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ail-framework/bin/export/Export.py
Terrtia 3365a054a8
chg: [cleanup] remove ARDB + fix hive case
2023-01-18 16:28:08 +01:00

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import os
import sys
import uuid
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from lib.ConfigLoader import ConfigLoader
from lib.objects.Items import Item
from lib.ail_core import get_ail_uuid
from lib.Investigations import Investigation
from lib.objects import ail_objects
## LOAD CONFIG ##
config_loader = ConfigLoader()
r_cache = config_loader.get_redis_conn("Redis_Cache")
r_db = config_loader.get_db_conn("Kvrocks_DB")
r_serv_db = config_loader.get_redis_conn("ARDB_DB") ######################################
r_serv_metadata = config_loader.get_redis_conn("ARDB_Metadata") ######################################
config_loader = None
## -- ##
sys.path.append('../../configs/keys')
##################################
# Import Keys
##################################
from thehive4py.api import TheHiveApi
from thehive4py.models import Alert, AlertArtifact, Case, CaseObservable
import thehive4py.exceptions
from pymisp import MISPEvent, MISPObject, PyMISP
##################################
# THE HIVE
##################################
HIVE_CLIENT = None
try:
from theHiveKEYS import the_hive_url, the_hive_key, the_hive_verifycert
HIVE_URL = the_hive_url
HIVE_KEY = the_hive_key
HIVE_VERIFY_CERT = the_hive_verifycert
except:
HIVE_URL = None
HIVE_KEY = None
HIVE_VERIFY_CERT = None
def get_hive_client():
global HIVE_CLIENT
try:
HIVE_CLIENT = TheHiveApi(HIVE_URL, HIVE_KEY, cert=HIVE_VERIFY_CERT)
except:
HIVE_CLIENT = None
return HIVE_CLIENT
def is_hive_connected():
try:
# print(hive_client.health())
HIVE_CLIENT.get_alert(0)
return True
except thehive4py.exceptions.AlertException:
return False
HIVE_CLIENT = get_hive_client()
def sanitize_threat_level_hive(threat_level):
try:
int(threat_level)
if 1 <= threat_level <= 3:
return threat_level
else:
return 2
except:
return 2
def sanitize_tlp_hive(tlp):
try:
int(tlp)
if 0 <= tlp <= 3:
return tlp
else:
return 2
except:
return 2
def create_thehive_alert(item_id, tag_trigger):
item = Item(item_id)
meta = item.get_meta()
# TheHive expects a file
content = item.get_raw_content(decompress=True)
# remove .gz from submitted path to TheHive because we've decompressed it
if item_id.endswith(".gz"):
item_id = item_id[:-3]
# add .txt it's easier to open when downloaded from TheHive
item_id = f'{item_id}.txt'
artifacts = [
AlertArtifact(dataType='other', message='uuid-ail', data=(get_ail_uuid())),
AlertArtifact(dataType='file', data=(content, item_id), tags=meta['tags'])
]
# Prepare the sample Alert
sourceRef = str(uuid.uuid4())[0:6]
alert = Alert(title='AIL Leak',
tlp=3,
tags=meta['tags'],
description='AIL Leak, triggered by {}'.format(tag_trigger),
type='ail',
source=meta['source'], # Use item ID ?
sourceRef=sourceRef,
artifacts=artifacts)
# Create the Alert
alert_id = None
try:
response = HIVE_CLIENT.create_alert(alert)
if response.status_code == 201:
# print(json.dumps(response.json(), indent=4, sort_keys=True))
print('Alert Created')
print(response.json())
alert_id = response.json()['id']
else:
print(f'ko: {response.status_code}/{response.text}')
return 0
except:
print('hive connection error')
print(alert_id)
# TODO SAVE CASE URL ????????????????????????
def create_thehive_case(item_id, title=None, tlp=2, threat_level=2, description=None):
item = Item(item_id)
ail_uuid = get_ail_uuid()
if not title:
title = f'AIL Case {item.id}'
if not description:
description = f'AIL {ail_uuid} Case'
date = item.get_date()
date = f'{date[0:4]}-{date[4:6]}-{date[6:8]}'
tags = item.get_tags(r_list=True)
case = Case(title=title,
tlp=tlp,
severity=threat_level,
flag=False,
tags=tags,
description=description)
# Create Case
response = get_hive_client().create_case(case)
if response.status_code == 201:
case_id = response.json()['id']
observables = [
CaseObservable(dataType="other", data=[ail_uuid], message="uuid-ail"),
CaseObservable(dataType="file", data=item.get_filename(), tags=tags),
CaseObservable(dataType="other", data=[item.get_source()], message="source"),
CaseObservable(dataType="other", data=[date], message="last-seen")
]
for observable in observables:
resp = HIVE_CLIENT.create_case_observable(case_id, observable)
if resp.status_code != 201:
print(f'error observable creation: {resp.status_code}/{resp.text}')
# print(case_id)
# return HIVE_URL /thehive/cases/~37040/details
return case_id
# r_serv_metadata.set('hive_cases:'+path, id)
else:
print(f'ko: {response.status_code}/{response.text}')
return None
def get_case_url(case_id):
return f'{HIVE_URL}/cases/{case_id}/details'
# TODO
def get_item_hive_cases(item_id):
hive_case = r_serv_metadata.get('hive_cases:{}'.format(item_id))
if hive_case:
hive_case = the_hive_url + '/index.html#/case/{}/details'.format(hive_case)
return hive_case
##################################
# MISP
##################################
try:
from mispKEYS import misp_url, misp_key, misp_verifycert
MISP_URL = misp_url
MISP_KEY = misp_key
MISP_VERIFYCERT = misp_verifycert
if MISP_URL.endswith('/'):
MISP_URL = MISP_URL[:-1]
except:
MISP_URL = None
MISP_KEY = None
MISP_VERIFYCERT = None
def get_misp_client():
return PyMISP(misp_url, misp_key, misp_verifycert)
# # TODO: return error
def ping_misp():
try:
PyMISP(misp_url, misp_key, misp_verifycert)
return True
except Exception as e:
print(e)
return False
def sanitize_misp_event_distribution(distribution):
try:
int(distribution)
if 0 <= distribution <= 3:
return distribution
else:
return 0
except:
return 0
def sanitize_misp_event_threat_level(threat_level):
try:
int(threat_level)
if 1 <= threat_level <= 4:
return threat_level
else:
return 4
except:
return 4
def sanitize_misp_event_analysis(analysis):
try:
int(analysis)
if 0 <= analysis <= 2:
return analysis
else:
return 0
except:
return 0
def create_misp_event(objs, event_uuid=None, date=None, distribution=0, threat_level_id=4, publish=False, analysis=0,
info=None, tags=None, export=False):
if tags is None:
tags = []
event = MISPEvent()
if not event_uuid:
event_uuid = str(uuid.uuid4())
event.uuid = event_uuid
if date:
event.date = date
if not info:
info = 'AIL framework export'
event.info = info
if publish:
event.publish()
for tag in tags:
event.add_tag(tag)
event.distribution = sanitize_misp_event_distribution(distribution)
event.threat_level_id = sanitize_misp_event_threat_level(threat_level_id)
event.analysis = sanitize_misp_event_analysis(analysis)
misp_objects = ail_objects.get_misp_objects(objs)
for obj in misp_objects:
event.add_object(obj)
# print(event.to_json())
if export:
misp = get_misp_client()
misp_event = misp.add_event(event)
# TODO: handle error
misp_event['url'] = f'{MISP_URL}/events/view/{misp_event["Event"]["uuid"]}'
return misp_event
else:
return {'uuid': event['uuid'], 'event': event.to_json()}
def create_investigation_misp_event(investigation_uuid):
investigation = Investigation(investigation_uuid)
objs = ail_objects.get_objects(investigation.get_objects())
event = create_misp_event(objs,
# event_uuid=investigation.get_uuid(separator=True), # TODO EDIT EXISTING EVENT ????
date=investigation.get_date(),
distribution=0,
threat_level_id=investigation.get_threat_level(),
analysis=investigation.get_analysis(),
info=investigation.get_info(),
tags=investigation.get_tags(),
export=True)
url = event['url']
if url:
investigation.add_misp_events(url)
return url
def get_user_misp_objects_to_export(user_id):
objs = []
objects = r_db.hgetall(f'user:obj:misp:export:{user_id}')
for obj in objects:
obj_type, obj_subtype, obj_id = obj.split(':', 2)
lvl = objects[obj]
try:
lvl = int(lvl)
except:
lvl = 0
objs.append({'type': obj_type, 'subtype': obj_subtype, 'id': obj_id, 'lvl': lvl})
return objs
def add_user_misp_object_to_export(user_id, obj_type, obj_subtype, obj_id, lvl=0):
if not obj_subtype:
obj_subtype = ''
r_db.hset(f'user:obj:misp:export:{user_id}', f'{obj_type}:{obj_subtype}:{obj_id}', lvl)
def delete_user_misp_object_to_export(user_id, obj_type, obj_subtype, obj_id):
r_db.hdel(f'user:obj:misp:export:{user_id}', f'{obj_type}:{obj_subtype}:{obj_id}')
def delete_user_misp_objects_to_export(user_id):
r_db.delete(f'user:obj:misp:export:{user_id}')
###########################################################
# # set default
# if r_serv_db.get('hive:auto-alerts') is None:
# r_serv_db.set('hive:auto-alerts', 0)
#
# if r_serv_db.get('misp:auto-events') is None:
# r_serv_db.set('misp:auto-events', 0)
# if __name__ == '__main__':
# from lib.objects.Cves import Cve
# create_misp_event([Item('crawled/2020/09/14/circl.lu0f4976a4-dda4-4189-ba11-6618c4a8c951'),
# Cve('CVE-2020-16856'), Cve('CVE-2014-6585'), Cve('CVE-2015-0383'),
# Cve('CVE-2015-0410')])
# create_investigation_misp_event('c6bbf8fa9ead4cc698eaeb07835cca5d)
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