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Hide MAC Address And Become Untraceable (MAC address spoofing)


Tools Used:- Macchanger

 What is Mac address? 
A MAC address (media access control address) is a unique identifier assigned to network interfaces for communications on the physical network segment. Every computer device has a different MAC address. The MAC address is a built-in all computer device when it is created. When the computer starts, the operating system reads from the hardware device. When you are connected to the wireless network, it sends packets to you and then your computer converts this information to websites, movies, images, etc. Imagine that two computers are connected to the wireless network, the first computer wants website google.com, and the second computer wants amazon.com, the network sends packets to these computers, but how do these computers know what packets ignore and what packets to receive? Computers identify packets to receive or ignore by MAC address when the network is sending a packet to the computer, it also writes in a packet the MAC address of the computer it is sending. that is the way how wireless networks and computers are connecting each other.

 How to hide MAC address?
In hacking, the most important thing is to be untraceable. To be able to hack something is nothing without hiding your identity. Even tho it seems impossible to change the Mac address since the computer reads it from hardware, we can do it by changing information in  RAM. When the computer starts, MAC address loads in RAM and we going to change already loaded MAC address. So, when anybody changes their MAC address, people trying to trace hacker will find hackers fake MAC address and they will not be able to trace a hacker.

 Change MAC address in Kali
Kali has a preinstalled program called “macchanger” which lets us change loaded MAC address in RAM.  We need to stop our wireless card to change the MAC address. Type in “ifconfig wlan0 down”. The ifconfig is a program, wlan0 is our wireless card and the down is action what we want to do. So, this command will stop every wireless service and it is necessary to stop network card before changing the MAC address. We can change MAC address and select random address by entering “macchanger –random wlan0”.macchanger is a program name, random is an option and wlan0 is wireless card.
It shows you what was the permanent (built-in in network card) MAC address and its corporation in brackets, and down it shows that there is a new MAC address which does not have a corporation.
For more options and more help with macchanger can always look the help menu as more options are available with macchanger. The command for help is "macchanger --help"

 Change MAC address in Windows
Step1:  Go to Control Panel->Network and Internet->Network and Sharing Center, and then click on Manage Network Connections or Change adapter settings.
Step2: On the General or Networking tab, click the Configure button.
Step3: Now click on the Advanced tab and click on the Locally Administered Address property or the Network Address property.
By default, the Not Present value is selected. Go ahead and click on the Value radio button and enter a new MAC address. The MAC address is a combination of 6 pairs of numbers and characters, enter the MAC address without the dashes.
You can go to the command prompt and type in IPCONFIG /ALL to check that the MAC address has been changed. Go ahead and restart the computer in order for the changes to take effect.
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