mirror of https://github.com/MISP/MISP-maltego
fix: [security] fixes a security issue when used as remote transform
the MISP connection being shared by all the userspull/40/head
Christophe Vandeplas
parent
32ccad30ec
commit
3ccde66dab
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@ -1,7 +1,7 @@
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from canari.maltego.entities import Unknown, Hashtag
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from canari.maltego.transform import Transform
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from MISP_maltego.transforms.common.entities import MISPGalaxy
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from MISP_maltego.transforms.common.util import check_update, get_misp_connection, event_to_entity, object_to_entity, get_attribute_in_event, get_attribute_in_object, attribute_to_entity, get_entity_property, search_galaxy_cluster, galaxycluster_to_entity, tag_matches_note_prefix
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from MISP_maltego.transforms.common.util import check_update, MISPConnection, event_to_entity, get_attribute_in_event, get_attribute_in_object, attribute_to_entity, get_entity_property, search_galaxy_cluster, galaxycluster_to_entity
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from canari.maltego.message import LinkDirection, Bookmark
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__author__ = 'Christophe Vandeplas'
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@ -26,20 +26,20 @@ class SearchInMISP(Transform):
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link_label = 'Search result'
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if 'properties.mispevent' in request.entity.fields:
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misp = get_misp_connection(config, request.parameters)
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conn = MISPConnection(config, request.parameters)
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# if event_id
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try:
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if request.entity.value == '0':
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return response
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eventid = int(request.entity.value)
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events_json = misp.search(controller='events', eventid=eventid, with_attachments=False)
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events_json = conn.misp.search(controller='events', eventid=eventid, with_attachments=False)
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for e in events_json:
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response += event_to_entity(e, link_label=link_label, link_direction=LinkDirection.OutputToInput)
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return response
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except ValueError:
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pass
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# if event_info string as value
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events_json = misp.search(controller='events', eventinfo=request.entity.value, with_attachments=False)
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events_json = conn.misp.search(controller='events', eventinfo=request.entity.value, with_attachments=False)
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for e in events_json:
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response += event_to_entity(e, link_label=link_label, link_direction=LinkDirection.OutputToInput)
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return response
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@ -68,8 +68,8 @@ class SearchInMISP(Transform):
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keyword = get_entity_property(request.entity, 'Temp')
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if not keyword:
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keyword = request.entity.value
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misp = get_misp_connection(config, request.parameters)
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result = misp.direct_call('tags/search', {'name': keyword})
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conn = MISPConnection(config, request.parameters)
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result = conn.misp.direct_call('tags/search', {'name': keyword})
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for t in result:
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# skip misp-galaxies as we have processed them earlier on
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if t['Tag']['name'].startswith('misp-galaxy'):
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@ -80,8 +80,8 @@ class SearchInMISP(Transform):
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return response
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# for all other normal entities
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misp = get_misp_connection(config, request.parameters)
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events_json = misp.search(controller='events', value=request.entity.value, with_attachments=False)
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conn = MISPConnection(config, request.parameters)
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events_json = conn.misp.search(controller='events', value=request.entity.value, with_attachments=False)
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# we need to do really rebuild the Entity from scratch as request.entity is of type Unknown
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for e in events_json:
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# find the value as attribute
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@ -93,7 +93,7 @@ class SearchInMISP(Transform):
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if 'Object' in e['Event']:
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for o in e['Event']['Object']:
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if get_attribute_in_object(o, attribute_value=request.entity.value, substring=True).get('value'):
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response += object_to_entity(o, link_label=link_label)
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response += conn.object_to_entity(o, link_label=link_label)
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return response
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@ -137,20 +137,20 @@ class AttributeToEvent(Transform):
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# placeholder for https://github.com/MISP/MISP-maltego/issues/11
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pass
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misp = get_misp_connection(config, request.parameters)
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conn = MISPConnection(config, request.parameters)
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# from Galaxy
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if 'properties.mispgalaxy' in request.entity.fields:
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tag_name = get_entity_property(request.entity, 'tag_name')
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if not tag_name:
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tag_name = request.entity.value
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events_json = misp.search(controller='events', tags=tag_name, with_attachments=False)
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events_json = conn.misp.search(controller='events', tags=tag_name, with_attachments=False)
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for e in events_json:
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response += event_to_entity(e, link_direction=LinkDirection.OutputToInput)
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return response
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# from Object
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elif 'properties.mispobject' in request.entity.fields:
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if request.entity.fields.get('event_id'):
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events_json = misp.search(controller='events', eventid=request.entity.fields.get('event_id').value, with_attachments=False)
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events_json = conn.misp.search(controller='events', eventid=request.entity.fields.get('event_id').value, with_attachments=False)
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for e in events_json:
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response += event_to_entity(e, link_direction=LinkDirection.OutputToInput)
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return response
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@ -161,13 +161,13 @@ class AttributeToEvent(Transform):
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tag_name = get_entity_property(request.entity, 'Temp')
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if not tag_name:
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tag_name = request.entity.value
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events_json = misp.search(controller='events', tags=tag_name, with_attachments=False)
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events_json = conn.misp.search(controller='events', tags=tag_name, with_attachments=False)
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for e in events_json:
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response += event_to_entity(e, link_direction=LinkDirection.OutputToInput)
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return response
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# standard Entities (normal attributes)
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else:
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events_json = misp.search(controller='events', value=request.entity.value, with_attachments=False)
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events_json = conn.misp.search(controller='events', value=request.entity.value, with_attachments=False)
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# return the MISPEvent or MISPObject of the attribute
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for e in events_json:
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@ -179,6 +179,6 @@ class AttributeToEvent(Transform):
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if 'Object' in e['Event']:
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for o in e['Event']['Object']:
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if get_attribute_in_object(o, attribute_value=request.entity.value).get('value'):
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response += object_to_entity(o, link_direction=LinkDirection.OutputToInput)
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response += conn.object_to_entity(o, link_direction=LinkDirection.OutputToInput)
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return response
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@ -18,7 +18,6 @@ __version__ = '1.4.4' # also update version in setup.py
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tag_note_prefixes = ['tlp:', 'PAP:', 'de-vs:', 'euci:', 'fr-classif:', 'nato:']
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misp_connection = None
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update_url = 'https://raw.githubusercontent.com/MISP/MISP-maltego/master/setup.py'
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local_path_root = os.path.join(tempfile.gettempdir(), 'MISP-maltego')
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local_path_version = os.path.join(local_path_root, 'versioncheck')
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@ -64,37 +63,116 @@ def check_update(config):
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return None
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def get_misp_connection(config=None, parameters=None):
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global misp_connection
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if misp_connection:
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return misp_connection
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if not config:
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raise MaltegoException("ERROR: MISP connection not yet established, and config not provided as parameter.")
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misp_verify = True
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misp_debug = False
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misp_url = None
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misp_key = None
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try:
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if is_local_exec_mode():
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misp_url = config['MISP_maltego.local.misp_url']
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misp_key = config['MISP_maltego.local.misp_key']
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if config['MISP_maltego.local.misp_verify'] in ['False', 'false', 0, 'no', 'No']:
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misp_verify = False
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if config['MISP_maltego.local.misp_debug'] in ['True', 'true', 1, 'yes', 'Yes']:
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misp_debug = True
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if is_remote_exec_mode():
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class MISPConnection():
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def __init__(self, config=None, parameters=None):
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self.misp = None
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if not config:
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raise MaltegoException("ERROR: MISP connection not yet established, and config not provided as parameter.")
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misp_verify = True
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misp_debug = False
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misp_url = None
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misp_key = None
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try:
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if is_local_exec_mode():
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misp_url = config['MISP_maltego.local.misp_url']
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misp_key = config['MISP_maltego.local.misp_key']
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if config['MISP_maltego.local.misp_verify'] in ['False', 'false', 0, 'no', 'No']:
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misp_verify = False
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if config['MISP_maltego.local.misp_debug'] in ['True', 'true', 1, 'yes', 'Yes']:
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misp_debug = True
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else:
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try:
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misp_url = parameters['mispurl'].value
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misp_key = parameters['mispkey'].value
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except AttributeError:
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raise MaltegoException("ERROR: mispurl and mispkey need to be set to something valid")
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self.misp = PyMISP(misp_url, misp_key, misp_verify, 'json', misp_debug, tool='misp_maltego')
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except Exception:
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if is_local_exec_mode():
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raise MaltegoException("ERROR: Cannot connect to MISP server. Please verify your MISP_Maltego.conf settings.")
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else:
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raise MaltegoException("ERROR: Cannot connect to MISP server. Please verify your settings (MISP URL and API key), and ensure the MISP server is reachable from the internet.")
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def object_to_entity(self, o, link_label=None, link_direction=LinkDirection.InputToOutput):
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# find a nice icon for it
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try:
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icon_url = mapping_object_icon[o['name']]
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except KeyError:
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# it's not in our mapping, just ignore and leave the default icon
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icon_url = None
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# Generate a human readable display-name:
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# - find the first RequiredOneOf that exists
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# - if none, use the first RequiredField
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# LATER further finetune the human readable version of this object
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o_template = self.misp.get_object_template(o['template_uuid'])
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human_readable = None
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try:
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found = False
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while not found: # the while loop is broken once something is found, or the requiredOneOf has no elements left
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required_ote_type = o_template['ObjectTemplate']['requirements']['requiredOneOf'].pop(0)
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for ote in o_template['ObjectTemplateElement']:
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if ote['object_relation'] == required_ote_type:
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required_a_type = ote['type']
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break
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for a in o['Attribute']:
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if a['type'] == required_a_type:
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human_readable = '{}:\n{}'.format(o['name'], a['value'])
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found = True
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break
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except Exception:
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pass
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if not human_readable:
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try:
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misp_url = parameters['mispurl'].value
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misp_key = parameters['mispkey'].value
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except AttributeError:
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raise MaltegoException("ERROR: mispurl and mispkey need to be set to something valid")
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misp_connection = PyMISP(misp_url, misp_key, misp_verify, 'json', misp_debug, tool='misp_maltego')
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except Exception:
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if is_local_exec_mode():
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raise MaltegoException("ERROR: Cannot connect to MISP server. Please verify your MISP_Maltego.conf settings.")
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if is_remote_exec_mode():
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raise MaltegoException("ERROR: Cannot connect to MISP server. Please verify your settings (MISP URL and API key), and ensure the MISP server is reachable from the internet.")
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return misp_connection
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found = False
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parts = []
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for required_ote_type in o_template['ObjectTemplate']['requirements']['required']:
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for ote in o_template['ObjectTemplateElement']:
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if ote['object_relation'] == required_ote_type:
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required_a_type = ote['type']
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break
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for a in o['Attribute']:
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if a['type'] == required_a_type:
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parts.append(a['value'])
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break
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human_readable = '{}:\n{}'.format(o['name'], '|'.join(parts))
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except Exception:
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human_readable = o['name']
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return MISPObject(
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human_readable,
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uuid=o['uuid'],
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event_id=int(o['event_id']),
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meta_category=o.get('meta_category'),
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description=o.get('description'),
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comment=o.get('comment'),
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icon_url=icon_url,
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link_label=link_label,
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link_direction=link_direction,
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bookmark=Bookmark.Green
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)
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def object_to_relations(self, o, e):
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# process forward and reverse references, so just loop over all the objects of the event
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if 'Object' in e['Event']:
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for eo in e['Event']['Object']:
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if 'ObjectReference' in eo:
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for ref in eo['ObjectReference']:
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# we have found original object. Expand to the related object and attributes
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if eo['uuid'] == o['uuid']:
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# the reference is an Object
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if ref.get('Object'):
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# get the full object in the event, as our objectReference included does not contain everything we need
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sub_object = get_object_in_event(ref['Object']['uuid'], e)
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yield self.object_to_entity(sub_object, link_label=ref['relationship_type'])
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# the reference is an Attribute
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if ref.get('Attribute'):
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ref['Attribute']['event_id'] = ref['event_id'] # LATER remove this ugly workaround - object can't be requested directly from MISP using the uuid, and to find a full object we need the event_id
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for item in attribute_to_entity(ref['Attribute'], link_label=ref['relationship_type']):
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yield item
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# reverse-lookup - this is another objects relating the original object
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if ref['referenced_uuid'] == o['uuid']:
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yield self.object_to_entity(eo, link_label=ref['relationship_type'], link_direction=LinkDirection.OutputToInput)
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def entity_obj_to_entity(entity_obj, v, t, **kwargs):
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@ -176,65 +254,6 @@ def attribute_to_entity(a, link_label=None, event_tags=[], only_self=False):
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# LATER : relationships from attributes - not yet supported by MISP yet, but there are references in the datamodel
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def object_to_entity(o, link_label=None, link_direction=LinkDirection.InputToOutput):
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misp = get_misp_connection()
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# find a nice icon for it
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try:
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icon_url = mapping_object_icon[o['name']]
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except KeyError:
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# it's not in our mapping, just ignore and leave the default icon
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icon_url = None
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# Generate a human readable display-name:
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# - find the first RequiredOneOf that exists
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# - if none, use the first RequiredField
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# LATER further finetune the human readable version of this object
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o_template = misp.get_object_template(o['template_uuid'])
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human_readable = None
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try:
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found = False
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while not found: # the while loop is broken once something is found, or the requiredOneOf has no elements left
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required_ote_type = o_template['ObjectTemplate']['requirements']['requiredOneOf'].pop(0)
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for ote in o_template['ObjectTemplateElement']:
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if ote['object_relation'] == required_ote_type:
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required_a_type = ote['type']
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break
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for a in o['Attribute']:
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if a['type'] == required_a_type:
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human_readable = '{}:\n{}'.format(o['name'], a['value'])
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found = True
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break
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except Exception:
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pass
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if not human_readable:
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try:
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found = False
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parts = []
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for required_ote_type in o_template['ObjectTemplate']['requirements']['required']:
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for ote in o_template['ObjectTemplateElement']:
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if ote['object_relation'] == required_ote_type:
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required_a_type = ote['type']
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break
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for a in o['Attribute']:
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if a['type'] == required_a_type:
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parts.append(a['value'])
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break
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human_readable = '{}:\n{}'.format(o['name'], '|'.join(parts))
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except Exception:
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human_readable = o['name']
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return MISPObject(
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human_readable,
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uuid=o['uuid'],
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event_id=int(o['event_id']),
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meta_category=o.get('meta_category'),
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description=o.get('description'),
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comment=o.get('comment'),
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icon_url=icon_url,
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link_label=link_label,
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link_direction=link_direction,
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bookmark=Bookmark.Green
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)
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def object_to_attributes(o, e):
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# first process attributes from an object that belong together (eg: first-name + last-name), and remove them from the list
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if o['name'] == 'person':
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@ -248,30 +267,6 @@ def object_to_attributes(o, e):
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yield item
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def object_to_relations(o, e):
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# process forward and reverse references, so just loop over all the objects of the event
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if 'Object' in e['Event']:
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for eo in e['Event']['Object']:
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if 'ObjectReference' in eo:
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for ref in eo['ObjectReference']:
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# we have found original object. Expand to the related object and attributes
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if eo['uuid'] == o['uuid']:
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# the reference is an Object
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if ref.get('Object'):
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# get the full object in the event, as our objectReference included does not contain everything we need
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sub_object = get_object_in_event(ref['Object']['uuid'], e)
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yield object_to_entity(sub_object, link_label=ref['relationship_type'])
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# the reference is an Attribute
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if ref.get('Attribute'):
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ref['Attribute']['event_id'] = ref['event_id'] # LATER remove this ugly workaround - object can't be requested directly from MISP using the uuid, and to find a full object we need the event_id
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for item in attribute_to_entity(ref['Attribute'], link_label=ref['relationship_type']):
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yield item
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# reverse-lookup - this is another objects relating the original object
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if ref['referenced_uuid'] == o['uuid']:
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yield object_to_entity(eo, link_label=ref['relationship_type'], link_direction=LinkDirection.OutputToInput)
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def get_object_in_event(uuid, e):
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for o in e['Event']['Object']:
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if o['uuid'] == uuid:
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@ -1,7 +1,7 @@
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from canari.maltego.entities import Hashtag
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from canari.maltego.transform import Transform
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from MISP_maltego.transforms.common.entities import MISPEvent, MISPObject
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from MISP_maltego.transforms.common.util import check_update, get_misp_connection, attribute_to_entity, event_to_entity, galaxycluster_to_entity, object_to_entity, object_to_attributes, object_to_relations, tag_matches_note_prefix
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from MISP_maltego.transforms.common.util import check_update, MISPConnection, attribute_to_entity, event_to_entity, galaxycluster_to_entity, object_to_attributes, tag_matches_note_prefix
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from canari.maltego.message import LinkStyle
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@ -15,7 +15,7 @@ __maintainer__ = 'Christophe Vandeplas'
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__email__ = 'christophe@vandeplas.com'
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__status__ = 'Development'
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||||
|
||||
# FIXME have a more human readable version of the MISP event value in the graph. change entity + event_to_entity + do_transform
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# TODO have a more human readable version of the MISP event value in the graph. change entity + event_to_entity + do_transform
|
||||
|
||||
|
||||
class EventToTransform(Transform):
|
||||
|
|
@ -26,7 +26,7 @@ class EventToTransform(Transform):
|
|||
self.request = None
|
||||
self.response = None
|
||||
self.config = None
|
||||
self.misp = None
|
||||
self.conn = None
|
||||
self.event_json = None
|
||||
self.event_tags = None
|
||||
|
||||
|
|
@ -36,9 +36,9 @@ class EventToTransform(Transform):
|
|||
self.config = config
|
||||
self.response += check_update(config)
|
||||
maltego_misp_event = request.entity
|
||||
self.misp = get_misp_connection(config, request.parameters)
|
||||
self.conn = MISPConnection(config, request.parameters)
|
||||
event_id = maltego_misp_event.id
|
||||
search_result = self.misp.search(controller='events', eventid=event_id, with_attachments=False)
|
||||
search_result = self.conn.misp.search(controller='events', eventid=event_id, with_attachments=False)
|
||||
if search_result:
|
||||
self.event_json = search_result.pop()
|
||||
else:
|
||||
|
|
@ -76,7 +76,7 @@ class EventToTransform(Transform):
|
|||
|
||||
def gen_response_objects(self):
|
||||
for o in self.event_json['Event']['Object']:
|
||||
self.response += object_to_entity(o)
|
||||
self.response += self.conn.object_to_entity(o)
|
||||
|
||||
def gen_response_relations(self):
|
||||
for e in self.event_json['Event']['RelatedEvent']:
|
||||
|
|
@ -169,14 +169,14 @@ class ObjectToAttributes(Transform):
|
|||
def do_transform(self, request, response, config):
|
||||
response += check_update(config)
|
||||
maltego_object = request.entity
|
||||
misp = get_misp_connection(config, request.parameters)
|
||||
event_json = misp.get_event(maltego_object.event_id)
|
||||
conn = MISPConnection(config, request.parameters)
|
||||
event_json = conn.misp.get_event(maltego_object.event_id)
|
||||
for o in event_json['Event']['Object']:
|
||||
if o['uuid'] == maltego_object.uuid:
|
||||
for entity in object_to_attributes(o, event_json):
|
||||
if entity:
|
||||
response += entity
|
||||
for entity in object_to_relations(o, event_json):
|
||||
for entity in conn.object_to_relations(o, event_json):
|
||||
if entity:
|
||||
response += entity
|
||||
|
||||
|
|
@ -192,11 +192,11 @@ class ObjectToRelations(Transform):
|
|||
def do_transform(self, request, response, config):
|
||||
response += check_update(config)
|
||||
maltego_object = request.entity
|
||||
misp = get_misp_connection(config, request.parameters)
|
||||
event_json = misp.get_event(maltego_object.event_id)
|
||||
conn = MISPConnection(config, request.parameters)
|
||||
event_json = conn.misp.get_event(maltego_object.event_id)
|
||||
for o in event_json['Event']['Object']:
|
||||
if o['uuid'] == maltego_object.uuid:
|
||||
for entity in object_to_relations(o, event_json):
|
||||
for entity in conn.object_to_relations(o, event_json):
|
||||
if entity:
|
||||
response += entity
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
from canari.maltego.transform import Transform
|
||||
from MISP_maltego.transforms.common.entities import MISPEvent, MISPGalaxy, ThreatActor, Software, AttackTechnique
|
||||
from MISP_maltego.transforms.common.util import check_update, get_misp_connection, galaxycluster_to_entity, get_galaxy_cluster, get_galaxies_relating, search_galaxy_cluster, mapping_galaxy_icon
|
||||
from MISP_maltego.transforms.common.util import check_update, MISPConnection, galaxycluster_to_entity, get_galaxy_cluster, get_galaxies_relating, search_galaxy_cluster, mapping_galaxy_icon
|
||||
from canari.maltego.message import UIMessageType, UIMessage, LinkDirection
|
||||
|
||||
|
||||
|
|
@ -24,12 +24,12 @@ class GalaxyToEvents(Transform):
|
|||
|
||||
def do_transform(self, request, response, config):
|
||||
response += check_update(config)
|
||||
misp = get_misp_connection(config, request.parameters)
|
||||
conn = MISPConnection(config, request.parameters)
|
||||
if request.entity.tag_name:
|
||||
tag_name = request.entity.tag_name
|
||||
else:
|
||||
tag_name = request.entity.value
|
||||
events_json = misp.search(controller='events', tags=tag_name, with_attachments=False)
|
||||
events_json = conn.misp.search(controller='events', tags=tag_name, with_attachments=False)
|
||||
for e in events_json:
|
||||
response += MISPEvent(e['Event']['id'], uuid=e['Event']['uuid'], info=e['Event']['info'], link_direction=LinkDirection.OutputToInput)
|
||||
return response
|
||||
|
|
|
|||
Loading…
Reference in New Issue