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Commit7bb67e8

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committed
fixes in renders for avoid duplicates in mitre tags
1 parent6720e81 commit7bb67e8

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10 files changed

+51
-20
lines changed

10 files changed

+51
-20
lines changed

‎translator/app/routers/assistance.py‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -16,7 +16,7 @@
1616

1717
@asynccontextmanager
1818
asyncdeflifespan(app:FastAPI)->Generator[None,None,None]:# noqa: ARG001
19-
MitreConfig().update_mitre_config()
19+
MitreConfig(server=True).update_mitre_config()
2020
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/uncoder_meta_info_roota.json"))asfile:
2121
suggestions["roota"]=json.load(file)
2222
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/uncoder_meta_info_sigma.json"))asfile:

‎translator/app/translator/core/mitre.py‎

Lines changed: 18 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,7 @@
22
importos
33
importssl
44
importurllib.request
5+
fromjsonimportJSONDecodeError
56
fromurllib.errorimportHTTPError
67

78
fromapp.translator.tools.singleton_metaimportSingletonMeta
@@ -12,9 +13,11 @@ class MitreConfig(metaclass=SingletonMeta):
1213
config_url:str="https://raw.githubusercontent.com/mitre/cti/master/enterprise-attack/enterprise-attack.json"
1314
mitre_source_types:tuple= ("mitre-attack",)
1415

15-
def__init__(self):
16+
def__init__(self,server:bool=False):
1617
self.tactics= {}
1718
self.techniques= {}
19+
ifnotserver:
20+
self.__load_mitre_configs_from_files()
1821

1922
@staticmethod
2023
def__revoked_or_deprecated(entry:dict)->bool:
@@ -88,20 +91,30 @@ def update_mitre_config(self) -> None: # noqa: PLR0912
8891
sub_technique_id=ref["external_id"]
8992
sub_technique_name=entry["name"]
9093
parent_technique_name=technique_map[sub_technique_id.split(".")[0]]
94+
parent_tactics=self.techniques.get(sub_technique_id.split(".")[0].lower(), {}).get(
95+
"tactic", []
96+
)
9197
sub_technique_name=f"{parent_technique_name} :{sub_technique_name}"
9298
self.techniques[ref["external_id"].lower()]= {
9399
"technique_id":ref["external_id"],
94100
"technique":sub_technique_name,
95101
"url":ref["url"],
102+
"tactic":parent_tactics
96103
}
97104
break
98105

99106
def__load_mitre_configs_from_files(self)->None:
100-
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/tactics.json"))asfile:
101-
self.tactics=json.load(file)
107+
try:
108+
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/tactics.json"))asfile:
109+
self.tactics=json.load(file)
110+
exceptJSONDecodeError:
111+
self.tactics= {}
102112

103-
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/techniques.json"))asfile:
104-
self.techniques=json.load(file)
113+
try:
114+
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/techniques.json"))asfile:
115+
self.techniques=json.load(file)
116+
exceptJSONDecodeError:
117+
self.techniques= {}
105118

106119
defget_tactic(self,tactic:str)->dict:
107120
tactic=tactic.replace(".","_")

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

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -27,7 +27,7 @@ def load_rule(text: str) -> dict:
2727

2828
defparse_mitre_attack(self,tags:list[str])->dict[str,list]:
2929
result= {"tactics": [],"techniques": []}
30-
fortagintags:
30+
fortaginset(tags):
3131
tag=tag.lower()
3232
iftag.startswith("attack."):
3333
tag=tag[7::]

‎translator/app/translator/platforms/elasticsearch/renders/detection_rule.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -60,7 +60,7 @@ def __create_mitre_threat(self, mitre_attack: dict) -> Union[list, list[dict]]:
6060
if"."intechnique_name:
6161
technique_name=technique_name[:technique_name.index(".")]
6262
threat.append(technique_name)
63-
returnthreat
63+
returnsorted(threat)
6464

6565
fortacticinmitre_attack["tactics"]:
6666
tactic_render= {"id":tactic["external_id"],"name":tactic["tactic"],"reference":tactic["url"]}
@@ -81,7 +81,7 @@ def __create_mitre_threat(self, mitre_attack: dict) -> Union[list, list[dict]]:
8181
iflen(sub_threat["technique"])>0:
8282
threat.append(sub_threat)
8383

84-
returnthreat
84+
returnsorted(threat,key=lambdax:x["tactic"]["id"])
8585

8686
deffinalize_query(
8787
self,

‎translator/app/translator/platforms/logscale/renders/logscale_alert.py‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -56,8 +56,10 @@ def finalize_query(
5656
rule["name"]=meta_info.titleor_AUTOGENERATED_TITLE
5757
mitre_attack= []
5858
ifmeta_info.mitre_attack:
59-
mitre_attack= [f"ATTACK.{i['tactic']}"foriinmeta_info.mitre_attack.get("tactics", [])]
60-
mitre_attack.extend([f"ATTACK.{i['technique_id']}"foriinmeta_info.mitre_attack.get("techniques", [])])
59+
mitre_attack=sorted([f"ATTACK.{i['tactic']}"foriinmeta_info.mitre_attack.get("tactics", [])])
60+
mitre_attack.extend(
61+
sorted([f"ATTACK.{i['technique_id']}"foriinmeta_info.mitre_attack.get("techniques", [])])
62+
)
6163
rule["description"]=get_rule_description_str(
6264
description=meta_info.description,
6365
license_=meta_info.license,

‎translator/app/translator/platforms/microsoft/renders/microsoft_sentinel_rule.py‎

Lines changed: 8 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -49,16 +49,19 @@ class MicrosoftSentinelRuleRender(MicrosoftSentinelQueryRender):
4949
field_value_map=MicrosoftSentinelRuleFieldValue(or_token=or_token)
5050

5151
def__create_mitre_threat(self,meta_info:MetaInfoContainer)->tuple[list,list]:
52-
tactics=[]
52+
tactics=set()
5353
techniques= []
5454

55-
fortacticinmeta_info.mitre_attack.get("tactics", []):
56-
tactics.append(tactic["tactic"])
55+
fortacticinmeta_info.mitre_attack.get("tactics"):
56+
tactics.add(tactic["tactic"])
5757

58-
fortechniqueinmeta_info.mitre_attack.get("techniques", []):
58+
fortechniqueinmeta_info.mitre_attack.get("techniques"):
59+
iftechnique.get("tactic"):
60+
fortacticintechnique["tactic"]:
61+
tactics.add(tactic)
5962
techniques.append(technique["technique_id"])
6063

61-
returntactics,techniques
64+
returnsorted(tactics),sorted(techniques)
6265

6366
deffinalize_query(
6467
self,

‎translator/app/translator/platforms/sigma/parsers/sigma.py‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,6 @@
1717
-----------------------------------------------------------------
1818
"""
1919

20-
2120
fromtypingimportUnion
2221

2322
fromapp.translator.core.exceptions.coreimportSigmaRuleValidationException
@@ -56,7 +55,7 @@ def _get_meta_info(self, rule: dict, source_mapping_ids: list[str]) -> MetaInfoC
5655
mitre_attack=self.parse_mitre_attack(rule.get("tags", [])),
5756
severity=rule.get("level"),
5857
status=rule.get("status"),
59-
tags=sorted(set(rule.get("tags")or [])),
58+
tags=sorted(set(rule.get("tags", []))),
6059
false_positives=self.__parse_false_positives(rule.get("falsepositives")),
6160
source_mapping_ids=source_mapping_ids,
6261
)

‎translator/app/translator/platforms/splunk/renders/splunk_alert.py‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -43,9 +43,10 @@ class SplunkAlertRender(SplunkQueryRender):
4343
def__create_mitre_threat(meta_info:MetaInfoContainer)->dict:
4444
techniques= {"mitre_attack": []}
4545

46-
fortechniqueinmeta_info.mitre_attack.get("techniques", []):
46+
fortechniqueinmeta_info.mitre_attack.get("techniques"):
4747
techniques["mitre_attack"].append(technique["technique_id"])
4848

49+
techniques["mitre_attack"].sort()
4950
returntechniques
5051

5152
deffinalize_query(

‎translator/server.py‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -20,7 +20,7 @@
2020

2121

2222
if__name__=="__main__":
23-
host=os.environ.get("HOST","127.0.0.1")
23+
host=os.environ.get("HOST","0.0.0.0")
2424
port=os.environ.get("PORT","8000")
2525
ifnotport.isnumeric():
2626
raiseException("Port should be a number!")

‎update_local_mitre.py‎

Lines changed: 13 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,13 @@
1+
importjson
2+
importos
3+
4+
fromtranslator.app.translator.core.mitreimportMitreConfig
5+
fromtranslator.constimportROOT_PROJECT_PATH
6+
7+
mitre_config=MitreConfig()
8+
mitre_config.update_mitre_config()
9+
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/tactics.json"),"w")asfile:
10+
json.dump(mitre_config.tactics,file,indent=4)
11+
12+
withopen(os.path.join(ROOT_PROJECT_PATH,"app/dictionaries/techniques.json"),"w")asfile:
13+
json.dump(mitre_config.techniques,file,indent=4)

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