How to use macchanger in linux

Change MAC address using macchanger on Kali Linux

Objective
The objective is to change or fake an original network card's hardware MAC address. The following article will show how to change MAC address using macchanger on Kali Linux.

Change to a Random MAC address
First, let's see how we can use macchanger to change network card's hardware MAC address to a random address. We can start by investigating our current MAC address of eg eth0 network interface. To do this we execute macchanger with an option -s and an argument eth0.
macchanger -s eth0
The network interface you are about to change a MAC address on must be turned off prior your MAC address change attempt. Use ifconfig command to turn off your network interface:
ifconfig eth0 down
If the following error message appears you have most likely failed to turn off your network interface:
ERROR: Can't change MAC: interface up or not permission: Cannot assign requested address
Now, its time to change network card's hardware MAC address to some random hexadecimal numbers:
macchanger -r eth0
Bring your network interface up and display your new MAC addres:
ifconfig eth0 down
macchanger -s eth0
change to a random mac address
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Check new MAC address
Your new MAC address will now show while listing network interface using ifconfig command:

show new mac address
Change to a Specific MAC address
The following procedure on Kali Linux can be used to spoof MAC address to a specific string. This can be achieved by use maccachnager's -m option:
ifconfig eth0 down
macchanger -m 00:d0:70:00:20:69 eth0
ifconfig eth0 up
macchanger -s eth0
Use macchanger to change MAC to a specific address

Use -l option to find a MAC address prefix of a specific hardware vendor:
macchanger -l





||Disclaimer||
Never try to gain access to or security test a network or computer that you do not have written
permission to do so. Doing so could leave you facing legal prosecution and you could end up in jail.

[All Topics are only for educational purposes. I am not responsible for your Actions]
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