Cracking WEP

posted May 15th 2005 9:41am by Eliot Phillips
filed under: Uncategorized

ivlist

Tom’s Networking is running a two part series on how to crack WEP. WEP was pretty much broken from the early days of wireless networking. For starters the key length is misleading; a 64-bit key only has 40 unique bits. Some manufactures implemented poor random number generation. The seeds for the numbers are also reused which would never happen in good cryptography. This article covers the techniques the the feds used when they cracked a WEP key in three minutes. This works by grabbing a properly encrypted packet and then constantly sending it back to the access point generating more traffic. The more traffic you can capture the faster you can crack the network. Check out the article. I’ll be trying this out in the future when I get a Prism2 card and that DirecTV antenna wired up.

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Comments [53]

Reader Comments

i wish my card was supported by airsnort/aircrack… i have a hawking hwc54d hi-gain

Posted at 11:31 am on May 15th, 2005 by Ginotech

Yeah, I’ve got two prism2 usb adapters, but hostap doesn’t support usb. Anybody got any pccard recommendations? External antenna connectors being a must.

Posted at 12:42 pm on May 15th, 2005 by eliot phillips

eliot, the one they use in the article looks good: http://www.wlanparts.com/product/NL2511CDPLUSEXT2

Posted at 1:20 pm on May 15th, 2005 by micah buckley-farlee

I’ve got aircrack set up and running on Windows, but I’m having a lot of trouble generating wireless packets with only one computer (or even with two computers) for airodump to capture.

I’m trying to get Cygwin set up right now to run the Linux scripts that are listed in the documentation, but without luck so far.

Does anybody have any suggestions?

Posted at 3:25 pm on May 15th, 2005 by bucky

Is it possible to use a ppc to generate packets? I have an dell Axim x50v which has wifi i wonder if that will have the ability to generate some traffic on the network somehow.

Posted at 11:09 pm on May 15th, 2005 by Brandon

i use a Lucent Tech Orinoco card which isnt prism 2 based but it works. I use a Knoppix STD linux live CD… run kismet which auto patches the cards drivers to work then run airsnort. it’s easy.. oh.. and i mentioned the orinoco card cuz it has an external antenna connector. I got a orinoco silver AND a netgear wireless b router(which i took apart to remove a pcmcia wifi card which is prism 2 based) off ebay for $25 shipped. you really cant beat that. once again i suggest knoppix std for all you windows users that don’t want to switch over.

Posted at 4:54 pm on May 16th, 2005 by zarlwilliam

I thought I would share the information that I put on my site. It is at http://www.peculiarlabs.com click on projects, then click on Cracking Wep. Its the standard WEP cracking information.

Posted at 11:28 pm on May 16th, 2005 by a

I thought I would share the information that I put on my site. It is at http://www.peculiarlabs.com click on projects, then click on Cracking Wep. Its the standard WEP cracking information.

Posted at 11:32 pm on May 16th, 2005 by a

When can we expect a second part???

Posted at 2:13 pm on May 17th, 2005 by hayho

soon i hope

Posted at 9:53 pm on May 17th, 2005 by Brandon

http://www.tomsnetworking.com/Sections-article120.php

Part two is UP!

Posted at 11:42 am on May 18th, 2005 by Brandon

GREAT!!! thanks brandon – i probably wouldnt have checked for several days!! cant wait to get through this stuff!! :D

Posted at 12:51 pm on May 18th, 2005 by hayho

DOH! It looks like my card isnt Prism II!!!
:’( never mind – and excuse 2 go shopping :)

Posted at 3:30 pm on May 18th, 2005 by hayho

I successfully did this to my own network using an ACX100 card. It was kinda a pain to setup though (and operate on modules). Aircrack and Airsnort worked fine with it.

Posted at 4:33 pm on May 27th, 2005 by Prentice

Nice post , can i have a code of the exploit or a name ?

Posted at 9:29 pm on Jun 4th, 2005 by Request

I had this going quite well on two laptops using the Linux distro from the article. That is, until I got to the void11 part. It just wouldn’t run on either of my laptops. I kept getting device errors. Maybe it’s because I’m not using a prism2 card? PITA… ;o)

Oh, and part 3 is up.

http://www.tomsnetworking.com/Sections-article124.php

Posted at 11:09 pm on Jun 8th, 2005 by yem

I have a DELL Inspiron 2650 , im trying to load knoppix i couldn’t figure out how to get it to load up correctly – untill i had to load up the system with “knoppix noscsi” and after that, it loaded fine.. and didn’t get stuck anymore… so im in the system and i don’t know how to setup the orinoco wifi do i need drivers? is there a program i load up? is there a step by step process out there, i can’t find the how-tos in knoppix the wifi card has no power. Please email me at my g-mail account and also if u can tell me how to get the 56k modem to work because its not detecting my 56k on the laptop…. EMAIL ME dialntone@gmail.com

Posted at 8:54 am on Jun 29th, 2005 by Edward

Id’e like to say I’m actually on the receiving end of this hack and actually twice by the same person. Now I’m not wireless at all but at one point my DSL Modem had its wireless on in conjunction with the wireless capabilities my PC has it configured it self to the modem. Anyway now the hacker has taken over my Bios as well as the computer an HP AMD 64 2.4 gh not to mention my husbands computer a QP AMD athlon 900 and blew up my 6&8 yr olds amd duran 950. So my question to you guys is how do I get rid of this person or is someone willing to help?

Posted at 2:47 am on Aug 30th, 2005 by Gwenn

i picked up a network called Tony134 in my house and i wanna get into it, but i only have one laptop can someone guide me thru what i need to do to get the wep?

Posted at 1:16 am on Oct 8th, 2005 by Zukdizzle

Can anyone tell me how to crack WEP using only one notebook and one wireless card? In the article by
Tom’s Networking it was mentioned that this is possible.

Posted at 4:54 am on Oct 14th, 2005 by careyer

are there any programs that support intel centrion chipsets?

Posted at 8:59 pm on Dec 5th, 2005 by req

i want to crack an hotmail email address. could you please guide me. it will help me not pay alimony to my cheating wife?

Posted at 5:24 am on Dec 20th, 2005 by Gar hiran

hey i need the software to hack a WEP code can you email it (and how to use it) to me at it999999999999@yahoo.com i have this old laptop but its junk so i want to use it just to hack stuff and i need to be able to crack a WEP code thanks for your help

————–Death

Posted at 7:20 pm on Dec 29th, 2005 by Death

I can’t find my WEP code. I need it for a gaming device. How would I go about finding my own WEP code? I have a Linksys model WCG200-CC. vashstampede152@hotmail.com if anyone knows how. Thanks. Tried Airsnort, Couldn’t get my own using it. I might have used it wrong…

Posted at 10:19 pm on Dec 31st, 2005 by Jisn

I want to know how to get past using the wep code to get the internet on my psp.

Posted at 11:34 am on Jan 19th, 2006 by Pinkerton

i would like to know where could I get the software as well

Posted at 2:47 am on Feb 3rd, 2006 by Malaysia property

im new but can you’s tell me where to get the software to hack a wep code from please

Posted at 12:30 pm on Mar 1st, 2006 by dude1

Gwen,
I would try 1 method

Set up a fake router.
Secure it, Crank up the signal and see how many times he trys to get in keep a look in the log for his Mac address – at least you will be close to getting somthing on him, his mac is uniq unless he changes it. Than on a laptop run Kismet – or netstumber use the signal to noise ratio to pinpont his house – one the signil is bigger the the noise you should be look at his fron porch.
Now for the fun part, ring the doorbell and punch him in the nose@!

Posted at 3:27 pm on Jun 22nd, 2006 by none

Gwen,
I would try 1 method

Posted at 3:33 pm on Jun 22nd, 2006 by none

reply to: n2thepowerofn@yahoo.co.uk

i just got a hp hx2790 pda and after running through all the wireless tools i could find, i has success with wififofum. none of the other usual packages would work with the built in card.
now im on the lookout for a packet sniffer for it. anyone know a good simple program to run on wm5?

Posted at 5:27 pm on Jul 3rd, 2006 by ed

I picked up 2 different peoples wireless and I want to get one of them… :\ i have a wireless card but I have dial-up, which is the reason I want to use their internet. So if someone can email me a program to do it with?

squirreltakos@gmail.com

Posted at 6:41 pm on May 2nd, 2007 by Dan

Amazing to watch the comments here devolve into pure shite about “crackin my neighbors wifi”, “hack stuff” and (LOL) “cracking” a hotmail account. LMMFAO!

And no, no Centrino chipsets are supported.
Buy a cheap Netgear WG511.

Posted at 7:09 pm on Jun 6th, 2007 by notanidiot

Can some1 plz help me out i have acer aspire 3000 laptop running windows xp with a wireless bilkin adapter and im trying to hack into my school’s wireless internet but its encrypted with WEP does anybody now how to crack the code if anybody with the knowledge to do this plz contact me at kelaby89@hotmail.com

Posted at 11:42 pm on Jun 22nd, 2007 by kelaby

ok I need to find the wep code for a certain 2wire913 ok, It is my friends computer. He will let me use the wireless connection but only if I can get the WEP code I have to get it soon or its off. Can you help me? please anyone even visitors to the site please help me. email me at pyro1217@hotmail.com

thanx -Dante

Posted at 12:04 pm on Jul 26th, 2007 by dante

selam

Posted at 4:57 pm on Aug 6th, 2007 by spedi

hi im wondering for all u hacker smarty pants if u can crack my beer.com password

u got skill i wanna see it… it should be fun anyways
hehehe

email me at hoolie34@hotmail.com if u think u can do it

Posted at 1:31 pm on Sep 29th, 2007 by julia

hi i am student working on project on how to crack wep in windows, so can u tell me step-by-step procedure of how to break it and the tools require to break it.thank you

Posted at 10:54 am on Jan 12th, 2008 by archana

Property in Malaysia.Condominiums, flats,villas, houses, and service apartments.

Posted at 4:15 am on Jan 24th, 2008 by Samuel

please- tell me how to crack my neighbors WPA-PSC(TKIP)

XP – desktop comp
Please help me get psp internet

cooljag@live.co.uk
ps: if you read this, email me if you want to know how to as i will be glad to help if i can (IF)

Posted at 2:26 pm on Feb 12th, 2008 by James

There’s a step-by-step guide explaining how to do it at this blog http://n00bhacker.blogspot.com

Posted at 7:57 pm on Mar 9th, 2008 by abitaz

now wep not safe for your privacy.just take a few minute for get the key..

Posted at 12:08 pm on Nov 21st, 2008 by cracking wep man

i use rt73 chipset.can support packet injection.but cannot inject at 500pps.i can inject only around 399pps.can someone tell why and help me?i cracking wep use windows.take around 10-20minute to get the key.so tired to waiting.
i cracking use windows+vmware+usb wifi.i find tutorial here tutorial cracking wireless wep use windows

Posted at 12:18 pm on Nov 21st, 2008 by RONNALD

ronnald,

anyway where or which website u get the image aircrack that associated wth wnware at the blog (tutorial cracking wireless wep use windows)

Posted at 6:09 am on Nov 22nd, 2008 by jassson

Hey i have a psp and its got wlan i keep trying to hack people around my area to use there internet but they all have wep could you send me an email about how to hack them plz thanx shaun_boi111@hotmail.com

Posted at 6:57 am on Nov 28th, 2008 by Shaun

i have free internet anywhere, dumb fucks with no security wicked!!

Posted at 9:40 pm on Jan 19th, 2009 by goat

Hey I have a Broadcom 802.11 On Vista Service Pack One. And iam wanting to work on this to prove to my grandma that anyone can crack a key. So if anyone can send me instructions/ Software To do this it would be of Great Thanks.

EMAIL robert_crawford@ymail.com

Sincerly , Robert

Posted at 10:16 pm on Jan 24th, 2009 by Robert

ok so is there any one uber noob way about hacking a wifi network? using a pda on windows mobile 6.1?

i’ll buy 1st one a drink if it works!

crispy

Posted at 7:19 am on Jan 25th, 2009 by crispy

I am using wireless netgear usb adapter 802.11g, 54mbps, 2.4ghz i am getting 2 unsecured, 2 WEP secured , 1 WPA-PSK, i gone with the setup i downloaded to hack WEP Key, the drivers are not working to my usb adapter any other solutions guys… unsecured networks are 0% – 5% connecting where secured connections are 50% i want to hack it now ..plz any one have to hack

Posted at 9:09 am on Feb 11th, 2009 by vinod

The best software to use which is compatible with most cards can be found at http://unlockwifi.tk It has worked for me and all of my friends with a broadcomm chipset and netgear usb wireless adapters. Try it !

Posted at 12:06 am on Feb 18th, 2009 by crack-a-lackin

you guys are funny… just f****ng google wep cracker… theres tons of emm…. and if you cant crack a simple wep… you dont deserve internet

Posted at 6:51 am on Mar 24th, 2009 by wow

PLEASE SOME HELP ONE TO ME HAX TEH INTERWEBZ?!!@?

Posted at 7:19 pm on Aug 16th, 2009 by sdfgsdfg

Please, can someone help me know how to hack the wifi on the space station? okay thankyou

some@idiot.whatever

Posted at 7:22 pm on Aug 16th, 2009 by secret

http://cicardia.blogspot.com/2008/11/how-to-crack-wep-networks-using-windows.html

how to really easily crack wep wireless networks on windows xp laptop

Posted at 5:54 pm on Nov 11th, 2009 by cic