Merge branch 'main' into gis-8502

Author: nazargesyk

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

@@ -116,7 +116,7 @@ def prepare_mapping(self) -> dict[str, SourceMapping]:
         default_mapping = SourceMapping(source_id=DEFAULT_MAPPING_NAME)
         for mapping_dict in self._loader.load_platform_mappings(self._platform_dir):
             log_source_signature = self.prepare_log_source_signature(mapping=mapping_dict)
-            if (source_id := mapping_dict["source"]) == DEFAULT_MAPPING_NAME:
+            if (source_id := mapping_dict.get("source")) == DEFAULT_MAPPING_NAME:
                 default_mapping.log_source_signature = log_source_signature
                 if self.skip_load_default_mappings:
                     continue

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

@@ -189,7 +189,7 @@ def __load_mitre_configs_from_files(self) -> None:
                         technique_id=technique_data["technique_id"],
                         name=technique_data["technique"],
                         url=technique_data["url"],
-                        tactic=technique_data["tactic"],
+                        tactic=technique_data.get("tactic", []),
                     )
                     self.techniques.insert(technique_id, technique)
         except JSONDecodeError:

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

@@ -83,4 +83,3 @@ def get_source_mappings(
         source_mappings = self.mappings.get_suitable_source_mappings(field_names=field_names, log_sources=log_sources)
         self.tokenizer.set_field_tokens_generic_names_map(field_tokens, source_mappings, self.mappings.default_mapping)
         return source_mappings
-

uncoder-core/app/translator/platforms/base/aql/mapping.py

@@ -48,7 +48,7 @@ class AQLMappings(BasePlatformMappings):
 
     def prepare_log_source_signature(self, mapping: dict) -> AQLLogSourceSignature:
         log_source = mapping.get("log_source", {})
-        default_log_source = mapping["default_log_source"]
+        default_log_source = mapping.get("default_log_source")
         return AQLLogSourceSignature(
             device_types=log_source.get("devicetype"),
             categories=log_source.get("category"),

uncoder-core/app/translator/platforms/base/spl/str_value_manager.py

@@ -0,0 +1,55 @@
+"""
+Uncoder IO Community Edition License
+-----------------------------------------------------------------
+Copyright (c) 2023 SOC Prime, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-----------------------------------------------------------------
+"""
+from typing import ClassVar
+
+from app.translator.core.str_value_manager import BaseSpecSymbol, StrValue, StrValueManager, UnboundLenWildCard
+from app.translator.platforms.base.spl.escape_manager import spl_escape_manager
+
+
+class SplStrValueManager(StrValueManager):
+    escape_manager = spl_escape_manager
+    str_spec_symbols_map: ClassVar[dict[str, type[BaseSpecSymbol]]] = {"*": UnboundLenWildCard}
+
+    def from_str_to_container(self, value: str) -> StrValue:
+        split = []
+        prev_char = None
+        for char in value:
+            if char == "\\":
+                if prev_char == "\\":
+                    split.append("\\")
+                    prev_char = None
+                    continue
+            elif char in self.str_spec_symbols_map:
+                if prev_char == "\\":
+                    split.append(char)
+                else:
+                    split.append(self.str_spec_symbols_map[char]())
+            elif char in ('"', "=", "|", "<", ">"):
+                split.append(char)
+            else:
+                if prev_char == "\\":
+                    split.append(prev_char)
+                split.append(char)
+
+            prev_char = char
+
+        return StrValue(self.escape_manager.remove_escape(value), self._concat(split))
+
+
+spl_str_value_manager = SplStrValueManager()

uncoder-core/app/translator/platforms/sigma/parsers/sigma.py

@@ -18,7 +18,6 @@
 """
 
 from datetime import timedelta
-from re import I
 from typing import Optional, Union
 
 from app.translator.core.exceptions.core import SigmaRuleValidationException

uncoder-core/app/translator/tools/utils.py

@@ -4,6 +4,13 @@
 from typing import Optional
 
 
+def execute_module(path: str) -> None:
+    with suppress(FileNotFoundError):
+        spec = importlib.util.spec_from_file_location("__init__", path)
+        init_module = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(init_module)
+
+
 def execute_module(path: str) -> None:
     with suppress(FileNotFoundError):
         spec = importlib.util.spec_from_file_location("__init__", path)