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Commit9e0c582

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Merge branch 'main' into gis-add-anomali-mappings1612
2 parents044119e +8c4e32a commit9e0c582

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83 files changed

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lines changed

‎uncoder-core/app/translator/core/mapping.py‎

Lines changed: 21 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,12 @@ class LogSourceSignature(ABC):
2222
defis_suitable(self,**kwargs)->bool:
2323
raiseNotImplementedError("Abstract method")
2424

25+
defis_probably_suitable(self,**kwargs)->bool:
26+
"""
27+
Performs check with more options, but the result is less accurate than the "is_suitable" method
28+
"""
29+
raiseNotImplementedError("Abstract method")
30+
2531
@staticmethod
2632
def_check_conditions(conditions:list[Union[bool,None]])->bool:
2733
conditions= [conditionforconditioninconditionsifconditionisnotNone]
@@ -88,11 +94,13 @@ def __init__(
8894
log_source_signature:_LogSourceSignatureType=None,
8995
fields_mapping:Optional[FieldsMapping]=None,
9096
raw_log_fields:Optional[dict]=None,
97+
conditions:Optional[dict]=None,
9198
):
9299
self.source_id=source_id
93100
self.log_source_signature=log_source_signature
94101
self.fields_mapping=fields_mappingorFieldsMapping([])
95102
self.raw_log_fields=raw_log_fields
103+
self.conditions=conditions
96104

97105

98106
classBasePlatformMappings:
@@ -123,6 +131,7 @@ def prepare_mapping(self) -> dict[str, SourceMapping]:
123131

124132
field_mappings_dict=mapping_dict.get("field_mapping", {})
125133
raw_log_fields=mapping_dict.get("raw_log_fields", {})
134+
conditions=mapping_dict.get("conditions", {})
126135
field_mappings_dict.update({field:fieldforfieldinraw_log_fields})
127136
fields_mapping=self.prepare_fields_mapping(field_mapping=field_mappings_dict)
128137
self.update_default_source_mapping(default_mapping=default_mapping,fields_mapping=fields_mapping)
@@ -131,6 +140,7 @@ def prepare_mapping(self) -> dict[str, SourceMapping]:
131140
log_source_signature=log_source_signature,
132141
fields_mapping=fields_mapping,
133142
raw_log_fields=raw_log_fields,
143+
conditions=conditions,
134144
)
135145

136146
ifself.skip_load_default_mappings:
@@ -170,19 +180,26 @@ def get_source_mappings_by_fields_and_log_sources(
170180

171181
returnby_log_sources_and_fieldsorby_fieldsor [self._source_mappings[DEFAULT_MAPPING_NAME]]
172182

173-
defget_source_mappings_by_ids(self,source_mapping_ids:list[str])->list[SourceMapping]:
183+
defget_source_mapping(self,source_id:str)->Optional[SourceMapping]:
184+
returnself._source_mappings.get(source_id)
185+
186+
defget_source_mappings_by_ids(
187+
self,source_mapping_ids:list[str],return_default:bool=True
188+
)->list[SourceMapping]:
174189
source_mappings= []
175190
forsource_mapping_idinsource_mapping_ids:
191+
ifsource_mapping_id==DEFAULT_MAPPING_NAME:
192+
continue
176193
ifsource_mapping:=self.get_source_mapping(source_mapping_id):
177194
source_mappings.append(source_mapping)
178195

179-
ifnotsource_mappings:
196+
ifnotsource_mappingsandreturn_default:
180197
source_mappings= [self.get_source_mapping(DEFAULT_MAPPING_NAME)]
181198

182199
returnsource_mappings
183200

184-
defget_source_mapping(self,source_id:str)->Optional[SourceMapping]:
185-
returnself._source_mappings.get(source_id)
201+
defget_source_mappings_by_log_sources(self,log_sources:dict)->Optional[list[str]]:
202+
raiseNotImplementedError("Abstract method")
186203

187204
@property
188205
defdefault_mapping(self)->SourceMapping:

‎uncoder-core/app/translator/core/mixins/rule.py‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -42,7 +42,7 @@ def parse_mitre_attack(self, tags: list[str]) -> MitreInfoContainer:
4242
tag=tag.lower()
4343
iftag.startswith("attack."):
4444
tag=tag[7::]
45-
iftag.startswith("t"):
45+
iftag[-1].isdigit():
4646
parsed_techniques.append(tag)
4747
else:
4848
parsed_tactics.append(tag)
Lines changed: 20 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,20 @@
1+
fromtypingimportUnion
2+
3+
fromapp.translator.core.constimportQUERY_TOKEN_TYPE
4+
fromapp.translator.core.custom_types.tokensimportLogicalOperatorType,OperatorType
5+
fromapp.translator.core.mappingimportSourceMapping
6+
fromapp.translator.core.models.query_tokens.field_valueimportFieldValue
7+
fromapp.translator.core.models.query_tokens.identifierimportIdentifier
8+
9+
10+
classExtraConditionMixin:
11+
defgenerate_extra_conditions(self,source_mapping:SourceMapping)->list[QUERY_TOKEN_TYPE]:
12+
extra_tokens= []
13+
forfield,valueinsource_mapping.conditions.items():
14+
extra_tokens.extend(
15+
[
16+
FieldValue(source_name=field,operator=Identifier(token_type=OperatorType.EQ),value=value),
17+
Identifier(token_type=LogicalOperatorType.AND),
18+
]
19+
)
20+
returnextra_tokens

‎uncoder-core/app/translator/core/models/query_container.py‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -78,7 +78,7 @@ def __init__(
7878
parsed_logsources:Optional[dict]=None,
7979
timeframe:Optional[timedelta]=None,
8080
query_period:Optional[timedelta]=None,
81-
mitre_attack:MitreInfoContainer=MitreInfoContainer(),
81+
mitre_attack:Optional[MitreInfoContainer]=None,
8282
raw_metainfo_container:Optional[RawMetaInfoContainer]=None,
8383
)->None:
8484
self.id=id_orstr(uuid.uuid4())
@@ -88,7 +88,7 @@ def __init__(
8888
self.risk_score=risk_score
8989
self.type_=type_or""
9090
self.description=descriptionor""
91-
self.author= [v.strip()forvinauthor]ifauthorelse []
91+
self.author= [v.strip()forvinauthor]ifauthorandauthor!= [None]else []
9292
self.date=dateordatetime.now().date().strftime("%Y-%m-%d")
9393
self.output_table_fields=output_table_fieldsor []
9494
self.query_fields=query_fieldsor []
@@ -98,15 +98,15 @@ def __init__(
9898
self.severity=severityorSeverityType.low
9999
self.references=referencesor []
100100
self.tags=tagsor []
101-
self.mitre_attack=mitre_attackorNone
101+
self.mitre_attack=mitre_attackorMitreInfoContainer()
102102
self.raw_mitre_attack=raw_mitre_attackor []
103103
self.status=statusor"stable"
104104
self.false_positives=false_positivesor []
105105
self._source_mapping_ids=source_mapping_idsor [DEFAULT_MAPPING_NAME]
106106
self.parsed_logsources=parsed_logsourcesor {}
107107
self.timeframe=timeframe
108108
self.query_period=query_period
109-
self.raw_metainfo_container=raw_metainfo_container
109+
self.raw_metainfo_container=raw_metainfo_containerorRawMetaInfoContainer()
110110

111111
@property
112112
defauthor_str(self)->str:

‎uncoder-core/app/translator/core/render.py‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -403,6 +403,9 @@ def process_raw_log_field_prefix(self, field: str, source_mapping: SourceMapping
403403
ifraw_log_field_type:=source_mapping.raw_log_fields.get(field):
404404
return [self.process_raw_log_field(field=field,field_type=raw_log_field_type)]
405405

406+
defgenerate_extra_conditions(self,source_mapping:SourceMapping)->list[QUERY_TOKEN_TYPE]:# noqa: ARG002
407+
return []
408+
406409
defgenerate_raw_log_fields(self,fields:list[Field],source_mapping:SourceMapping)->str:
407410
ifnotself.raw_log_field_patterns_map:
408411
return""
@@ -442,6 +445,9 @@ def _generate_from_tokenized_query_container_by_source_mapping(
442445
source_mapping=source_mapping,
443446
)
444447
prefix+=f"\n{defined_raw_log_fields}"
448+
ifsource_mapping.conditions:
449+
extra_tokens=self.generate_extra_conditions(source_mapping=source_mapping)
450+
query_container.tokens= [*extra_tokens,*query_container.tokens]
445451
query=self.generate_query(tokens=query_container.tokens,source_mapping=source_mapping)
446452
not_supported_functions=query_container.functions.not_supported+rendered_functions.not_supported
447453
returnself.finalize_query(

‎uncoder-core/app/translator/mappings/platforms/anomali/common.yml‎renamed to ‎uncoder-core/app/translator/mappings/platforms/anomali/proxy.yml‎

Lines changed: 11 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,19 @@
11
platform:Anomali
2-
description:Common field mapping
2+
source:proxy
33

44
field_mapping:
55
c-uri-query:url
66
c-useragent:user_agent
7+
c-uri:url
8+
cs-method:http_method
9+
cs-bytes:bytes_out
10+
cs-referrer:http_referrer
11+
sc-status:return_code
12+
13+
dns-query:query
14+
dns-answer:answer
15+
dns-record:record_type
16+
717
CommandLine:command_line
818
DestinationHostname:dest
919
DestinationIp:dest_ip
Lines changed: 41 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,41 @@
1+
platform:Anomali
2+
source:webserver
3+
4+
field_mapping:
5+
c-uri-query:url
6+
c-useragent:user_agent
7+
c-uri:url
8+
cs-method:http_method
9+
cs-bytes:bytes_out
10+
cs-referrer:http_referrer
11+
sc-status:return_code
12+
13+
dns-query:query
14+
dns-answer:answer
15+
dns-record:record_type
16+
17+
CommandLine:command_line
18+
DestinationHostname:dest
19+
DestinationIp:dest_ip
20+
DestinationPort:dest_port
21+
Details:reg_value_data
22+
dst_ip:dest_ip
23+
dst_port:dest_port
24+
EventID:event_id
25+
EventName:event_name
26+
FileName:file_name
27+
FilePath:file_path
28+
Image:image
29+
NewProcessName:image
30+
OriginalFileName:original_file_name
31+
ParentCommandLine:parent_command_line
32+
ParentImage:parent_image
33+
ParentProcessID:parent_process_id
34+
Platform:platform
35+
ProcessCommandLine:command_line
36+
ProcessID:process_id
37+
SourceImage:parent_image
38+
SourcePort:src_port
39+
TargetFilename:file_name
40+
TargetObject:reg_key
41+
UserAgent:user_agent
Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
1+
platform:ArcSight
2+
source:default
3+
4+
5+
default_log_source:{}
Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
1+
platform:ArcSight
2+
source:linux_network_connection
3+
4+
5+
default_log_source:{}
6+
7+
8+
field_mapping:
9+
SourceHostname:sourceHostName
Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
1+
platform:ArcSight
2+
source:macos_network_connection
3+
4+
5+
default_log_source:{}
6+
7+
8+
field_mapping:
9+
SourceHostname:sourceHostName

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