# coding: utf-8
import json
import uuid
from stix2.canonicalization.Canonicalize import canonicalize
[docs]
class MalwareAnalysis:
"""Main MalwareAnalysis class for OpenCTI
Manages malware analysis reports and results 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 MalwareAnalysis instance.
:param opencti: OpenCTI API client instance
:type opencti: OpenCTIApiClient
"""
[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
product
result_name
result
submitted
analysis_started
analysis_ended
version
configuration_version
analysis_engine_version
analysis_definition_version
modules
"""
[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
product
result_name
result
submitted
analysis_started
analysis_ended
version
configuration_version
analysis_engine_version
analysis_definition_version
modules
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(result_name, product=None, submitted=None):
"""Generate a STIX ID for a Malware Analysis.
:param result_name: the result name of the analysis
:type result_name: str
:param product: the product that performed the analysis (optional)
:type product: str
:param submitted: the submission date (optional)
:type submitted: str
:return: STIX ID for the Malware Analysis
:rtype: str
"""
result_name = result_name.lower().strip()
data = {"result_name": result_name, "product": product}
if submitted is not None:
data = {**data, "submitted": submitted}
data = canonicalize(data, utf8=False)
id = str(uuid.uuid5(uuid.UUID("00abedb4-aa42-466c-9c01-fed23315a9b7"), data))
return "malware-analysis--" + id
@staticmethod
[docs]
def generate_id_from_data(data):
"""Generate a STIX ID from Malware Analysis data.
:param data: Dictionary containing 'result_name', 'product', and optionally 'submitted' keys
:type data: dict
:return: STIX ID for the Malware Analysis
:rtype: str
"""
return MalwareAnalysis.generate_id(
data["result_name"], data["product"], data.get("submitted")
)
[docs]
def list(self, **kwargs):
"""List Malware analysis 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
:return: List of MalwareAnalysis 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 Malware analyses with filters", {"filters": json.dumps(filters)}
)
query = (
"""
query MalwareAnalyses($filters: FilterGroup, $search: String, $first: Int, $after: ID, $orderBy: MalwareAnalysesOrdering, $orderMode: OrderingMode) {
malwareAnalyses(filters: $filters, search: $search, first: $first, after: $after, orderBy: $orderBy, orderMode: $orderMode) {
edges {
node {
"""
+ (
custom_attributes
if custom_attributes is not None
else (self.properties_with_files if with_files else self.properties)
)
+ """
}
}
pageInfo {
startCursor
endCursor
hasNextPage
hasPreviousPage
globalCount
}
}
}
"""
)
result = self.opencti.query(
query,
{
"filters": filters,
"search": search,
"first": first,
"after": after,
"orderBy": order_by,
"orderMode": order_mode,
},
)
if get_all:
final_data = []
data = self.opencti.process_multiple(result["data"]["malwareAnalyses"])
final_data = final_data + data
while result["data"]["malwareAnalyses"]["pageInfo"]["hasNextPage"]:
after = result["data"]["malwareAnalyses"]["pageInfo"]["endCursor"]
self.opencti.app_logger.debug(
"Listing Malware analyses", {"after": after}
)
result = self.opencti.query(
query,
{
"filters": filters,
"search": search,
"first": first,
"after": after,
"orderBy": order_by,
"orderMode": order_mode,
},
)
data = self.opencti.process_multiple(result["data"]["malwareAnalyses"])
final_data = final_data + data
return final_data
else:
return self.opencti.process_multiple(
result["data"]["malwareAnalyses"], with_pagination
)
[docs]
def read(self, **kwargs):
"""Read a Malware analysis object.
:param id: the id of the Malware analysis
:type id: str
:param filters: the filters to apply if no id provided
:type filters: dict
:return: Malware analysis object
:rtype: dict or None
"""
id = kwargs.get("id", None)
filters = kwargs.get("filters", None)
custom_attributes = kwargs.get("customAttributes", None)
with_files = kwargs.get("withFiles", False)
if id is not None:
self.opencti.app_logger.info("Reading Malware analysis", {"id": id})
query = (
"""
query MalwareAnalysis($id: String!) {
malwareAnalysis(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"]["malwareAnalysis"]
)
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_malware_analysis] Missing parameters: id or filters"
)
return None
[docs]
def create(self, **kwargs):
"""Create a Malware analysis object.
:param product: the product that performed the analysis (required)
:type product: str
:param result_name: the result name of the analysis (required)
:type result_name: str
: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 malware analysis 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 result: (optional) result of the analysis
:type result: str
:param submitted: (optional) submission date
:type submitted: str
:param analysis_started: (optional) analysis start date
:type analysis_started: str
:param analysis_ended: (optional) analysis end date
:type analysis_ended: str
:param version: (optional) version of the analysis
:type version: str
:param configuration_version: (optional) configuration version
:type configuration_version: str
:param analysis_engine_version: (optional) analysis engine version
:type analysis_engine_version: str
:param analysis_definition_version: (optional) analysis definition version
:type analysis_definition_version: str
:param modules: (optional) list of analysis modules
:type modules: list
:param hostVm: (optional) host VM reference ID
:type hostVm: str
:param operatingSystem: (optional) operating system reference ID
:type operatingSystem: str
:param installedSoftware: (optional) list of installed software reference IDs
:type installedSoftware: list
:param sample: (optional) sample reference ID
:type sample: str
:param analysisSco: (optional) list of analysis SCO reference IDs
:type analysisSco: 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: Malware analysis 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)
product = kwargs.get("product", None)
result_name = kwargs.get("result_name", None)
result = kwargs.get("result", None)
submitted = kwargs.get("submitted", None)
analysis_started = kwargs.get("analysis_started", None)
analysis_ended = kwargs.get("analysis_ended", None)
version = kwargs.get("version", None)
configuration_version = kwargs.get("configuration_version", None)
analysis_engine_version = kwargs.get("analysis_engine_version", None)
analysis_definition_version = kwargs.get("analysis_definition_version", None)
modules = kwargs.get("modules", None)
hostVm = kwargs.get("hostVm", None)
operatingSystem = kwargs.get("operatingSystem", None)
installedSoftware = kwargs.get("installedSoftware", None)
sample = kwargs.get("sample", None)
analysisSco = kwargs.get("analysisSco", 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 product is not None and result_name is not None:
self.opencti.app_logger.info(
"Creating Malware analysis", {"product": product}
)
query = """
mutation MalwareAnalysisAdd($input: MalwareAnalysisAddInput!) {
malwareAnalysisAdd(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,
"product": product,
"result_name": result_name,
"result": result,
"submitted": submitted,
"analysis_started": analysis_started,
"analysis_ended": analysis_ended,
"version": version,
"configuration_version": configuration_version,
"analysis_engine_version": analysis_engine_version,
"analysis_definition_version": analysis_definition_version,
"modules": modules,
"hostVm": hostVm,
"operatingSystem": operatingSystem,
"installedSoftware": installedSoftware,
"analysisSample": sample,
"analysisSco": analysisSco,
"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,
}
},
)
return self.opencti.process_multiple_fields(
result["data"]["malwareAnalysisAdd"]
)
else:
self.opencti.app_logger.error(
"[opencti_malware_analysis] Missing parameters: product and result_name"
)
return None
[docs]
def import_from_stix2(self, **kwargs):
"""Import a Malware analysis object from a STIX2 object.
:param stixObject: the Stix-Object Malware analysis
:type stixObject: dict
:param extras: additional parameters like created_by_id, object_marking_ids
:type extras: dict
:param update: whether to update existing object
:type update: bool
:return: Malware analysis 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:
# 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)
)
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,
product=stix_object["product"] if "product" in stix_object else None,
result_name=(
stix_object["result_name"] if "result_name" in stix_object else None
),
result=stix_object["result"] if "result" in stix_object else None,
submitted=(
stix_object["submitted"] if "submitted" in stix_object else None
),
analysis_started=(
stix_object["analysis_started"]
if "analysis_started" in stix_object
else None
),
analysis_ended=(
stix_object["analysis_ended"]
if "analysis_ended" in stix_object
else None
),
version=stix_object["version"] if "version" in stix_object else None,
configuration_version=(
stix_object["configuration_version"]
if "configuration_version" in stix_object
else None
),
analysis_engine_version=(
stix_object["analysis_engine_version"]
if "analysis_engine_version" in stix_object
else None
),
analysis_definition_version=(
stix_object["analysis_definition_version"]
if "analysis_definition_version" in stix_object
else None
),
operatingSystem=(
stix_object["operating_system_ref"]
if "operating_system_ref" in stix_object
else None
),
analysisSco=(
stix_object["analysis_sco_refs"]
if "analysis_sco_refs" in stix_object
else None
),
hostVm=(
stix_object["host_vm_ref"] if "host_vm_ref" in stix_object else None
),
installedSoftware=(
stix_object["installed_software_refs"]
if "installed_software_refs" in stix_object
else None
),
sample=(
stix_object["sample_ref"] if "sample_ref" in stix_object else None
),
modules=stix_object["modules"] if "modules" 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
),
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_malware_analysis] Missing parameters: stixObject"
)
return None