opencti_intrusion_set.py

# coding: utf-8

import json
import uuid

from stix2.canonicalization.Canonicalize import canonicalize


class IntrusionSet:
    def __init__(self, opencti):
        self.opencti = opencti
        self.properties = """
            id
            standard_id
            entity_type
            parent_types
            spec_version
            created_at
            updated_at
            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
                }
            }
            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
            first_seen
            last_seen
            goals
            resource_level
            primary_motivation
            secondary_motivations
        """
        self.properties_with_files = """
            id
            standard_id
            entity_type
            parent_types
            spec_version
            created_at
            updated_at
            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
                }
            }
            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
            first_seen
            last_seen
            goals
            resource_level
            primary_motivation
            secondary_motivations
            importFiles {
                edges {
                    node {
                        id
                        name
                        size
                        metaData {
                            mimetype
                            version
                        }
                    }
                }
            }
        """

    @staticmethod
    def generate_id(name):
        name = name.lower().strip()
        data = {"name": name}
        data = canonicalize(data, utf8=False)
        id = str(uuid.uuid5(uuid.UUID("00abedb4-aa42-466c-9c01-fed23315a9b7"), data))
        return "intrusion-set--" + id

    """
        List Intrusion-Set objects

        :param filters: the filters to apply
        :param search: the search keyword
        :param first: return the first n rows from the after ID (or the beginning if not set)
        :param after: ID of the first row for pagination
        :return List of Intrusion-Set objects
    """

    def list(self, **kwargs):
        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)
        if get_all:
            first = 500

        self.opencti.app_logger.info(
            "Listing Intrusion-Sets with filters", {"filters": json.dumps(filters)}
        )
        query = (
            """
            query IntrusionSets($filters: FilterGroup, $search: String, $first: Int, $after: ID, $orderBy: IntrusionSetsOrdering, $orderMode: OrderingMode) {
                intrusionSets(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,
            },
        )
        return self.opencti.process_multiple(
            result["data"]["intrusionSets"], with_pagination
        )

    """
        Read a Intrusion-Set object

        :param id: the id of the Intrusion-Set
        :param filters: the filters to apply if no id provided
        :return Intrusion-Set object
    """

    def read(self, **kwargs):
        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 Intrusion-Set", {"id": id})
            query = (
                """
                query IntrusionSet($id: String!) {
                    intrusionSet(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"]["intrusionSet"])
        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_intrusion_set] Missing parameters: id or filters"
            )
            return None

    """
        Create a Intrusion-Set object

        :param name: the name of the Intrusion Set
        :return Intrusion-Set object
    """

    def create(self, **kwargs):
        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)
        first_seen = kwargs.get("first_seen", None)
        last_seen = kwargs.get("last_seen", None)
        goals = kwargs.get("goals", None)
        resource_level = kwargs.get("resource_level", None)
        primary_motivation = kwargs.get("primary_motivation", None)
        secondary_motivations = kwargs.get("secondary_motivations", None)
        x_opencti_stix_ids = kwargs.get("x_opencti_stix_ids", None)
        granted_refs = kwargs.get("objectOrganization", None)
        update = kwargs.get("update", False)

        if name is not None:
            self.opencti.app_logger.info("Creating Intrusion-Set", {"name": name})
            query = """
                mutation IntrusionSetAdd($input: IntrusionSetAddInput!) {
                    intrusionSetAdd(input: $input) {
                        id
                        standard_id
                        entity_type
                        parent_types
                    }
                }
            """
            result = self.opencti.query(
                query,
                {
                    "input": {
                        "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,
                        "first_seen": first_seen,
                        "last_seen": last_seen,
                        "goals": goals,
                        "resource_level": resource_level,
                        "primary_motivation": primary_motivation,
                        "secondary_motivations": secondary_motivations,
                        "x_opencti_stix_ids": x_opencti_stix_ids,
                        "update": update,
                    }
                },
            )
            return self.opencti.process_multiple_fields(
                result["data"]["intrusionSetAdd"]
            )
        else:
            self.opencti.app_logger.error(
                "[opencti_intrusion_set] Missing parameters: name and description"
            )

    """
        Import an Intrusion-Set object from a STIX2 object

        :param stixObject: the Stix-Object Intrusion-Set
        :return Intrusion-Set object
    """

    def import_from_stix2(self, **kwargs):
        stix_object = kwargs.get("stixObject", None)
        extras = kwargs.get("extras", {})
        update = kwargs.get("update", False)
        if stix_object is not None:
            # Search in extensions
            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)
                )

            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),
                first_seen=(
                    stix_object["first_seen"] if "first_seen" in stix_object else None
                ),
                last_seen=(
                    stix_object["last_seen"] if "last_seen" in stix_object else None
                ),
                goals=stix_object["goals"] if "goals" in stix_object else None,
                resource_level=(
                    stix_object["resource_level"]
                    if "resource_level" in stix_object
                    else None
                ),
                primary_motivation=(
                    stix_object["primary_motivation"]
                    if "primary_motivation" in stix_object
                    else None
                ),
                secondary_motivations=(
                    stix_object["secondary_motivations"]
                    if "secondary_motivations" in stix_object
                    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
                ),
                update=update,
            )
        else:
            self.opencti.app_logger.error(
                "[opencti_intrusion_set] Missing parameters: stixObject"
            )