On Wednesday 23 October 2013
An internet connection has become a basic necessity in our modern lives. Wireless hot-spots (commonly known as Wi-Fi) can be found everywhere!
If you have a PC with a wireless network card, then you must have seen many networks around you. Sadly most of these networks are secured with a network security key.
Have you ever wanted to use one of these networks? You must have desperately wanted to check your mail when you shifted to your new house. The hardest time in your life is when your internet connection is down.
Cracking those Wi-Fi passwords is your answer to temporary internet access.
What u need is 2 softwares.
1) Comview.
This software will be used to capture the packets from the desired network adapter.
You Can Download It From Here:
2) Aircrack ng 1.0 (for windows). This software will be used to capture the packets from the desired network adapter.
You Can Download It From Here:
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Also Read : How to Check Who is Accessing Your WiFi
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Step 1: Setting Up CommView for Wi-Fi
- Download the zip file of CommView for Wi-Fi from the website. Extract the file and run setup.exe to install CommView for Wi-Fi. When CommView opens for the first time it has a driver installation guide. Follow the prompts to install the driver for your wireless card.
- Run CommView for Wi-Fi.
- Click the play icon on the top left of the application window.
CommView now starts scanning for wireless networks channel by channel. After a few minutes you will have a long list of wireless networks with their security type and signal. Now it is time to choose your target network
Step 2: Selecting the Target Network and Capturing Packets
A few things to keep in mind before choosing the target wireless network- This tutorial is only for WEP encrypted networks.
- Choose a network with the highest signal.
- Each network will have its details in the right column.
- Make sure the WEP network you are choosing has the least the least dB (decibel) value.
Now you might notice that packets are being captured from all the networks in the particular channel. To capture packets only from the desired network follow the given steps.
- Right click the desired network and click on copy MAC Address.
- Switch to the Rules tab on the top.
- On the left hand side choose MAC Addresses
- Enable MAC Address rules
- For 'Action' select 'capture' and for 'Add record' select 'both'.
- Now paste the mac address copied earlier in the box below.
Now you have to save the packets so that they can be cracked later. To do this-
- Go to the logging tab on top and enable auto saving.
- Set Maximum Directory Size to 2000
- Set Average Log File Size to 20.
Step 3: Waiting...
Now the boring part- WAITING!NOTE: The amount of time taken to capture enough data packets depends on the signal and the networks usage. The minimum number of packets you should capture should be 100,000 for a decent signal.
After you think you have enough packets (at least 100,000 packets)
- Go to the log tab and click on concatenate logs.
- Select all the logs that have been saved.
- Do not close CommView for Wi-Fi
- Now navigate to the folder where the concatenated logs have been saved
- Open the log file
- Select File- Export -Wire shark tcpdump format and choose any suitable destination.
- This will save the logs with a .cap extension to that location
Now the Interesting Part... CRACKING!
- Download Aircrack-ng and extract the zip file.
- Open the folder and navigate to 'bin'.
- Run Aircrack-ng GUI
- Choose WEP
- Open your .cap file that you had saved earlier.
- Click Launch.
- In the command prompt type in the index number of your target wireless network.
- Wait for a while .If everything goes fine the wireless key will be shown.
BEST OF LUCK.
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