work for some people with the exact same adapter and not for others

  7. #7
    Just burned his ISO
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    Success!!!

    I have finally cracked it (in more than one sense of the word).

    For whatever reason when I start Airodump-ng collecting packets I have to then press the up arrow key on my computer (do not know why) which then displays a Hex / Decimal display readout to the right hand side at the top (where the WPA handshake confirmation appears) - once I do this I can pick up the 4 way handshake

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