whois_analyzer.py aktualisiert
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@ -1,9 +1,8 @@
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"""Index analyzer plugin for WHOIS data enrichment - Debug Version."""
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"""Index analyzer plugin for WHOIS data enrichment - API-Only Version."""
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import ipaddress
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import logging
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import time
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import os
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from typing import Dict, Optional, Set
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import requests
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@ -12,426 +11,297 @@ from flask import current_app
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from timesketch.lib.analyzers import interface
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from timesketch.lib.analyzers import manager
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# Try to import whois library, with fallback handling
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try:
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import whois
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HAS_WHOIS = True
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except ImportError:
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HAS_WHOIS = False
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logger = logging.getLogger("timesketch.analyzers.whois_enrichment")
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class WhoisEnrichmentAnalyzer(interface.BaseAnalyzer):
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"""Analyzer to enrich IP addresses with WHOIS data."""
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"""Analyzer to enrich IP addresses with WHOIS/ASN data using APIs only."""
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NAME = 'whois_enrichment'
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DISPLAY_NAME = 'WHOIS IP Enrichment'
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DESCRIPTION = 'Enriches source IP addresses with WHOIS/ASN data'
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DISPLAY_NAME = 'WHOIS IP Enrichment'
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DESCRIPTION = 'Enriches IP addresses with ASN/WHOIS data via APIs'
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# Common IP fields to check (same as GeoIP analyzer for consistency)
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# IP fields to check (consistent with GeoIP analyzer)
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IP_FIELDS = [
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'ip',
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'host_ip',
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'src_ip',
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'dst_ip',
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'source_ip',
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'dest_ip',
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'ip_address',
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'client_ip',
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'address',
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'saddr',
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'daddr'
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'ip', 'host_ip', 'src_ip', 'dst_ip', 'source_ip', 'dest_ip',
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'ip_address', 'client_ip', 'address', 'saddr', 'daddr'
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]
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def __init__(self, index_name, sketch_id, timeline_id=None):
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super().__init__(index_name, sketch_id, timeline_id)
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# Configuration options
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self.batch_size = current_app.config.get('WHOIS_BATCH_SIZE', 50)
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self.rate_limit_delay = current_app.config.get('WHOIS_RATE_LIMIT_DELAY', 1.0)
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self.max_retries = current_app.config.get('WHOIS_MAX_RETRIES', 2)
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self.timeout = current_app.config.get('WHOIS_TIMEOUT', 30)
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# Configuration
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self.batch_size = current_app.config.get('WHOIS_BATCH_SIZE', 25) # Reduced for API limits
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self.rate_limit_delay = current_app.config.get('WHOIS_RATE_LIMIT_DELAY', 2.0) # Increased
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self.timeout = current_app.config.get('WHOIS_TIMEOUT', 10)
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# Cache to avoid duplicate queries
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self.whois_cache: Dict[str, Optional[Dict]] = {}
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self.processed_ips: Set[str] = set()
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# Debug counters
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self.debug_stats = {
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'total_events': 0,
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'events_with_ips': 0,
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'valid_ips_found': 0,
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'invalid_ips_found': 0,
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'api_calls_made': 0,
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# Stats
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self.stats = {
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'events_processed': 0,
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'valid_ips_found': 0,
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'api_calls': 0,
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'api_successes': 0,
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'api_failures': 0,
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'whois_lib_available': HAS_WHOIS
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'cached_results': 0
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}
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logger.info(f"WHOIS Analyzer initialized. python-whois available: {HAS_WHOIS}")
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def _validate_ip(self, ip_address: str) -> bool:
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"""Validate an IP address for analysis.
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Args:
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ip_address: The IP address to validate
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Returns:
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True if IP is valid and should be processed
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"""
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"""Validate IP address - less restrictive for better coverage."""
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try:
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ip_str = ip_address.strip()
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ip = ipaddress.ip_address(ip_str)
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ip = ipaddress.ip_address(ip_address.strip())
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# DEBUG: Log all IPs being validated
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logger.debug(f"Validating IP: {ip_str} - is_global: {ip.is_global}, is_private: {ip.is_private}")
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# Be less restrictive than just is_global - include more IPs for testing
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if ip.is_private or ip.is_loopback or ip.is_multicast:
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logger.debug(f"Skipping private/loopback/multicast IP: {ip_str}")
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# Skip only obvious invalid cases
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if ip.is_loopback or ip.is_multicast or ip.is_link_local:
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return False
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# Accept global IPs and also some reserved ranges that might have WHOIS data
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# Accept both private and public IPs (some private ranges have ASN data)
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return True
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except (ValueError, AttributeError) as e:
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logger.debug(f"Invalid IP address format: {ip_address} - {e}")
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except (ValueError, AttributeError):
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return False
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def _get_asn_data_via_api(self, ip_address: str) -> Optional[Dict]:
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"""Get ASN data using a free API service as fallback."""
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def _get_asn_data_via_ipapi(self, ip_address: str) -> Optional[Dict]:
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"""Get ASN data using ip-api.com (150 requests/minute free tier)."""
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try:
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self.debug_stats['api_calls_made'] += 1
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self.stats['api_calls'] += 1
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# Using ip-api.com which has a free tier (150 requests per minute)
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url = f"http://ip-api.com/json/{ip_address}?fields=status,message,as,asname,isp,org,country,regionName,city"
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# Comprehensive field list for ip-api.com
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fields = "status,message,country,countryCode,region,regionName,city,zip,lat,lon,timezone,isp,org,as,asname,mobile,proxy,hosting"
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url = f"http://ip-api.com/json/{ip_address}?fields={fields}"
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logger.debug(f"Making API call to: {url}")
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logger.debug(f"API call: {url}")
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response = requests.get(url, timeout=self.timeout)
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logger.debug(f"API response status: {response.status_code}")
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if response.status_code == 200:
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data = response.json()
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logger.debug(f"API response data: {data}")
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if data.get('status') == 'success':
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# Parse ASN number from 'as' field (format: "AS15169 Google LLC")
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# Parse ASN from 'as' field (format: "AS15169 Google LLC")
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as_info = data.get('as', '')
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asn = None
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asn_description = None
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if as_info and as_info.startswith('AS'):
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asn = as_info.split()[0][2:] # Remove 'AS' prefix
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parts = as_info.split(' ', 1)
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asn = parts[0][2:] # Remove 'AS' prefix
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if len(parts) > 1:
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asn_description = parts[1]
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result = {
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'source': 'ip-api.com',
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'asn': asn,
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'asn_description': asn_description,
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'asn_name': data.get('asname'),
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'isp': data.get('isp'),
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'organization': data.get('org'),
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'country': data.get('country'),
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'country_code': data.get('countryCode'),
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'region': data.get('regionName'),
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'city': data.get('city')
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'city': data.get('city'),
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'latitude': data.get('lat'),
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'longitude': data.get('lon'),
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'timezone': data.get('timezone'),
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'is_mobile': data.get('mobile'),
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'is_proxy': data.get('proxy'),
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'is_hosting': data.get('hosting')
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}
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self.debug_stats['api_successes'] += 1
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logger.debug(f"API lookup successful for {ip_address}: {result}")
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# Remove None values
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result = {k: v for k, v in result.items() if v is not None}
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self.stats['api_successes'] += 1
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logger.info(f"✅ Successfully retrieved data for {ip_address}")
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return result
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else:
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logger.debug(f"API returned failure status for {ip_address}: {data.get('message', 'Unknown error')}")
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self.debug_stats['api_failures'] += 1
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logger.debug(f"❌ API returned error for {ip_address}: {data.get('message')}")
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self.stats['api_failures'] += 1
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else:
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logger.warning(f"API request failed with status {response.status_code}")
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self.debug_stats['api_failures'] += 1
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logger.warning(f"❌ HTTP {response.status_code} for {ip_address}")
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self.stats['api_failures'] += 1
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return None
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except requests.exceptions.Timeout:
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logger.warning(f"⏰ API timeout for {ip_address}")
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self.stats['api_failures'] += 1
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return None
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except Exception as e:
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logger.error(f"API lookup failed for {ip_address}: {e}")
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self.debug_stats['api_failures'] += 1
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return None
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def _get_whois_data_python_whois(self, ip_address: str) -> Optional[Dict]:
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"""Get WHOIS data using python-whois library."""
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if not HAS_WHOIS:
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logger.debug("python-whois library not available")
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return None
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try:
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logger.debug(f"Attempting python-whois lookup for {ip_address}")
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w = whois.whois(ip_address)
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# Extract relevant information
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data = {}
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# Network information
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if hasattr(w, 'nets') and w.nets:
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net = w.nets[0] if isinstance(w.nets, list) else w.nets
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data['network_name'] = getattr(net, 'name', None)
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data['network_range'] = getattr(net, 'range', None)
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data['network_type'] = getattr(net, 'type', None)
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# ASN information
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if hasattr(w, 'asn'):
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data['asn'] = w.asn
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if hasattr(w, 'asn_description'):
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data['asn_description'] = w.asn_description
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# Organization information
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if hasattr(w, 'org'):
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data['organization'] = w.org
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if hasattr(w, 'address'):
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data['address'] = w.address
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if hasattr(w, 'city'):
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data['city'] = w.city
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if hasattr(w, 'state'):
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data['state'] = w.state
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if hasattr(w, 'country'):
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data['country'] = w.country
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# Registration dates
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if hasattr(w, 'creation_date'):
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data['creation_date'] = str(w.creation_date)
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if hasattr(w, 'updated_date'):
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data['updated_date'] = str(w.updated_date)
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if data:
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logger.debug(f"python-whois lookup successful for {ip_address}: {data}")
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else:
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logger.debug(f"python-whois returned no data for {ip_address}")
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return data if data else None
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except Exception as e:
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logger.debug(f"Python-whois lookup failed for {ip_address}: {e}")
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logger.error(f"💥 API error for {ip_address}: {e}")
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self.stats['api_failures'] += 1
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return None
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def _get_whois_data(self, ip_address: str) -> Optional[Dict]:
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"""Get WHOIS data for an IP address using available methods."""
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"""Get WHOIS data for IP address."""
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if ip_address in self.whois_cache:
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logger.debug(f"Using cached WHOIS data for {ip_address}")
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self.stats['cached_results'] += 1
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return self.whois_cache[ip_address]
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whois_data = None
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# Use API-only approach
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whois_data = self._get_asn_data_via_ipapi(ip_address)
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# Try python-whois first if available
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if HAS_WHOIS:
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whois_data = self._get_whois_data_python_whois(ip_address)
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# Fallback to API if python-whois failed or unavailable
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if not whois_data:
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whois_data = self._get_asn_data_via_api(ip_address)
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# Cache the result (even if None)
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# Cache result (even if None to avoid repeated failed lookups)
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self.whois_cache[ip_address] = whois_data
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if whois_data:
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logger.info(f"Successfully retrieved WHOIS data for {ip_address}")
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else:
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logger.debug(f"No WHOIS data found for {ip_address}")
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return whois_data
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def _enrich_event(self, event, ip_field: str, whois_data: Dict):
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"""Add WHOIS data to the event."""
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def _enrich_event(self, event, ip_field: str, ip_address: str, whois_data: Dict):
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"""Add WHOIS data to event."""
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try:
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# Create enrichment attributes with field-specific naming
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enrichment = {'whois_checked': True}
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enrichment = {
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'whois_checked': True,
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f'{ip_field}_whois_source': whois_data.get('source', 'unknown')
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}
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# Add ASN information
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# ASN information
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if whois_data.get('asn'):
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enrichment[f'{ip_field}_asn'] = whois_data['asn']
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if whois_data.get('asn_name') or whois_data.get('asn_description'):
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asn_name = whois_data.get('asn_name') or whois_data.get('asn_description')
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enrichment[f'{ip_field}_asn_name'] = asn_name
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# Add organization information
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if whois_data.get('asn_name'):
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enrichment[f'{ip_field}_asn_name'] = whois_data['asn_name']
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if whois_data.get('asn_description'):
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enrichment[f'{ip_field}_asn_description'] = whois_data['asn_description']
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# Organization info
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if whois_data.get('organization'):
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enrichment[f'{ip_field}_organization'] = whois_data['organization']
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if whois_data.get('isp'):
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enrichment[f'{ip_field}_isp'] = whois_data['isp']
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# Add network information
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if whois_data.get('network_name'):
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enrichment[f'{ip_field}_network_name'] = whois_data['network_name']
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if whois_data.get('network_range'):
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enrichment[f'{ip_field}_network_range'] = whois_data['network_range']
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if whois_data.get('network_type'):
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enrichment[f'{ip_field}_network_type'] = whois_data['network_type']
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# Add location information (if not covered by GeoIP)
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# Location (prefix with 'whois' to avoid conflicts with GeoIP)
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if whois_data.get('country'):
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enrichment[f'{ip_field}_whois_country'] = whois_data['country']
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if whois_data.get('country_code'):
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enrichment[f'{ip_field}_whois_country_code'] = whois_data['country_code']
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if whois_data.get('region'):
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enrichment[f'{ip_field}_whois_region'] = whois_data['region']
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if whois_data.get('city'):
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enrichment[f'{ip_field}_whois_city'] = whois_data['city']
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# Add registration dates
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if whois_data.get('creation_date'):
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enrichment[f'{ip_field}_creation_date'] = whois_data['creation_date']
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if whois_data.get('updated_date'):
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enrichment[f'{ip_field}_updated_date'] = whois_data['updated_date']
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logger.debug(f"Adding enrichment data: {enrichment}")
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# Additional metadata
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if whois_data.get('timezone'):
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enrichment[f'{ip_field}_timezone'] = whois_data['timezone']
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if whois_data.get('is_mobile') is not None:
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enrichment[f'{ip_field}_is_mobile'] = whois_data['is_mobile']
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if whois_data.get('is_proxy') is not None:
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enrichment[f'{ip_field}_is_proxy'] = whois_data['is_proxy']
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if whois_data.get('is_hosting') is not None:
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enrichment[f'{ip_field}_is_hosting'] = whois_data['is_hosting']
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event.add_attributes(enrichment)
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event.add_tags(['whois-enriched'])
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event.commit()
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logger.info(f"Successfully enriched event for {ip_field}")
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logger.info(f"✅ Enriched event for {ip_address} ({ip_field})")
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except Exception as e:
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logger.error(f"Error enriching event for {ip_field}: {e}")
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# Still mark as checked to avoid reprocessing
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logger.error(f"💥 Error enriching event for {ip_address}: {e}")
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# Mark as checked to avoid retry loops
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try:
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event.add_attributes({'whois_checked': True, 'whois_error': str(e)})
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event.commit()
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except Exception as commit_error:
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logger.error(f"Error marking event as checked: {commit_error}")
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except Exception:
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pass
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def run(self):
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"""Main analyzer logic."""
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logger.info("Starting WHOIS enrichment analysis")
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logger.info(f"Debug stats: {self.debug_stats}")
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logger.info("🚀 Starting WHOIS enrichment analysis")
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# Test a single known IP to verify API connectivity
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test_ip = "8.8.8.8"
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logger.info(f"Testing API connectivity with {test_ip}")
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test_result = self._get_asn_data_via_api(test_ip)
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if test_result:
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logger.info(f"API test successful: {test_result}")
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# Test API connectivity first
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test_result = self._get_whois_data("8.8.8.8")
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if not test_result:
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return "❌ API connectivity test failed - check internet connection"
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else:
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logger.warning("API test failed - this may indicate connectivity issues")
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logger.info(f"✅ API connectivity test passed: {test_result}")
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# Build query for events with IP fields that haven't been checked
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ip_exists_queries = [f'_exists_:{field}' for field in self.IP_FIELDS]
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query = f'({" OR ".join(ip_exists_queries)}) AND NOT _exists_:whois_checked'
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# Query for events with IP fields, excluding already processed ones
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ip_queries = [f'_exists_:{field}' for field in self.IP_FIELDS]
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query = f'({" OR ".join(ip_queries)}) AND NOT _exists_:whois_checked'
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logger.info(f"Query: {query}")
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logger.info(f"📝 Query: {query}")
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events = self.event_stream(
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query_string=query,
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query_string=query,
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return_fields=self.IP_FIELDS + ['whois_checked']
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)
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||||
|
||||
total_processed = 0
|
||||
enriched_count = 0
|
||||
|
||||
try:
|
||||
current_batch = []
|
||||
|
||||
for event in events:
|
||||
current_batch.append(event)
|
||||
self.debug_stats['total_events'] += 1
|
||||
self.stats['events_processed'] += 1
|
||||
|
||||
# Debug: Log event fields
|
||||
ip_fields_present = []
|
||||
for field in self.IP_FIELDS:
|
||||
value = event.source.get(field)
|
||||
if value:
|
||||
ip_fields_present.append(f"{field}={value}")
|
||||
# Process IP fields in this event
|
||||
enriched_this_event = False
|
||||
|
||||
if ip_fields_present:
|
||||
logger.debug(f"Event {self.debug_stats['total_events']} has IP fields: {ip_fields_present}")
|
||||
self.debug_stats['events_with_ips'] += 1
|
||||
else:
|
||||
logger.debug(f"Event {self.debug_stats['total_events']} has no IP fields")
|
||||
|
||||
if len(current_batch) >= self.batch_size:
|
||||
processed, enriched = self._process_batch(current_batch)
|
||||
total_processed += processed
|
||||
enriched_count += enriched
|
||||
current_batch = []
|
||||
for ip_field in self.IP_FIELDS:
|
||||
ip_value = event.source.get(ip_field)
|
||||
if not ip_value:
|
||||
continue
|
||||
|
||||
# Rate limiting
|
||||
# Handle string or list of IPs
|
||||
ip_list = [ip_value] if isinstance(ip_value, str) else (ip_value if isinstance(ip_value, list) else [])
|
||||
|
||||
for ip_addr in ip_list:
|
||||
ip_str = str(ip_addr).strip()
|
||||
|
||||
if not self._validate_ip(ip_str):
|
||||
continue
|
||||
|
||||
self.stats['valid_ips_found'] += 1
|
||||
|
||||
if ip_str not in self.processed_ips:
|
||||
self.processed_ips.add(ip_str)
|
||||
|
||||
whois_data = self._get_whois_data(ip_str)
|
||||
|
||||
if whois_data:
|
||||
self._enrich_event(event, ip_field, ip_str, whois_data)
|
||||
enriched_count += 1
|
||||
enriched_this_event = True
|
||||
break # One enrichment per event
|
||||
|
||||
# Mark as checked even if no enrichment
|
||||
if not enriched_this_event:
|
||||
try:
|
||||
event.add_attributes({'whois_checked': True, 'whois_no_data': True})
|
||||
event.commit()
|
||||
except Exception as e:
|
||||
logger.error(f"Error marking event: {e}")
|
||||
|
||||
# Rate limiting
|
||||
if self.stats['events_processed'] % self.batch_size == 0:
|
||||
logger.info(f"📊 Progress: {self.stats}")
|
||||
if self.rate_limit_delay > 0:
|
||||
time.sleep(self.rate_limit_delay)
|
||||
|
||||
# Log progress
|
||||
if total_processed % (self.batch_size * 5) == 0:
|
||||
logger.info(f"Progress: {total_processed} processed, {enriched_count} enriched")
|
||||
logger.info(f"Debug stats: {self.debug_stats}")
|
||||
|
||||
# Process remaining events
|
||||
if current_batch:
|
||||
processed, enriched = self._process_batch(current_batch)
|
||||
total_processed += processed
|
||||
enriched_count += enriched
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"Error during WHOIS processing: {e}", exc_info=True)
|
||||
|
||||
# Create a view if we enriched any events
|
||||
logger.error(f"💥 Error during processing: {e}", exc_info=True)
|
||||
|
||||
# Create view if we have enriched events
|
||||
if enriched_count > 0:
|
||||
self.sketch.add_view(
|
||||
view_name="WHOIS Enriched Events",
|
||||
analyzer_name=self.NAME,
|
||||
query_string='tag:"whois-enriched"'
|
||||
)
|
||||
|
||||
# Final debug summary
|
||||
logger.info(f"WHOIS enrichment complete:")
|
||||
logger.info(f" - Total events processed: {total_processed}")
|
||||
logger.info(f" - Events enriched: {enriched_count}")
|
||||
logger.info(f" - Debug stats: {self.debug_stats}")
|
||||
|
||||
return f"Processed {total_processed} events, enriched {enriched_count} with WHOIS data. Debug stats: {self.debug_stats}"
|
||||
|
||||
def _process_batch(self, events):
|
||||
"""Process a batch of events."""
|
||||
processed_count = 0
|
||||
enriched_count = 0
|
||||
# Final summary
|
||||
success_rate = (self.stats['api_successes'] / max(1, self.stats['api_calls'])) * 100
|
||||
|
||||
for event in events:
|
||||
processed_count += 1
|
||||
event_enriched = False
|
||||
|
||||
# Check each IP field in the event
|
||||
for ip_field in self.IP_FIELDS:
|
||||
ip_value = event.source.get(ip_field)
|
||||
if not ip_value:
|
||||
continue
|
||||
|
||||
# Handle both single IP and list of IPs
|
||||
if isinstance(ip_value, str):
|
||||
ip_addresses = [ip_value]
|
||||
else:
|
||||
ip_addresses = ip_value if isinstance(ip_value, list) else [str(ip_value)]
|
||||
|
||||
for ip_addr in ip_addresses:
|
||||
if not self._validate_ip(ip_addr):
|
||||
self.debug_stats['invalid_ips_found'] += 1
|
||||
continue
|
||||
|
||||
self.debug_stats['valid_ips_found'] += 1
|
||||
|
||||
if ip_addr in self.processed_ips:
|
||||
logger.debug(f"IP {ip_addr} already processed")
|
||||
continue
|
||||
|
||||
self.processed_ips.add(ip_addr)
|
||||
|
||||
# Get WHOIS data
|
||||
whois_data = self._get_whois_data(ip_addr)
|
||||
|
||||
if whois_data:
|
||||
self._enrich_event(event, ip_field, whois_data)
|
||||
enriched_count += 1
|
||||
event_enriched = True
|
||||
logger.info(f"Enriched {ip_addr} with WHOIS data")
|
||||
break # Only enrich once per event
|
||||
else:
|
||||
logger.debug(f"No WHOIS data for {ip_addr}")
|
||||
|
||||
# Mark event as checked even if no enrichment occurred
|
||||
if not event_enriched:
|
||||
try:
|
||||
event.add_attributes({'whois_checked': True, 'whois_no_data': True})
|
||||
event.commit()
|
||||
except Exception as e:
|
||||
logger.error(f"Error marking event as checked: {e}")
|
||||
summary = (
|
||||
f"📈 WHOIS analysis complete: "
|
||||
f"{enriched_count} events enriched, "
|
||||
f"{self.stats['valid_ips_found']} valid IPs found, "
|
||||
f"API success rate: {success_rate:.1f}%"
|
||||
)
|
||||
|
||||
return processed_count, enriched_count
|
||||
logger.info(summary)
|
||||
logger.info(f"📊 Final stats: {self.stats}")
|
||||
|
||||
return summary
|
||||
|
||||
|
||||
# Register the analyzer
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user