MACChanger is an utility that makes the maniputation of MAC addresses of network interfaces easier.
MACChanger allows you to change Media Access Control (MAC) Address of your Network Interface Card (NIC) irrespective to your NIC manufacturer or its driver. It has a very simple user interface and provides ample information regarding each NIC in the machine. Every NIC has a MAC address hard coded in its circuit by the manufacturer. This hard coded MAC address is used by windows drivers to access Ethernet Network (LAN). This tool can set a new MAC address to your NIC, bypassing the original hard coded MAC address. Technitium MAC Address Changer is a must tool in every security professionals tool box.
It is an important component of network security, whether it’s an enterprise LAN or your home media network. MACChanger is no-nonsense freeware that gets the job done.
mac changer [options] device
-h, --help Print this help -V, --version Print version and exit -s, --show Print the MAC address and exit -e, --ending Don't change the vendor bytes -a, --another Set random vendor MAC of the same kind -A Set random vendor MAC of any kind -p, --permanent Reset to original, permanent hardware MAC -r, --random Set fully random MAC -l, --list[=keyword] Print known vendors -b, --bia Pretend to be a burned-in-address -m, --mac=XX:XX:XX:XX:XX:XX --mac XX:XX:XX:XX:XX:XX Set the MAC XX:XX:XX:XX:XX:XX
cyborg@cyborg:~$ sudo macchanger --mac=01:23:45:67:89:AB eth1 Current MAC: 00:40:96:43:87:65 [wireless] (REALTEK SEMICONDUCTOR CORP.) Faked MAC: 01:23:45:67:89:ab (unknown)