Wednesday, 23 May 2012

WEP CRACKING ON BACKTRACK 5


 WEP CRACKING
On Backtrack 5 



AIM 
  • This tutorial aim is to guide you the process of WEP CRACKING On Backtrack 5 .


Should have a knowledge of these terms - 
  • AP : stands for Access Point or a wireless router .
  • MAC Address : stands for ;Media Access Control ,its a unique address , It is in the Hexadecimal format like 00:6B:6B:2F:C8:C8  .
  • BSSID : It is the AP Mac Address.
  • ESSID : It shows the AP broadcasting name .
  • WEP : stands for Wired Equivalency Protocol .
  • WEP is a security protocol for Wifi (Wireless fidility) Networks.


Tools used to Crack WEP are  - 
  1. iwconfig : A tool that for configure wireless adapter 
  2. macchanger : A tool that allow you to spoof your Mac Address.
  3. airmon - a tool that set your wireless adapter into monitor mode .
  4. airodump - a tool that capture packet from the wireless router.
  5. aireplay - a tool for forging ARP request.
  6. aircrack - a tool for decrypting WEP keys .
Requirements 
  1. Backtrack 5 distro.
  2. Wireless Adapter Card 
Lets start the Procedure -

Step 1 : Open a new konsole on Backtrack 5 
  • See the image how to open konsole on Backtrack 5 .


Step 2 : Type the command shown below -
  • Command 1: ifconfig wlan0
  • Command 2: iwconfig wlan0
  • See the image below for more details - 


Step 3: Put your Wifi adapter card on Monitor Mode 
  • Open a new konsole and enter the command shown below - 
  • Type the following command to put your card into Monitor mode .
  • Command : airmon-ng start (your interface)
  • Example : airmon-ng start wlan0
  • A message is also display on the screen that your monitor mode is enabled.
  • See the image for more details - 


Step 4: Display the monitor mode .
  • New monitor mode created named mon0 
  • To see the monitor mode enter the command shown below -
  • Command : iwconfig 
  • See the image for more details -


Step 5: Finding a Target
  • Now we have to find the network that is protected by the WEP .
  • To find those networks we use a simple command shown below - 
  • Command : airodump-ng mon0 
  • Here airodump-ng is the command to start the program
  • mon0 is the new interface which you created in the earlier step .
  • See the image below for more details -

Step 6: Capture the data into file 
  • To capture the data we use airodump tool with additional switches like --bssid ( mac address), -c (channel), -w (filename )
  • Syntax of the commands is - 
  • Command : airodump-ng mon0 --bssid (Mac Address) -c (channel no.) -w (filename)
  • Example : airodump-ng mon0 --bssid 00:08:68:2F:C8:C8 -c 1 -w WEPkey
  • See the image below for more details - 

Step 7: Open Home Directory to check WEPkey file is created or not .
  • Open the Home Directory .
  • Check your WEPkey file is created or not .
  • See the image below - Image shows WEPkey file is created and saved in the home directory.


Step 8: Crack the WEP Key using Aircrack Tool 
  • Open a new konsole . 
  • Then enter the command  : aircrack-ng (file name)
  • Example : aircrack-ng WEPkey-01.cap
  • Withing  a minute aircrack will decrypt your WEP key as shown in the image .
  • See the image below -

  • This is how we can WEP  CRACKING on Backtrack 5 .
  • If you like this article , then drop a comment .
  • I hope you like this article on WEP CRACKING on Backtrack 5 
  • This is the Command based WEP cracking , if you dont like command then check this GUI based WEP cracking tool in backtrack 5 . Link is given below - 
  • Link : http://www.hackingdna.com/2012/09/fern-cracker-on-backtrack-5.html
FERN CRACKER
Click on the image to open this tutorial . 

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THIS ARTICLE IS JUST FOR EDUCATIONAL PURPOSE ONLY
DO AT YOUR OWN RISK , I AM NOT RESPONSIBLE IF ANYTHING HAPPEN WITH YOU /- 

33 comments:

Anonymous said...

hey hackingdna.
i have a different way in cracking WEP.
i did not know that cracking WEP doesnt need to deauthenticate.

one question, you found the key which is in Hex format. The first victim i have cracked showed both HEX and in ASCII. i just wanna ask how do you convert Hexadecimal into ASCII form? coz i believe that in windows, you dont have the option to input the password in hex form, only on ASCII form..

Anonymous said...

to crack wep 2 attack crack wep with (client) crack wep with (no client)
with no client with chop chop
jago-dz :)

Anonymous said...

A script to automate the WEP cracking process, can be found on:
http://pastebin.com/ga8t9fz7

Anonymous said...

Good article, but if your hacking wireless you may want to spoof your MAC first...lol but ofcourse we wouldnt do this anyway cuz its illegal.. :)

Anonymous said...

Good article. One question: how come you did not add using aireplay into this guide?

Anonymous said...

My data does not go more than 4? There so, i just have 4 IV'S. Any ideas? My wireless card is: tp link tl-wn821n

Anonymous said...

Jebac kurwa hakerów I hassla

Anonymous said...
This comment has been removed by a blog administrator.
Anonymous said...

very good, i lieked it rilly! From Germany! We are very funny haxx0rzz here. you shoud juin us! ANONYMOUS!!!!!!!!!!!

Anonymous said...

Ick bin ein Berliner

HackingDNA.com said...

keep close to the Access Point , then you will recieve more IV'S.

HackingDNA.com said...

Bcz Wanna make it simple .

Keep following www.hackingdna.com

Anonymous said...

Can i use the Laptop wifi (inbuilt) adapter to do this

HackingDNA.com said...

yes you can but always remember to use backtrack 5 either live cd or installed backtrack on your harddisk .

Jake said...

Hi HackingDNA!

Is this working until now? I'd like to try it out. But I have some questions:

1. Is this compatible to the BackTrack 5 R3? Seems it's the latest release.
2. What Window Manager are you using? GNOME or KDE?
3. Im using Windows 7. If I install it in my harddisk, is it just like a software where I just open the application?

This will be my first time to use BackTrack that's why I'm not familiar with some stuff. I'd really appreciate your help.

Anonymous said...

nice info it really helps salute to all the hackers in the world

Anonymous said...

tnx a lot bro, it helped me a lot!!

Anonymous said...

Does back track 5 RT kde 64 support broadcom adapter?

*ACER ASPIRE 7560-SB416 LAPTOP*

Anonymous said...

RT3 I MEANT

Anonymous said...

Anonymous si ti Srbin :D

Anonymous said...

at the 6 step you stopped airodump when got 81267 data packets,how you know when the righ "packet" is captured?it have not to appear "wpa handshake"
what i have to do?im trying for a wep key,have to wait to pass 20000 data or when it appear wpa handshake?im confused...in 15 mins i got only 70 data.

Anonymous said...

why can't collect data?i do all righ,maybe need to appear STATION?

Anonymous said...

this is to crack WEP, not WPA, WEP there is no handshake

Anonymous said...

I tried to crack wifi with 50000 IV's but it told me to try with 55000. Does this means that i have to have way more than 20k to crack someone's wifi

Calingo Flanc said...
This comment has been removed by a blog administrator.
Anonymous said...

hi, at the end how do i use the key?

Anonymous said...

I'm like mgk with this Shit son.works perfect!!!

Anonymous said...

Srbin je on sto posto

Anonymous said...

hi, at the end when the key is found how do i use it? do i need to convert it or something?

Anonymous said...

I have found another, simplier way..there is a link...
Is there anybody who has tryed out it?
Sorry for english im russian
http://www.wepcrack.org/easywep.html

whitehacker said...

Anonymous team is stupid

Anonymous said...

How do you pause and resume? I don't have enough battery power to collect all the packets in one session?

Anonymous said...

Here is small app wich is running on windows.Drivers for the most wifi adapters are included.You need to install and capture packets.Everything is fully automatic.You only hit start button.Its EASYEST WAY TO HACK WIFI!! ;-) ..
http://uloz.to/xkwnor/smac-wifi-hack-klic-rar

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