예제 #1
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 def test1log_atom_not_in_path_list(self):
     """This unittest checks if no action happens, when no path in the match_dictionary matches a target_path."""
     parser_count = ParserCount(self.aminer_config, ['fixed/seq', 'fixed/seq/m1', 'fixed/seq/m2'], [self.stream_printer_event_handler])
     t = time.time()
     log_atom = LogAtom(self.fixed_dme_m3.fixed_data, ParserMatch(self.match_element_m3), t, parser_count)
     old_count_dict = dict(parser_count.count_dict)
     parser_count.receive_atom(log_atom)
     self.assertEqual(parser_count.count_dict, old_count_dict)
예제 #2
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 def test6receive_atom_without_target_paths(self):
     """This unittest tests the receive_atom method with multiple paths matching without having target_paths specified."""
     parser_count = ParserCount(self.aminer_config, None, [self.stream_printer_event_handler])
     t = time.time()
     log_atom = LogAtom(self.match_context_seq.match_data, ParserMatch(self.match_element_seq), t, parser_count)
     old_count_dict = dict(parser_count.count_dict)
     old_count_dict['fixed/seq'] = {current_processed_lines_str: 1, total_processed_lines_str: 1}
     parser_count.receive_atom(log_atom)
     self.assertEqual(parser_count.count_dict, old_count_dict)
예제 #3
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 def test2log_atom_matches_single_path(self):
     """This unittest tests the receive_atom method with a single path matching."""
     parser_count = ParserCount(self.aminer_config, ['fixed/seq', 'fixed/seq/m1', 'fixed/seq/m2', 'fixed/m3'],
                                [self.stream_printer_event_handler])
     t = time.time()
     log_atom = LogAtom(self.fixed_dme_m3.fixed_data, ParserMatch(self.match_element_m3), t, parser_count)
     old_count_dict = dict(parser_count.count_dict)
     old_count_dict['fixed/m3'][current_processed_lines_str] = 1
     old_count_dict['fixed/m3'][total_processed_lines_str] = 1
     parser_count.receive_atom(log_atom)
     self.assertEqual(parser_count.count_dict, old_count_dict)
예제 #4
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 def test3log_atom_matches_multiple_paths(self):
     """This unittest tests the receive_atom method with multiple paths matching."""
     parser_count = ParserCount(
         self.aminer_config,
         ['fixed/seq', 'fixed/seq/m1', 'fixed/seq/m2', 'fixed/m3'],
         [self.stream_printer_event_handler])
     t = time.time()
     log_atom = LogAtom(self.match_context_seq.match_data,
                        ParserMatch(self.match_element_seq), t,
                        parser_count)
     old_count_dict = dict(parser_count.count_dict)
     old_count_dict['fixed/seq'] = 1
     old_count_dict['fixed/seq/m1'] = 1
     old_count_dict['fixed/seq/m2'] = 1
     parser_count.receive_atom(log_atom)
     self.assertEqual(parser_count.count_dict, old_count_dict)
예제 #5
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 def test7initialize_errored_target_label_list(self):
     """Initialize the ParserCount class with errored target_label_list parameters and check if an error is raised."""
     self.assertRaises(ValueError, ParserCount, self.aminer_config, None, [self.stream_printer_event_handler], target_label_list=['p'])
     self.assertRaises(ValueError, ParserCount, self.aminer_config, ['path1', 'path2'], [self.stream_printer_event_handler],
                       target_label_list=['p'])
     self.assertRaises(ValueError, ParserCount, self.aminer_config, ['path1'], [self.stream_printer_event_handler],
                       target_label_list=['p1', 'p2'])
     ParserCount(self.aminer_config, ['path'], [self.stream_printer_event_handler], target_label_list=['p'])
예제 #6
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 def test4do_timer(self):
     """This unittest checks if the do_timer method works properly."""
     parser_count = ParserCount(self.aminer_config, ['fixed/m3'], [self.stream_printer_event_handler], 600)
     t = time.time()
     self.assertEqual(int(parser_count.do_timer(t + 100)), 600)
     self.assertEqual(self.output_stream.getvalue(), "")
     log_atom = LogAtom(self.match_context_seq.match_data, ParserMatch(self.match_element_seq), t, parser_count)
     parser_count.receive_atom(log_atom)
     self.assertEqual(int(parser_count.do_timer(t + 100)), 500)
     self.assertEqual(self.output_stream.getvalue(), "")
     self.assertEqual(parser_count.do_timer(t + 601), 600)
     self.assertNotEqual(self.output_stream.getvalue(), "")
     self.reset_output_stream()
예제 #7
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def build_analysis_pipeline(analysis_context):
    """
    Define the function to create pipeline for parsing the log data.
    It has also to define an AtomizerFactory to instruct AMiner how to process incoming data streams to create log atoms from them.
    """
    date_format_string = b'%Y-%m-%d %H:%M:%S'
    cron = b' cron['

    # Build the parsing model:
    from aminer.parsing import FirstMatchModelElement, SequenceModelElement, DecimalFloatValueModelElement, FixedDataModelElement, \
        DelimitedDataModelElement, AnyByteDataModelElement, FixedWordlistDataModelElement, DecimalIntegerValueModelElement, \
        DateTimeModelElement, IpAddressDataModelElement, Base64StringModelElement, ElementValueBranchModelElement, HexStringModelElement, \
        MultiLocaleDateTimeModelElement, OptionalMatchModelElement, RepeatedElementDataModelElement, VariableByteDataModelElement, \
        WhiteSpaceLimitedDataModelElement

    service_children_disk_report = [
        FixedDataModelElement(
            'Space',
            b' Current Disk Data is: Filesystem     Type  Size  Used Avail Use%'
        ),
        DelimitedDataModelElement('Data', b'%'),
        AnyByteDataModelElement('Rest')
    ]

    service_children_login_details = [
        FixedDataModelElement('User', b'User '),
        DelimitedDataModelElement('Username', b' '),
        FixedWordlistDataModelElement('Status',
                                      [b' logged in', b' logged out']),
        OptionalMatchModelElement(
            'PastTime',
            SequenceModelElement('Time', [
                FixedDataModelElement('Blank', b' '),
                DecimalIntegerValueModelElement('Minutes'),
                FixedDataModelElement('Ago', b' minutes ago.')
            ]))
    ]

    service_children_cron_job = [
        DateTimeModelElement('DTM', date_format_string),
        FixedDataModelElement('UNameSpace1', b' '),
        DelimitedDataModelElement('UName', b' '),
        FixedDataModelElement('UNameSpace2', b' '),
        DelimitedDataModelElement('User', b' '),
        FixedDataModelElement('Cron', cron),
        DecimalIntegerValueModelElement('JobNumber'),
        FixedDataModelElement('Details', b']: Job `cron.daily` started.')
    ]

    service_children_random_time = [
        FixedDataModelElement('Space', b'Random: '),
        DecimalIntegerValueModelElement('Random')
    ]

    service_children_sensors = [
        SequenceModelElement('CPUTemp', [
            FixedDataModelElement('FixedTemp', b'CPU Temp: '),
            DecimalIntegerValueModelElement('Temp'),
            FixedDataModelElement('Degrees', b'\xc2\xb0C')
        ]),
        FixedDataModelElement('Space1', b', '),
        SequenceModelElement('CPUWorkload', [
            FixedDataModelElement('FixedWorkload', b'CPU Workload: '),
            DecimalIntegerValueModelElement('Workload'),
            FixedDataModelElement('Percent', b'%')
        ]),
        FixedDataModelElement('Space2', b', '),
        DateTimeModelElement('DTM', date_format_string)
    ]

    service_children_user_ip_address = [
        FixedDataModelElement('User', b'User '),
        DelimitedDataModelElement('Username', b' '),
        FixedDataModelElement('Action', b' changed IP address to '),
        IpAddressDataModelElement('IP')
    ]

    service_children_cron_job_announcement = [
        DateTimeModelElement('DTM', date_format_string),
        FixedDataModelElement('Space', b' '),
        DelimitedDataModelElement('UName', b' '),
        FixedDataModelElement('Cron', cron),
        DecimalIntegerValueModelElement('JobNumber'),
        FixedDataModelElement('Run', b']: Will run job `'),
        FixedWordlistDataModelElement(
            'CronType',
            [b'cron.daily', b'cron.hourly', b'cron.monthly', b'cron.weekly']),
        FixedDataModelElement('StartTime', b'\' in 5 min.')
    ]

    service_children_cron_job_execution = [
        DateTimeModelElement('DTM', date_format_string),
        FixedDataModelElement('Space1', b' '),
        DelimitedDataModelElement('UName', b' '),
        FixedDataModelElement('Cron', cron),
        DecimalIntegerValueModelElement('JobNumber'),
        FixedDataModelElement('Job', b']: Job `'),
        FixedWordlistDataModelElement(
            'CronType',
            [b'cron.daily', b'cron.hourly', b'cron.monthly', b'cron.weekly']),
        FixedDataModelElement('Started', b'\' started')
    ]

    service_children_audit = [
        SequenceModelElement('path', [
            FixedDataModelElement('type', b'type=PATH '),
            FixedDataModelElement('msg_audit', b'msg=audit('),
            DelimitedDataModelElement('msg', b':'),
            FixedDataModelElement('placeholder', b':'),
            DecimalIntegerValueModelElement('id'),
            FixedDataModelElement('item_string', b'): item='),
            DecimalIntegerValueModelElement('item'),
            FixedDataModelElement('name_string', b' name="'),
            DelimitedDataModelElement('name', b'"'),
            FixedDataModelElement('inode_string', b'" inode='),
            DecimalIntegerValueModelElement('inode'),
            FixedDataModelElement('dev_string', b' dev='),
            DelimitedDataModelElement('dev', b' '),
            FixedDataModelElement('mode_string', b' mode='),
            DecimalIntegerValueModelElement('mode'),
            FixedDataModelElement('ouid_string', b' ouid='),
            DecimalIntegerValueModelElement('ouid'),
            FixedDataModelElement('ogid_string', b' ogid='),
            DecimalIntegerValueModelElement('ogid'),
            FixedDataModelElement('rdev_string', b' rdev='),
            DelimitedDataModelElement('rdev', b' '),
            FixedDataModelElement('nametype_string', b' nametype='),
            FixedWordlistDataModelElement('nametype', [b'NORMAL', b'ERROR'])
        ]),
        SequenceModelElement('syscall', [
            FixedDataModelElement('type', b'type=SYSCALL '),
            FixedDataModelElement('msg_audit', b'msg=audit('),
            DelimitedDataModelElement('msg', b':'),
            FixedDataModelElement('placeholder', b':'),
            DecimalIntegerValueModelElement('id'),
            FixedDataModelElement('arch_string', b'): arch='),
            DelimitedDataModelElement('arch', b' '),
            FixedDataModelElement('syscall_string', b' syscall='),
            DecimalIntegerValueModelElement('syscall'),
            FixedDataModelElement('success_string', b' success='),
            FixedWordlistDataModelElement('success', [b'yes', b'no']),
            FixedDataModelElement('exit_string', b' exit='),
            DecimalIntegerValueModelElement('exit'),
            AnyByteDataModelElement('remainding_data')
        ])
    ]

    service_children_parsing_model_element = [
        DateTimeModelElement('DateTimeModelElement',
                             b'Current DateTime: %d.%m.%Y %H:%M:%S'),
        DecimalFloatValueModelElement('DecimalFloatValueModelElement',
                                      value_sign_type='optional'),
        DecimalIntegerValueModelElement('DecimalIntegerValueModelElement',
                                        value_sign_type='optional',
                                        value_pad_type='blank'),
        SequenceModelElement('', [
            DelimitedDataModelElement('DelimitedDataModelElement', b';'),
            FixedDataModelElement('FixedDataModelElement', b';')
        ])
    ]

    # ElementValueBranchModelElement
    fixed_data_me1 = FixedDataModelElement("fixed1", b'match ')
    fixed_data_me2 = FixedDataModelElement("fixed2", b'fixed String')
    fixed_wordlist_data_model_element = FixedWordlistDataModelElement(
        "wordlist", [b'data: ', b'string: '])
    decimal_integer_value_model_element = DecimalIntegerValueModelElement(
        "decimal")

    service_children_parsing_model_element.append(
        ElementValueBranchModelElement(
            'ElementValueBranchModelElement',
            FirstMatchModelElement("first", [
                SequenceModelElement(
                    "seq1",
                    [fixed_data_me1, fixed_wordlist_data_model_element]),
                SequenceModelElement("seq2", [
                    fixed_data_me1, fixed_wordlist_data_model_element,
                    fixed_data_me2
                ])
            ]), "wordlist", {
                0: decimal_integer_value_model_element,
                1: fixed_data_me2
            }))
    service_children_parsing_model_element.append(
        HexStringModelElement('HexStringModelElement'))
    service_children_parsing_model_element.append(
        SequenceModelElement('', [
            FixedDataModelElement('FixedDataModelElement',
                                  b'Gateway IP-Address: '),
            IpAddressDataModelElement('IpAddressDataModelElement')
        ]))
    import locale
    loc = locale.getlocale()
    if loc == (None, None):
        loc = ('en_US', 'utf8')
    service_children_parsing_model_element.append(
        MultiLocaleDateTimeModelElement('MultiLocaleDateTimeModelElement',
                                        [(b'%b %d %Y', '%s.%s' %
                                          (loc), None)]))
    service_children_parsing_model_element.append(
        RepeatedElementDataModelElement(
            'RepeatedElementDataModelElement',
            SequenceModelElement('SequenceModelElement', [
                FixedDataModelElement('FixedDataModelElement',
                                      b'drawn number: '),
                DecimalIntegerValueModelElement(
                    'DecimalIntegerValueModelElement')
            ]), 1))
    service_children_parsing_model_element.append(
        VariableByteDataModelElement('VariableByteDataModelElement', b'-@#'))
    service_children_parsing_model_element.append(
        SequenceModelElement('', [
            WhiteSpaceLimitedDataModelElement(
                'WhiteSpaceLimitedDataModelElement'),
            FixedDataModelElement('', b' ')
        ]))

    # The Base64StringModelElement must be just before the AnyByteDataModelElement to avoid unexpected Matches.
    service_children_parsing_model_element.append(
        Base64StringModelElement('Base64StringModelElement'))

    # The OptionalMatchModelElement must be paired with a FirstMatchModelElement because it accepts all data and thus no data gets to the
    # AnyByteDataModelElement. The AnyByteDataModelElement must be last, because all bytes are accepted.
    service_children_parsing_model_element.append(
        OptionalMatchModelElement(
            'OptionalMatchModelElement',
            FirstMatchModelElement('FirstMatchModelElement', [
                FixedDataModelElement('FixedDataModelElement',
                                      b'The-searched-element-was-found!'),
                SequenceModelElement('', [
                    FixedDataModelElement('FixedDME', b'Any:'),
                    AnyByteDataModelElement('AnyByteDataModelElement')
                ])
            ])))

    alphabet = b'abcdef'
    service_children_ecd = []
    for _, char in enumerate(alphabet):
        char = bytes([char])
        service_children_ecd.append(FixedDataModelElement(char.decode(), char))

    parsing_model = FirstMatchModelElement('model', [
        SequenceModelElement('CronAnnouncement',
                             service_children_cron_job_announcement),
        SequenceModelElement('CronExecution',
                             service_children_cron_job_execution),
        SequenceModelElement('DailyCron', service_children_cron_job),
        SequenceModelElement('DiskReport', service_children_disk_report),
        SequenceModelElement('LoginDetails', service_children_login_details),
        DecimalIntegerValueModelElement('Random'),
        SequenceModelElement('RandomTime', service_children_random_time),
        SequenceModelElement('Sensors', service_children_sensors),
        SequenceModelElement('IPAddresses', service_children_user_ip_address),
        FirstMatchModelElement('type', service_children_audit),
        FirstMatchModelElement('ECD', service_children_ecd),
        FirstMatchModelElement('ParsingME',
                               service_children_parsing_model_element)
    ])

    # Some generic imports.
    from aminer.analysis import AtomFilters

    # Create all global handler lists here and append the real handlers later on.
    # Use this filter to distribute all atoms to the analysis handlers.
    atom_filter = AtomFilters.SubhandlerFilter(None)

    from aminer.analysis.TimestampCorrectionFilters import SimpleMonotonicTimestampAdjust
    simple_monotonic_timestamp_adjust = SimpleMonotonicTimestampAdjust(
        [atom_filter])
    analysis_context.register_component(
        simple_monotonic_timestamp_adjust,
        component_name="SimpleMonotonicTimestampAdjust")

    from aminer.events.StreamPrinterEventHandler import StreamPrinterEventHandler
    stream_printer_event_handler = StreamPrinterEventHandler(analysis_context)
    anomaly_event_handlers = [stream_printer_event_handler]

    # Now define the AtomizerFactory using the model. A simple line
    # based one is usually sufficient.
    from aminer.input import SimpleByteStreamLineAtomizerFactory
    analysis_context.atomizer_factory = SimpleByteStreamLineAtomizerFactory(
        parsing_model, [simple_monotonic_timestamp_adjust],
        anomaly_event_handlers,
        default_timestamp_paths=["/model/DailyCron/DTM"])

    # Just report all unparsed atoms to the event handlers.
    from aminer.input import SimpleUnparsedAtomHandler, VerboseUnparsedAtomHandler
    simple_unparsed_atom_handler = SimpleUnparsedAtomHandler(
        anomaly_event_handlers)
    atom_filter.add_handler(simple_unparsed_atom_handler,
                            stop_when_handled_flag=False)
    analysis_context.register_component(simple_unparsed_atom_handler,
                                        component_name="SimpleUnparsedHandler")

    verbose_unparsed_atom_handler = VerboseUnparsedAtomHandler(
        anomaly_event_handlers, parsing_model)
    atom_filter.add_handler(verbose_unparsed_atom_handler,
                            stop_when_handled_flag=True)
    analysis_context.register_component(
        verbose_unparsed_atom_handler, component_name="VerboseUnparsedHandler")

    from aminer.analysis.TimestampsUnsortedDetector import TimestampsUnsortedDetector
    timestamps_unsorted_detector = TimestampsUnsortedDetector(
        analysis_context.aminer_config, anomaly_event_handlers)
    atom_filter.add_handler(timestamps_unsorted_detector)
    analysis_context.register_component(
        timestamps_unsorted_detector,
        component_name="TimestampsUnsortedDetector")

    from aminer.analysis import Rules
    from aminer.analysis import AllowlistViolationDetector

    # This rule list should trigger, when the line does not look like: User root (logged in, logged out)
    # or User 'username' (logged in, logged out) x minutes ago.
    allowlist_rules = [
        Rules.OrMatchRule([
            Rules.AndMatchRule([
                Rules.PathExistsMatchRule(
                    '/model/LoginDetails/PastTime/Time/Minutes'),
                Rules.NegationMatchRule(
                    Rules.ValueMatchRule('/model/LoginDetails/Username',
                                         b'root'))
            ]),
            Rules.AndMatchRule([
                Rules.NegationMatchRule(
                    Rules.PathExistsMatchRule(
                        '/model/LoginDetails/PastTime/Time/Minutes')),
                Rules.PathExistsMatchRule('/model/LoginDetails')
            ]),
            Rules.NegationMatchRule(
                Rules.PathExistsMatchRule('/model/LoginDetails'))
        ])
    ]

    allowlist_violation_detector = AllowlistViolationDetector(
        analysis_context.aminer_config,
        allowlist_rules,
        anomaly_event_handlers,
        output_log_line=True)
    analysis_context.register_component(allowlist_violation_detector,
                                        component_name="Allowlist")
    atom_filter.add_handler(allowlist_violation_detector)

    from aminer.analysis import ParserCount
    parser_count = ParserCount(analysis_context.aminer_config, None,
                               anomaly_event_handlers, 10)
    analysis_context.register_component(parser_count,
                                        component_name="ParserCount")
    atom_filter.add_handler(parser_count)

    from aminer.analysis.EventTypeDetector import EventTypeDetector
    etd = EventTypeDetector(analysis_context.aminer_config,
                            anomaly_event_handlers)
    analysis_context.register_component(etd,
                                        component_name="EventTypeDetector")
    atom_filter.add_handler(etd)

    from aminer.analysis.VariableTypeDetector import VariableTypeDetector
    vtd = VariableTypeDetector(analysis_context.aminer_config,
                               anomaly_event_handlers,
                               etd,
                               silence_output_except_indicator=False,
                               output_log_line=False)
    analysis_context.register_component(vtd,
                                        component_name="VariableTypeDetector")
    atom_filter.add_handler(vtd)

    from aminer.analysis.VariableCorrelationDetector import VariableCorrelationDetector
    vtd = VariableCorrelationDetector(analysis_context.aminer_config,
                                      anomaly_event_handlers,
                                      etd,
                                      disc_div_thres=0.5)
    analysis_context.register_component(
        vtd, component_name="VariableCorrelationDetector")
    atom_filter.add_handler(vtd)

    from aminer.analysis import EventCorrelationDetector
    ecd = EventCorrelationDetector(analysis_context.aminer_config,
                                   anomaly_event_handlers,
                                   check_rules_flag=True,
                                   hypothesis_max_delta_time=1.0,
                                   auto_include_flag=True)
    analysis_context.register_component(
        ecd, component_name="EventCorrelationDetector")
    atom_filter.add_handler(ecd)

    from aminer.analysis import MatchFilter
    match_filter = MatchFilter(analysis_context.aminer_config,
                               ['/model/Random'],
                               anomaly_event_handlers,
                               target_value_list=[1, 10, 100],
                               output_log_line=True)
    analysis_context.register_component(match_filter,
                                        component_name="MatchFilter")
    atom_filter.add_handler(match_filter)

    from aminer.analysis import NewMatchPathDetector
    new_match_path_detector = NewMatchPathDetector(
        analysis_context.aminer_config,
        anomaly_event_handlers,
        auto_include_flag=True,
        output_log_line=True)
    analysis_context.register_component(new_match_path_detector,
                                        component_name="NewMatchPath")
    atom_filter.add_handler(new_match_path_detector)

    def tuple_transformation_function(match_value_list):
        """Only allow output of the EnhancedNewMatchPathValueComboDetector after every 10th element."""
        extra_data = enhanced_new_match_path_value_combo_detector.known_values_dict.get(
            tuple(match_value_list))
        if extra_data is not None:
            mod = 10
            if (extra_data[2] + 1) % mod == 0:
                enhanced_new_match_path_value_combo_detector.auto_include_flag = False
            else:
                enhanced_new_match_path_value_combo_detector.auto_include_flag = True
        return match_value_list

    from aminer.analysis.EnhancedNewMatchPathValueComboDetector import EnhancedNewMatchPathValueComboDetector
    enhanced_new_match_path_value_combo_detector = EnhancedNewMatchPathValueComboDetector(
        analysis_context.aminer_config,
        ['/model/DailyCron/UName', '/model/DailyCron/JobNumber'],
        anomaly_event_handlers,
        auto_include_flag=True,
        tuple_transformation_function=tuple_transformation_function,
        output_log_line=True)
    analysis_context.register_component(
        enhanced_new_match_path_value_combo_detector,
        component_name="EnhancedNewValueCombo")
    atom_filter.add_handler(enhanced_new_match_path_value_combo_detector)

    from aminer.analysis.HistogramAnalysis import HistogramAnalysis, LinearNumericBinDefinition, ModuloTimeBinDefinition, \
        PathDependentHistogramAnalysis
    modulo_time_bin_definition = ModuloTimeBinDefinition(
        86400, 3600, 0, 1, 24, True)
    linear_numeric_bin_definition = LinearNumericBinDefinition(50, 5, 20, True)
    histogram_analysis = HistogramAnalysis(
        analysis_context.aminer_config,
        [('/model/RandomTime/Random', modulo_time_bin_definition),
         ('/model/Random', linear_numeric_bin_definition)],
        10,
        anomaly_event_handlers,
        output_log_line=True)
    analysis_context.register_component(histogram_analysis,
                                        component_name="HistogramAnalysis")
    atom_filter.add_handler(histogram_analysis)

    path_dependent_histogram_analysis = PathDependentHistogramAnalysis(
        analysis_context.aminer_config,
        '/model/RandomTime',
        modulo_time_bin_definition,
        10,
        anomaly_event_handlers,
        output_log_line=True)
    analysis_context.register_component(
        path_dependent_histogram_analysis,
        component_name="PathDependentHistogramAnalysis")
    atom_filter.add_handler(path_dependent_histogram_analysis)

    from aminer.analysis.MatchValueAverageChangeDetector import MatchValueAverageChangeDetector
    match_value_average_change_detector = MatchValueAverageChangeDetector(
        analysis_context.aminer_config,
        anomaly_event_handlers,
        None, ['/model/Random'],
        100,
        10,
        output_log_line=True)
    analysis_context.register_component(
        match_value_average_change_detector,
        component_name="MatchValueAverageChange")
    atom_filter.add_handler(match_value_average_change_detector)

    import sys
    from aminer.analysis.MatchValueStreamWriter import MatchValueStreamWriter
    match_value_stream_writer = MatchValueStreamWriter(sys.stdout, [
        '/model/Sensors/CPUTemp', '/model/Sensors/CPUWorkload',
        '/model/Sensors/DTM'
    ], b';', b'')
    analysis_context.register_component(
        match_value_stream_writer, component_name="MatchValueStreamWriter")
    atom_filter.add_handler(match_value_stream_writer)

    from aminer.analysis.NewMatchPathValueComboDetector import NewMatchPathValueComboDetector
    new_match_path_value_combo_detector = NewMatchPathValueComboDetector(
        analysis_context.aminer_config,
        ['/model/IPAddresses/Username', '/model/IPAddresses/IP'],
        anomaly_event_handlers,
        output_log_line=True,
        auto_include_flag=True)
    analysis_context.register_component(
        new_match_path_value_combo_detector,
        component_name="NewMatchPathValueCombo")
    atom_filter.add_handler(new_match_path_value_combo_detector)

    from aminer.analysis.NewMatchIdValueComboDetector import NewMatchIdValueComboDetector
    new_match_id_value_combo_detector = NewMatchIdValueComboDetector(
        analysis_context.aminer_config,
        ['/model/type/path/name', '/model/type/syscall/syscall'],
        anomaly_event_handlers,
        id_path_list=['/model/type/path/id', '/model/type/syscall/id'],
        min_allowed_time_diff=5,
        auto_include_flag=True,
        allow_missing_values_flag=True,
        output_log_line=True)
    analysis_context.register_component(
        new_match_id_value_combo_detector,
        component_name="NewMatchIdValueComboDetector")
    atom_filter.add_handler(new_match_id_value_combo_detector)

    from aminer.analysis.NewMatchPathValueDetector import NewMatchPathValueDetector
    new_match_path_value_detector = NewMatchPathValueDetector(
        analysis_context.aminer_config,
        ['/model/DailyCron/JobNumber', '/model/IPAddresses/Username'],
        anomaly_event_handlers,
        auto_include_flag=True,
        output_log_line=True)
    analysis_context.register_component(new_match_path_value_detector,
                                        component_name="NewMatchPathValue")
    atom_filter.add_handler(new_match_path_value_detector)

    from aminer.analysis.MissingMatchPathValueDetector import MissingMatchPathValueDetector
    missing_match_path_value_detector = MissingMatchPathValueDetector(
        analysis_context.aminer_config,
        '/model/DiskReport/Space',
        anomaly_event_handlers,
        auto_include_flag=True,
        default_interval=2,
        realert_interval=5,
        output_log_line=True)
    analysis_context.register_component(missing_match_path_value_detector,
                                        component_name="MissingMatch")
    atom_filter.add_handler(missing_match_path_value_detector)

    from aminer.analysis.TimeCorrelationDetector import TimeCorrelationDetector
    time_correlation_detector = TimeCorrelationDetector(
        analysis_context.aminer_config,
        anomaly_event_handlers,
        2,
        min_rule_attributes=1,
        max_rule_attributes=5,
        record_count_before_event=10000,
        output_log_line=True)
    analysis_context.register_component(
        time_correlation_detector, component_name="TimeCorrelationDetector")
    atom_filter.add_handler(time_correlation_detector)

    from aminer.analysis.TimeCorrelationViolationDetector import TimeCorrelationViolationDetector, CorrelationRule, EventClassSelector
    cron_job_announcement = CorrelationRule(
        'CronJobAnnouncement',
        5,
        6,
        max_artefacts_a_for_single_b=1,
        artefact_match_parameters=[('/model/CronAnnouncement/JobNumber',
                                    '/model/CronExecution/JobNumber')])
    a_class_selector = EventClassSelector('Announcement',
                                          [cron_job_announcement], None)
    b_class_selector = EventClassSelector('Execution', None,
                                          [cron_job_announcement])
    rules = [
        Rules.PathExistsMatchRule('/model/CronAnnouncement/Run',
                                  a_class_selector),
        Rules.PathExistsMatchRule('/model/CronExecution/Job', b_class_selector)
    ]

    time_correlation_violation_detector = TimeCorrelationViolationDetector(
        analysis_context.aminer_config,
        rules,
        anomaly_event_handlers,
        output_log_line=True)
    analysis_context.register_component(
        time_correlation_violation_detector,
        component_name="TimeCorrelationViolationDetector")
    atom_filter.add_handler(time_correlation_violation_detector)
예제 #8
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 def test5reset_after_report_flag(self):
     """This unittest tests the functionality of the reset_after_report flag."""
     parser_count = ParserCount(
         self.aminer_config,
         ['fixed/seq', 'fixed/seq/m1', 'fixed/seq/m2', 'fixed/m3'],
         [self.stream_printer_event_handler], 600, False)
     parser_count.count_dict['fixed/seq'] = 5
     parser_count.count_dict['fixed/seq/m1'] = 5
     parser_count.count_dict['fixed/seq/m2'] = 5
     parser_count.count_dict['fixed/m3'] = 17
     old_count_dict = dict(parser_count.count_dict)
     parser_count.send_report()
     self.assertEqual(parser_count.count_dict, old_count_dict)
     parser_count.reset_after_report_flag = True
     parser_count.send_report()
     old_count_dict['fixed/seq'] = 0
     old_count_dict['fixed/seq/m1'] = 0
     old_count_dict['fixed/seq/m2'] = 0
     old_count_dict['fixed/m3'] = 0
     self.assertEqual(parser_count.count_dict, old_count_dict)
예제 #9
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 def test5resetting(self):
     """This unittest tests the functionality of resetting the counts."""
     parser_count = ParserCount(self.aminer_config, ['fixed/seq', 'fixed/seq/m1', 'fixed/seq/m2', 'fixed/m3'],
                                [self.stream_printer_event_handler], 600)
     parser_count.count_dict['fixed/seq'][current_processed_lines_str] = 5
     parser_count.count_dict['fixed/seq'][total_processed_lines_str] = 5
     parser_count.count_dict['fixed/seq/m1'][current_processed_lines_str] = 5
     parser_count.count_dict['fixed/seq/m1'][total_processed_lines_str] = 5
     parser_count.count_dict['fixed/seq/m2'][current_processed_lines_str] = 5
     parser_count.count_dict['fixed/seq/m2'][total_processed_lines_str] = 5
     parser_count.count_dict['fixed/m3'][current_processed_lines_str] = 17
     parser_count.count_dict['fixed/m3'][total_processed_lines_str] = 17
     old_count_dict = dict(parser_count.count_dict)
     parser_count.send_report()
     self.assertEqual(parser_count.count_dict, old_count_dict)
     parser_count.send_report()
     old_count_dict['fixed/seq'][current_processed_lines_str] = 0
     old_count_dict['fixed/seq/m1'][current_processed_lines_str] = 0
     old_count_dict['fixed/seq/m2'][current_processed_lines_str] = 0
     old_count_dict['fixed/m3'][current_processed_lines_str] = 0
     self.assertEqual(parser_count.count_dict, old_count_dict)
예제 #10
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def build_analysis_pipeline(analysis_context):
    """Define the function to create pipeline for parsing the log
    data. It has also to define an AtomizerFactory to instruct AMiner
    how to process incoming data streams to create log atoms from
    them."""

    # Build the parsing model:

    service_children_disk_report = [
        FixedDataModelElement('Space', b' Current Disk Data is: Filesystem     Type  Size  Used Avail Use%'),
        DelimitedDataModelElement('Data', b'%'), AnyByteDataModelElement('Rest')]

    service_children_login_details = [
        FixedDataModelElement('User', b'User '), DelimitedDataModelElement('Username', b' '),
        FixedWordlistDataModelElement('Status', [b' logged in', b' logged out']),
        OptionalMatchModelElement('PastTime', SequenceModelElement('Time', [
            FixedDataModelElement('Blank', b' '), DecimalIntegerValueModelElement('Minutes'),
            FixedDataModelElement('Ago', b' minutes ago.')]))]

    service_children_cron_job = [
        DateTimeModelElement('DTM', b'%Y-%m-%d %H:%M:%S'), FixedDataModelElement('UNameSpace1', b' '),
        DelimitedDataModelElement('UName', b' '), FixedDataModelElement('UNameSpace2', b' '), DelimitedDataModelElement('User', b' '),
        FixedDataModelElement('Cron', b' cron['), DecimalIntegerValueModelElement('JobNumber'),
        FixedDataModelElement('Details', b']: Job `cron.daily` started.')]

    service_children_random_time = [FixedDataModelElement('Space', b'Random: '), DecimalIntegerValueModelElement('Random')]

    service_children_sensors = [SequenceModelElement('CPUTemp', [
        FixedDataModelElement('FixedTemp', b'CPU Temp: '), DecimalIntegerValueModelElement('Temp'),
        FixedDataModelElement('Degrees', b'\xc2\xb0C')]), FixedDataModelElement('Space1', b', '), SequenceModelElement('CPUWorkload', [
            FixedDataModelElement('FixedWorkload', b'CPUWorkload: '), DecimalIntegerValueModelElement('Workload'),
            FixedDataModelElement('Percent', b'%')]), FixedDataModelElement('Space2', b', '),
        DateTimeModelElement('DTM', b'%Y-%m-%d %H:%M:%S')]

    service_children_user_ip_address = [
        FixedDataModelElement('User', b'User '), DelimitedDataModelElement('Username', b' '),
        FixedDataModelElement('Action', b' changed IP address to '), IpAddressDataModelElement('IP')]

    service_children_cron_job_announcement = [
        DateTimeModelElement('DTM', b'%Y-%m-%d %H:%M:%S'), FixedDataModelElement('Space', b' '),
        DelimitedDataModelElement('UName', b' '), FixedDataModelElement('Cron', b' cron['), DecimalIntegerValueModelElement('JobNumber'),
        FixedDataModelElement('Run', b']: Will run job `'),
        FixedWordlistDataModelElement('CronType', [b'cron.daily', b'cron.hourly', b'cron.monthly', b'cron.weekly']),
        FixedDataModelElement('StartTime', b'\' in 5 min.')]

    service_children_cron_job_execution = [
        DateTimeModelElement('DTM', b'%Y-%m-%d %H:%M:%S'), FixedDataModelElement('Space1', b' '),
        DelimitedDataModelElement('UName', b' '), FixedDataModelElement('Cron', b' cron['), DecimalIntegerValueModelElement('JobNumber'),
        FixedDataModelElement('Job', b']: Job `'),
        FixedWordlistDataModelElement('CronType', [b'cron.daily', b'cron.hourly', b'cron.monthly', b'cron.weekly']),
        FixedDataModelElement('Started', b'\' started')]

    parsing_model = FirstMatchModelElement('model', [
        SequenceModelElement('CronAnnouncement', service_children_cron_job_announcement),
        SequenceModelElement('CronExecution', service_children_cron_job_execution),
        SequenceModelElement('DailyCron', service_children_cron_job), SequenceModelElement('DiskReport', service_children_disk_report),
        SequenceModelElement('LoginDetails', service_children_login_details), DecimalIntegerValueModelElement('Random'),
        SequenceModelElement('RandomTime', service_children_random_time), SequenceModelElement('Sensors', service_children_sensors),
        SequenceModelElement('IPAddresses', service_children_user_ip_address)])

    # Some generic imports.
    from aminer.analysis import AtomFilters

    # Create all global handler lists here and append the real handlers later on.
    # Use this filter to distribute all atoms to the analysis handlers.
    atom_filters = AtomFilters.SubhandlerFilter(None)
    analysis_context.register_component(atom_filters, component_name="AtomFilter")

    from aminer.analysis.TimestampCorrectionFilters import SimpleMonotonicTimestampAdjust
    simple_monotonic_timestamp_adjust = SimpleMonotonicTimestampAdjust([atom_filters])
    analysis_context.register_component(simple_monotonic_timestamp_adjust, component_name="SimpleMonotonicTimestampAdjust")

    from aminer.events.StreamPrinterEventHandler import StreamPrinterEventHandler
    stream_printer_event_handler = StreamPrinterEventHandler(analysis_context)
    from aminer.events.Utils import VolatileLogarithmicBackoffEventHistory
    volatile_logarithmic_backoff_event_history = VolatileLogarithmicBackoffEventHistory(100)
    anomaly_event_handlers = [stream_printer_event_handler, volatile_logarithmic_backoff_event_history]
    analysis_context.register_component(volatile_logarithmic_backoff_event_history, component_name="VolatileLogarithmicBackoffEventHistory")

    # Now define the AtomizerFactory using the model. A simple line based one is usually sufficient.
    from aminer.input import SimpleByteStreamLineAtomizerFactory
    analysis_context.atomizer_factory = SimpleByteStreamLineAtomizerFactory(parsing_model, [simple_monotonic_timestamp_adjust],
                                                                            anomaly_event_handlers)

    # Just report all unparsed atoms to the event handlers.
    from aminer.input import SimpleUnparsedAtomHandler
    simple_unparsed_atom_handler = SimpleUnparsedAtomHandler(anomaly_event_handlers)
    atom_filters.add_handler(simple_unparsed_atom_handler, stop_when_handled_flag=True)
    analysis_context.register_component(simple_unparsed_atom_handler, component_name="UnparsedHandler")

    from aminer.analysis.TimestampsUnsortedDetector import TimestampsUnsortedDetector
    timestamps_unsorted_detector = TimestampsUnsortedDetector(analysis_context.aminer_config, anomaly_event_handlers)
    atom_filters.add_handler(timestamps_unsorted_detector)
    analysis_context.register_component(timestamps_unsorted_detector, component_name="TimestampsUnsortedDetector")

    from aminer.analysis import Rules
    from aminer.analysis import WhitelistViolationDetector
    whitelist_rules = [
        Rules.OrMatchRule([
            Rules.AndMatchRule([
                Rules.PathExistsMatchRule('/model/LoginDetails/PastTime/Time/Minutes'),
                Rules.NegationMatchRule(Rules.ValueMatchRule('/model/LoginDetails/Username', b'root'))]),
            Rules.AndMatchRule([
                Rules.NegationMatchRule(Rules.PathExistsMatchRule('/model/LoginDetails/PastTime/Time/Minutes')),
                Rules.PathExistsMatchRule('/model/LoginDetails')]),
            Rules.NegationMatchRule(Rules.PathExistsMatchRule('/model/LoginDetails'))])]

    # This rule list should trigger, when the line does not look like: User root (logged in, logged out)
    # or User 'username' (logged in, logged out) x minutes ago.
    whitelist_violation_detector = WhitelistViolationDetector(analysis_context.aminer_config, whitelist_rules, anomaly_event_handlers)
    analysis_context.register_component(whitelist_violation_detector, component_name="Whitelist")
    atom_filters.add_handler(whitelist_violation_detector)

    from aminer.analysis import ParserCount
    parser_count = ParserCount(analysis_context.aminer_config, None, anomaly_event_handlers, 10, False)
    analysis_context.register_component(parser_count, component_name="ParserCount")
    atom_filters.add_handler(parser_count)

    from aminer.analysis import NewMatchPathDetector
    new_match_path_detector = NewMatchPathDetector(analysis_context.aminer_config, anomaly_event_handlers, auto_include_flag=False)
    analysis_context.register_component(new_match_path_detector, component_name="NewMatchPath")
    atom_filters.add_handler(new_match_path_detector)

    def tuple_transformation_function(match_value_list):
        extra_data = enhanced_new_match_path_value_combo_detector.known_values_dict.get(tuple(match_value_list), None)
        if extra_data is not None:
            mod = 10000
            if (extra_data[2] + 1) % mod == 0:
                enhanced_new_match_path_value_combo_detector.auto_include_flag = False
            else:
                enhanced_new_match_path_value_combo_detector.auto_include_flag = True
        return match_value_list

    from aminer.analysis.EnhancedNewMatchPathValueComboDetector import EnhancedNewMatchPathValueComboDetector
    enhanced_new_match_path_value_combo_detector = EnhancedNewMatchPathValueComboDetector(
        analysis_context.aminer_config, ['/model/DailyCron/UName', '/model/DailyCron/JobNumber'], anomaly_event_handlers,
        auto_include_flag=False, tuple_transformation_function=tuple_transformation_function)
    analysis_context.register_component(enhanced_new_match_path_value_combo_detector, component_name="EnhancedNewValueCombo")
    atom_filters.add_handler(enhanced_new_match_path_value_combo_detector)

    from aminer.analysis.HistogramAnalysis import HistogramAnalysis, LinearNumericBinDefinition, ModuloTimeBinDefinition, \
        PathDependentHistogramAnalysis
    modulo_time_bin_definition = ModuloTimeBinDefinition(86400, 3600, 0, 1, 24, True)
    linear_numeric_bin_definition = LinearNumericBinDefinition(50, 5, 20, True)
    histogram_analysis = HistogramAnalysis(analysis_context.aminer_config, [
        ('/model/RandomTime/Random', modulo_time_bin_definition), ('/model/Random', linear_numeric_bin_definition)], 10,
        anomaly_event_handlers)
    analysis_context.register_component(histogram_analysis, component_name="HistogramAnalysis")
    atom_filters.add_handler(histogram_analysis)

    path_dependent_histogram_analysis = PathDependentHistogramAnalysis(analysis_context.aminer_config, '/model/RandomTime',
                                                                       modulo_time_bin_definition, 10, anomaly_event_handlers)
    analysis_context.register_component(path_dependent_histogram_analysis, component_name="PathDependentHistogramAnalysis")
    atom_filters.add_handler(path_dependent_histogram_analysis)

    from aminer.analysis.MatchValueAverageChangeDetector import MatchValueAverageChangeDetector
    match_value_average_change_detector = MatchValueAverageChangeDetector(analysis_context.aminer_config, anomaly_event_handlers, None,
                                                                          ['/model/Random'], 100, 10)
    analysis_context.register_component(match_value_average_change_detector, component_name="MatchValueAverageChange")
    atom_filters.add_handler(match_value_average_change_detector)

    import sys
    from aminer.analysis.MatchValueStreamWriter import MatchValueStreamWriter
    match_value_stream_writer = MatchValueStreamWriter(
        sys.stdout, ['/model/Sensors/CPUTemp', '/model/Sensors/CPUWorkload', '/model/Sensors/DTM'], b';', b'')
    analysis_context.register_component(match_value_stream_writer, component_name="MatchValueStreamWriter")
    atom_filters.add_handler(match_value_stream_writer)

    from aminer.analysis.NewMatchPathValueComboDetector import NewMatchPathValueComboDetector
    new_match_path_value_combo_detector = NewMatchPathValueComboDetector(analysis_context.aminer_config, [
        '/model/IPAddresses/Username', '/model/IPAddresses/IP'], anomaly_event_handlers, auto_include_flag=False)
    analysis_context.register_component(new_match_path_value_combo_detector, component_name="NewMatchPathValueCombo")
    atom_filters.add_handler(new_match_path_value_combo_detector)

    from aminer.analysis.NewMatchPathValueDetector import NewMatchPathValueDetector
    new_match_path_value_detector = NewMatchPathValueDetector(analysis_context.aminer_config, [
        '/model/DailyCron/Job Number', '/model/IPAddresses/Username'], anomaly_event_handlers, auto_include_flag=False)
    analysis_context.register_component(new_match_path_value_detector, component_name="NewMatchPathValue")
    atom_filters.add_handler(new_match_path_value_detector)

    from aminer.analysis.MissingMatchPathValueDetector import MissingMatchPathValueDetector
    missing_match_path_value_detector = MissingMatchPathValueDetector(
        analysis_context.aminer_config, '/model/DiskReport/Space', anomaly_event_handlers, auto_include_flag=False, default_interval=2,
        realert_interval=5)
    analysis_context.register_component(missing_match_path_value_detector, component_name="MissingMatch")
    atom_filters.add_handler(missing_match_path_value_detector)

    from aminer.analysis.TimeCorrelationDetector import TimeCorrelationDetector
    time_correlation_detector = TimeCorrelationDetector(analysis_context.aminer_config, 2, 1, 0, anomaly_event_handlers,
                                                        record_count_before_event=70000)
    analysis_context.register_component(time_correlation_detector, component_name="TimeCorrelationDetector")
    atom_filters.add_handler(time_correlation_detector)

    from aminer.analysis.TimeCorrelationViolationDetector import TimeCorrelationViolationDetector, CorrelationRule, EventClassSelector
    cron_job_announcement = CorrelationRule('CronJobAnnouncement', 5, 6, max_artefacts_a_for_single_b=1, artefact_match_parameters=[
        ('/model/CronAnnouncement/JobNumber', '/model/CronExecution/JobNumber')])
    a_class_selector = EventClassSelector('Announcement', [cron_job_announcement], None)
    b_class_selector = EventClassSelector('Execution', None, [cron_job_announcement])
    rules = [Rules.PathExistsMatchRule('/model/CronAnnouncement/Run', a_class_selector),
             Rules.PathExistsMatchRule('/model/CronExecution/Job', b_class_selector)]

    time_correlation_violation_detector = TimeCorrelationViolationDetector(analysis_context.aminer_config, rules, anomaly_event_handlers)
    analysis_context.register_component(time_correlation_violation_detector, component_name="TimeCorrelationViolationDetector")
    atom_filters.add_handler(time_correlation_violation_detector)

    from aminer.events import DefaultMailNotificationEventHandler
    if DefaultMailNotificationEventHandler.CONFIG_KEY_MAIL_TARGET_ADDRESS in analysis_context.aminer_config.config_properties:
        mail_notification_handler = DefaultMailNotificationEventHandler(analysis_context)
        analysis_context.register_component(mail_notification_handler, component_name="MailHandler")
        anomaly_event_handlers.append(mail_notification_handler)