from scapy.all import *
import socket

def pkt_callback(pkt):
    if pkt.getlayer(IP) and pkt.getlayer(UDP) and pkt.getlayer(Raw):
        payload = pkt[Raw].load
        if len(payload) == 4 and pkt[UDP].sport != 7777:
            insertOnDB(pkt[IP].src, pkt[UDP].sport, pkt[IP].ttl)

def insertOnDB(dstIp, dstPort, ttl):
    with open("fenixips.txt", "a") as f:
        f.write(dstIp)
        f.write("\n")

sniff(iface="eth0", prn=pkt_callback, filter="udp and dst port 7777", store=0)