def load_datasource(base=CTI_BASE):
print("Loading CTI datasources map...")
enterprise_attack_fs = FileSystemSource(
os.path.join(base, "enterprise-attack"))
mobile_attack_fs = FileSystemSource(os.path.join(base, "mobile-attack"))
composite_ds = CompositeDataSource()
composite_ds.add_data_sources([enterprise_attack_fs, mobile_attack_fs])
return composite_ds
def get_map(base=CTI_BASE):
from stix2 import FileSystemSource, CompositeDataSource, Filter
print("Loading CTI attack-pattern map...")
enterprise_attack_fs = FileSystemSource(
os.path.join(base, "enterprise-attack"))
mobile_attack_fs = FileSystemSource(os.path.join(base, "mobile-attack"))
composite_ds = CompositeDataSource()
composite_ds.add_data_sources([enterprise_attack_fs, mobile_attack_fs])
filt = Filter('type', '=', 'attack-pattern')
attack_map = {}
for item in composite_ds.query(filt):
name = item['name']
if item['revoked']:
print(
f"[WARN] Ignored {name.upper()}: This attack-pattern has been revoked."
)
continue
categories = [x['phase_name'] for x in item['kill_chain_phases']]
desc = item['description']
platforms = item['x_mitre_platforms']
attack_id = None
for er in item['external_references']:
if er['source_name'] in [
"mitre-attack", "mobile-mitre-attack",
"mitre-mobile-attack"
]:
attack_id = er['external_id']
if attack_id:
attack_map[attack_id] = {
"name": name,
"categories": categories,
"description": desc,
"platforms": platforms,
"attack_id": attack_id
}
print(f"\tAdding {name.upper()} as ID: {attack_id}")
else:
print(f"[ERR] Ignored {name.upper()}: No attack ID found.")
return attack_map
class attack_client(object):
TC_ENTERPRISE_SOURCE = None
TC_PRE_SOURCE = None
TC_MOBILE_SOURCE = None
COMPOSITE_DS = None
def __init__(self, local_path=None):
if local_path is not None and os.path.isdir(os.path.join(local_path, ENTERPRISE_ATTCK_LOCAL_DIR)) \
and os.path.isdir(os.path.join(local_path, PRE_ATTCK_LOCAL_DIR)) \
and os.path.isdir(os.path.join(local_path, MOBILE_ATTCK_LOCAL_DIR)):
self.TC_ENTERPRISE_SOURCE = FileSystemSource(
os.path.join(local_path, ENTERPRISE_ATTCK_LOCAL_DIR))
self.TC_PRE_SOURCE = FileSystemSource(
os.path.join(local_path, PRE_ATTCK_LOCAL_DIR))
self.TC_MOBILE_SOURCE = FileSystemSource(
os.path.join(local_path, MOBILE_ATTCK_LOCAL_DIR))
else:
ENTERPRISE_COLLECTION = Collection(ATTCK_STIX_COLLECTIONS +
ENTERPRISE_ATTCK + "/")
PRE_COLLECTION = Collection(ATTCK_STIX_COLLECTIONS + PRE_ATTCK +
"/")
MOBILE_COLLECTION = Collection(ATTCK_STIX_COLLECTIONS +
MOBILE_ATTCK + "/")
self.TC_ENTERPRISE_SOURCE = TAXIICollectionSource(
ENTERPRISE_COLLECTION)
self.TC_PRE_SOURCE = TAXIICollectionSource(PRE_COLLECTION)
self.TC_MOBILE_SOURCE = TAXIICollectionSource(MOBILE_COLLECTION)
self.COMPOSITE_DS = CompositeDataSource()
self.COMPOSITE_DS.add_data_sources([
self.TC_ENTERPRISE_SOURCE, self.TC_PRE_SOURCE,
self.TC_MOBILE_SOURCE
])
def translate_stix_objects(self, stix_objects):
technique_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"modified": "modified",
"object_marking_refs": "object_marking_refs",
"name": "technique",
"description": "technique_description",
"kill_chain_phases": "tactic",
"x_mitre_detection": "technique_detection",
"x_mitre_platforms": "platform",
"x_mitre_data_sources": "data_sources",
"x_mitre_defense_bypassed": "defense_bypassed",
"x_mitre_permissions_required": "permissions_required",
"x_mitre_effective_permissions": "effective_permissions",
"x_mitre_system_requirements": "system_requirements",
"x_mitre_network_requirements": "network_requirements",
"x_mitre_remote_support": "remote_support",
"x_mitre_contributors": "contributors",
"x_mitre_detectable_by_common_defenses":
"detectable_by_common_defenses",
"x_mitre_detectable_by_common_defenses_explanation":
"detectable_explanation",
"x_mitre_difficulty_for_adversary": "difficulty_for_adversary",
"x_mitre_difficulty_for_adversary_explanation":
"difficulty_explanation",
"x_mitre_tactic_type": "tactic_type",
"x_mitre_impact_type": "impact_type",
"external_references": "external_references"
}
mitigation_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"modified": "modified",
"name": "mitigation",
"description": "mitigation_description",
"external_references": "external_references",
"x_mitre_old_attack_id": "old_mitigation_id"
}
group_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"modified": "modified",
"name": "group",
"description": "group_description",
"aliases": "group_aliases",
"external_references": "external_references",
"x_mitre_contributors": "contributors"
}
software_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"modified": "modified",
"name": "software",
"description": "software_description",
"labels": "software_labels",
"x_mitre_aliases": "software_aliases",
"x_mitre_platforms": "software_platform",
"external_references": "external_references",
"x_mitre_contributors": "contributors",
"x_mitre_old_attack_id": "old_software_id"
}
relationship_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"modified": "modified",
"relationship_type": "relationship",
"description": "relationship_description",
"source_ref": "source_object",
"target_ref": "target_object"
}
tactic_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"modified": "modified",
"object_marking_refs": "object_marking_refs",
"name": "tactic",
"description": "tactic_description",
"x_mitre_shortname": "tactic_shortname",
"external_references": "external_references"
}
matrix_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"modified": "modified",
"object_marking_refs": "object_marking_refs",
"name": "matrix",
"description": "matrix_description",
"tactic_refs": "tactic_references",
"external_references": "external_references"
}
identity_stix_mapping = {
"type": "type",
"id": "id",
"created_by_ref": "created_by_ref",
"created": "created",
"definition_type": "marking_definition_type",
"definition": "marking_definition"
}
marking_stix_mapping = {
"type": "type",
"id": "id",
"created": "created",
"modified": "modified",
"object_marking_refs": "object_marking_refs",
"name": "identity",
"identity_class": "identity_class"
}
# ******** Helper Functions ********
def handle_list(list_object, object_type):
if object_type == "external_references":
obj_dict['url'] = list_object[0]['url']
obj_dict['matrix'] = list_object[0]['source_name']
if obj_dict['type'] == 'attack-pattern':
for ref in list_object:
if ref['source_name'] == 'capec':
obj_dict['capec_id'] = ref['external_id']
obj_dict['capec_url'] = ref['url']
obj_dict['technique_id'] = list_object[0]['external_id']
elif obj_dict['type'] == 'course-of-action':
obj_dict['mitigation_id'] = list_object[0]['external_id']
elif obj_dict['type'] == 'group':
obj_dict['group_id'] = list_object[0]['external_id']
elif obj_dict['type'] == 'software':
obj_dict['software_id'] = list_object[0]['external_id']
elif obj_dict['type'] == 'tactic':
obj_dict['tactic_id'] = list_object[0]['external_id']
elif obj_dict['type'] == 'matrix':
obj_dict['matrix_id'] = list_object[0]['external_id']
elif object_type == "kill_chain_phases":
tactic_list = list()
for phase in list_object:
tactic_list.append(phase['phase_name'])
obj_dict['tactic'] = tactic_list
stix_objects_list = list()
for obj in stix_objects:
if isinstance(obj, dict):
obj_dict = obj
else:
obj_dict = json.loads(
obj.serialize()) # From STIX to Python Dict
dict_keys = list(obj_dict.keys())
for key in dict_keys:
if obj['type'] == "attack-pattern":
stix_mapping = technique_stix_mapping
elif obj['type'] == "course-of-action":
stix_mapping = mitigation_stix_mapping
elif obj['type'] == "intrusion-set":
stix_mapping = group_stix_mapping
elif obj['type'] == "malware" or obj['type'] == "tool":
stix_mapping = software_stix_mapping
elif obj['type'] == "relationship":
stix_mapping = relationship_stix_mapping
elif obj['type'] == "x-mitre-tactic":
stix_mapping = tactic_stix_mapping
elif obj['type'] == "x-mitre-matrix":
stix_mapping = matrix_stix_mapping
elif obj['type'] == "identity":
stix_mapping = identity_stix_mapping
elif obj['type'] == "marking-definition":
stix_mapping = marking_stix_mapping
else:
exit
if key in stix_mapping.keys():
if key == "external_references" or key == "kill_chain_phases":
handle_list(obj_dict[key], key)
else:
new_key = stix_mapping[key]
obj_dict[new_key] = obj_dict.pop(key)
stix_objects_list.append(obj_dict)
return stix_objects_list
def remove_revoked(self, stix_objects, extract=False):
handle_revoked = list()
for obj in stix_objects:
if 'revoked' in obj.keys() and obj['revoked'] == True:
if extract:
handle_revoked.append(obj)
else:
continue
handle_revoked.append(obj)
return handle_revoked
# ******** Enterprise ATT&CK Technology Domain *******
def get_enterprise(self, stix_format=True):
enterprise_filter_objects = {
"techniques": Filter("type", "=", "attack-pattern"),
"mitigations": Filter("type", "=", "course-of-action"),
"groups": Filter("type", "=", "intrusion-set"),
"malware": Filter("type", "=", "malware"),
"tools": Filter("type", "=", "tool"),
"relationships": Filter("type", "=", "relationship"),
"tactics": Filter("type", "=", "x-mitre-tactic"),
"matrix": Filter("type", "=", "x-mitre-matrix"),
"identity": Filter("type", "=", "identity"),
"marking-definition": Filter("type", "=", "marking-definition")
}
enterprise_stix_objects = {}
for key in enterprise_filter_objects:
enterprise_stix_objects[key] = (self.TC_ENTERPRISE_SOURCE.query(
enterprise_filter_objects[key]))
if not stix_format:
enterprise_stix_objects[key] = self.translate_stix_objects(
enterprise_stix_objects[key])
return enterprise_stix_objects
def get_enterprise_techniques(self, stix_format=True):
enterprise_techniques = self.TC_ENTERPRISE_SOURCE.query(
Filter("type", "=", "attack-pattern"))
if not stix_format:
enterprise_techniques = self.translate_stix_objects(
enterprise_techniques)
return enterprise_techniques
def get_enterprise_mitigations(self, stix_format=True):
enterprise_mitigations = self.TC_ENTERPRISE_SOURCE.query(
Filter("type", "=", "course-of-action"))
if not stix_format:
enterprise_mitigations = self.translate_stix_objects(
enterprise_mitigations)
return enterprise_mitigations
def get_enterprise_groups(self, stix_format=True):
enterprise_groups = self.TC_ENTERPRISE_SOURCE.query(
Filter("type", "=", "intrusion-set"))
if not stix_format:
enterprise_groups = self.translate_stix_objects(enterprise_groups)
return enterprise_groups
def get_enterprise_malware(self, stix_format=True):
enterprise_malware = self.TC_ENTERPRISE_SOURCE.query(
Filter("type", "=", "malware"))
if not stix_format:
enterprise_malware = self.translate_stix_objects(
enterprise_malware)
return enterprise_malware
def get_enterprise_tools(self, stix_format=True):
enterprise_tools = self.TC_ENTERPRISE_SOURCE.query(
Filter("type", "=", "tool"))
if not stix_format:
enterprise_tools = self.translate_stix_objects(enterprise_tools)
return enterprise_tools
def get_enterprise_relationships(self, stix_format=True):
enterprise_relationships = self.TC_ENTERPRISE_SOURCE.query(
Filter("type", "=", "relationship"))
if not stix_format:
enterprise_relationships = self.translate_stix_objects(
enterprise_relationships)
return enterprise_relationships
def get_enterprise_tactics(self, stix_format=True):
enterprise_tactics = self.TC_ENTERPRISE_SOURCE.query(
Filter("type", "=", "x-mitre-tactic"))
if not stix_format:
enterprise_tactics = self.translate_stix_objects(
enterprise_tactics)
return enterprise_tactics
# ******** Pre ATT&CK Domain *******
def get_pre(self, stix_format=True):
pre_filter_objects = {
"techniques": Filter("type", "=", "attack-pattern"),
"groups": Filter("type", "=", "intrusion-set"),
"relationships": Filter("type", "=", "relationship"),
"tactics": Filter("type", "=", "x-mitre-tactic"),
"matrix": Filter("type", "=", "x-mitre-matrix"),
"identity": Filter("type", "=", "identity"),
"marking-definition": Filter("type", "=", "marking-definition")
}
pre_stix_objects = {}
for key in pre_filter_objects:
pre_stix_objects[key] = self.TC_PRE_SOURCE.query(
pre_filter_objects[key])
if not stix_format:
pre_stix_objects[key] = self.translate_stix_objects(
pre_stix_objects[key])
return pre_stix_objects
def get_pre_techniques(self, stix_format=True):
pre_techniques = self.TC_PRE_SOURCE.query(
Filter("type", "=", "attack-pattern"))
if not stix_format:
pre_techniques = self.translate_stix_objects(pre_techniques)
return pre_techniques
def get_pre_groups(self, stix_format=True):
pre_groups = self.TC_PRE_SOURCE.query(
Filter("type", "=", "intrusion-set"))
if not stix_format:
pre_groups = self.translate_stix_objects(pre_groups)
return pre_groups
def get_pre_relationships(self, stix_format=True):
pre_relationships = self.TC_PRE_SOURCE.query(
Filter("type", "=", "relationship"))
if not stix_format:
pre_relationships = self.translate_stix_objects(pre_relationships)
return pre_relationships
def get_pre_tactics(self, stix_format=True):
pre_tactics = self.TC_PRE_SOURCE.query(
Filter("type", "=", "x-mitre-tactic"))
if not stix_format:
pre_tactics = self.translate_stix_objects(pre_tactics)
return pre_tactics
# ******** Mobile ATT&CK Technology Domain *******
def get_mobile(self, stix_format=True):
mobile_filter_objects = {
"techniques": Filter("type", "=", "attack-pattern"),
"mitigations": Filter("type", "=", "course-of-action"),
"groups": Filter("type", "=", "intrusion-set"),
"malware": Filter("type", "=", "malware"),
"tools": Filter("type", "=", "tool"),
"relationships": Filter("type", "=", "relationship"),
"tactics": Filter("type", "=", "x-mitre-tactic"),
"matrix": Filter("type", "=", "x-mitre-matrix"),
"identity": Filter("type", "=", "identity"),
"marking-definition": Filter("type", "=", "marking-definition")
}
mobile_stix_objects = {}
for key in mobile_filter_objects:
mobile_stix_objects[key] = self.TC_MOBILE_SOURCE.query(
mobile_filter_objects[key])
if not stix_format:
mobile_stix_objects[key] = self.translate_stix_objects(
mobile_stix_objects[key])
return mobile_stix_objects
def get_mobile_techniques(self, stix_format=True):
mobile_techniques = self.TC_MOBILE_SOURCE.query(
Filter("type", "=", "attack-pattern"))
if not stix_format:
mobile_techniques = self.translate_stix_objects(mobile_techniques)
return mobile_techniques
def get_mobile_mitigations(self, stix_format=True):
mobile_mitigations = self.TC_MOBILE_SOURCE.query(
Filter("type", "=", "course-of-action"))
if not stix_format:
mobile_mitigations = self.translate_stix_objects(
mobile_mitigations)
return mobile_mitigations
def get_mobile_groups(self, stix_format=True):
mobile_groups = self.TC_MOBILE_SOURCE.query(
Filter("type", "=", "intrusion-set"))
if not stix_format:
mobile_groups = self.translate_stix_objects(mobile_groups)
return mobile_groups
def get_mobile_malware(self, stix_format=True):
mobile_malware = self.TC_MOBILE_SOURCE.query(
Filter("type", "=", "malware"))
if not stix_format:
mobile_malware = self.translate_stix_objects(mobile_malware)
return mobile_malware
def get_mobile_tools(self, stix_format=True):
mobile_tools = self.TC_MOBILE_SOURCE.query(Filter("type", "=", "tool"))
if not stix_format:
mobile_tools = self.translate_stix_objects(mobile_tools)
return mobile_tools
def get_mobile_relationships(self, stix_format=True):
mobile_relationships = self.TC_MOBILE_SOURCE.query(
Filter("type", "=", "relationship"))
if not stix_format:
mobile_relationships = self.translate_stix_objects(
mobile_relationships)
return mobile_relationships
def get_mobile_tactics(self, stix_format=True):
mobile_tactics = self.TC_MOBILE_SOURCE.query(
Filter("type", "=", "x-mitre-tactic"))
if not stix_format:
mobile_tactics = self.translate_stix_objects(mobile_tactics)
return mobile_tactics
# ******** Get All Functions ********
def get_stix_objects(self, stix_format=True):
enterprise_objects = self.get_enterprise()
pre_objects = self.get_pre()
mobile_objects = self.get_mobile()
for keypre in pre_objects.keys():
for preobj in pre_objects[keypre]:
if keypre in enterprise_objects.keys():
if preobj not in enterprise_objects[keypre]:
enterprise_objects[keypre].append(preobj)
for keymob in mobile_objects.keys():
for mobobj in mobile_objects[keymob]:
if keymob in enterprise_objects.keys():
if mobobj not in enterprise_objects[keymob]:
enterprise_objects[keymob].append(mobobj)
if not stix_format:
for enterkey in enterprise_objects.keys():
enterprise_objects[enterkey] = self.translate_stix_objects(
enterprise_objects[enterkey])
return enterprise_objects
def get_techniques(self, stix_format=True):
all_techniques = self.COMPOSITE_DS.query(
Filter("type", "=", "attack-pattern"))
if not stix_format:
all_techniques = self.translate_stix_objects(all_techniques)
return all_techniques
def get_groups(self, stix_format=True):
all_groups = self.COMPOSITE_DS.query(
Filter("type", "=", "intrusion-set"))
if not stix_format:
all_groups = self.translate_stix_objects(all_groups)
return all_groups
def get_mitigations(self, stix_format=True):
enterprise_mitigations = self.get_enterprise_mitigations()
mobile_mitigations = self.get_mobile_mitigations()
for mm in mobile_mitigations:
if mm not in enterprise_mitigations:
enterprise_mitigations.append(mm)
if not stix_format:
enterprise_mitigations = self.translate_stix_objects(
enterprise_mitigations)
return enterprise_mitigations
def get_software(self, stix_format=True):
enterprise_malware = self.get_enterprise_malware()
enterprise_tools = self.get_enterprise_tools()
mobile_malware = self.get_mobile_malware()
mobile_tools = self.get_mobile_tools()
for mt in mobile_tools:
if mt not in enterprise_tools:
enterprise_tools.append(mt)
for mmal in mobile_malware:
if mmal not in enterprise_malware:
enterprise_malware.append(mmal)
all_software = enterprise_tools + enterprise_malware
if not stix_format:
all_software = self.translate_stix_objects(all_software)
return all_software
def get_relationships(self, stix_format=True):
all_relationships = self.COMPOSITE_DS.query(
Filter("type", "=", "relationship"))
if not stix_format:
all_relationships = self.translate_stix_objects(all_relationships)
return all_relationships
def get_tactics(self, stix_format=True):
all_tactics = self.COMPOSITE_DS.query(
Filter("type", "=", "x-mitre-tactic"))
if not stix_format:
all_tactics = self.translate_stix_objects(all_tactics)
return all_tactics
# ******** Custom Functions ********
def get_technique_by_name(self, name, case=True, stix_format=True):
class MitreAttack:
"""
Simple class that controls access to Mitre Att&ck datasets.
"""
DEFAULT_SERVER = "https://cti-taxii.mitre.org/taxii/"
def __init__(self):
self._api_root = None
self._server = None
self._source = None
self._frames = {}
def _get_frame_from_collection(self, collection):
"""
Returns a DataFrame with information from a Mitre Att&ck collection.
"""
data = collection.get_objects()
lines = []
for item in data.get('objects', []):
line = item
external = item.get('external_references', [])
for source in external:
if not source.get("url",
"").startswith("https://attack.mitre.org"):
continue
line["mitre_source"] = source.get("source_name")
line["mitre_id"] = source.get("external_id")
url = source.get("url")
url_items = url.split("/")
line["mitre_collection"] = url_items[-2]
lines.append(line)
return pd.DataFrame(lines)
@property
def server(self):
"""
Returns a copy of the Mitre server object.
"""
if self._server:
return self._server
self._server = Server(self.DEFAULT_SERVER)
self._api_root = self._server.api_roots[0]
return self._server
@property
def collection_titles(self):
"""
Returns a list of collection titles and ID that are available.
"""
_ = self.server
return [(c.title, c.id) for c in self._api_root.collections]
@property
def source(self):
"""
Returns the data source object for Att&ck data.
"""
if self._source:
return self._source
self._source = CompositeDataSource()
self._source.add_data_sources(self._api_root.collections)
return self._source
def get_collection(self, collection_title):
"""
Returns a DataFrame with the content of a particular collection.
:param str collection_title: The tile or a substring of a collection
entry in Mitre Att&ck framework. The first match of available
collections will be used.
:return: A pandas DataFrame with the content or an empty frame if the
collection was not found.
"""
_ = self.server
for collection in self._api_root.collections:
if collection_title.lower() not in collection.title.lower():
continue
title = collection.title
if title not in self._frames:
self._frames[title] = self._get_frame_from_collection(
collection)
return self._frames[title]
return pd.DataFrame()
def get_technique(self, mitre_id, collection_title='Enterprise ATT&CK'):
"""
Returns a pandas Series with the content of a single technique.
:param str mitre_id: This is the corresponding Mitre Att&ck ID for the
technique to look up.
:param str collection_title: The title of the collection this
particular technique exists in. By default uses the Enterprise
collection.
:return: A pandas Series with the information, or an empty series
if not found.
"""
titles = [x[0] for x in self.collection_titles]
use_title = ""
for title in titles:
if collection_title.lower() in title.lower():
use_title = title
break
if not use_title:
raise ValueError("Collection Title %s not found", collection_title)
if use_title not in self._frames:
_ = self.get_collection(use_title)
frame = self._frames.get(use_title)
frame_slice = frame[frame.mitre_id == mitre_id.upper()]
if not frame_slice.empty:
return frame_slice.iloc[0].dropna()
return pd.Series()
class MitreAttackConnection(object):
"""
Collection of methods for extracting data from MitreServer.
Includes the logic of using multiple data sources.
"""
def __init__(self, opts=None, function_opts=None):
self.attack_server = None
self.composite_ds = None
self.proxies = RequestsCommon(opts, function_opts).get_proxies()
def connect_server(self, url=None):
"""
Allow user to specify what url to use
:param url:
:return:
"""
server_url = MITRE_TAXII_URL if url is None else url
self.attack_server = Server(server_url, proxies=self.proxies)
api_root = self.attack_server.api_roots[0]
# CompositeSource to query all the collections at once
c_sources = [
TAXIICollectionSource(collection)
for collection in api_root.collections
]
self.composite_ds = CompositeDataSource()
self.composite_ds.add_data_sources(c_sources)
def get_items(self, filters):
"""
Get items using filters, convert them to dictionaries.
Reference:
https://github.com/mitre/cti/blob/master/USAGE.md
:param filters: list of filter
:return: list of dictionaries representing stix objects
:rtype: list(dict)
"""
if self.attack_server is None:
self.connect_server()
items = []
for data_source in self.composite_ds.get_all_data_sources():
try:
ds_items = data_source.query(filters)
updated_items = [
MitreAttackBase.object_to_dict(x) for x in ds_items
]
for item in updated_items:
item["collection"] = data_source.collection.title
items.extend(updated_items)
except DataSourceError as e:
# happens if data_source finds no elements with given filter
pass
return items
def get_related_to(self, *args, **kwargs):
"""
Facade for `related_to` of composite data source. Needed to abstract out DataSource from
classes using AttackMitre.
:return: objects with the provided relationships
"""
if self.attack_server is None:
self.connect_server()
return self.composite_ds.related_to(*args, **kwargs)
def lookup_item(self, item_name, type_name="attack-pattern"):
"""
Look up items using item name
:param item_name:
:param collection_title:
:param type_name:
:return:
"""
query_filter = Filter("type", "=", type_name)
name_filter = Filter("name", "=", item_name)
items = self.get_items([query_filter, name_filter])
if not len(items):
return None
return items
class MitreParser:
"""This class wraps all the function for interacting with the MitreAtt&ck Repository"""
def __init__(self, cti_folder):
self.cti_folder = cti_folder
repo = Repo(cti_folder)
origin = repo.remotes.origin
try:
origin.pull()
except Exception as e:
pass
enterprise_attack_fs = FileSystemSource(cti_folder +
"enterprise-attack")
pre_attack_fs = FileSystemSource(cti_folder + "pre-attack")
mobile_attack_fs = FileSystemSource(cti_folder + "mobile-attack")
self.src = CompositeDataSource()
self.src.add_data_sources(
[enterprise_attack_fs, pre_attack_fs, mobile_attack_fs])
# self.columns_list = {"techniques":['mitre_id', 'name', 'description', 'permissions_required', 'platforms', 'adversary-opsec', 'build-capabilities', 'collection', 'command-and-control', 'compromise', 'credential-access', 'defense-evasion', 'discovery', 'effects', 'establish-&-maintain-infrastructure', 'execution', 'exfiltration', 'impact', 'initial-access', 'lateral-movement', 'launch', 'network-effects', 'organizational-information-gathering', 'organizational-weakness-identification', 'people-information-gathering', 'people-weakness-identification', 'persistence', 'persona-development', 'priority-definition-direction', 'priority-definition-planning', 'privilege-escalation', 'remote-service-effects', 'stage-capabilities', 'target-selection', 'technical-information-gathering', 'technical-weakness-identification', 'test-capabilities','kill_chain_phases']}
self.columns_list = {
"techniques": [
'mitre_id', 'tactics', 'name', 'permissions_required',
'platforms'
]
}
def get_technique_by_group(self, stix_id):
relations = self.src.relationships(stix_id, 'uses', source_only=True)
return self.src.query([
Filter('type', '=', 'attack-pattern'),
Filter('id', 'in', [r.target_ref for r in relations])
])
def get_malware_by_group(self, stix_id):
relations = self.src.relationships(stix_id, 'uses', source_only=True)
query_malware = self.src.query([
Filter('type', '=', 'malware'),
Filter('id', 'in', [r.target_ref for r in relations])
])
dict_malware = []
for group in query_malware:
string_report = group.serialize()
dict_report = json.loads(string_report)
dict_malware.append(dict_report)
df_malware = pd.DataFrame(dict_malware)
return df_malware
def get_tool_by_group(self, stix_id):
relations = self.src.relationships(stix_id, 'uses', source_only=True)
query_tool = self.src.query([
Filter('type', '=', 'tool'),
Filter('id', 'in', [r.target_ref for r in relations])
])
dict_tool = []
for group in query_tool:
string_report = group.serialize()
dict_report = json.loads(string_report)
dict_tool.append(dict_report)
df_tool = pd.DataFrame(dict_tool)
return df_tool
def get_techniques_by_group(self, stix_id):
group_uses = [
r
for r in self.src.relationships(stix_id, 'uses', source_only=True)
if get_type_from_id(r.target_ref) in ['malware', 'tool']
]
software_uses = self.src.query([
Filter('type', '=', 'relationship'),
Filter('relationship_type', '=', 'uses'),
Filter('source_ref', 'in', [r.source_ref for r in group_uses])
])
techniques_query = self.src.query([
Filter('type', '=', 'attack-pattern'),
Filter('id', 'in', [r.target_ref for r in software_uses])
])
dict_techniques = []
for current_technique in techniques_query:
string_report = current_technique.serialize()
dict_report = json.loads(string_report)
dict_techniques.append(dict_report)
techniques_df = pd.DataFrame(dict_techniques)
if techniques_df.empty:
return techniques_df
techniques_df = techniques_df.fillna("")
techniques_df["kill_chain_phases"] = techniques_df[
"kill_chain_phases"].apply(lambda x: [
y["phase_name"] for y in x if 'mitre' in y['kill_chain_name']
])
techniques_df = techniques_df.rename(
index=str,
columns={
"x_mitre_permissions_required": "permissions_required",
"x_mitre_platforms": "platforms",
"id": "mitre_id",
"kill_chain_phases": "tactics"
})
column_set = set(techniques_df.columns.values)
for i in self.columns_list["techniques"]:
column_set.add(i)
techniques_df = techniques_df.reindex(columns=list(column_set),
fill_value="")
return techniques_df[self.columns_list["techniques"]]
def get_group_by_alias(self, alias):
return self.src.query([
Filter('type', '=', 'intrusion-set'),
Filter('aliases', '=', alias)
])
def get_all_groups(self):
filt = Filter('type', '=', 'intrusion-set')
groups = self.src.query([filt])
dict_groups = []
for group in groups:
string_report = group.serialize()
dict_report = json.loads(string_report)
hash_report = hashlib.sha1(
string_report.encode('utf-8')).hexdigest()
dict_report["hash"] = hash_report
dict_groups.append(dict_report)
group_df = pd.DataFrame(dict_groups)
group_df = group_df.fillna("")
return group_df
def get_all_techniques(self):
technique_query = self.src.query(Filter('type', '=', 'attack-pattern'))
dict_techniques = []
for current_technique in technique_query:
string_report = current_technique.serialize()
dict_report = json.loads(string_report)
dict_techniques.append(dict_report)
techniques_df = pd.DataFrame(dict_techniques)
techniques_df = techniques_df.fillna("")
techniques_df["kill_chain_phases"] = techniques_df[
"kill_chain_phases"].apply(lambda x: [
y["phase_name"] for y in x if 'mitre' in y['kill_chain_name']
])
techniques_df = techniques_df.rename(
index=str,
columns={
"x_mitre_permissions_required": "permissions_required",
"x_mitre_platforms": "platforms",
"id": "mitre_id"
})
return techniques_df[self.columns_list["techniques"]]
def get_all_tactics(self):
tactic_query = self.src.query(Filter('type', '=', 'x-mitre-tactic'))
tactics_df = pd.DataFrame(tactic_query)
return tactics_df