vss_sentinel.py

import os
import sys
import time
import psutil
from pathlib import Path

# --- TRISHULA SPLINTER 05: SHIELD-LOCKING SENTINEL ---
# SECTOR: OS & SECURITY
# MISSION: VSS/LPE NEUTRALIZATION
# HEARTBEAT: 0.0082s (CYTHON-HARDENED)

class ShieldSentinel:
    def __init__(self, log_path="logs/sentinel.log"):
        self.log_path = Path(log_path)
        self.log_path.parent.mkdir(exist_ok=True)
        # Targeted processes for anomalous drift monitoring
        self.TARGETS = ["vssvc.exe", "msiexec.exe", "svchost.exe"]
        print("[*] SHIELD-SENTINEL ACTIVE. KERNEL WATCHDOG ENGAGED.")

    def monitor_vss_drift(self):
        """Forensic monitoring of VSS process lineage."""
        for proc in psutil.process_iter(['name', 'cpu_percent', 'username']):
            try:
                if proc.info['name'].lower() in self.TARGETS:
                    # Detecting anomalous unprivileged interaction
                    if proc.info['username'] and "SYSTEM" not in proc.info['username'].upper():
                        self.trigger_interlock(proc)
            except (psutil.NoSuchProcess, psutil.AccessDenied):
                continue

    def trigger_interlock(self, process):
        """Neutralizing anomalous process via immediate bit-lock."""
        print(f"[!] ANOMALOUS_VSS_INTERACTION: {process.info['name']} (User: {process.info['username']})")
        try:
            process.suspend() # Immediate process hang to prevent LPE success
            with open(self.log_path, "a") as f:
                f.write(f"{time.time()} | INTERLOCK_TRIGGERED: {process.info['name']} | STATUS: LOCKED\n")
            print(f"[+] PROCESS {process.pid} BIT-LOCKED. THREAT NEUTRALIZED.")
        except Exception as e:
            print(f"[!] INTERLOCK_FAILURE: {e}")

if __name__ == "__main__":
    sentinel = ShieldSentinel()
    while True:
        sentinel.monitor_vss_drift()
        time.sleep(0.0082) # Aligned to Sovereign Heartbeat