MDNS python

Hello. Need to grep MDNS message and use at python code Example message: 00:31:50.960288 IP 10.125.1.20.5353 > 224.0.0.251.5353: 0*- [0q] 1/0/3 PTR BeyondTV-8bf2ee2538df698d648daecf10e81815._googlecast._tcp.local. (336) 0x0000: 0100 5e00 00fb d813 992c 373f 0800 4500 ..^......,7?..E. 0x0010: 016c 7890 4000 ff11 1564 0a7d 0114 e000 .lx.@....d.}.... 0x0020: 00fb 14e9 14e9 0158 1ff3 0000 8400 0000 .......X........ 0x0030: 0001 0000 0003 0b5f 676f 6f67 6c65 6361 ......._googleca 0x0040: 7374 045f 7463 7005 6c6f 6361 6c00 000c st._tcp.local... 0x0050: 0001 0000 0078 002c 2942 6579 6f6e 6454 .....x.,)BeyondT 0x0060: 562d 3862 6632 6565 3235 3338 6466 3639 V-8bf2ee2538df69 0x0070: 3864 3634 3864 6165 6366 3130 6538 3138 8d648daecf10e818 0x0080: 3135 c00c c02e 0010 8001 0000 1194 00a1 15.............. 0x0090: 2369 643d 3862 6632 6565 3235 3338 6466 #id=8bf2ee2538df 0x00a0: 3639 3864 3634 3864 6165 6366 3130 6538 698d648daecf10e8 0x00b0: 3138 3135 2363 643d 3032 4343 3343 3632 1815#cd=02CC3C62 0x00c0: 4135 3343 3538 3244 3043 4341 3644 4233 A53C582D0CCA6DB3 0x00d0: 3431 4244 3733 3935 0372 6d3d 0576 653d 41BD7395.rm=.ve= 0x00e0: 3035 0b6d 643d 4265 796f 6e64 5456 1269 05.md=BeyondTV.i 0x00f0: 633d 2f73 6574 7570 2f69 636f 6e2e 706e c=/setup/[login to view URL] 0x0100: 6707 666e 3d31 3530 3809 6361 3d31 3938 g.fn=1508.ca=198 0x0110: 3636 3104 7374 3d30 0f62 733d 4641 3846 661.st=0.bs=FA8F 0x0120: 3041 4133 3745 3646 046e 663d 3103 7273 0AA37E6F.nf=[login to view URL] 0x0130: 3dc0 2e00 2180 0100 0000 7800 2d00 0000 =...!.....x.-... 0x0140: 001f 4924 3862 6632 6565 3235 2d33 3864 ..I$8bf2ee25-38d 0x0150: 662d 3639 3864 2d36 3438 642d 6165 6366 f-698d-648d-aecf 0x0160: 3130 6538 3138 3135 c01d c119 0001 8001 10e81815........ 0x0170: 0000 0078 0004 0a7d 0114 ...x...}.. Code Python: #!/usr/bin/env python # -*- coding: utf-8 -*- #python 2.7 from [login to view URL] import * from struct import pack from time import sleep #import binascii ## Create a Packet Count var packetCount = 0 def dns_spoof(pkt): redirect_to = '[login to view URL]' data = "00 00 00 00 00 01 00 00 00 00 00 00 0b 5f 67 6f 6f 67 6c 65 63 61 73 74 04 5f 74 63 70 05 6c 6f 63 61 6c 00 00 0c 80 01" data_list = [login to view URL]() data_hex = ''.join(data_list).decode('hex') spoofed_pkt = IP(src='[login to view URL]', dst=redirect_to)/UDP(dport='mdns', sport='mdns')/Raw(load=data_hex) while True: send(spoofed_pkt) print 'Sent:', [login to view URL]() ## Define our Custom Action function def customAction(packet): global packetCount packetCount += 1 #print [login to view URL]() if DNSQR in packet: if packet[DNSQR].qname == '_googlecast._tcp.local.': print 'chromecast is being looked for' #flip the QU bit to true dns_spoof(packet) return "Packet #%s: %s ==> %s" % (packetCount, packet[0][1].src, packet[0][1].dst) ## Setup sniff, filtering for IP traffic #sniff(filter="ip", prn=customAction) #sniff(filter="ip and udp port mdns", prn=customAction) def main(): dns_spoof("tst") main() #MDNS ###[ DNS ]### # id = 0 # qr = 0L # opcode = QUERY # aa = 0L # tc = 0L # rd = 0L # ra = 0L # z = 0L # ad = 0L # cd = 0L # rcode = ok # qdcount = 1 # ancount = 0 # nscount = 0 # arcount = 0 # \qd \ # |###[ DNS Question Record ]### # | qname = '_googlecast._tcp.local.' # | qtype = PTR # | qclass = IN # an = None # ns = None # ar = None