mirror of https://github.com/MISP/PyMISP
1091 lines
48 KiB
Python
1091 lines
48 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""Python API using the REST interface of MISP"""
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import json
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import datetime
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import os
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import base64
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import re
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try:
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from urllib.parse import urljoin
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except ImportError:
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from urlparse import urljoin
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from io import BytesIO
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import zipfile
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try:
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import requests
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HAVE_REQUESTS = True
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except ImportError:
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HAVE_REQUESTS = False
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from . import __version__
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from .exceptions import PyMISPError, SearchError, MissingDependency, NoURL, NoKey
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from .mispevent import MISPEvent, MISPAttribute, EncodeUpdate
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# Least dirty way to support python 2 and 3
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try:
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basestring
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except NameError:
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basestring = str
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class distributions(object):
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"""Enumeration of the available distributions."""
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your_organization = 0
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this_community = 1
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connected_communities = 2
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all_communities = 3
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class threat_level(object):
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"""Enumeration of the available threat levels."""
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high = 1
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medium = 2
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low = 3
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undefined = 4
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class analysis(object):
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"""Enumeration of the available analysis statuses."""
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initial = 0
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ongoing = 1
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completed = 2
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class PyMISP(object):
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"""
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Python API for MISP
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:param url: URL of the MISP instance you want to connect to
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:param key: API key of the user you want to use
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:param ssl: can be True or False (to check ot not the validity
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of the certificate. Or a CA_BUNDLE in case of self
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signed certiifcate (the concatenation of all the
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*.crt of the chain)
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:param out_type: Type of object (json) NOTE: XML output isn't supported anymore, keeping the flag for compatibility reasons.
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:param debug: print all the messages received from the server
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:param proxies: Proxy dict as describes here: http://docs.python-requests.org/en/master/user/advanced/#proxies
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:param cert: Client certificate, as described there: http://docs.python-requests.org/en/master/user/advanced/#ssl-cert-verification
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"""
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# TODO: interactive script to create a MISP event from scratch
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# TODO: a parser to verify the validity of an event
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# So it can may be accessed from the misp object.
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distributions = distributions
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threat_level = threat_level
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analysis = analysis
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def __init__(self, url, key, ssl=True, out_type='json', debug=False, proxies=None, cert=None):
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if not url:
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raise NoURL('Please provide the URL of your MISP instance.')
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if not key:
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raise NoKey('Please provide your authorization key.')
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self.root_url = url
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self.key = key
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self.ssl = ssl
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self.proxies = proxies
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self.cert = cert
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self.ressources_path = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'data')
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if out_type != 'json':
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raise PyMISPError('The only output type supported by PyMISP is JSON. If you still rely on XML, use PyMISP v2.4.49')
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self.debug = debug
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try:
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# Make sure the MISP instance is working and the URL is valid
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self.get_version()
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except Exception as e:
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raise PyMISPError('Unable to connect to MISP ({}). Please make sure the API key and the URL are correct (http/https is required): {}'.format(self.root_url, e))
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try:
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session = self.__prepare_session()
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response = session.get(urljoin(self.root_url, 'attributes/describeTypes.json'))
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describe_types = self._check_response(response)
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if describe_types.get('error'):
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for e in describe_types.get('error'):
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raise PyMISPError('Failed: {}'.format(e))
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self.describe_types = describe_types['result']
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if not self.describe_types.get('sane_defaults'):
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raise PyMISPError('The MISP server your are trying to reach is outdated (<2.4.52). Please use PyMISP v2.4.51.1 (pip install -I PyMISP==v2.4.51.1) and/or contact your administrator.')
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except:
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describe_types = json.load(open(os.path.join(self.ressources_path, 'describeTypes.json'), 'r'))
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self.describe_types = describe_types['result']
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self.categories = self.describe_types['categories']
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self.types = self.describe_types['types']
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self.category_type_mapping = self.describe_types['category_type_mappings']
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self.sane_default = self.describe_types['sane_defaults']
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def __prepare_session(self, output='json'):
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"""
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Prepare the headers of the session
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"""
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if not HAVE_REQUESTS:
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raise MissingDependency('Missing dependency, install requests (`pip install requests`)')
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session = requests.Session()
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session.verify = self.ssl
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session.proxies = self.proxies
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session.cert = self.cert
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session.headers.update(
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{'Authorization': self.key,
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'Accept': 'application/{}'.format(output),
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'content-type': 'application/{}'.format(output),
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'User-Agent': 'PyMISP {}'.format(__version__)})
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return session
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def flatten_error_messages(self, response):
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messages = []
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if response.get('error'):
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if isinstance(response['error'], list):
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for e in response['errors']:
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messages.append(e['error']['value'][0])
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else:
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messages.append(['error'])
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elif response.get('errors'):
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if isinstance(response['errors'], dict):
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for where, errors in response['errors'].items():
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if isinstance(errors, dict):
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for where, msg in errors.items():
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if isinstance(msg, list):
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for m in msg:
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messages.append('Error in {}: {}'.format(where, m))
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else:
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messages.append('Error in {}: {}'.format(where, msg))
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else:
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for e in errors:
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if not e:
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continue
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if isinstance(e, str):
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messages.append(e)
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continue
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for type_e, msgs in e.items():
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for m in msgs:
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messages.append('Error in {}: {}'.format(where, m))
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return messages
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def _check_response(self, response):
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if response.status_code >= 500:
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response.raise_for_status()
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try:
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to_return = response.json()
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except:
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if self.debug:
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print(response.text)
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raise PyMISPError('Unknown error: {}'.format(response.text))
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errors = []
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if isinstance(to_return, list):
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to_return = {'response': to_return}
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if to_return.get('error'):
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if not isinstance(to_return['error'], list):
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errors.append(to_return['error'])
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else:
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errors += to_return['error']
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if 400 <= response.status_code < 500:
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if to_return.get('error') is None and to_return.get('message'):
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errors.append(to_return['message'])
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else:
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errors.append(basestring(response.status_code))
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errors += self.flatten_error_messages(to_return)
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if errors:
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to_return['errors'] = errors
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if self.debug:
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print(json.dumps(to_return, indent=4))
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return to_return
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# ################################################
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# ############### Simple REST API ################
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# ################################################
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def get_index(self, filters=None):
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"""
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Return the index.
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Warning, there's a limit on the number of results
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"""
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session = self.__prepare_session()
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url = urljoin(self.root_url, 'events/index')
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if filters is not None:
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filters = json.dumps(filters)
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response = session.post(url, data=filters)
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else:
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response = session.get(url)
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return self._check_response(response)
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def get_event(self, event_id):
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"""
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Get an event
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:param event_id: Event id to get
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"""
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session = self.__prepare_session()
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url = urljoin(self.root_url, 'events/{}'.format(event_id))
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response = session.get(url)
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return self._check_response(response)
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def get_stix_event(self, event_id=None, with_attachments=False, from_date=False, to_date=False, tags=False):
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"""
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Get an event/events in STIX format
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"""
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if tags:
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if isinstance(tags, list):
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tags = "&&".join(tags)
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session = self.__prepare_session()
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url = urljoin(self.root_url, "/events/stix/download/{}/{}/{}/{}/{}".format(
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event_id, with_attachments, tags, from_date, to_date))
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if self.debug:
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print("Getting STIX event from {}".format(url))
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response = session.get(url)
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return self._check_response(response)
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def add_event(self, event):
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"""
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Add a new event
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:param event: Event as JSON object / string or XML to add
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"""
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session = self.__prepare_session()
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url = urljoin(self.root_url, 'events')
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if isinstance(event, basestring):
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response = session.post(url, data=event)
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else:
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response = session.post(url, data=json.dumps(event))
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return self._check_response(response)
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def update_event(self, event_id, event):
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"""
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Update an event
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:param event_id: Event id to update
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:param event: Event as JSON object / string or XML to add
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"""
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session = self.__prepare_session()
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url = urljoin(self.root_url, 'events/{}'.format(event_id))
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if isinstance(event, basestring):
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response = session.post(url, data=event)
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else:
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response = session.post(url, data=json.dumps(event))
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return self._check_response(response)
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def delete_event(self, event_id):
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"""
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Delete an event
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:param event_id: Event id to delete
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"""
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session = self.__prepare_session()
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url = urljoin(self.root_url, 'events/{}'.format(event_id))
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response = session.delete(url)
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return self._check_response(response)
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def delete_attribute(self, attribute_id):
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session = self.__prepare_session()
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url = urljoin(self.root_url, 'attributes/{}'.format(attribute_id))
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response = session.delete(url)
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return self._check_response(response)
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# ##############################################
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# ######### Event handling (Json only) #########
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# ##############################################
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def _prepare_full_event(self, distribution, threat_level_id, analysis, info, date=None, published=False):
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misp_event = MISPEvent(self.describe_types)
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misp_event.set_all_values(info=info, distribution=distribution, threat_level_id=threat_level_id,
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analysis=analysis, date=date)
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if published:
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misp_event.publish()
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return misp_event
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def _prepare_full_attribute(self, category, type_value, value, to_ids, comment=None, distribution=5):
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misp_attribute = MISPAttribute(self.describe_types)
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misp_attribute.set_all_values(type=type_value, value=value, category=category,
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to_ids=to_ids, comment=comment, distribution=distribution)
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return misp_attribute
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def _one_or_more(self, value):
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"""Returns a list/tuple of one or more items, regardless of input."""
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return value if isinstance(value, (tuple, list)) else (value,)
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# ########## Helpers ##########
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def get(self, eid):
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return self.get_event(eid)
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def get_stix(self, **kwargs):
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return self.get_stix_event(**kwargs)
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def update(self, event):
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eid = event['Event']['id']
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return self.update_event(eid, event)
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def publish(self, event):
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if event['Event']['published']:
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return {'error': 'Already published'}
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e = MISPEvent(self.describe_types)
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e.load(event)
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e.publish()
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return self.update_event(event['Event']['id'], json.dumps(e, cls=EncodeUpdate))
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def change_threat_level(self, event, threat_level_id):
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e = MISPEvent(self.describe_types)
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e.load(event)
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e.threat_level_id = threat_level_id
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return self.update_event(event['Event']['id'], json.dumps(e, cls=EncodeUpdate))
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def new_event(self, distribution=None, threat_level_id=None, analysis=None, info=None, date=None, published=False):
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misp_event = self._prepare_full_event(distribution, threat_level_id, analysis, info, date, published)
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return self.add_event(json.dumps(misp_event, cls=EncodeUpdate))
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def add_tag(self, event, tag):
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session = self.__prepare_session()
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to_post = {'request': {'Event': {'id': event['Event']['id'], 'tag': tag}}}
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response = session.post(urljoin(self.root_url, 'events/addTag'), data=json.dumps(to_post))
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return self._check_response(response)
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def remove_tag(self, event, tag):
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session = self.__prepare_session()
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to_post = {'request': {'Event': {'id': event['Event']['id'], 'tag': tag}}}
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response = session.post(urljoin(self.root_url, 'events/removeTag'), data=json.dumps(to_post))
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return self._check_response(response)
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# ##### File attributes #####
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def _send_attributes(self, event, attributes, proposal=False):
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if proposal:
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response = self.proposal_add(event['Event']['id'], attributes)
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else:
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e = MISPEvent(self.describe_types)
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e.load(event)
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e.attributes += attributes
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response = self.update_event(event['Event']['id'], json.dumps(e, cls=EncodeUpdate))
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return response
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def add_named_attribute(self, event, type_value, value, category=None, to_ids=False, comment=None, distribution=None, proposal=False):
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attributes = []
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for value in self._one_or_more(value):
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attributes.append(self._prepare_full_attribute(category, type_value, value, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_hashes(self, event, category='Artifacts dropped', filename=None, md5=None, sha1=None, sha256=None, ssdeep=None, comment=None, to_ids=True, distribution=None, proposal=False):
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attributes = []
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type_value = '{}'
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value = '{}'
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if filename:
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type_value = 'filename|{}'
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value = filename + '|{}'
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if md5:
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attributes.append(self._prepare_full_attribute(category, type_value.format('md5'), value.format(md5),
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to_ids, comment, distribution))
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if sha1:
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attributes.append(self._prepare_full_attribute(category, type_value.format('sha1'), value.format(sha1),
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to_ids, comment, distribution))
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if sha256:
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attributes.append(self._prepare_full_attribute(category, type_value.format('sha256'), value.format(sha256),
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to_ids, comment, distribution))
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if ssdeep:
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attributes.append(self._prepare_full_attribute(category, type_value.format('ssdeep'), value.format(ssdeep),
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to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def av_detection_link(self, event, link, category='Antivirus detection', to_ids=False, comment=None, distribution=None, proposal=False):
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attributes = []
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for link in self._one_or_more(link):
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attributes.append(self._prepare_full_attribute(category, 'link', link, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_detection_name(self, event, name, category='Antivirus detection', to_ids=False, comment=None, distribution=None, proposal=False):
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attributes = []
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for name in self._one_or_more(name):
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attributes.append(self._prepare_full_attribute(category, 'text', name, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_filename(self, event, filename, category='Artifacts dropped', to_ids=False, comment=None, distribution=None, proposal=False):
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attributes = []
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for filename in self._one_or_more(filename):
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attributes.append(self._prepare_full_attribute(category, 'filename', filename, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_regkey(self, event, regkey, rvalue=None, category='Artifacts dropped', to_ids=True, comment=None, distribution=None, proposal=False):
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if rvalue:
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type_value = 'regkey|value'
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value = '{}|{}'.format(regkey, rvalue)
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else:
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type_value = 'regkey'
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value = regkey
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attributes = []
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attributes.append(self._prepare_full_attribute(category, type_value, value, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_regkeys(self, event, regkeys_values, category='Artifacts dropped', to_ids=True, comment=None, distribution=None, proposal=False):
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attributes = []
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for regkey, rvalue in regkeys_values.items():
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if rvalue:
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type_value = 'regkey|value'
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value = '{}|{}'.format(regkey, rvalue)
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else:
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type_value = 'regkey'
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value = regkey
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attributes.append(self._prepare_full_attribute(category, type_value, value, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_pattern(self, event, pattern, in_file=True, in_memory=False, category='Artifacts dropped', to_ids=True, comment=None, distribution=None, proposal=False):
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attributes = []
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for pattern in self._one_or_more(pattern):
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if in_file:
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attributes.append(self._prepare_full_attribute(category, 'pattern-in-file', pattern, to_ids, comment, distribution))
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if in_memory:
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attributes.append(self._prepare_full_attribute(category, 'pattern-in-memory', pattern, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_pipe(self, event, named_pipe, category='Artifacts dropped', to_ids=True, comment=None, distribution=None, proposal=False):
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attributes = []
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for named_pipe in self._one_or_more(named_pipe):
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if not named_pipe.startswith('\\.\\pipe\\'):
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named_pipe = '\\.\\pipe\\{}'.format(named_pipe)
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attributes.append(self._prepare_full_attribute(category, 'named pipe', named_pipe, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_mutex(self, event, mutex, category='Artifacts dropped', to_ids=True, comment=None, distribution=None, proposal=False):
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attributes = []
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if not mutex.startswith('\\BaseNamedObjects\\'):
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mutex = '\\BaseNamedObjects\\{}'.format(mutex)
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attributes.append(self._prepare_full_attribute(category, 'mutex', mutex, to_ids, comment, distribution))
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return self._send_attributes(event, attributes, proposal)
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def add_yara(self, event, yara, category='Payload delivery', to_ids=False, comment=None, distribution=None, proposal=False):
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attributes = []
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for yara in self._one_or_more(yara):
|
|
attributes.append(self._prepare_full_attribute(category, 'yara', yara, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
# ##### Network attributes #####
|
|
|
|
def add_ipdst(self, event, ipdst, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for ipdst in self._one_or_more(ipdst):
|
|
attributes.append(self._prepare_full_attribute(category, 'ip-dst', ipdst, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_ipsrc(self, event, ipsrc, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for ipsrc in self._one_or_more(ipsrc):
|
|
attributes.append(self._prepare_full_attribute(category, 'ip-src', ipsrc, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_hostname(self, event, hostname, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for hostname in self._one_or_more(hostname):
|
|
attributes.append(self._prepare_full_attribute(category, 'hostname', hostname, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_domain(self, event, domain, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for domain in self._one_or_more(domain):
|
|
attributes.append(self._prepare_full_attribute(category, 'domain', domain, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_domain_ip(self, event, domain, ip, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
attributes.append(self._prepare_full_attribute(category, 'domain|ip', "%s|%s" % (domain, ip), to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_domains_ips(self, event, domain_ips, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for domain, ip in domain_ips.items():
|
|
attributes.append(self._prepare_full_attribute(category, 'domain|ip', "%s|%s" % (domain, ip), to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_url(self, event, url, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for url in self._one_or_more(url):
|
|
attributes.append(self._prepare_full_attribute(category, 'url', url, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_useragent(self, event, useragent, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for useragent in self._one_or_more(useragent):
|
|
attributes.append(self._prepare_full_attribute(category, 'user-agent', useragent, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_traffic_pattern(self, event, pattern, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for pattern in self._one_or_more(pattern):
|
|
attributes.append(self._prepare_full_attribute(category, 'pattern-in-traffic', pattern, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_snort(self, event, snort, category='Network activity', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for snort in self._one_or_more(snort):
|
|
attributes.append(self._prepare_full_attribute(category, 'snort', snort, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
# ##### Email attributes #####
|
|
|
|
def add_email_src(self, event, email, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for email in self._one_or_more(email):
|
|
attributes.append(self._prepare_full_attribute('Payload delivery', 'email-src', email, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_email_dst(self, event, email, category='Payload delivery', to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for email in self._one_or_more(email):
|
|
attributes.append(self._prepare_full_attribute(category, 'email-dst', email, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_email_subject(self, event, email, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for email in self._one_or_more(email):
|
|
attributes.append(self._prepare_full_attribute('Payload delivery', 'email-subject', email, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_email_attachment(self, event, email, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for email in self._one_or_more(email):
|
|
attributes.append(self._prepare_full_attribute('Payload delivery', 'email-attachment', email, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
# ##### Target attributes #####
|
|
|
|
def add_target_email(self, event, target, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for target in self._one_or_more(target):
|
|
attributes.append(self._prepare_full_attribute('Targeting data', 'target-email', target, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_target_user(self, event, target, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for target in self._one_or_more(target):
|
|
attributes.append(self._prepare_full_attribute('Targeting data', 'target-user', target, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_target_machine(self, event, target, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for target in self._one_or_more(target):
|
|
attributes.append(self._prepare_full_attribute('Targeting data', 'target-machine', target, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_target_org(self, event, target, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for target in self._one_or_more(target):
|
|
attributes.append(self._prepare_full_attribute('Targeting data', 'target-org', target, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_target_location(self, event, target, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for target in self._one_or_more(target):
|
|
attributes.append(self._prepare_full_attribute('Targeting data', 'target-location', target, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_target_external(self, event, target, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for target in self._one_or_more(target):
|
|
attributes.append(self._prepare_full_attribute('Targeting data', 'target-external', target, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
# ##### Attribution attributes #####
|
|
|
|
def add_threat_actor(self, event, target, to_ids=True, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for target in self._one_or_more(target):
|
|
attributes.append(self._prepare_full_attribute('Attribution', 'threat-actor', target, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
# ##### Internal reference attributes #####
|
|
|
|
def add_internal_link(self, event, reference, to_ids=False, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for reference in self._one_or_more(reference):
|
|
attributes.append(self._prepare_full_attribute('Internal reference', 'link', reference, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_internal_comment(self, event, reference, to_ids=False, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for reference in self._one_or_more(reference):
|
|
attributes.append(self._prepare_full_attribute('Internal reference', 'comment', reference, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_internal_text(self, event, reference, to_ids=False, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for reference in self._one_or_more(reference):
|
|
attributes.append(self._prepare_full_attribute('Internal reference', 'text', reference, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
def add_internal_other(self, event, reference, to_ids=False, comment=None, distribution=None, proposal=False):
|
|
attributes = []
|
|
for reference in self._one_or_more(reference):
|
|
attributes.append(self._prepare_full_attribute('Internal reference', 'other', reference, to_ids, comment, distribution))
|
|
return self._send_attributes(event, attributes, proposal)
|
|
|
|
# ##################################################
|
|
# ######### Upload samples through the API #########
|
|
# ##################################################
|
|
|
|
def _prepare_upload(self, event_id, distribution, to_ids, category, comment, info,
|
|
analysis, threat_level_id):
|
|
to_post = {'request': {}}
|
|
|
|
if event_id is not None:
|
|
try:
|
|
event_id = int(event_id)
|
|
except:
|
|
pass
|
|
if not isinstance(event_id, int):
|
|
# New event
|
|
misp_event = self._prepare_full_event(distribution, threat_level_id, analysis, info)
|
|
to_post['request']['distribution'] = misp_event.distribution
|
|
to_post['request']['info'] = misp_event.info
|
|
to_post['request']['analysis'] = misp_event.analysis
|
|
to_post['request']['threat_level_id'] = misp_event.threat_level_id
|
|
else:
|
|
to_post['request']['event_id'] = int(event_id)
|
|
|
|
default_values = self.sane_default['malware-sample']
|
|
if to_ids is None or not isinstance(to_ids, bool):
|
|
to_ids = bool(int(default_values['to_ids']))
|
|
to_post['request']['to_ids'] = to_ids
|
|
|
|
if category is None or category not in self.categories:
|
|
category = default_values['default_category']
|
|
to_post['request']['category'] = category
|
|
|
|
to_post['request']['comment'] = comment
|
|
return to_post
|
|
|
|
def _encode_file_to_upload(self, path):
|
|
with open(path, 'rb') as f:
|
|
return str(base64.b64encode(f.read()))
|
|
|
|
def upload_sample(self, filename, filepath, event_id, distribution=None,
|
|
to_ids=True, category=None, comment=None, info=None,
|
|
analysis=None, threat_level_id=None):
|
|
to_post = self._prepare_upload(event_id, distribution, to_ids, category,
|
|
comment, info, analysis, threat_level_id)
|
|
to_post['request']['files'] = [{'filename': filename, 'data': self._encode_file_to_upload(filepath)}]
|
|
return self._upload_sample(to_post)
|
|
|
|
def upload_samplelist(self, filepaths, event_id, distribution=None,
|
|
to_ids=True, category=None, comment=None, info=None,
|
|
analysis=None, threat_level_id=None):
|
|
to_post = self._prepare_upload(event_id, distribution, to_ids, category,
|
|
comment, info, analysis, threat_level_id)
|
|
files = []
|
|
for path in filepaths:
|
|
if not os.path.isfile(path):
|
|
continue
|
|
files.append({'filename': os.path.basename(path), 'data': self._encode_file_to_upload(path)})
|
|
to_post['request']['files'] = files
|
|
return self._upload_sample(to_post)
|
|
|
|
def _upload_sample(self, to_post):
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, 'events/upload_sample')
|
|
response = session.post(url, data=json.dumps(to_post))
|
|
return self._check_response(response)
|
|
|
|
# ############################
|
|
# ######## Proposals #########
|
|
# ############################
|
|
|
|
def __query_proposal(self, session, path, id, attribute=None):
|
|
url = urljoin(self.root_url, 'shadow_attributes/{}/{}'.format(path, id))
|
|
if path in ['add', 'edit']:
|
|
query = {'request': {'ShadowAttribute': attribute}}
|
|
response = session.post(url, data=json.dumps(query))
|
|
elif path == 'view':
|
|
response = session.get(url)
|
|
else: # accept or discard
|
|
response = session.post(url)
|
|
return self._check_response(response)
|
|
|
|
def proposal_view(self, event_id=None, proposal_id=None):
|
|
session = self.__prepare_session()
|
|
if proposal_id is not None and event_id is not None:
|
|
return {'error': 'You can only view an event ID or a proposal ID'}
|
|
if event_id is not None:
|
|
id = event_id
|
|
else:
|
|
id = proposal_id
|
|
return self.__query_proposal(session, 'view', id)
|
|
|
|
def proposal_add(self, event_id, attribute):
|
|
session = self.__prepare_session()
|
|
return self.__query_proposal(session, 'add', event_id, attribute)
|
|
|
|
def proposal_edit(self, attribute_id, attribute):
|
|
session = self.__prepare_session()
|
|
return self.__query_proposal(session, 'edit', attribute_id, attribute)
|
|
|
|
def proposal_accept(self, proposal_id):
|
|
session = self.__prepare_session()
|
|
return self.__query_proposal(session, 'accept', proposal_id)
|
|
|
|
def proposal_discard(self, proposal_id):
|
|
session = self.__prepare_session()
|
|
return self.__query_proposal(session, 'discard', proposal_id)
|
|
|
|
# ##############################
|
|
# ######## REST Search #########
|
|
# ##############################
|
|
|
|
def __query(self, session, path, query, controller='events'):
|
|
if query.get('error') is not None:
|
|
return query
|
|
if controller not in ['events', 'attributes']:
|
|
raise Exception('Invalid controller. Can only be {}'.format(', '.join(['events', 'attributes'])))
|
|
url = urljoin(self.root_url, '{}/{}'.format(controller, path.lstrip('/')))
|
|
query = {'request': query}
|
|
response = session.post(url, data=json.dumps(query))
|
|
return self._check_response(response)
|
|
|
|
def search_index(self, published=None, eventid=None, tag=None, datefrom=None,
|
|
dateto=None, eventinfo=None, threatlevel=None, distribution=None,
|
|
analysis=None, attribute=None, org=None):
|
|
"""
|
|
Search only at the index level. Use ! infront of value as NOT, default OR
|
|
|
|
:param published: Published (0,1)
|
|
:param eventid: Evend ID(s) | str or list
|
|
:param tag: Tag(s) | str or list
|
|
:param datefrom: First date, in format YYYY-MM-DD
|
|
:param datefrom: Last date, in format YYYY-MM-DD
|
|
:param eventinfo: Event info(s) to match | str or list
|
|
:param threatlevel: Threat level(s) (1,2,3,4) | str or list
|
|
:param distribution: Distribution level(s) (0,1,2,3) | str or list
|
|
:param analysis: Analysis level(s) (0,1,2) | str or list
|
|
:param org: Organisation(s) | str or list
|
|
|
|
"""
|
|
allowed = {'published': published, 'eventid': eventid, 'tag': tag, 'Dateto': dateto,
|
|
'Datefrom': datefrom, 'eventinfo': eventinfo, 'threatlevel': threatlevel,
|
|
'distribution': distribution, 'analysis': analysis, 'attribute': attribute,
|
|
'org': org}
|
|
rule_levels = {'distribution': ["0", "1", "2", "3", "!0", "!1", "!2", "!3"],
|
|
'threatlevel': ["1", "2", "3", "4", "!1", "!2", "!3", "!4"],
|
|
'analysis': ["0", "1", "2", "!0", "!1", "!2"]}
|
|
buildup_url = "events/index"
|
|
|
|
for rule in allowed.keys():
|
|
if allowed[rule] is not None:
|
|
if not isinstance(allowed[rule], list):
|
|
allowed[rule] = [allowed[rule]]
|
|
allowed[rule] = [x for x in map(str, allowed[rule])]
|
|
if rule in rule_levels:
|
|
if not set(allowed[rule]).issubset(rule_levels[rule]):
|
|
raise SearchError('Values in your {} are invalid, has to be in {}'.format(rule, ', '.join(str(x) for x in rule_levels[rule])))
|
|
if type(allowed[rule]) == list:
|
|
joined = '|'.join(str(x) for x in allowed[rule])
|
|
buildup_url += '/search{}:{}'.format(rule, joined)
|
|
else:
|
|
buildup_url += '/search{}:{}'.format(rule, allowed[rule])
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, buildup_url)
|
|
response = session.get(url)
|
|
return self._check_response(response)
|
|
|
|
def search_all(self, value):
|
|
query = {'value': value, 'searchall': 1}
|
|
session = self.__prepare_session()
|
|
return self.__query(session, 'restSearch/download', query)
|
|
|
|
def __prepare_rest_search(self, values, not_values):
|
|
"""
|
|
Prepare a search, generate the chain processed by the server
|
|
|
|
:param values: Values to search
|
|
:param not_values: Values that should not be in the response
|
|
"""
|
|
to_return = ''
|
|
if values is not None:
|
|
if not isinstance(values, list):
|
|
to_return += values
|
|
else:
|
|
to_return += '&&'.join(values)
|
|
if not_values is not None:
|
|
if len(to_return) > 0:
|
|
to_return += '&&!'
|
|
else:
|
|
to_return += '!'
|
|
if not isinstance(values, list):
|
|
to_return += not_values
|
|
else:
|
|
to_return += '&&!'.join(not_values)
|
|
return to_return
|
|
|
|
def search(self, values=None, not_values=None, type_attribute=None,
|
|
category=None, org=None, tags=None, not_tags=None, date_from=None,
|
|
date_to=None, last=None, metadata=None, controller='events'):
|
|
"""
|
|
Search via the Rest API
|
|
|
|
:param values: values to search for
|
|
:param not_values: values *not* to search for
|
|
:param type_attribute: Type of attribute
|
|
:param category: Category to search
|
|
:param org: Org reporting the event
|
|
:param tags: Tags to search for
|
|
:param not_tags: Tags *not* to search for
|
|
:param date_from: First date
|
|
:param date_to: Last date
|
|
:param last: Last updated events (for example 5d or 12h or 30m)
|
|
:param metadata: return onlymetadata if True
|
|
|
|
"""
|
|
val = self.__prepare_rest_search(values, not_values).replace('/', '|')
|
|
tag = self.__prepare_rest_search(tags, not_tags).replace(':', ';')
|
|
query = {}
|
|
if len(val) != 0:
|
|
query['value'] = val
|
|
if len(tag) != 0:
|
|
query['tags'] = tag
|
|
if type_attribute is not None:
|
|
query['type'] = type_attribute
|
|
if category is not None:
|
|
query['category'] = category
|
|
if org is not None:
|
|
query['org'] = org
|
|
if date_from is not None:
|
|
if isinstance(date_from, datetime.date) or isinstance(date_to, datetime.datetime):
|
|
query['from'] = date_from.strftime('%Y-%m-%d')
|
|
else:
|
|
query['from'] = date_from
|
|
if date_to is not None:
|
|
if isinstance(date_to, datetime.date) or isinstance(date_to, datetime.datetime):
|
|
query['to'] = date_to.strftime('%Y-%m-%d')
|
|
else:
|
|
query['to'] = date_to
|
|
if last is not None:
|
|
query['last'] = last
|
|
if metadata is not None:
|
|
query['metadata'] = metadata
|
|
|
|
session = self.__prepare_session()
|
|
return self.__query(session, 'restSearch/download', query, controller)
|
|
|
|
def get_attachement(self, event_id):
|
|
"""
|
|
Get attachement of an event (not sample)
|
|
|
|
:param event_id: Event id from where the attachements will
|
|
be fetched
|
|
"""
|
|
attach = urljoin(self.root_url, 'attributes/downloadAttachment/download/{}'.format(event_id))
|
|
session = self.__prepare_session()
|
|
response = session.get(attach)
|
|
return self._check_response(response)
|
|
|
|
def get_yara(self, event_id):
|
|
to_post = {'request': {'eventid': event_id, 'type': 'yara'}}
|
|
session = self.__prepare_session()
|
|
response = session.post(urljoin(self.root_url, 'attributes/restSearch'), data=json.dumps(to_post))
|
|
result = self._check_response(response)
|
|
if result.get('error') is not None:
|
|
return False, result.get('error')
|
|
if not result.get('response'):
|
|
return False, result.get('message')
|
|
rules = '\n\n'.join([a['value'] for a in result['response']['Attribute']])
|
|
return True, rules
|
|
|
|
def download_samples(self, sample_hash=None, event_id=None, all_samples=False):
|
|
to_post = {'request': {'hash': sample_hash, 'eventID': event_id, 'allSamples': all_samples}}
|
|
session = self.__prepare_session()
|
|
response = session.post(urljoin(self.root_url, 'attributes/downloadSample'), data=json.dumps(to_post))
|
|
result = self._check_response(response)
|
|
if result.get('error') is not None:
|
|
return False, result.get('error')
|
|
if not result.get('result'):
|
|
return False, result.get('message')
|
|
details = []
|
|
for f in result['result']:
|
|
decoded = base64.b64decode(f['base64'])
|
|
zipped = BytesIO(decoded)
|
|
try:
|
|
archive = zipfile.ZipFile(zipped)
|
|
try:
|
|
# New format
|
|
unzipped = BytesIO(archive.open(f['md5'], pwd=b'infected').read())
|
|
except KeyError:
|
|
# Old format
|
|
unzipped = BytesIO(archive.open(f['filename'], pwd=b'infected').read())
|
|
details.append([f['event_id'], f['filename'], unzipped])
|
|
except zipfile.BadZipfile:
|
|
# In case the sample isn't zipped
|
|
details.append([f['event_id'], f['filename'], zipped])
|
|
|
|
return True, details
|
|
|
|
def download_last(self, last):
|
|
"""
|
|
Download the last updated events.
|
|
|
|
:param last: can be defined in days, hours, minutes (for example 5d or 12h or 30m)
|
|
"""
|
|
return self.search(last=last)
|
|
|
|
# ############## Suricata ###############
|
|
|
|
def download_all_suricata(self):
|
|
"""
|
|
Download all suricata rules events.
|
|
"""
|
|
suricata_rules = urljoin(self.root_url, 'events/nids/suricata/download')
|
|
session = self.__prepare_session('rules')
|
|
response = session.get(suricata_rules)
|
|
return response
|
|
|
|
def download_suricata_rule_event(self, event_id):
|
|
"""
|
|
Download one suricata rule event.
|
|
|
|
:param event_id: ID of the event to download (same as get)
|
|
"""
|
|
template = urljoin(self.root_url, 'events/nids/suricata/download/{}'.format(event_id))
|
|
session = self.__prepare_session('rules')
|
|
response = session.get(template)
|
|
return response
|
|
|
|
# ########## Tags ##########
|
|
|
|
def get_all_tags(self, quiet=False):
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, 'tags')
|
|
response = session.get(url)
|
|
r = self._check_response(response)
|
|
if not quiet or r.get('errors'):
|
|
return r
|
|
else:
|
|
to_return = []
|
|
for tag in r['Tag']:
|
|
to_return.append(tag['name'])
|
|
return to_return
|
|
|
|
def new_tag(self, name=None, colour="#00ace6", exportable=False):
|
|
to_post = {'Tag': {'name': name, 'colour': colour, 'exportable': exportable}}
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, 'tags/add')
|
|
response = session.post(url, data=json.dumps(to_post))
|
|
return self._check_response(response)
|
|
|
|
# ########## Version ##########
|
|
|
|
def get_api_version(self):
|
|
"""
|
|
Returns the current version of PyMISP installed on the system
|
|
"""
|
|
return {'version': __version__}
|
|
|
|
def get_api_version_master(self):
|
|
"""
|
|
Get the most recent version of PyMISP from github
|
|
"""
|
|
r = requests.get('https://raw.githubusercontent.com/MISP/PyMISP/master/pymisp/__init__.py')
|
|
if r.status_code == 200:
|
|
version = re.findall("__version__ = '(.*)'", r.text)
|
|
return {'version': version[0]}
|
|
else:
|
|
return {'error': 'Impossible to retrieve the version of the master branch.'}
|
|
|
|
def get_version(self):
|
|
"""
|
|
Returns the version of the instance.
|
|
"""
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, 'servers/getVersion.json')
|
|
response = session.get(url)
|
|
return self._check_response(response)
|
|
|
|
def get_version_master(self):
|
|
"""
|
|
Get the most recent version from github
|
|
"""
|
|
r = requests.get('https://raw.githubusercontent.com/MISP/MISP/2.4/VERSION.json')
|
|
if r.status_code == 200:
|
|
master_version = json.loads(r.text)
|
|
return {'version': '{}.{}.{}'.format(master_version['major'], master_version['minor'], master_version['hotfix'])}
|
|
else:
|
|
return {'error': 'Impossible to retrieve the version of the master branch.'}
|
|
# ############## Export Attributes in text ####################################
|
|
|
|
def get_all_attributes_txt(self, type_attr):
|
|
|
|
session = self.__prepare_session('txt')
|
|
url = urljoin(self.root_url, 'attributes/text/download/%s' % type_attr)
|
|
response = session.get(url)
|
|
return response
|
|
|
|
# ############## Statistics ##################
|
|
|
|
def get_attributes_statistics(self, context='type', percentage=None):
|
|
"""
|
|
Get attributes statistics from the MISP instance
|
|
"""
|
|
session = self.__prepare_session()
|
|
if (context != 'category'):
|
|
context = 'type'
|
|
if percentage is not None:
|
|
url = urljoin(self.root_url, 'attributes/attributeStatistics/{}/{}'.format(context, percentage))
|
|
else:
|
|
url = urljoin(self.root_url, 'attributes/attributeStatistics/{}'.format(context))
|
|
response = session.get(url)
|
|
return self._check_response(response)
|
|
|
|
def get_tags_statistics(self, percentage=None, name_sort=None):
|
|
"""
|
|
Get tags statistics from the MISP instance
|
|
"""
|
|
session = self.__prepare_session()
|
|
if percentage is not None:
|
|
percentage = 'true'
|
|
else:
|
|
percentage = 'false'
|
|
if name_sort is not None:
|
|
name_sort = 'true'
|
|
else:
|
|
name_sort = 'false'
|
|
url = urljoin(self.root_url, 'tags/tagStatistics/{}/{}'.format(percentage, name_sort))
|
|
response = session.get(url)
|
|
return self._check_response(response)
|
|
|
|
# ############## Sightings ##################
|
|
|
|
def sighting_per_id(self, attribute_id):
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, 'sightings/add/{}'.format(attribute_id))
|
|
response = session.post(url)
|
|
return self._check_response(response)
|
|
|
|
def sighting_per_uuid(self, attribute_uuid):
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, 'sightings/add/{}'.format(attribute_uuid))
|
|
response = session.post(url)
|
|
return self._check_response(response)
|
|
|
|
def sighting_per_json(self, json_file):
|
|
session = self.__prepare_session()
|
|
jdata = json.load(open(json_file))
|
|
url = urljoin(self.root_url, 'sightings/add/')
|
|
response = session.post(url, data=json.dumps(jdata))
|
|
return self._check_response(response)
|
|
|
|
# ############## Sharing Groups ##################
|
|
|
|
def get_sharing_groups(self):
|
|
session = self.__prepare_session()
|
|
url = urljoin(self.root_url, 'sharing_groups/index.json')
|
|
response = session.get(url)
|
|
return self._check_response(response)['response'][0]
|