Comment by classichasclass

Alternatively, if you don't want to run the whole Electron app, the money is this line:

  sudo.exec("/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport en0 -z && ifconfig en0 ether `openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//'`",