mirror of https://github.com/MISP/misp-modules
Create mcafee_insights_enrich.py
Module to expand IOC information with McAfee MVISION Insightspull/517/head
Martin Ohl
GitHub
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# Written by mohlcyber 13.08.2021
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# MISP Module for McAfee MVISION Insights to query campaign details
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import json
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import logging
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import requests
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import sys
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from . import check_input_attribute, standard_error_message
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from pymisp import MISPAttribute, MISPEvent, MISPObject
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ["md5", "sha1", "sha256"],
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'format': 'misp_standard'}
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# possible module-types: 'expansion', 'hover' or both
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moduleinfo = {'version': '1', 'author': 'Martin Ohl',
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'description': 'Lookup McAfee MVISION Insights Details',
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'module-type': ['hover']}
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# config fields that your code expects from the site admin
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moduleconfig = ['api_key', 'client_id', 'client_secret']
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class MVAPI():
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def __init__(self, attribute, api_key, client_id, client_secret):
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self.misp_event = MISPEvent()
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self.attribute = MISPAttribute()
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self.attribute.from_dict(**attribute)
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self.misp_event.add_attribute(**self.attribute)
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self.base_url = 'https://api.mvision.mcafee.com'
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self.session = requests.Session()
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self.api_key = api_key
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auth = (client_id, client_secret)
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self.logging()
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self.auth(auth)
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def logging(self):
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self.logger = logging.getLogger('logs')
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self.logger.setLevel('INFO')
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handler = logging.StreamHandler()
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formatter = logging.Formatter("%(asctime)s;%(levelname)s;%(message)s")
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handler.setFormatter(formatter)
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self.logger.addHandler(handler)
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def auth(self, auth):
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iam_url = "https://iam.mcafee-cloud.com/iam/v1.1/token"
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headers = {
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'x-api-key': self.api_key,
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'Content-Type': 'application/vnd.api+json'
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}
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payload = {
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"grant_type": "client_credentials",
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"scope": "ins.user ins.suser ins.ms.r"
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}
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res = self.session.post(iam_url, headers=headers, auth=auth, data=payload)
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if res.status_code != 200:
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self.logger.error('Could not authenticate to get the IAM token: {0} - {1}'.format(res.status_code, res.text))
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sys.exit()
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else:
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self.logger.info('Successful authenticated.')
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access_token = res.json()['access_token']
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headers['Authorization'] = 'Bearer ' + access_token
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self.session.headers = headers
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def search_ioc(self):
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filters = {
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'filter[type][eq]': self.attribute.type,
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'filter[value]': self.attribute.value,
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'fields': 'id, type, value, coverage, uid, is_coat, is_sdb_dirty, category, comment, campaigns, threat, prevalence'
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}
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res = self.session.get(self.base_url + '/insights/v2/iocs', params=filters)
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if res.ok:
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if len(res.json()['data']) == 0:
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self.logger.info('No Hash details in MVISION Insights found.')
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else:
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self.logger.info('Successfully retrieved MVISION Insights details.')
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self.logger.debug(res.text)
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return res.json()
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else:
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self.logger.error('Error in search_ioc. HTTP {0} - {1}'.format(str(res.status_code), res.text))
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sys.exit()
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def prep_result(self, ioc):
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res = ioc['data'][0]
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results = []
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# Parse out Attribute Category
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category_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Attribute Category: {0}'.format(res['attributes']['category'])
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}
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results.append(category_attr)
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# Parse out Attribute Comment
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comment_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Attribute Comment: {0}'.format(res['attributes']['comment'])
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}
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results.append(comment_attr)
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# Parse out Attribute Dat Coverage
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cover_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Dat Version Coverage: {0}'.format(res['attributes']['coverage']['dat_version']['min'])
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}
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results.append(cover_attr)
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# Parse out if Dirty
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cover_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Is Dirty: {0}'.format(res['attributes']['is-sdb-dirty'])
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}
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results.append(cover_attr)
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# Parse our targeted countries
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countries_dict = []
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countries = res['attributes']['prevalence']['countries']
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for country in countries:
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countries_dict.append(country['iso_code'])
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country_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Targeted Countries: {0}'.format(countries_dict)
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}
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results.append(country_attr)
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# Parse out targeted sectors
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sectors_dict = []
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sectors = res['attributes']['prevalence']['sectors']
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for sector in sectors:
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sectors_dict.append(sector['sector'])
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sector_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Targeted Sectors: {0}'.format(sectors_dict)
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}
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results.append(sector_attr)
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# Parse out Threat Classification
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threat_class_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Threat Classification: {0}'.format(res['attributes']['threat']['classification'])
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}
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results.append(threat_class_attr)
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# Parse out Threat Name
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threat_name_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Threat Name: {0}'.format(res['attributes']['threat']['name'])
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}
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results.append(threat_name_attr)
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# Parse out Threat Severity
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threat_sev_attr = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Threat Severity: {0}'.format(res['attributes']['threat']['severity'])
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}
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results.append(threat_sev_attr)
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# Parse out Attribute ID
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attr_id = {
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'type': 'text',
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'object_relation': 'text',
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'value': 'Attribute ID: {0}'.format(res['id'])
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}
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results.append(attr_id)
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# Parse out Campaign Relationships
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campaigns = ioc['included']
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for campaign in campaigns:
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campaign_attr = {
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'type': 'campaign-name',
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'object_relation': 'campaign-name',
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'value': campaign['attributes']['name']
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}
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results.append(campaign_attr)
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mv_insights_obj = MISPObject(name='MVISION Insights Details')
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for mvi_res in results:
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mv_insights_obj.add_attribute(**mvi_res)
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mv_insights_obj.add_reference(self.attribute.uuid, 'mvision-insights-details')
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self.misp_event.add_object(mv_insights_obj)
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event = json.loads(self.misp_event.to_json())
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results_mvi = {key: event[key] for key in ('Attribute', 'Object') if (key in event and event[key])}
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return {'results': results_mvi}
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def handler(q=False):
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if q is False:
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return False
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request = json.loads(q)
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if not request.get('config') or not request['config'].get('api_key') or not request['config'].get('client_id') or not request['config'].get('client_secret'):
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misperrors['error'] = "Please provide MVISION API Key, Client ID and Client Secret."
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return misperrors
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if request['attribute']['type'] not in mispattributes['input']:
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return {'error': 'Unsupported attribute type. Please use {0}'.format(mispattributes['input'])}
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api_key = request['config']['api_key']
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client_id = request['config']['client_id']
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client_secret = request['config']['client_secret']
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attribute = request['attribute']
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mvi = MVAPI(attribute, api_key, client_id, client_secret)
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res = mvi.search_ioc()
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return mvi.prep_result(res)
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def introspection():
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return mispattributes
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def version():
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moduleinfo['config'] = moduleconfig
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return moduleinfo
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