Ejemplo n.º 1
0
    def is_valid(value, sanitize=False):
        if sanitize:
            value = Base64().sanitize(value)

        try:
            utils.base64_decode(value)
        except TypeError:
            return False

        if not GenericType().is_valid(value):
            return False

        return True
Ejemplo n.º 2
0
    def is_valid(value, sanitize=False):
        if sanitize:
            value = GenericType().sanitize(value)
            value = Base64().sanitize(value)

        try:
            utils.base64_decode(value)
        except TypeError:
            return False

        if not GenericType().is_valid(value):
            return False

        return True
Ejemplo n.º 3
0
    def parse_azure(self, line, report):
        raw = self.recover_line(line)

        event = self.new_event(report)

        for key, value in line.copy().items():
            if key == 'Payload':
                if value == 'AA==':  # NULL
                    del line[key]
                    continue
                try:
                    value = json.loads(utils.base64_decode(value))
                    # continue unpacking in next loop
                except json.decoder.JSONDecodeError:
                    line[key] = utils.base64_decode(value)
            elif key == 'TLP' and value.lower() == 'unknown':
                del line[key]
            if isinstance(value, dict):
                for subkey, subvalue in value.items():
                    line['%s.%s' % (key, subkey)] = subvalue
                del line[key]
        for key, value in line.items():
            if key == 'ThreatConfidence':
                if value == 'None':
                    continue
                value = event.get('feed.accuracy',
                                  100) * CONFIDENCE[value] / 100
            elif key == 'DateTimeReceivedUtc':
                value = DateTime.from_windows_nt(value)
            elif key == 'Payload.ts':
                value = DateTime.from_timestamp(value)
            elif key == 'Payload.Protocol':
                payload_protocol = value[:value.find('/')]
                if payload_protocol:
                    # needs to overwrite a field previously parsed and written
                    event.add('protocol.application',
                              payload_protocol,
                              overwrite=True)  # "HTTP/1.1", save additionally
            elif not value:
                continue
            if AZURE[key] != '__IGNORE__':
                # feed.accuracy is calculated newly and always needs to be overwritten
                event.add(AZURE[key],
                          value,
                          overwrite=self.overwrite
                          or AZURE[key] == "feed.accuracy")
        event.add('classification.type', 'infected-system')
        event.add('raw', raw)
        yield event
Ejemplo n.º 4
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))
        lastgenerated = None

        for row in raw_report.splitlines():
            event = Event(report)

            row = row.strip()
            if len(row) == 0:
                continue
            elif row.startswith("#"):
                if 'Generated on' in row:
                    row = row.strip('# ')[13:]
                    lastgenerated = dateutil.parser.parse(row).isoformat()
                continue

            event.add('time.source', lastgenerated)
            event.add('classification.type', 'c&c')
            event.add('source.fqdn', row)
            event.add("raw", row)
            event.add("malware.name", SOURCE_FEEDS[report.get("feed.url")])

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 5
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    def process(self):
        report = self.receive_message()

        columns = [
            "source.ip",
            "source.geolocation.cc",
            "event_description.text",
            "source.asn"
        ]

        headers = True
        raw_report = utils.base64_decode(report.get("raw"))
        raw_report = raw_report.translate({0: None})
        for row in csv.reader(io.StringIO(raw_report)):
            # ignore headers
            if headers:
                headers = False
                continue

            event = self.new_event(report)

            for key, value in zip(columns, row):
                if key == "__IGNORE__":
                    continue

                event.add(key, value)

            event.add('classification.type', 'scanner')
            event.add("raw", ",".join(row))

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 6
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    def process(self):
        report = self.receive_message()
        raw = base64_decode(report['raw'])
        decoded = json.loads(raw)

        event = self.new_event(report)
        event['raw'] = raw
        if self.minimal_mode:
            for intelmqkey, shodankey in MAPPING_MINIMAL.items():
                try:
                    if decoded[shodankey]:
                        event[intelmqkey] = decoded[shodankey]
                except KeyError:
                    pass
            try:
                event['source.geolocation.cc'] = decoded["location"]["country_code"]
            except KeyError:
                pass
            event['time.source'] = CONVERSIONS['timestamp'](decoded["timestamp"])

            event['extra.shodan'] = decoded
            event['classification.type'] = 'other'
        else:
            event.update(self.apply_mapping(MAPPING, decoded))
            event.add('classification.type', 'other')
            event.add('classification.identifier', 'shodan-scan')
            for protocol in PROTOCOLS:
                if protocol in decoded:
                    event.add('protocol.application', protocol)
        self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 7
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 def parse_json(self, report: dict):
     """
     A basic JSON parser
     """
     raw_report = utils.base64_decode(report.get("raw"))
     for line in json.loads(raw_report):
         yield line
Ejemplo n.º 8
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    def process(self):
        report = self.receive_message()

        if not report or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.value("raw"))
        for row in utils.csv_reader(raw_report):
            event = Event(report)
            self.logger.debug(repr(row))

            event.add("time.source", row[0].replace('_', ' ') + " UTC")
            if row[1] != '-':
                event.add("source.url", self.add_http(row[1]))
            try:
                event.add("source.ip", row[2])
            except InvalidValue:
                event.add("source.url", self.add_http(row[2]))
                event.add('source.ip', urlparse(row[2]).netloc)
            event.add("source.reverse_dns", row[3])
            event.add("event_description.text", row[4])
            # TODO: ignore abuse contact for now
            event.add("source.asn", int(row[6]))

            event.add('classification.type', u'malware')
            event.add("raw", ",".join(row))

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 9
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report["raw"])
        for row in csv.DictReader(io.StringIO(raw_report), dictreader=True):
            event = Event(report)
            extra = {}

            event.add('time.source', row['timestamp']+' UTC')
            event.add('source.ip', row['ip'])
            event.add('protocol.transport', row['protocol'])
            event.add('source.port', row['port'])
            event.add('source.reverse_dns', row['hostname'])
            extra['sysdesc'] = row['sysdesc']
            extra['sysname'] = row['sysname']
            event.add('source.asn', row['asn'])
            event.add('source.geolocation.cc', row['geo'])
            event.add('source.geolocation.region', row['region'])
            event.add('source.geolocation.city', row['city'])
            if int(row['naics']):
                extra['naics'] = int(row['naics'])
            if int(row['sic']):
                extra['sic'] = int(row['sic'])
            if row['sector']:
                extra['sector'] = row['sector']

            event.add('extra', extra)
            event.add('protocol.application', 'snmp')
            event.add('classification.type', 'vulnerable service')
            event.add('classification.identifier', 'snmp')
            event.add('raw', '"'+','.join(map(str, row.items()))+'"')

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 10
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    def process(self):
        report = self.receive_message()

        if not report or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.value("raw"))
        for row in utils.csv_reader(raw_report):
            event = Event(report)
            self.logger.debug(repr(row))

            event.add("time.source", row[0].replace("_", " ") + " UTC", sanitize=True)
            if row[1] != "-":
                event.add("source.url", row[1], sanitize=True)
            try:
                event.add("source.ip", row[2], sanitize=True)
            except InvalidValue:
                event.add("source.url", row[2], sanitize=True)
                event.add("source.ip", urlparse(row[2]).netloc, sanitize=True)
            event.add("source.reverse_dns", row[3], sanitize=True)
            event.add("event_description.text", row[4], sanitize=True)
            # TODO: ignore abuse contact for now
            event.add("source.asn", int(row[6]))

            event.add("classification.type", "malware")
            event.add("raw", ",".join(row), sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 11
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    def parse(self, report: dict):
        feed = report['feed.url']

        raw_lines = utils.base64_decode(report.get("raw")).splitlines()

        self.comments = []
        data_lines = []
        for r in raw_lines:
            if self.__is_comment_line_regex.search(r):
                self.comments.append(r)
            else:
                data_lines.append(self.__sanitize_csv_lines(r))

        self.header_line = data_lines.pop(0)  # remove CSV header line
        fields = [self.__sanitize_csv_lines(f) for f in self.header_line.split(',')]  # First line is the CSV header file
        if len(fields) != len(FEEDS[feed]['format']):
            self.logger.warning("Feed '{}' has not the expected fields: {} != {}".format(feed,
                                                                                         len(fields),
                                                                                         len(FEEDS[feed]['format'])))
            raise ValueError("Abusech ip parser is not up to date with the format online")

        for line in self.comments:
            if 'Last updated' in line:
                self.__last_generated_date = dateutil.parser.parse(self.__date_regex.search(line).group(0)).isoformat()

        for line in data_lines:
            yield line.strip()
Ejemplo n.º 12
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.value("raw"))
        for row in raw_report.split('\n'):

            if row.startswith('#'):
                continue

            event = Event(report)

            match = re.search(REGEX_IP, row)
            if match:
                ip = match.group()

            match = re.search(REGEX_TIMESTAMP, row)
            if match:
                timestamp = match.group(1) + " UTC"

            event.add('time.source', timestamp, sanitize=True)
            event.add('source.ip', ip, sanitize=True)
            event.add('classification.type', u'brute-force')
            event.add("raw", row, sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 13
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.value("raw"))
        for row in raw_report.split('\n'):

            row = row.strip()

            if len(row) == 0 or row.startswith('#'):
                continue

            splitted_row = row.split()
            event = Event(report)

            columns = ["source.ip", "time.source"]

            for key, value in zip(columns, splitted_row):
                if key == "time.source":
                    value = datetime.utcfromtimestamp(
                        int(value)).strftime('%Y-%m-%d %H:%M:%S') + " UTC"

                event.add(key, value.strip(), sanitize=True)

            event.add('classification.type', u'blacklist')
            event.add("raw", row, sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 14
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.get("raw"))

        for row in raw_report.split('\n'):

            if row.startswith("#") or len(row) == 0 or row == "Site":
                if 'updated' in row:
                    time_str = row[row.find(': ') + 2:]
                    time = dateutil.parser.parse(time_str).isoformat()
                continue

            event = Event(report)

            event.add('classification.type', u'malware')
            event.add('source.fqdn', row.strip())
            event.add('time.source', time)
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 15
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    def process(self):
        report = self.receive_message()

        if not report:
            self.acknowledge_message()
            return
        if not report.contains("raw"):
            self.acknowledge_message()

        raw_report = utils.base64_decode(report.value("raw"))

        for row in raw_report.split('\n'):

            row = row.strip()

            if row.startswith("#") or len(row) == 0:
                continue

            event = Event(report)

            event.add('classification.type', u'c&c')
            event.add('source.fqdn', row, sanitize=True)
            event.add("raw", row, sanitize=True)
            event.add("malware.name", SOURCE_FEEDS[report.value("feed.url")], sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 16
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    def process(self):
        report = self.receive_message()

        event = MessageFactory.unserialize(base64_decode(report['raw']))

        self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 17
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 def parse(self, report):
     raw_report = utils.base64_decode(report.get("raw"))
     split = raw_report.split("</tr>")
     self.tempdata = ['</tr>'.join(split[:2])]
     # TODO: save ending line
     for line in split[2:]:
         yield line.strip()
Ejemplo n.º 18
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    def process(self):
        report = self.receive_message()

        if not report:
            self.acknowledge_message()
            return
        if not report.contains("raw"):
            self.acknowledge_message()

        raw_report = utils.base64_decode(report.get("raw"))
        lastgenerated = None

        for row in raw_report.split('\n'):
            event = Event(report)

            row = row.strip()
            if len(row) == 0:
                continue
            elif row.startswith("#"):
                if 'Generated on' in row:
                    row = row.strip('# ')[13:]
                    lastgenerated = dateutil.parser.parse(row).isoformat()
                continue

            event.add('time.source', lastgenerated)
            event.add('classification.type', u'c&c')
            event.add('source.fqdn', row)
            event.add("raw", row)
            event.add("malware.name", SOURCE_FEEDS[report.get("feed.url")])

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 19
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 def process(self):
     report = self.receive_message()
     raw_report = utils.base64_decode(report["raw"])
     report_list = [row.strip() for row in raw_report.splitlines()]
     index = 0
     actual_line = report_list[index]
     while parser.lsData != "IPs":
         index += 1
         actual_line = report_list[index]
         parser.feed(actual_line)
     count = 0
     while actual_line[:8] != "</TBODY>":
         index += 1
         actual_line = report_list[index]
         parser.feed(actual_line)
         if parser.lsTag == "input":
             if count % 2 == 0:
                 url = parser.lsValue
                 url_raw_line = actual_line
             else:
                 ip = parser.lsValue
                 event = self.new_event(report)
                 if harmonization.FQDN.is_valid(url, sanitize=True):
                     event.add("source.fqdn", url)
                 if harmonization.IPAddress.is_valid(ip, sanitize=True):
                     event.add("source.ip", ip)
                 event.add("raw", url_raw_line + actual_line)
                 event.add("classification.type", "phishing")
                 self.send_message(event)
             count += 1
     self.acknowledge_message()
Ejemplo n.º 20
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    def parse(self, report):
        raw_report = utils.base64_decode(report.get("raw"))
        raw_report = raw_report.translate({0: None})
        # ignore lines starting with #. # can have leading spaces/tabs
        raw_report = re.sub(r'(?m)^[ \t]*#.*\n?', '', raw_report)
        # ignore null bytes
        raw_report = re.sub(r'(?m)\0', '', raw_report)
        # ignore lines having mix of spaces and tabs only
        raw_report = re.sub(r'(?m)^[ \t]*\n?', '', raw_report)
        # skip header
        if getattr(self.parameters, 'skip_header', False):
            self.tempdata.append(raw_report[:raw_report.find('\n')])
            raw_report = raw_report[raw_report.find('\n') + 1:]
        for row in csv.reader(io.StringIO(raw_report),
                              delimiter=str(self.parameters.delimiter)):

            if self.filter_text and self.filter_type:
                text_in_row = self.filter_text in self.parameters.delimiter.join(
                    row)
                if text_in_row and self.filter_type == 'whitelist':
                    yield row
                elif not text_in_row and self.filter_type == 'blacklist':
                    yield row
                else:
                    continue
            else:
                yield row
Ejemplo n.º 21
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))
        for row in raw_report.splitlines():

            if not row or row.startswith('#'):
                continue

            event = self.new_event(report)

            match = re.search(REGEX_IP, row)
            ip = None
            if match:
                ip = match.group()

            match = re.search(REGEX_TIMESTAMP, row)
            timestamp = None
            if match:
                timestamp = match.group(1) + " UTC"

            if not timestamp:
                raise ValueError('No timestamp found.')
            elif not ip:
                raise ValueError('No ip found.')

            event.add('time.source', timestamp)
            event.add('source.ip', ip)
            event.add('classification.type', 'brute-force')
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 22
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))
        for row in raw_report.splitlines():

            row = row.strip()

            if len(row) == 0 or row.startswith('#'):
                continue

            splitted_row = row.split()
            event = Event(report)

            columns = ["source.ip", "time.source"]

            for key, value in zip(columns, splitted_row):
                if key == "time.source":
                    value = datetime.utcfromtimestamp(
                        int(value)).strftime('%Y-%m-%d %H:%M:%S') + " UTC"

                event.add(key, value.strip())

            event.add('classification.type', 'blacklist')
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 23
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    def process(self):
        report = self.receive_message()

        if not report.contains("raw"):
            self.acknowledge_message()

        raw_report = utils.base64_decode(report.value("raw"))
        for row in raw_report.split('\n'):
            row = row.strip()

            if len(row) == 0 or row.startswith('other'):
                continue

            event = Event()
                
            time_observation = DateTime().generate_datetime_now()
            event.add('time.observation', time_observation, sanitize=True)
            event.add('feed.name', u'arbor')
            event.add('feed.url', u'http://atlas-public.ec2.arbor.net/public/ssh_attackers')
            event.add('classification.type', u'brute-force')
            event.add("raw", row, sanitize=True)

            columns = ["source.ip"]
            row = row.split()

            for key, value in zip(columns, row):
                event.add(key, value, sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 24
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 def parse_csv(self, report):
     """
     A basic CSV parser.
     """
     raw_report = utils.base64_decode(report.get("raw"))
     for line in csv.reader(io.StringIO(raw_report)):
         yield line
Ejemplo n.º 25
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))

        for row in raw_report.splitlines():
            row = row.strip()

            if len(row) == 0 or row.startswith('#'):
                continue

            row = row.replace('\r', '')
            values = row.split('\t')

            # if special char is in string should not be allowed
            if "#" in values[1]:
                continue

            # if domain name is localhost we are not interested
            if values[1].lower().strip() == "localhost":
                continue

            event = self.new_event(report)

            if IPAddress.is_valid(values[1]):
                event.add("source.ip", values[1])
            else:
                event.add("source.fqdn", values[1])

            event.add('classification.type', 'blacklist')
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 26
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))
        for row in raw_report.splitlines():

            if not row or row.startswith('#'):
                continue

            event = Event(report)

            match = re.search(REGEX_IP, row)
            if match:
                ip = match.group()

            match = re.search(REGEX_TIMESTAMP, row)
            if match:
                timestamp = match.group(1) + " UTC"

            if not timestamp:
                raise ValueError('No timestamp found.')

            event.add('time.source', timestamp)
            event.add('source.ip', ip)
            event.add('classification.type', 'brute-force')
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 27
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw")).strip()

        if not len(raw_report):  # We depend on first line = date
            self.acknowledge_message()
            return

        row = raw_report.splitlines()[0]
        time_str = row[row.find('(') + 1:row.find(')')]
        time = dateutil.parser.parse(time_str).isoformat()

        for row in raw_report.splitlines():
            val = row.strip()
            if not len(val) or val.startswith('#') or val.startswith('//'):
                continue

            event = self.new_event(report)

            if not event.add('source.ip', val, raise_failure=False):
                event.add('source.network', val)

            event.add('time.source', time)
            event.add('classification.type', 'blacklist')
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 28
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 def process(self):
     report = self.receive_message()
     raw_report = utils.base64_decode(report["raw"])
     report_list = [row.strip() for row in raw_report.splitlines()]
     index = 0
     actual_line = report_list[index]
     while parser.lsData != "IPs":
         index += 1
         actual_line = report_list[index]
         parser.feed(actual_line)
     count = 0
     while actual_line[:8] != "</TBODY>":
         index += 1
         actual_line = report_list[index]
         parser.feed(actual_line)
         if parser.lsTag == "input":
             if count % 2 == 0:
                 url = parser.lsValue
                 url_raw_line = actual_line
             else:
                 ip = parser.lsValue
                 event = self.new_event(report)
                 event.add("source.fqdn", url)
                 event.add("source.ip", ip)
                 event.add("raw", url_raw_line + actual_line)
                 event.add("classification.type", "phishing")
                 self.send_message(event)
             count += 1
     self.acknowledge_message()
Ejemplo n.º 29
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    def process(self):
        event = self.receive_message()
        if self.format_filename:
            ev = defaultdict(None)
            ev.update(event)
            # remove once #671 is done
            if 'time.observation' in ev:
                ev['time.observation'] = datetime.datetime.strptime(ev['time.observation'],
                                                                    '%Y-%m-%dT%H:%M:%S+00:00')
            if 'time.source' in ev:
                ev['time.source'] = datetime.datetime.strptime(ev['time.source'],
                                                               '%Y-%m-%dT%H:%M:%S+00:00')
            filename = self.parameters.file.format(event=ev)
            if not self.file or filename != self.file.name:
                self.open_file(filename)

        if self.single_key:
            event_data = str(event.get(self.single_key))
            if self.single_key == 'raw':
                event_data = base64_decode(event_data)
        else:
            event_data = event.to_json(hierarchical=self.parameters.hierarchical_output)

        try:
            self.file.write(event_data)
            self.file.write("\n")
            self.file.flush()
        except FileNotFoundError:
            self.init()
        else:
            self.acknowledge_message()
Ejemplo n.º 30
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 def process(self):
     report = self.receive_message()
     raw_report = utils.base64_decode(report["raw"])
     report_list = [row.strip() for row in raw_report.splitlines()]
     index = 0
     while parser.lsData != "Details":
         index += 1
         parser.feed(report_list[index])
     while report_list[index] != "</table>":
         index += 1
         parser.feed(report_list[index])
         if parser.lsCSP:
             index += 1
             parser.feed(report_list[index])
             event = self.new_event(report)
             raw_url_line = report_list[index]
             event.add("source.url", parser.lsData)
             event.add("classification.type", "blacklist")
             index += 1
             parser.feed(report_list[index])
             event.add("classification.identifier", parser.lsData)
             event.add("classification.taxonomy", "other")
             index += 1
             parser.feed(report_list[index])
             event.add("time.source", parser.lsData)
             event.add("raw", raw_url_line + report_list[index])
             self.send_message(event)
     self.acknowledge_message()
Ejemplo n.º 31
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    def process(self):
        report = self.receive_message()

        if not report:
            self.acknowledge_message()
            return
        if not report.contains("raw"):
            self.acknowledge_message()

        raw_report = utils.base64_decode(report.get("raw"))

        for row in raw_report.split('\n'):

            row = row.strip()
            if row == "" or row.startswith("#"):
                continue

            event = Event(report)

            event.add('source.ip', row)

            event.add('classification.type', u'malware')
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 32
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    def process(self):
        report = self.receive_message()
        raw_report = utils.base64_decode(report.get("raw"))

        for row in csv.DictReader(io.StringIO(raw_report)):
            event = self.new_event(report)

            for key, value in row.items():
                if not value:
                    continue

                if key is None:
                    self.logger.warning('Value without key found, skipping the'
                                        ' value: {!r}'.format(value))
                    continue

                key = COLUMNS[key]

                if key == "__IGNORE__" or key == "__TDB__":
                    continue

                if key == "source.fqdn" and IPAddress.is_valid(value,
                                                               sanitize=True):
                    continue

                if key == "time.source":
                    value = value + " UTC"

                event.add(key, value)

            event.add('classification.type', 'phishing')
            event.add("raw", ",".join(row))

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 33
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))

        raw_report = raw_report.split("<tbody>")[1]
        raw_report = raw_report.split("</tbody>")[0]
        raw_report_splitted = raw_report.split("<tr>")

        for row in raw_report_splitted:
            row = row.strip()

            if row == "":
                continue

            row_splitted = row.split("<td>")
            ip = row_splitted[1].split('">')[1].split("<")[0].strip()
            time_source = row_splitted[6].replace("</td></tr>", "").strip()
            time_source = time_source + " 00:00:00 UTC"

            event = Event(report)

            event.add('time.source', time_source)
            event.add('classification.type', 'malware')
            event.add('source.ip', ip)
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 34
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))
        for row in raw_report.split('<tr>'):

            # Get IP and Type
            info1 = re.search(
                ">[\ ]*(\d+\.\d+\.\d+\.\d+)[\ ]*<.*</td><td>([^<]+)</td>", row)

            if not info1:
                continue

            # Get Timestamp
            info2 = re.search(
                "<td>[\ ]*(\d{4}-\d{2}-\d{2}\ \d{2}:\d{2}:\d{2})[\ ]*</td>",
                row)

            event = self.new_event(report)

            description = info1.group(2)
            description = utils.decode(description)
            event_type = self.get_type(description)
            time_source = info2.group(1) + " UTC-8"

            event.add("time.source", time_source)
            event.add("source.ip", info1.group(1))
            event.add('classification.type', event_type)
            event.add('event_description.text', description)
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 35
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        columns = [
            "__IGNORE__", "source.url", "event_description.url", "time.source",
            "__IGNORE__", "__IGNORE__", "__IGNORE__",
            "event_description.target"
        ]

        raw_report = utils.base64_decode(report.get("raw"))
        for row in csv.reader(io.StringIO(raw_report)):

            # ignore headers
            if "phish_id" in row:
                continue

            event = Event(report)

            for key, value in zip(columns, row):

                if key == "__IGNORE__":
                    continue

                event.add(key, value)

            event.add('classification.type', u'phishing')
            event.add("raw", ",".join(row))

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 36
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    def process(self):
        report = self.receive_message()
        raw = base64_decode(report['raw'])
        decoded = json.loads(raw)

        event = self.new_event(report)
        event['raw'] = raw
        if self.minimal_mode:
            for intelmqkey, shodankey in MAPPING_MINIMAL.items():
                try:
                    if decoded[shodankey]:
                        event[intelmqkey] = decoded[shodankey]
                except KeyError:
                    pass
            try:
                event['source.geolocation.cc'] = decoded["location"][
                    "country_code"]
            except KeyError:
                pass
            event['time.source'] = CONVERSIONS['timestamp'](
                decoded["timestamp"])

            event['extra.shodan'] = decoded
            event['classification.type'] = 'other'
        else:
            event.update(self.apply_mapping(MAPPING, decoded))
            event.add('classification.type', 'other')
            event.add('classification.identifier', 'shodan-scan')
            for protocol in PROTOCOLS:
                if protocol in decoded:
                    event.add('protocol.application', protocol)
        self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 37
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 def parse_json(self, report: dict):
     """
     A basic JSON parser
     """
     raw_report = utils.base64_decode(report.get("raw"))
     for line in json.loads(raw_report):
         yield line
Ejemplo n.º 38
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    def process(self):
        report = self.receive_message()

        columns = self.parameters.columns

        if not report or not report.contains("raw"):
            self.acknowledge_message()
            return

        if report:
            raw_report = utils.base64_decode(report.get("raw"))

            rows = csv.DictReader(StringIO(raw_report))

            for row in rows:
                event = Event(report)

                for key, value in row.items():

                    key = columns[key]

                    if not value:
                        continue

                    value = value.strip()

                    if key == u'__IGNORE__' or key == u'__TBD__':
                        continue

                    event.add(key, value, sanitize=True)

                event.add('classification.type', u'vulnerable service')

                self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 39
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    def process(self):
        report = self.receive_message()

        if not report:
            self.acknowledge_message()
            return
        if not report.contains("raw"):
            self.acknowledge_message()

        raw_report = utils.base64_decode(report.get("raw"))

        for row in raw_report.split('\n'):

            row = row.strip()
            if row == "" or row.startswith("#"):
                continue

            event = Event(report)

            event.add('source.ip', row)

            event.add('classification.type', u'malware')
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 40
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report["raw"])
        for row in csv.DictReader(io.StringIO(raw_report), dictreader=True):
            event = Event(report)
            extra = {}

            event.add("time.source", row["timestamp"] + " UTC")
            event.add("source.ip", row["ip"])
            event.add("protocol.transport", row["protocol"])
            event.add("source.port", row["port"])
            event.add("source.reverse_dns", row["hostname"])
            event.add("protocol.application", row["tag"])
            extra["quote"] = row["quote"]
            event.add("source.asn", row["asn"])
            event.add("source.geolocation.cc", row["geo"])
            event.add("source.geolocation.region", row["region"])
            event.add("source.geolocation.city", row["city"])
            if int(row["naics"]):
                extra["naics"] = int(row["naics"])
            if int(row["sic"]):
                extra["sic"] = int(row["sic"])
            if row["sector"]:
                extra["sector"] = row["sector"]

            event.add("extra", extra)
            event.add("classification.type", "vulnerable service")
            event.add("classification.identifier", "qotd")
            event.add("raw", '"' + ",".join(map(str, row.items())) + '"')

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 41
0
    def process(self):
        report = self.receive_message()

        if not report:
            self.acknowledge_message()
            return
        if not report.contains("raw"):
            self.acknowledge_message()

        raw_report = utils.base64_decode(report.value("raw"))

        for row in raw_report.split('\n'):

            row = row.strip()
            if row == "" or row.startswith("#"):
                continue

            event = Event(report)

            if IPAddress.is_valid(row, sanitize=True):
                event.add('source.ip', row, sanitize=True)
            else:
                event.add('source.fqdn', row, sanitize=True)

            event.add('classification.type', u'malware')
            event.add('raw', row, sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 42
0
    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.value("raw"))

        for row in raw_report.split('\n'):

            row = row.rstrip()

            if row.startswith("#") or len(row) == 0:
                continue

            values = row.split('\t')[1:]

            event = Event(report)

            event.add('source.fqdn', values[1], sanitize=True)
            event.add('event_description.text', values[2], sanitize=True)

            for i in range(4, len(values)):
                if is_valid_date(values[i]):
                    event.add('time.source',  # TODO: verify timezone
                              values[i] + "T00:00:00+00:00", sanitize=True)
                    break

            event.add('classification.type', u'malware')
            event.add('raw', row, sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 43
0
 def process(self):
     report = self.receive_message()
     raw_report = utils.base64_decode(report["raw"])
     report_list = [row.strip() for row in raw_report.splitlines()]
     index = 0
     actual_line = report_list[index]
     while actual_line != "Recent domains":
         index += 1
         actual_line = report_list[index]
     parser.set_empty_data
     while actual_line != "Recent hosts":
         index += 1
         actual_line = report_list[index]
         count1 = len(parser.lsData)
         parser.feed(actual_line)
         count2 = len(parser.lsData)
         if count1 != count2:
             parser.raw_lines.append(actual_line)
     parser.process_data
     for item in range(len(parser.lsData)):
         event = self.new_event(report)
         event.add("source.fqdn", parser.lsData[item])
         event.add("classification.type", "blacklist")
         event.add("raw", parser.raw_lines[item])
         self.send_message(event)
     self.acknowledge_message()
Ejemplo n.º 44
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.get("raw"))
        raw_report = raw_report.strip()

        url = report.get('feed.url')
        path = urlparse(url).path
        filename = posixpath.basename(path)

        for row in raw_report.split('\n'):
            event = Event(report)

            event.add('source.ip', row.strip())
            if filename in MAPPING:
                for key, value in MAPPING[filename].items():
                    event.add(key, value)
            else:
                event.add('classification.type', 'blacklist')

            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 45
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 def process(self):
     report = self.receive_message()
     raw_report = utils.base64_decode(report["raw"])
     report_list = [row.strip() for row in raw_report.splitlines()]
     index = 0
     actual_line = report_list[index]
     while actual_line != "Recent domains":
         index += 1
         actual_line = report_list[index]
     parser.set_empty_data
     while actual_line != "Recent hosts":
         index += 1
         actual_line = report_list[index]
         count1 = len(parser.lsData)
         parser.feed(actual_line)
         count2 = len(parser.lsData)
         if count1 != count2:
             parser.raw_lines.append(actual_line)
     parser.process_data
     for item in range(len(parser.lsData)):
         event = self.new_event(report)
         event.add("source.fqdn", parser.lsData[item])
         event.add("classification.type", "blacklist")
         event.add("raw", parser.raw_lines[item])
         self.send_message(event)
     self.acknowledge_message()
Ejemplo n.º 46
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    def process(self):
        report = self.receive_message()
        self.event_date = None

        raw_report = utils.base64_decode(report.get("raw"))

        for row in raw_report.splitlines():

            row = row.strip()

            if row.startswith('; Last-Modified:'):
                self.event_date = row.split('; Last-Modified: ')[1].strip()
                self.event_date = dateparser(self.event_date)

            if row == "" or row.startswith(';'):
                continue

            row_splitted = row.split(';')
            network = row_splitted[0].strip()

            event = Event(report)

            event.add('source.network', network)
            event.add('extra', {'blocklist': row_splitted[1].strip()})
            if self.event_date:
                event.add('time.source', self.event_date.isoformat())

            event.add('classification.type', 'spam')
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 47
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw")).strip()

        if not len(raw_report):  # We depend on first line = date
            self.acknowledge_message()
            return

        row = raw_report.splitlines()[0]
        time_str = row[row.find('(') + 1:row.find(')')]
        time = dateutil.parser.parse(time_str).isoformat()

        for row in raw_report.splitlines():
            val = row.strip()
            if not len(val) or val.startswith('#') or val.startswith('//'):
                continue

            event = self.new_event(report)

            if not event.add('source.ip', val, raise_failure=False):
                event.add('source.network', val)

            event.add('time.source', time)
            event.add('classification.type', 'blacklist')
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 48
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.get("raw"))
        raw_report = raw_report.strip()

        url = report.get('feed.url')
        path = urlparse(url).path
        filename = posixpath.basename(path)

        for row in raw_report.split('\n'):
            event = Event(report)

            event.add('source.ip', row.strip())
            if filename in MAPPING:
                for key, value in MAPPING[filename].items():
                    event.add(key, value)
            else:
                event.add('classification.type', 'blacklist')

            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 49
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    def process(self):
        report = self.receive_message()
        raw_report = utils.base64_decode(report.get('raw'))
        misp_event = json.loads(raw_report)

        # Set the classifier based on the ecsirt tag
        classifier = None
        if misp_event.get('Tag'):
            for tag in misp_event['Tag']:
                if tag['name'] in self.MISP_TAXONOMY_MAPPING:
                    classifier = self.MISP_TAXONOMY_MAPPING[tag['name']]
                    break

        # get the attributes from the event
        event_attributes = misp_event['Attribute']

        # payload type - get malware variant for the event
        malware_variant = None
        for attribute in event_attributes:
            if attribute['category'] == 'Payload type':
                value = attribute['value'].lower()
                # TODO: use misp galaxies
                if value and harmonization.LowercaseString.is_valid(value):
                    malware_variant = value

        # MISP event URL
        url_path = 'event/view/{}'.format(misp_event['id'])
        misp_event_url = urljoin(report['feed.url'], url_path)

        # Process MISP event attributes as separate IntelMQ events
        for attribute in event_attributes:

            # get details of attribute
            value = attribute['value']
            uuid = attribute['uuid']
            comment = attribute['comment']
            timestamp = attribute['timestamp']
            category = attribute['category']
            type_ = attribute['type']

            # create intelmq events based on the category
            if (category in self.SUPPORTED_MISP_CATEGORIES and
                    type_ in self.MISP_TYPE_MAPPING):

                # Create and send the intelmq event
                event = Event(report)
                event.add('raw', json.dumps(attribute, sort_keys=True))
                event.add(self.MISP_TYPE_MAPPING[type_], value)
                event.add('misp.event_uuid', misp_event['uuid'])
                event.add('misp.attribute_uuid', uuid)
                event.add('comment', comment)
                event.add('event_description.text', category)
                event.add('event_description.url', misp_event_url)
                event.add('malware.name', malware_variant)
                event.add('classification.type', classifier)
                event.add('time.source', '{} UTC'.format(
                          datetime.utcfromtimestamp(float(timestamp))))
                self.send_message(event)

        self.acknowledge_message()
Ejemplo n.º 50
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))
        for row in raw_report.splitlines():

            row = row.strip()

            if len(row) == 0 or row.startswith('#'):
                continue

            splitted_row = row.split()
            event = self.new_event(report)

            columns = ["source.ip", "time.source"]

            for key, value in zip(columns, splitted_row):
                if key == "time.source":
                    value = datetime.utcfromtimestamp(
                        int(value)).strftime('%Y-%m-%d %H:%M:%S') + " UTC"

                event.add(key, value.strip())

            event.add('classification.type', 'blacklist')
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 51
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.get("raw")).strip()

        row = raw_report.splitlines()[0]
        time_str = row[row.find('(') + 1:row.find(')')]
        time = dateutil.parser.parse(time_str).isoformat()

        for row in raw_report.split('\n'):
            val = row.strip()
            if not len(val) or val.startswith('#') or val.startswith('//'):
                continue

            event = Event(report)

            if IPAddress.is_valid(val):
                event.add('source.ip', val)
            else:
                event.add('source.network', val)

            event.add('time.source', time)
            event.add('classification.type', u'blacklist')
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 52
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.value("raw"))

        for row in raw_report.split('\n'):
            row = row.strip()

            if len(row) == 0 or row.startswith('#'):
                continue

            event = Event(report)
            splitted_row = row.split()

            columns = ["source.url"]
            for key, value in zip(columns, splitted_row):
                event.add(key, value, sanitize=True)

            event.add('classification.type', u'malware')
            event.add("raw", row, sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 53
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    def process(self):
        report = self.receive_message()

        if not report:
            self.acknowledge_message()
            return
        if not report.contains("raw"):
            self.acknowledge_message()

        raw_report = utils.base64_decode(report.value("raw"))

        for row in raw_report.split("\n"):

            row = row.strip()
            if row == "" or row.startswith("#"):
                continue

            event = Event(report)

            event.add("source.ip", row, sanitize=True)

            event.add("classification.type", "malware")
            event.add("raw", row, sanitize=True)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 54
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    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        columns = [
            "source.ip", "__IGNORE__", "event_description.text", "__IGNORE__"
        ]

        headers = True
        raw_report = utils.base64_decode(report.get("raw"))
        for row in utils.csv_reader(raw_report):
            # ignore headers
            if headers:
                headers = False
                continue

            event = Event(report)

            for key, value in zip(columns, row):
                if key == "__IGNORE__":
                    continue

                event.add(key, value)

            event.add('classification.type', u'scanner')
            event.add("raw", ",".join(row))

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 55
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 def parse_csv(self, report):
     """
     A basic CSV parser.
     """
     raw_report = utils.base64_decode(report.get("raw"))
     for line in csv.reader(io.StringIO(raw_report)):
         yield line
Ejemplo n.º 56
0
    def process(self):
        report = self.receive_message()

        if report is None or not report.contains("raw"):
            self.acknowledge_message()
            return

        raw_report = utils.base64_decode(report.get("raw"))

        for row in raw_report.split('\n'):

            if row.startswith("#") or len(row) == 0 or row == "Site":
                if 'updated' in row:
                    time_str = row[row.find(': ') + 2:]
                    time = dateutil.parser.parse(time_str).isoformat()
                continue

            event = Event(report)

            event.add('classification.type', u'malware')
            event.add('source.fqdn', row.strip())
            event.add('time.source', time)
            event.add("raw", row)

            self.send_message(event)
        self.acknowledge_message()
Ejemplo n.º 57
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    def process(self):
        report = self.receive_message()

        raw_report = utils.base64_decode(report.get("raw"))

        raw_report = raw_report.split("<tbody>")[1]
        raw_report = raw_report.split("</tbody>")[0]
        raw_report_splitted = raw_report.split("<tr>")

        for row in raw_report_splitted:
            row = row.strip()

            if row == "":
                continue

            row_splitted = row.split("<td>")
            ip = row_splitted[1].split('">')[1].split("<")[0].strip()
            time_source = row_splitted[6].replace("</td></tr>", "").strip()
            time_source = time_source + " 00:00:00 UTC"

            event = Event(report)

            event.add('time.source', time_source)
            event.add('classification.type', 'malware')
            event.add('source.ip', ip)
            event.add('raw', row)

            self.send_message(event)
        self.acknowledge_message()