domains2pcap.py

import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)

from scapy.all import *

ip_dst = "192.168.1.1"

if __name__ == "__main__":
  if len(sys.argv) != 3:
    print("Usage: domains2pcap.py DOMAIN-FILE PCAP-FILE")
    exit()

  domains = [d.strip() for d in open(sys.argv[1])]
  packets = []
  for domain in domains:
    packets.append(IP(dst=ip_dst)/UDP()/DNS(rd=1, qd=DNSQR(qname=domain)))

  wrpcap(sys.argv[2], packets)