diff --git a/bin/dcu-fetch-ng.py b/bin/dcu-fetch-ng.py new file mode 100644 index 0000000..0454704 --- /dev/null +++ b/bin/dcu-fetch-ng.py @@ -0,0 +1,94 @@ +# -*- coding: utf-8 -*- +# +# dcu-fetch-ng.py is a Python script to fetch blobs published by DCU +# +# Standard python libraries (3.4 and up) + Azure Python SDK +# +# Copyright (C) 2013-2018 Alexandre Dulaunoy - alexandre.dulaunoy@circl.lu +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# + +import gzip + +#import StringIO +from io import StringIO, BytesIO +import azure +import azure.storage +from azure.storage.blob import BlockBlobService +#from azure.storage import BlobService +from optparse import OptionParser +import sys +import json +import re + +debug = False +header = True +output_format = "txt" + +#headers = ["SourcedFrom","FileTimeUtc", "Botnet", "SourceIp", "SourcePort", "SourceIpAsnNr", "TargetIp", "TargetPort", "Payload", "SourceIpCountryCode", "SourceIpRegion", "SourceIpCity", "SourceIpPostalCode", "SourceIpLatitude", "SourceIpLongitude", "SourceIpMetroCode", "SourceIpAreaCode", "HttpRequest", "HttpReferrer", "HttpUserAgent", "HttpMethod", "HttpVersion", "HttpHost", "Custom Field 1", "Custom Field 2", "Custom Field 3", "Custom Field 4", "Custom Field 5"] + +usage = "usage: %prog [options] dcu feed blob fetcher" +parser = OptionParser(usage) +parser.add_option("-d","--debug", dest="debug", action='store_true', help="output debug message on stderr") +parser.add_option("-a","--account_name", dest="account_name", help="Microsoft Azure account name") +parser.add_option("-k","--account_key", dest="account_key", help="Microsoft Azure key to access DCU container") +parser.add_option("-c","--clear", dest="clear", action='store_true', help="Delete blobs and containers after fetching") +#parser.add_option("-e","--header", dest="header", action='store_true', help="Remove field header in the output (default is displayed)") +parser.add_option("-f","--format", dest="output_format", help="output txt, json (default is txt)") +parser.add_option("-t","--date", dest="date", help="date in format YYYY-MM-DD to limit the query (default is all)") + +(options, args) = parser.parse_args() + +if options.debug: + debug=True + +if options.output_format: + output_format = options.output_format + +if options.account_name: + account_name=options.account_name +else: + sys.stderr.write("Azure account name is missing") + sys.exit(1) + +if options.account_key: + account_key=options.account_key +else: + sys.stderr.write("Azure key is missing") + sys.exit(1) + + +blob_service=azure.storage.blob.baseblobservice.BaseBlobService(account_name=account_name, account_key=account_key) + + +for container in blob_service.list_containers(): + c = container.name + if c == "heartbeat": continue + #if options.date and not ( re.match(options.date, c) ): continue + if debug: sys.stderr.write("Processing container: {}\n".format(str(c))) + for b in blob_service.list_blobs(c): + if debug: sys.stderr.write("Processing blob: {}\n".format(str(b.name))) + if options.date and not (re.match(options.date, b.name)): continue + data = blob_service.get_blob_to_bytes(c, b.name) + cs = BytesIO(data.content) + gzipstream = gzip.GzipFile(fileobj=cs) + if output_format == "txt": + print (gzipstream.read().strip().decode('utf-8')) + if options.clear: + if debug: sys.stderr.write("Deleting blob: {}\n".format(str(b.name))) + blob_service.delete_blob(c, b.name) + if options.clear: + if debug: sys.stderr.write("Deleting container: {}\n".format(str(c))) + blob_service.delete_container(c)