Created
July 29, 2013 20:24
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ARP Spoofing Detector
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| #!/bin/bash | |
| # | |
| # Version: 1.0 | |
| # Date: 24-07-2013 | |
| # Author: Alberto Alcolea (contact@albertoalcolea.com) | |
| # | |
| PRIORITY="local0.alert" | |
| icon="/home/alberto/.icons/elementary/actions/48/process-stop.svg" | |
| prev='' | |
| arp | while read ip hwtype mac flag iface | |
| do | |
| if [ ! $mac == 'HWaddress' ] | |
| then | |
| for a in $prev | |
| do | |
| if [ $(echo $a | cut -d'_' -f2) == $mac ] | |
| then | |
| ip2=$(echo $a | cut -d'_' -f1) | |
| # echo "MAC duplicada: $ip - $ip2 [$mac]" | |
| logger -p $PRIORITY "MAC duplicada: $ip - $ip2 [$mac]" > /dev/null 2> /dev/null | |
| service network-manager stop | |
| notify-send 'Detectado envenenamiento de tablas ARP' "$ip - $ip2\n[$mac]" -i $icon -u critical | |
| fi | |
| done | |
| prev="$prev $ip"_"$mac" | |
| fi | |
| done |
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