# -*- coding: utf-8 -*- # ------------------------------------------------------------------------------- # Name: sfp_uceprotect # Purpose: SpiderFoot plug-in for looking up whether IPs/Netblocks/Domains # appear in the UCEPROTECT blacklist, indicating potential open-relays, # open proxies, malicious servers, vulnerable servers, etc. # # Author: Steve Micallef # # Created: 07/01/2014 # Copyright: (c) Steve Micallef 2014 # Licence: MIT # ------------------------------------------------------------------------------- from netaddr import IPNetwork from spiderfoot import SpiderFootEvent, SpiderFootPlugin class sfp_uceprotect(SpiderFootPlugin): meta = { 'name': "UCEPROTECT", 'summary': "Check if a netblock or IP address is in the UCEPROTECT database.", 'flags': [], 'useCases': ["Investigate", "Passive"], 'categories': ["Reputation Systems"], 'dataSource': { 'website': "http://www.uceprotect.net/", 'model': "FREE_NOAUTH_UNLIMITED", 'references': [ "http://www.uceprotect.net/en/index.php?m=3&s=3", "http://www.uceprotect.net/en/index.php?m=6&s=0", "http://www.uceprotect.net/en/index.php?m=6&s=11", "http://www.uceprotect.net/en/index.php?m=13&s=0", "http://www.uceprotect.net/en/rblcheck.php" ], 'favIcon': "https://www.uceprotect.net/favicon.ico", 'logo': "https://www.uceprotect.net/en/logo.gif", 'description': "UCEPROTECT is a DNS blacklisting service whose mission is to stop mail abuse globally.", } } opts = { 'netblocklookup': True, 'maxnetblock': 24, 'subnetlookup': True, 'maxsubnet': 24 } optdescs = { 'netblocklookup': "Look up all IPs on netblocks deemed to be owned by your target for possible blacklisted hosts on the same target subdomain/domain?", 'maxnetblock': "If looking up owned netblocks, the maximum netblock size to look up all IPs within (CIDR value, 24 = /24, 16 = /16, etc.)", 'subnetlookup': "Look up all IPs on subnets which your target is a part of for blacklisting?", 'maxsubnet': "If looking up subnets, the maximum subnet size to look up all the IPs within (CIDR value, 24 = /24, 16 = /16, etc.)" } results = None def setup(self, sfc, userOpts=dict()): self.sf = sfc self.results = self.tempStorage() for opt in list(userOpts.keys()): self.opts[opt] = userOpts[opt] def watchedEvents(self): return [ 'IP_ADDRESS', 'AFFILIATE_IPADDR', 'NETBLOCK_OWNER', 'NETBLOCK_MEMBER' ] def producedEvents(self): return [ "BLACKLISTED_IPADDR", "BLACKLISTED_AFFILIATE_IPADDR", "BLACKLISTED_SUBNET", "BLACKLISTED_NETBLOCK", "MALICIOUS_IPADDR", "MALICIOUS_AFFILIATE_IPADDR", "MALICIOUS_NETBLOCK", "MALICIOUS_SUBNET", ] # Swap 1.2.3.4 to 4.3.2.1 def reverseAddr(self, ipaddr): return '.'.join(reversed(ipaddr.split('.'))) def queryDnsblLevel1(self, qaddr): """Query UCEPROTECT DNS Level 1 for an IPv4 address. Args: qaddr (str): IPv4 address. Returns: list: UCEPROTECT DNS entries """ if not self.sf.validIP(qaddr): self.debug(f"Invalid IPv4 address {qaddr}") return None try: lookup = self.reverseAddr(qaddr) + '.dnsbl-1.uceprotect.net' self.debug(f"Checking UCEPROTECT blacklist: {lookup}") return self.sf.resolveHost(lookup) except Exception as e: self.debug(f"UCEPROTECT did not resolve {qaddr} / {lookup}: {e}") return None def queryDnsblLevel2(self, qaddr): """Query UCEPROTECT DNS Level 2 for an IPv4 address. Args: qaddr (str): IPv4 address. Returns: list: UCEPROTECT DNS entries """ if not self.sf.validIP(qaddr): self.debug(f"Invalid IPv4 address {qaddr}") return None try: lookup = self.reverseAddr(qaddr) + '.dnsbl-2.uceprotect.net' self.debug(f"Checking UCEPROTECT blacklist: {lookup}") return self.sf.resolveHost(lookup) except Exception as e: self.debug(f"UCEPROTECT did not resolve {qaddr} / {lookup}: {e}") return None def handleEvent(self, event): eventName = event.eventType eventData = event.data self.debug(f"Received event, {eventName}, from {event.module}") if eventData in self.results: return self.results[eventData] = True if eventName == "AFFILIATE_IPADDR": malicious_type = "MALICIOUS_AFFILIATE_IPADDR" blacklist_type = "BLACKLISTED_AFFILIATE_IPADDR" elif eventName == "IP_ADDRESS": malicious_type = "MALICIOUS_IPADDR" blacklist_type = "BLACKLISTED_IPADDR" elif eventName == 'NETBLOCK_MEMBER': if not self.opts['subnetlookup']: return max_subnet = self.opts['maxsubnet'] if IPNetwork(eventData).prefixlen < max_subnet: self.debug(f"Network size bigger than permitted: {IPNetwork(eventData).prefixlen} > {max_subnet}") return malicious_type = "MALICIOUS_SUBNET" blacklist_type = "BLACKLISTED_SUBNET" elif eventName == 'NETBLOCK_OWNER': if not self.opts['netblocklookup']: return max_netblock = self.opts['maxnetblock'] if IPNetwork(eventData).prefixlen < max_netblock: self.debug(f"Network size bigger than permitted: {IPNetwork(eventData).prefixlen} > {max_netblock}") return malicious_type = "MALICIOUS_NETBLOCK" blacklist_type = "BLACKLISTED_NETBLOCK" else: self.debug(f"Unexpected event type {eventName}, skipping") return addrs = list() if eventName.startswith("NETBLOCK_"): for addr in IPNetwork(eventData): addrs.append(str(addr)) else: addrs.append(eventData) for addr in addrs: if self.checkForStop(): return level1 = self.queryDnsblLevel1(addr) level2 = self.queryDnsblLevel2(addr) self.results[addr] = True if not level1 and not level2: continue self.debug(f"{addr} found in UCEPROTECT DNS") url = f"https://www.uceprotect.net/en/rblcheck.php?ipr={addr}" if level1: description = f"UCEPROTECT - Level 1 (high likelihood) [{addr}]\n{url}" evt = SpiderFootEvent(blacklist_type, description, self.__name__, event) self.notifyListeners(evt) evt = SpiderFootEvent(malicious_type, description, self.__name__, event) self.notifyListeners(evt) if level2: description = f"UCEPROTECT - Level 2 (some false positives) [{addr}]\n{url}" evt = SpiderFootEvent(blacklist_type, description, self.__name__, event) self.notifyListeners(evt) evt = SpiderFootEvent(malicious_type, description, self.__name__, event) self.notifyListeners(evt) # End of sfp_uceprotect class