src/real_time_monitoring.py

import aiohttp
import asyncio
import logging
from modules.blockchain_logger import BlockchainLogger
from modules.threat_intelligence import ThreatIntelligence

class RealTimeMonitoring:
    def __init__(self, threat_intelligence_module):
        self.threat_intelligence_module = threat_intelligence_module
        self.alert_threshold = 0.8  # Threshold for triggering alerts
        self.blockchain_logger = BlockchainLogger()
        self.threat_intelligence = ThreatIntelligence()

    async def monitor_exfiltration(self, data_stream):
        async for data in data_stream:
            if self.detect_anomaly(data):
                self.trigger_alert(data)

    def detect_anomaly(self, data):
        # Implement anomaly detection logic
        anomaly_score = self.calculate_anomaly_score(data)
        return anomaly_score > self.alert_threshold

    def calculate_anomaly_score(self, data):
        # Example anomaly detection logic using statistical methods
        mean = sum(data) / len(data)
        variance = sum((x - mean) ** 2 for x in data) / len(data)
        anomaly_score = (data[-1] - mean) / (variance ** 0.5)
        return anomaly_score

    def trigger_alert(self, data):
        # Implement alerting logic
        alert_message = f"Suspicious activity detected: {data}"
        logging.warning(alert_message)
        self.send_alert(alert_message)
        self.blockchain_logger.log_event(alert_message)

    def send_alert(self, message):
        # Example alerting logic using email
        import smtplib
        from email.mime.text import MIMEText

        sender = "alert@example.com"
        recipient = "admin@example.com"
        subject = "Security Alert"
        body = message

        msg = MIMEText(body)
        msg["Subject"] = subject
        msg["From"] = sender
        msg["To"] = recipient

        try:
            with smtplib.SMTP("smtp.example.com") as server:
                server.login("username", "password")
                server.sendmail(sender, [recipient], msg.as_string())
        except Exception as e:
            logging.error(f"Failed to send alert email: {e}")

    async def update_exfiltration_techniques(self):
        latest_threats = await self.threat_intelligence_module.get_latest_threats()
        analyzed_threats = self.threat_intelligence_module.analyze_threats(latest_threats)
        # Implement updating exfiltration techniques with analyzed threats
        updated_techniques = self.generate_exfiltration_techniques(analyzed_threats)
        return updated_techniques

    def generate_exfiltration_techniques(self, threats):
        # Example logic to generate exfiltration techniques based on analyzed threats
        techniques = []
        for threat in threats:
            if threat["severity"] > 0.9:
                techniques.append("Advanced Covert Channel")
            elif threat["severity"] > 0.7:
                techniques.append("DNS Tunneling")
            else:
                techniques.append("HTTP Exfiltration")
        return techniques

    async def integrate_with_new_components(self, new_component_data):
        latest_threats = await self.threat_intelligence.get_threat_intelligence()
        analyzed_threats = self.threat_intelligence.process_data(latest_threats)
        updated_techniques = self.generate_exfiltration_techniques(analyzed_threats)
        return updated_techniques

    def ensure_compatibility(self, existing_data, new_component_data):
        compatible_data = {
            "existing_data": existing_data,
            "new_component_data": new_component_data
        }
        return compatible_data

    async def fetch_data(self, url):
        try:
            async with aiohttp.ClientSession() as session:
                async with session.get(url) as response:
                    data = await response.json()
                    self.blockchain_logger.log_event(f"Fetched data from {url}")
                    return data
        except aiohttp.ClientError as e:
            logging.error(f"Network request failed: {e}")
            return None
        except Exception as e:
            logging.error(f"Unexpected error: {e}")
            return None

    async def fetch_all_data(self):
        tasks = [self.fetch_data(url) for url in self.threat_intelligence.sources]
        return await asyncio.gather(*tasks, return_exceptions=True)