Source code for pycti.entities.opencti_attack_pattern

# coding: utf-8

import json
import uuid

from stix2.canonicalization.Canonicalize import canonicalize


[docs] class AttackPattern: """Main AttackPattern class for OpenCTI Manages MITRE ATT&CK patterns and techniques in the OpenCTI platform. :param opencti: instance of :py:class:`~pycti.api.opencti_api_client.OpenCTIApiClient` :type opencti: OpenCTIApiClient """
[docs] def __init__(self, opencti): """Initialize the AttackPattern instance. :param opencti: OpenCTI API client instance :type opencti: OpenCTIApiClient """
[docs] self.opencti = opencti
[docs] self.properties = """ id standard_id entity_type parent_types spec_version created_at updated_at status { id template { id name color } } createdBy { ... on Identity { id standard_id entity_type parent_types spec_version identity_class name description roles contact_information x_opencti_aliases created modified objectLabel { id value color } } ... on Organization { x_opencti_organization_type x_opencti_reliability } ... on Individual { x_opencti_firstname x_opencti_lastname } } objectOrganization { id standard_id name } objectMarking { id standard_id entity_type definition_type definition created modified x_opencti_order x_opencti_color } objectLabel { id value color } externalReferences { edges { node { id standard_id entity_type source_name description url hash external_id created modified } } } revoked confidence created modified name description aliases x_mitre_platforms x_mitre_permissions_required x_mitre_detection x_mitre_id killChainPhases { id standard_id entity_type kill_chain_name phase_name x_opencti_order created modified } """
[docs] self.properties_with_files = """ id standard_id entity_type parent_types spec_version created_at updated_at status { id template { id name color } } createdBy { ... on Identity { id standard_id entity_type parent_types spec_version identity_class name description roles contact_information x_opencti_aliases created modified objectLabel { id value color } } ... on Organization { x_opencti_organization_type x_opencti_reliability } ... on Individual { x_opencti_firstname x_opencti_lastname } } objectOrganization { id standard_id name } objectMarking { id standard_id entity_type definition_type definition created modified x_opencti_order x_opencti_color } objectLabel { id value color } externalReferences { edges { node { id standard_id entity_type source_name description url hash external_id created modified importFiles { edges { node { id name size metaData { mimetype version } } } } } } } revoked confidence created modified name description aliases x_mitre_platforms x_mitre_permissions_required x_mitre_detection x_mitre_id killChainPhases { id standard_id entity_type kill_chain_name phase_name x_opencti_order created modified } importFiles { edges { node { id name size metaData { mimetype version } objectMarking { id standard_id entity_type definition_type definition created modified x_opencti_order x_opencti_color } } } } """
@staticmethod
[docs] def generate_id(name, x_mitre_id=None): """Generate a STIX ID for an Attack Pattern. :param name: The name of the attack pattern :type name: str :param x_mitre_id: Optional MITRE ATT&CK ID :type x_mitre_id: str or None :return: STIX ID for the attack pattern :rtype: str """ normalized_mitre_id = ( x_mitre_id.lower().strip() if x_mitre_id is not None else "" ) if normalized_mitre_id: data = {"x_mitre_id": normalized_mitre_id} else: data = {"name": name.lower().strip()} data = canonicalize(data, utf8=False) id = str(uuid.uuid5(uuid.UUID("00abedb4-aa42-466c-9c01-fed23315a9b7"), data)) return "attack-pattern--" + id
@staticmethod
[docs] def generate_id_from_data(data): """Generate a STIX ID from attack pattern data. :param data: Dictionary containing 'name' and optionally 'x_mitre_id' keys :type data: dict :return: STIX ID for the attack pattern :rtype: str """ external_id = data.get("x_mitre_id") or data.get("x_opencti_external_id") return AttackPattern.generate_id(data.get("name"), external_id)
[docs] def list(self, **kwargs): """List Attack Pattern objects. :param filters: the filters to apply :type filters: dict :param search: the search keyword :type search: str :param first: return the first n rows from the after ID (or the beginning if not set) :type first: int :param after: ID of the first row for pagination :type after: str :param orderBy: field to order results by :type orderBy: str :param orderMode: ordering mode (asc/desc) :type orderMode: str :param customAttributes: custom attributes to return :type customAttributes: str :param getAll: whether to retrieve all results :type getAll: bool :param withPagination: whether to include pagination info :type withPagination: bool :param withFiles: whether to include files :type withFiles: bool :return: List of Attack Pattern objects :rtype: list """ filters = kwargs.get("filters", None) search = kwargs.get("search", None) first = kwargs.get("first", 500) after = kwargs.get("after", None) order_by = kwargs.get("orderBy", None) order_mode = kwargs.get("orderMode", None) custom_attributes = kwargs.get("customAttributes", None) get_all = kwargs.get("getAll", False) with_pagination = kwargs.get("withPagination", False) with_files = kwargs.get("withFiles", False) self.opencti.app_logger.info( "Listing Attack-Patterns with filters", {"filters": json.dumps(filters)} ) query = ( """ query AttackPatterns($filters: FilterGroup, $search: String, $first: Int, $after: ID, $orderBy: AttackPatternsOrdering, $orderMode: OrderingMode) { attackPatterns(filters: $filters, search: $search, first: $first, after: $after, orderBy: $orderBy, orderMode: $orderMode) { edges { node { """ + ( custom_attributes if custom_attributes is not None else (self.properties_with_files if with_files else self.properties) ) + """ } } pageInfo { startCursor endCursor hasNextPage hasPreviousPage globalCount } } } """ ) result = self.opencti.query( query, { "filters": filters, "search": search, "first": first, "after": after, "orderBy": order_by, "orderMode": order_mode, }, ) if get_all: final_data = [] data = self.opencti.process_multiple(result["data"]["attackPatterns"]) final_data = final_data + data while result["data"]["attackPatterns"]["pageInfo"]["hasNextPage"]: after = result["data"]["attackPatterns"]["pageInfo"]["endCursor"] self.opencti.app_logger.info( "Listing Attack-Patterns", {"after": after} ) result = self.opencti.query( query, { "filters": filters, "search": search, "first": first, "after": after, "orderBy": order_by, "orderMode": order_mode, }, ) data = self.opencti.process_multiple(result["data"]["attackPatterns"]) final_data = final_data + data return final_data else: return self.opencti.process_multiple( result["data"]["attackPatterns"], with_pagination )
[docs] def read(self, **kwargs): """Read an Attack Pattern object. :param id: the id of the Attack Pattern :type id: str :param filters: the filters to apply if no id provided :type filters: dict :param customAttributes: custom attributes to return :type customAttributes: str :param withFiles: whether to include files :type withFiles: bool :return: Attack Pattern object :rtype: dict or None """ id = kwargs.get("id", None) filters = kwargs.get("filters", None) custom_attributes = kwargs.get("customAttributes", None) with_files = kwargs.get("withFiles", False) if id is not None: self.opencti.app_logger.info("Reading Attack-Pattern", {"id": id}) query = ( """ query AttackPattern($id: String!) { attackPattern(id: $id) { """ + ( custom_attributes if custom_attributes is not None else (self.properties_with_files if with_files else self.properties) ) + """ } } """ ) result = self.opencti.query(query, {"id": id}) return self.opencti.process_multiple_fields(result["data"]["attackPattern"]) elif filters is not None: result = self.list(filters=filters) if len(result) > 0: return result[0] else: return None else: self.opencti.app_logger.error( "[opencti_attack_pattern] Missing parameters: id or filters" ) return None
[docs] def create(self, **kwargs): """Create an Attack Pattern object. :param stix_id: (optional) the STIX ID :type stix_id: str :param createdBy: (optional) the author ID :type createdBy: str :param objectMarking: (optional) list of marking definition IDs :type objectMarking: list :param objectLabel: (optional) list of label IDs :type objectLabel: list :param externalReferences: (optional) list of external reference IDs :type externalReferences: list :param revoked: (optional) whether the attack pattern is revoked :type revoked: bool :param confidence: (optional) confidence level (0-100) :type confidence: int :param lang: (optional) language :type lang: str :param created: (optional) creation date :type created: str :param modified: (optional) modification date :type modified: str :param name: the name of the Attack Pattern (required) :type name: str :param description: (optional) description :type description: str :param aliases: (optional) list of aliases :type aliases: list :param x_mitre_platforms: (optional) list of MITRE platforms :type x_mitre_platforms: list :param x_mitre_permissions_required: (optional) list of required permissions :type x_mitre_permissions_required: list :param x_mitre_detection: (optional) detection guidance :type x_mitre_detection: str :param x_mitre_id: (optional) MITRE ATT&CK ID :type x_mitre_id: str :param killChainPhases: (optional) list of kill chain phase IDs :type killChainPhases: list :param x_opencti_stix_ids: (optional) list of additional STIX IDs :type x_opencti_stix_ids: list :param objectOrganization: (optional) list of organization IDs :type objectOrganization: list :param x_opencti_workflow_id: (optional) workflow ID :type x_opencti_workflow_id: str :param x_opencti_modified_at: (optional) custom modification date :type x_opencti_modified_at: str :param update: (optional) whether to update if exists (default: False) :type update: bool :param files: (optional) list of File objects to attach :type files: list :param filesMarkings: (optional) list of lists of marking definition IDs for each file :type filesMarkings: list :return: Attack Pattern object :rtype: dict or None """ stix_id = kwargs.get("stix_id", None) created_by = kwargs.get("createdBy", None) object_marking = kwargs.get("objectMarking", None) object_label = kwargs.get("objectLabel", None) external_references = kwargs.get("externalReferences", None) revoked = kwargs.get("revoked", None) confidence = kwargs.get("confidence", None) lang = kwargs.get("lang", None) created = kwargs.get("created", None) modified = kwargs.get("modified", None) name = kwargs.get("name", None) description = kwargs.get("description", None) aliases = kwargs.get("aliases", None) x_mitre_platforms = kwargs.get("x_mitre_platforms", None) x_mitre_permissions_required = kwargs.get("x_mitre_permissions_required", None) x_mitre_detection = kwargs.get("x_mitre_detection", None) x_mitre_id = kwargs.get("x_mitre_id", None) kill_chain_phases = kwargs.get("killChainPhases", None) x_opencti_stix_ids = kwargs.get("x_opencti_stix_ids", None) granted_refs = kwargs.get("objectOrganization", None) x_opencti_workflow_id = kwargs.get("x_opencti_workflow_id", None) x_opencti_modified_at = kwargs.get("x_opencti_modified_at", None) update = kwargs.get("update", False) files = kwargs.get("files", None) files_markings = kwargs.get("filesMarkings", None) no_trigger_import = kwargs.get("noTriggerImport", None) embedded = kwargs.get("embedded", None) upsert_operations = kwargs.get("upsert_operations", None) if name is not None: self.opencti.app_logger.info("Creating Attack-Pattern", {"name": name}) query = """ mutation AttackPatternAdd($input: AttackPatternAddInput!) { attackPatternAdd(input: $input) { id standard_id entity_type parent_types } } """ input_variables = { "stix_id": stix_id, "createdBy": created_by, "objectMarking": object_marking, "objectLabel": object_label, "objectOrganization": granted_refs, "externalReferences": external_references, "revoked": revoked, "confidence": confidence, "lang": lang, "created": created, "modified": modified, "name": name, "description": description, "aliases": aliases, "x_mitre_platforms": x_mitre_platforms, "x_mitre_permissions_required": x_mitre_permissions_required, "x_mitre_detection": x_mitre_detection, "x_mitre_id": x_mitre_id, "killChainPhases": kill_chain_phases, "x_opencti_stix_ids": x_opencti_stix_ids, "x_opencti_workflow_id": x_opencti_workflow_id, "x_opencti_modified_at": x_opencti_modified_at, "update": update, "files": files, "filesMarkings": files_markings, "noTriggerImport": no_trigger_import, "embedded": embedded, "upsertOperations": upsert_operations, } result = self.opencti.query(query, {"input": input_variables}) return self.opencti.process_multiple_fields( result["data"]["attackPatternAdd"] ) else: self.opencti.app_logger.error( "[opencti_attack_pattern] Missing parameters: name" ) return None
[docs] def import_from_stix2(self, **kwargs): """Import an Attack Pattern object from a STIX2 object. :param stixObject: the STIX2 Attack Pattern object :type stixObject: dict :param extras: extra parameters including created_by_id, object_marking_ids, etc. :type extras: dict :param update: whether to update if the entity already exists :type update: bool :return: Attack Pattern object :rtype: dict or None """ stix_object = kwargs.get("stixObject", None) extras = kwargs.get("extras", {}) update = kwargs.get("update", False) if stix_object is not None: # Extract external ID x_mitre_id = None if "x_mitre_id" in stix_object: x_mitre_id = stix_object["x_mitre_id"] elif ( self.opencti.get_attribute_in_mitre_extension("id", stix_object) is not None ): x_mitre_id = self.opencti.get_attribute_in_mitre_extension( "id", stix_object ) elif "external_references" in stix_object: for external_reference in stix_object["external_references"]: if external_reference["source_name"].startswith("mitre-"): x_mitre_id = ( external_reference["external_id"] if "external_id" in external_reference else None ) # Search in extensions if "x_opencti_order" not in stix_object: stix_object["x_opencti_order"] = ( self.opencti.get_attribute_in_extension("order", stix_object) if self.opencti.get_attribute_in_extension("order", stix_object) is not None else 0 ) if "x_mitre_platforms" not in stix_object: stix_object["x_mitre_platforms"] = ( self.opencti.get_attribute_in_mitre_extension( "platforms", stix_object ) ) if "x_mitre_permissions_required" not in stix_object: stix_object["x_mitre_permissions_required"] = ( self.opencti.get_attribute_in_mitre_extension( "permissions_required", stix_object ) ) if "x_mitre_detection" not in stix_object: stix_object["x_mitre_detection"] = ( self.opencti.get_attribute_in_mitre_extension( "detection", stix_object ) ) if "x_opencti_stix_ids" not in stix_object: stix_object["x_opencti_stix_ids"] = ( self.opencti.get_attribute_in_extension("stix_ids", stix_object) ) if "x_opencti_granted_refs" not in stix_object: stix_object["x_opencti_granted_refs"] = ( self.opencti.get_attribute_in_extension("granted_refs", stix_object) ) if "x_opencti_workflow_id" not in stix_object: stix_object["x_opencti_workflow_id"] = ( self.opencti.get_attribute_in_extension("workflow_id", stix_object) ) if "x_opencti_modified_at" not in stix_object: stix_object["x_opencti_modified_at"] = ( self.opencti.get_attribute_in_extension("modified_at", stix_object) ) if "opencti_upsert_operations" not in stix_object: stix_object["opencti_upsert_operations"] = ( self.opencti.get_attribute_in_extension( "opencti_upsert_operations", stix_object ) ) return self.create( stix_id=stix_object["id"], createdBy=( extras["created_by_id"] if "created_by_id" in extras else None ), objectMarking=( extras["object_marking_ids"] if "object_marking_ids" in extras else None ), objectLabel=( extras["object_label_ids"] if "object_label_ids" in extras else None ), externalReferences=( extras["external_references_ids"] if "external_references_ids" in extras else None ), revoked=stix_object["revoked"] if "revoked" in stix_object else None, confidence=( stix_object["confidence"] if "confidence" in stix_object else None ), lang=stix_object["lang"] if "lang" in stix_object else None, created=stix_object["created"] if "created" in stix_object else None, modified=stix_object["modified"] if "modified" in stix_object else None, name=stix_object["name"], description=( self.opencti.stix2.convert_markdown(stix_object["description"]) if "description" in stix_object else None ), aliases=self.opencti.stix2.pick_aliases(stix_object), x_mitre_platforms=( stix_object["x_mitre_platforms"] if "x_mitre_platforms" in stix_object else ( stix_object["x_amitt_platforms"] if "x_amitt_platforms" in stix_object else None ) ), x_mitre_permissions_required=( stix_object["x_mitre_permissions_required"] if "x_mitre_permissions_required" in stix_object else None ), x_mitre_detection=( stix_object["x_mitre_detection"] if "x_mitre_detection" in stix_object else None ), x_mitre_id=x_mitre_id, killChainPhases=( extras["kill_chain_phases_ids"] if "kill_chain_phases_ids" in extras else None ), x_opencti_stix_ids=( stix_object["x_opencti_stix_ids"] if "x_opencti_stix_ids" in stix_object else None ), objectOrganization=( stix_object["x_opencti_granted_refs"] if "x_opencti_granted_refs" in stix_object else None ), x_opencti_workflow_id=( stix_object["x_opencti_workflow_id"] if "x_opencti_workflow_id" in stix_object else None ), x_opencti_modified_at=( stix_object["x_opencti_modified_at"] if "x_opencti_modified_at" in stix_object else None ), update=update, files=extras.get("files"), filesMarkings=extras.get("filesMarkings"), noTriggerImport=extras.get("noTriggerImport", None), embedded=extras.get("embedded", None), upsert_operations=( stix_object["opencti_upsert_operations"] if "opencti_upsert_operations" in stix_object else None ), ) else: self.opencti.app_logger.error( "[opencti_attack_pattern] Missing parameters: stixObject" ) return None
[docs] def delete(self, **kwargs): """Delete an Attack Pattern object. :param id: the id of the Attack Pattern to delete :type id: str :return: None """ id = kwargs.get("id", None) if id is not None: self.opencti.app_logger.info("Deleting Attack Pattern", {"id": id}) query = """ mutation AttackPatternEdit($id: ID!) { attackPatternEdit(id: $id) { delete } } """ self.opencti.query(query, {"id": id}) else: self.opencti.app_logger.error( "[opencti_attack_pattern] Missing parameters: id" ) return None