Install Proxmark3 for MacOS

install.sh

#!/bin/bash
#
# Proxmark3 automated installer - for those of us 
#     that love to tinker.
#
# Requires: Homebrew

# Update homebrew
brew update

# Add the proxmark repo to brew
brew tap proxmark/proxmark3

# Install the package and dependencies
brew install proxmark3
echo "[+] Installed!"
echo

# Stuff below is just informational
echo "--- Select tty from this list ---"
ls -1 /dev/cu.usbmodem*
echo
echo "Using Proxmark3:"
echo"	  proxmark3 /dev/cu.usbmodem"
echo 
echo "Bruteforcing Mifare:"
echo
echo 'step 1) look for valid sectors'
echo '  hf mf chk * ?'
echo
echo 'step 2) use valid sectors to decrypt and dump'
echo '  hf mf nested 1 0 A ffffffffffff   d'
echo
echo "Good Luck!"