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Thread: [BT4] Ettercap Problem

  1. #1
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    Default [BT4] Ettercap Problem

    I am probably have a simple problem with ettercap. Right now i am experiencing a problem where the device eth0 is stuck when i want to sniff on wlan0.

    Code:
    root@bt:~# ettercap -T -q -p -M ARP // //
    
    
    Listening on eth0... (Ethernet)
    
      eth0 ->       XX:XX:XX:XX:XX:XX           invalid           invalid
    
    SSL dissection needs a valid 'redir_command_on' script in the etter.conf file
    Privileges dropped to UID 65534 GID 65534...
    
      28 plugins
      39 protocol dissectors
      53 ports monitored
    7587 mac vendor fingerprint
    1698 tcp OS fingerprint
    2183 known services
    
    Randomizing -1 hosts for scanning...
    Scanning the whole netmask for -1 hosts...
    0 hosts added to the hosts list...
    
    FATAL: MITM attacks can't be used on unconfigured interfaces
    Is there a way to reset the device?

  2. #2
    Moderator KMDave's Avatar
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    Since when is eth0 a wireless interface?

    Did you start the networking daemon?

    Did you configure eth0? Doesn't look like it. Just read the error messages from time to time they give valuable hints in resolving issues.
    Tiocfaidh ár lá

  3. #3
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    If you want to use wlan0, perhaps
    --iface wlan0
    in the ettercaps args might help.

    You sure you want to use nopromisc mode, too? There's easier ways to play Bob to your own Alice.

  4. #4
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    Quote Originally Posted by KMDave View Post
    Since when is eth0 a wireless interface?

    Did you start the networking daemon?

    Did you configure eth0? Doesn't look like it. Just read the error messages from time to time they give valuable hints in resolving issues.
    Obviously eth0 is not a wireless interface, but it seems to always come up when i execute ettercap, when I am connected through wlan0? And i am using Network Manager.

  5. #5
    Moderator KMDave's Avatar
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    You should maybe run
    man ettercap
    and find the entry on how to specify a specific interface
    Tiocfaidh ár lá

  6. #6
    Member kazalku's Avatar
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    Try this:
    ettercap -i wlan0 -Tq -M ARP /192.168.0.1/ // // -P autoadd
    AND SEARCH!!!
    If you can't explain it simply, you don't understand it well enough -- Albert Einstein

  7. #7
    Moderator KMDave's Avatar
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    Well if you just tell him to use -i wlan0 it is like having no learning effect at all.

    Tell them the answer and they will come back with their next question. Tell them where to find the answer and they might learn on where to look for their next question.
    Tiocfaidh ár lá

  8. #8
    Member kazalku's Avatar
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    I was in really good mode yesterday (my first baby was shown in the scan).....
    Will never happen again.......well, untill the 2nd one
    If you can't explain it simply, you don't understand it well enough -- Albert Einstein

  9. #9
    Moderator KMDave's Avatar
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    Hehe, not only addressed at someone particular. Just as a general note

    And congratulations.
    Tiocfaidh ár lá

  10. #10
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    Congratz, there's many papers about Ettercap i think there's even books!

    Go ahead and see if you can find some of them and read those, they will
    reveal that Ettercap is actually capable of doing A LOT! More than you think ;D
    [quote][I]I realized, that I had fallen down from the top of the mountain into a deep, terrifying and dark hole, just to find out that another mountain in front of me, much greater than the previous, was the next step in life. I began to wander uphill on the next mountain of life while I knew it would be much harder than the previous mountain. [/I]- MaXe[/quote]

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