From cf4d675e9334d1ff926d50153d5db1676fb4fd18 Mon Sep 17 00:00:00 2001 From: Alexandre Dulaunoy Date: Sat, 2 Feb 2019 17:36:56 +0100 Subject: [PATCH] new: [pdns-server] A Passive DNS COF compliant passive DNS server for the analyzer-d4-passivedns --- bin/pdns-cof-server.py | 172 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 bin/pdns-cof-server.py diff --git a/bin/pdns-cof-server.py b/bin/pdns-cof-server.py new file mode 100644 index 0000000..7352234 --- /dev/null +++ b/bin/pdns-cof-server.py @@ -0,0 +1,172 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- +# +# A Passive DNS COF compliant passive DNS server for the analyzer-d4-passivedns +# +# The output format is compliant with Passive DNS - Common Output Format +# +# https://tools.ietf.org/html/draft-dulaunoy-dnsop-passive-dns-cof +# +# The software is licensed under the GNU Affero General Public License version 3 +# +# Copyright (c) 2013-2019 Alexandre Dulaunoy - a@foo.be + +from datetime import date +import tornado.escape +import tornado.ioloop +import tornado.web + +import iptools +import redis +import json + +rrset = [{"Reference": "[RFC1035]", "Type": "A", "Value": "1", "Meaning": "a host address", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "NS", "Value": "2", "Meaning": "an authoritative name server", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MD", "Value": "3", "Meaning": "a mail destination (OBSOLETE - use MX)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MF", "Value": "4", "Meaning": "a mail forwarder (OBSOLETE - use MX)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "CNAME", "Value": "5", "Meaning": "the canonical name for an alias", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "SOA", "Value": "6", "Meaning": "marks the start of a zone of authority", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MB", "Value": "7", "Meaning": "a mailbox domain name (EXPERIMENTAL)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MG", "Value": "8", "Meaning": "a mail group member (EXPERIMENTAL)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MR", "Value": "9", "Meaning": "a mail rename domain name (EXPERIMENTAL)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "NULL", "Value": "10", "Meaning": "a null RR (EXPERIMENTAL)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "WKS", "Value": "11", "Meaning": "a well known service description", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "PTR", "Value": "12", "Meaning": "a domain name pointer", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "HINFO", "Value": "13", "Meaning": "host information", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MINFO", "Value": "14", "Meaning": "mailbox or mail list information", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MX", "Value": "15", "Meaning": "mail exchange", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "TXT", "Value": "16", "Meaning": "text strings", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1183]", "Type": "RP", "Value": "17", "Meaning": "for Responsible Person", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1183][RFC5864]", "Type": "AFSDB", "Value": "18", "Meaning": "for AFS Data Base location", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1183]", "Type": "X25", "Value": "19", "Meaning": "for X.25 PSDN address", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1183]", "Type": "ISDN", "Value": "20", "Meaning": "for ISDN address", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1183]", "Type": "RT", "Value": "21", "Meaning": "for Route Through", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1706]", "Type": "NSAP", "Value": "22", "Meaning": "for NSAP address, NSAP style A record", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1348][RFC1637][RFC1706]", "Type": "NSAP-PTR", "Value": "23", "Meaning": "for domain name pointer, NSAP style", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4034][RFC3755][RFC2535][RFC2536][RFC2537][RFC2931][RFC3110][RFC3008]", "Type": "SIG", "Value": "24", "Meaning": "for security signature", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4034][RFC3755][RFC2535][RFC2536][RFC2537][RFC2539][RFC3008][RFC3110]", "Type": "KEY", "Value": "25", "Meaning": "for security key", "Template": "", "Registration Date": ""}, {"Reference": "[RFC2163]", "Type": "PX", "Value": "26", "Meaning": "X.400 mail mapping information", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1712]", "Type": "GPOS", "Value": "27", "Meaning": "Geographical Position", "Template": "", "Registration Date": ""}, {"Reference": "[RFC3596]", "Type": "AAAA", "Value": "28", "Meaning": "IP6 Address", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1876]", "Type": "LOC", "Value": "29", "Meaning": "Location Information", "Template": "", "Registration Date": ""}, {"Reference": "[RFC3755][RFC2535]", "Type": "NXT", "Value": "30", "Meaning": "Next Domain (OBSOLETE)", "Template": "", "Registration Date": ""}, {"Reference": "[Michael_Patton][http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt]", "Type": "EID", "Value": "31", "Meaning": "Endpoint Identifier", "Template": "", "Registration Date": "1995-06"}, {"Reference": "[1][Michael_Patton][http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt]", "Type": "NIMLOC", "Value": "32", "Meaning": "Nimrod Locator", "Template": "", "Registration Date": "1995-06"}, {"Reference": "[1][RFC2782]", "Type": "SRV", "Value": "33", "Meaning": "Server Selection", "Template": "", "Registration Date": ""}, {"Reference": "[\n ATM Forum Technical Committee, \"ATM Name System, V2.0\", Doc ID: AF-DANS-0152.000, July 2000. Available from and held in escrow by IANA.]", "Type": "ATMA", "Value": "34", "Meaning": "ATM Address", "Template": "", "Registration Date": ""}, {"Reference": "[RFC2915][RFC2168][RFC3403]", "Type": "NAPTR", "Value": "35", "Meaning": "Naming Authority Pointer", "Template": "", "Registration Date": ""}, {"Reference": "[RFC2230]", "Type": "KX", "Value": "36", "Meaning": "Key Exchanger", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4398]", "Type": "CERT", "Value": "37", "Meaning": "CERT", "Template": "", "Registration Date": ""}, {"Reference": "[RFC3226][RFC2874][RFC6563]", "Type": "A6", "Value": "38", "Meaning": "A6 (OBSOLETE - use AAAA)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC6672]", "Type": "DNAME", "Value": "39", "Meaning": "DNAME", "Template": "", "Registration Date": ""}, {"Reference": "[Donald_E_Eastlake][http://tools.ietf.org/html/draft-eastlake-kitchen-sink]", "Type": "SINK", "Value": "40", "Meaning": "SINK", "Template": "", "Registration Date": "1997-11"}, {"Reference": "[RFC6891][RFC3225]", "Type": "OPT", "Value": "41", "Meaning": "OPT", "Template": "", "Registration Date": ""}, {"Reference": "[RFC3123]", "Type": "APL", "Value": "42", "Meaning": "APL", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4034][RFC3658]", "Type": "DS", "Value": "43", "Meaning": "Delegation Signer", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4255]", "Type": "SSHFP", "Value": "44", "Meaning": "SSH Key Fingerprint", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4025]", "Type": "IPSECKEY", "Value": "45", "Meaning": "IPSECKEY", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4034][RFC3755]", "Type": "RRSIG", "Value": "46", "Meaning": "RRSIG", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4034][RFC3755]", "Type": "NSEC", "Value": "47", "Meaning": "NSEC", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4034][RFC3755]", "Type": "DNSKEY", "Value": "48", "Meaning": "DNSKEY", "Template": "", "Registration Date": ""}, {"Reference": "[RFC4701]", "Type": "DHCID", "Value": "49", "Meaning": "DHCID", "Template": "", "Registration Date": ""}, {"Reference": "[RFC5155]", "Type": "NSEC3", "Value": "50", "Meaning": "NSEC3", "Template": "", "Registration Date": ""}, {"Reference": "[RFC5155]", "Type": "NSEC3PARAM", "Value": "51", "Meaning": "NSEC3PARAM", "Template": "", "Registration Date": ""}, {"Reference": "[RFC6698]", "Type": "TLSA", "Value": "52", "Meaning": "TLSA", "Template": "", "Registration Date": ""}, {"Reference": "[RFC5205]", "Type": "HIP", "Value": "55", "Meaning": "Host Identity Protocol", "Template": "", "Registration Date": ""}, {"Reference": "[Jim_Reid]", "Type": "NINFO", "Value": "56", "Meaning": "NINFO", "Template": "NINFO/ninfo-completed-template", "Registration Date": "2008-01-21"}, {"Reference": "[Jim_Reid]", "Type": "RKEY", "Value": "57", "Meaning": "RKEY", "Template": "RKEY/rkey-completed-template", "Registration Date": "2008-01-21"}, {"Reference": "[Wouter_Wijngaards]", "Type": "TALINK", "Value": "58", "Meaning": "Trust Anchor LINK", "Template": "TALINK/talink-completed-template", "Registration Date": "2010-02-17"}, {"Reference": "[George_Barwood]", "Type": "CDS", "Value": "59", "Meaning": "Child DS", "Template": "CDS/cds-completed-template", "Registration Date": "2011-06-06"}, {"Reference": "[RFC4408]", "Type": "SPF", "Value": "99", "Meaning": "", "Template": "", "Registration Date": ""}, {"Reference": "[IANA-Reserved]", "Type": "UINFO", "Value": "100", "Meaning": "", "Template": "", "Registration Date": ""}, {"Reference": "[IANA-Reserved]", "Type": "UID", "Value": "101", "Meaning": "", "Template": "", "Registration Date": ""}, {"Reference": "[IANA-Reserved]", "Type": "GID", "Value": "102", "Meaning": "", "Template": "", "Registration Date": ""}, {"Reference": "[IANA-Reserved]", "Type": "UNSPEC", "Value": "103", "Meaning": "", "Template": "", "Registration Date": ""}, {"Reference": "[RFC6742]", "Type": "NID", "Value": "104", "Meaning": "", "Template": "ILNP/nid-completed-template", "Registration Date": ""}, {"Reference": "[RFC6742]", "Type": "L32", "Value": "105", "Meaning": "", "Template": "ILNP/l32-completed-template", "Registration Date": ""}, {"Reference": "[RFC6742]", "Type": "L64", "Value": "106", "Meaning": "", "Template": "ILNP/l64-completed-template", "Registration Date": ""}, {"Reference": "[RFC6742]", "Type": "LP", "Value": "107", "Meaning": "", "Template": "ILNP/lp-completed-template", "Registration Date": ""}, {"Reference": "[RFC7043]", "Type": "EUI48", "Value": "108", "Meaning": "an EUI-48 address", "Template": "EUI48/eui48-completed-template", "Registration Date": "2013-03-27"}, {"Reference": "[RFC7043]", "Type": "EUI64", "Value": "109", "Meaning": "an EUI-64 address", "Template": "EUI64/eui64-completed-template", "Registration Date": "2013-03-27"}, {"Reference": "[RFC2930]", "Type": "TKEY", "Value": "249", "Meaning": "Transaction Key", "Template": "", "Registration Date": ""}, {"Reference": "[RFC2845]", "Type": "TSIG", "Value": "250", "Meaning": "Transaction Signature", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1995]", "Type": "IXFR", "Value": "251", "Meaning": "incremental transfer", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035][RFC5936]", "Type": "AXFR", "Value": "252", "Meaning": "transfer of an entire zone", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MAILB", "Value": "253", "Meaning": "mailbox-related RRs (MB, MG or MR)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035]", "Type": "MAILA", "Value": "254", "Meaning": "mail agent RRs (OBSOLETE - see MX)", "Template": "", "Registration Date": ""}, {"Reference": "[RFC1035][RFC6895]", "Type": "*", "Value": "255", "Meaning": "A request for all records the server/cache has available", "Template": "", "Registration Date": ""}, {"Reference": "[Patrik_Faltstrom]", "Type": "URI", "Value": "256", "Meaning": "URI", "Template": "URI/uri-completed-template", "Registration Date": "2011-02-22"}, {"Reference": "[RFC6844]", "Type": "CAA", "Value": "257", "Meaning": "Certification Authority Restriction", "Template": "CAA/caa-completed-template", "Registration Date": "2011-04-07"}, {"Reference": "[Sam_Weiler][http://cameo.library.cmu.edu/][\n Deploying DNSSEC Without a Signed Root. Technical Report 1999-19,\nInformation Networking Institute, Carnegie Mellon University, April 2004.]", "Type": "TA", "Value": "32768", "Meaning": "DNSSEC Trust Authorities", "Template": "", "Registration Date": "2005-12-13"}, {"Reference": "[RFC4431]", "Type": "DLV", "Value": "32769", "Meaning": "DNSSEC Lookaside Validation", "Template": "", "Registration Date": ""}, {"Reference": "", "Type": "Reserved", "Value": "65535", "Meaning": "", "Template": "", "Registration Date": ""}] + +r=redis.StrictRedis(host='localhost', port=6400, db=0) + +rrset_supported = ['1','2','5','15','28','33'] + +origin = "origin not configured" + +def getFirstSeen(t1 = None, t2 = None): + if t1 is None or t2 is None: + return False + rec = "s:"+t1.lower()+":"+t2.lower() + for rr in rrset: + if (rr['Value']) is not None and rr['Value'] in rrset_supported: + qrec = rec+":{}".format(rr['Value']) + recget = r.get(qrec) + if recget is not None: + return int(recget.decode(encoding='UTF-8')) + +def getLastSeen(t1 = None, t2 = None): + if t1 is None or t2 is None: + return False + rec = "l:"+t1.lower()+":"+t2.lower() + for rr in rrset: + if (rr['Value']) is not None and rr['Value'] in rrset_supported: + qrec = rec+":{}".format(rr['Value']) + recget = r.get(qrec) + if recget is not None: + return int(recget.decode(encoding='UTF-8')) + +def getCount(t1 = None, t2 = None): + if t1 is None or t2 is None: + return False + rec = "o:"+t1.lower()+":"+t2.lower() + for rr in rrset: + if (rr['Value']) is not None and rr['Value'] in rrset_supported: + qrec = rec+":{}".format(rr['Value']) + recget = r.get(qrec) + if recget is not None: + return int(recget.decode(encoding='UTF-8')) + +def getRecord(t = None): + if t is None: + return False + rrfound = [] + for rr in rrset: + if (rr['Value']) is not None and rr['Value'] in rrset_supported: + rec = "r:"+t+":"+rr['Value'] + setsize = r.scard(rec) + if setsize < 200: + rs = r.smembers(rec) + else: + #rs = r.srandmember(rec, number=300) + rs = False + + if rs: + for v in rs: + rrval = {} + rdata = v.decode(encoding='UTF-8').strip() + rrval['time_first'] = getFirstSeen(t1=t, t2=rdata) + rrval['time_last'] = getLastSeen(t1=t, t2=rdata) + if rrval['time_first'] is None: + break + rrval['count'] = getCount(t1=t, t2=rdata) + rrval['rrtype'] = rr['Type'] + rrval['rrname'] = t + rrval['rdata'] = rdata + if origin: + rrval['origin'] = origin + rrfound.append(rrval) + return rrfound + +def getAssociatedRecords(rdata = None): + if rdata is None: + return False + rec = "v:"+rdata.lower() + records = [] + for rr in rrset: + if (rr['Value']) is not None and rr['Value'] in rrset_supported: + qrec = rec+":{}".format(rr['Value']) + print (qrec) + if r.smembers(qrec): + for v in r.smembers(qrec): + records.append(v.decode(encoding='UTF-8')) + return records + +def RemDuplicate(d = None): + if d is None: + return False + outd = [dict(t) for t in set([tuple(o.items()) for o in d])] + return outd + + +def JsonQOF(rrfound = None, RemoveDuplicate=True): + if rrfound is None: + return False + rrqof = "" + + if RemoveDuplicate: + rrfound=RemDuplicate(d=rrfound) + + for rr in rrfound: + rrqof = rrqof + json.dumps(rr) + "\n" + return rrqof + +class InfoHandler(tornado.web.RequestHandler): + def get(self): + response = { 'version': 'git', + 'software': 'analyzer-d4-passivedns' } + self.write(response) + +class QueryHandler(tornado.web.RequestHandler): + def get(self, q): + print ("query: "+q) + if iptools.ipv4.validate_ip(q) or iptools.ipv6.validate_ip(q): + for x in getAssociatedRecords(q): + self.write(JsonQOF(getRecord(x))) + else: + self.write(JsonQOF(getRecord(t = q.strip()))) + +class FullQueryHandler(tornado.web.RequestHandler): + def get(self, q): + print ("fquery: "+q) + if iptools.ipv4.validate_ip(q) or iptools.ipv6.validate_ip(q): + for x in getAssociatedRecords(q): + self.write(JsonQOF(getRecord(x))) + else: + for x in getAssociatedRecords(q): + self.write(JsonQOF(getRecord(t = x.strip()))) + +application = tornado.web.Application([ + (r"/query/(.*)",QueryHandler), + (r"/fquery/(.*)",FullQueryHandler), + (r"/info", InfoHandler) +]) + +if __name__ == "test": + + qq = ["foo.be", "8.8.8.8"] + + for q in qq: + if iptools.ipv4.validate_ip(q) or iptools.ipv6.validate_ip(q): + for x in getAssociatedRecords(q): + print (JsonQOF(getRecord(x))) + else: + print (JsonQOF(getRecord(t = q))) +else: + application.listen(8400) + tornado.ioloop.IOLoop.instance().start() +