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Wifi Hacking – WEP (Using Kali Linux)


Firstly, create a wireless network to crack. Don’t use this method on others. It is illegal. Then proceed with the steps below.
1. Find out the name of your wireless adapter.
Alright, now, your computer has many network adapters, so to scan one, you need to know its name. So there are basically the following things that you need to know-
lo – loopback. Not important currently.
eth – ethernet
wlan – This is what we want. Note the suffix associated.


Now, to see all the adapters, type ifconfig on a terminal. See the result. Note down the wlan(0/1/2) adapter.
2. Enable Monitor mode
Now, we use a tool called airmon-ng to create a virtual interface called mon. Just type
“airmon-ng start wlan0”
Your mon0 interface will be created.
3. Start capturing packets
Now, we’ll use airodump-ng to capture the packets in the air. This tool gathers data from the wireless packets in the air. You’ll see the name of the wifi you want to hack.
“airodump-ng mon0”
4. Store the captured packets in a file
This can be achieved by giving some more parameters with the airodump command
“airodump-ng mon0 –write name_of_file”
Now the captured packets will be stored in name_of_file.cap
You have to wait till you have enough data (10000 minimum)
5. Crack the wifi
If all goes well ,then you’ll be sitting in front of your pc, grinning, finally you’ve got 10000 packets (don’t stop the packet capture yet). Now, you can use aircrack-ng to crack the password. (in a new terminal)
“aircrack-ng name_of_file-01.cap”
The program will ask which wifi to crack, if there are multiple available. Choose the wifi. It’ll do its job. If the password is weak enough, then you’ll get it in front of you. If not, the program will tell you to get more packets. The program will retry again when there are 15000 packets, and so on.
Note : This will not work with WPA-2.

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Abishiekh Jain is a 16-year-old programmer and blogger born and brought up in Chennai. He is the founder of Hackers Den 🙂
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