AIL-framework/bin/MISP_The_Hive_feeder.py

249 lines
7.7 KiB
Python
Executable File

#!/usr/bin/env python3
# -*-coding:UTF-8 -*
"""
module
====================
This module send tagged pastes to MISP or THE HIVE Project
"""
import os
import sys
import uuid
import redis
import time
import json
import binascii
import gzip
from pubsublogger import publisher
from Helper import Process
import ailleakObject
sys.path.append(os.path.join(os.environ['AIL_BIN'], 'packages'))
import Tag
sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib'))
import ConfigLoader
import item_basic
from pymisp import PyMISP
sys.path.append('../configs/keys')
# import MISP KEYS
try:
from mispKEYS import misp_url, misp_key, misp_verifycert
flag_misp = True
except:
print('Misp keys not present')
flag_misp = False
# import The Hive Keys
try:
from theHiveKEYS import the_hive_url, the_hive_key, the_hive_verifycert
if the_hive_url == '':
flag_the_hive = False
else:
flag_the_hive = True
except:
print('The HIVE keys not present')
flag_the_hive = False
HiveApi = False
from thehive4py.api import TheHiveApi
import thehive4py.exceptions
from thehive4py.models import Alert, AlertArtifact
from thehive4py.models import Case, CaseTask, CustomFieldHelper
def is_gzip_file(magic_nuber):
return binascii.hexlify(magic_nuber) == b'1f8b'
def create_the_hive_alert(source, item_id, tag):
# # TODO: check items status (processed by all modules)
# # TODO: add item metadata: decoded content, link to auto crawled content, pgp correlation, cryptocurrency correlation...
# # # TODO: description, add AIL link:show items ?
tags = list( r_serv_metadata.smembers('tag:{}'.format(item_id)) )
path = item_basic.get_item_filepath(item_id)
paste_handle = open(path, 'rb')
paste_data = paste_handle.read()
tmp_path = None
if is_gzip_file(paste_data[0:2]): # if gzip, create a new file to supply to TheHive
paste_handle.close() # TheHive expects a file handle, that's why we create a new file
tmp_data = gzip.decompress(paste_data)
tmp_path = path + '.unzip'
with open(tmp_path, 'wb+') as f:
f.write(tmp_data)
paste_handle = open(tmp_path, 'rb')
if path.endswith(".gz"): # remove .gz from submitted path to TheHive beause we've decompressed it
path = path[:-3]
path = os.path.basename(os.path.normpath(path)) + ".txt" # get last part of path, add .txt so it's easier to open when downloaded from TheHive
artifacts = [
AlertArtifact( dataType='uuid-ail', data=r_serv_db.get('ail:uuid') ),
AlertArtifact( dataType='file', data=(paste_handle, path), tags=tags )
]
# Prepare the sample Alert
sourceRef = str(uuid.uuid4())[0:6]
alert = Alert(title='AIL Leak',
tlp=3,
tags=tags,
description='AIL Leak, triggered by {}'.format(tag),
type='ail',
source=source,
sourceRef=sourceRef,
artifacts=artifacts)
# Create the Alert
id = None
try:
response = HiveApi.create_alert(alert)
if response.status_code == 201:
#print(json.dumps(response.json(), indent=4, sort_keys=True))
print('Alert Created')
print('')
id = response.json()['id']
else:
print('ko: {}/{}'.format(response.status_code, response.text))
return 0
except:
print('hive connection error')
paste_handle.close()
if tmp_path is not None: # this file has been send to TheHive, we won't ever need it again
os.remove(tmp_path)
def feeder(message, count=0):
if flag_the_hive or flag_misp:
tag, item_id = message.split(';')
## FIXME: remove it
if not item_basic.exist_item(item_id):
if count < 10:
r_serv_db.zincrby('mess_not_saved_export', 1, message)
return 0
else:
r_serv_db.zrem('mess_not_saved_export', message)
print('Error: {} do not exist, tag= {}'.format(item_id, tag))
return 0
source = item_basic.get_source(item_id)
if HiveApi != False:
if int(r_serv_db.get('hive:auto-alerts')) == 1:
if r_serv_db.sismember('whitelist_hive', tag):
create_the_hive_alert(source, item_id, tag)
else:
print('hive, auto alerts creation disable')
if flag_misp:
if int(r_serv_db.get('misp:auto-events')) == 1:
if r_serv_db.sismember('whitelist_misp', tag):
misp_wrapper.pushToMISP(uuid_ail, item_id, tag)
else:
print('misp, auto events creation disable')
if __name__ == "__main__":
publisher.port = 6380
publisher.channel = "Script"
config_section = 'MISP_The_hive_feeder'
config_loader = ConfigLoader.ConfigLoader()
r_serv_db = config_loader.get_redis_conn("ARDB_DB")
r_serv_metadata = config_loader.get_redis_conn("ARDB_Metadata")
# set sensor uuid
uuid_ail = r_serv_db.get('ail:uuid')
if uuid_ail is None:
uuid_ail = r_serv_db.set('ail:uuid', uuid.uuid4() )
# 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)
p = Process(config_section)
# create MISP connection
if flag_misp:
try:
pymisp = PyMISP(misp_url, misp_key, misp_verifycert)
except:
flag_misp = False
r_serv_db.set('ail:misp', False)
print('Not connected to MISP')
if flag_misp:
#try:
misp_wrapper = ailleakObject.ObjectWrapper(pymisp)
r_serv_db.set('ail:misp', True)
print('Connected to MISP:', misp_url)
#except Exception as e:
# flag_misp = False
# r_serv_db.set('ail:misp', False)
# print(e)
# print('Not connected to MISP')
# create The HIVE connection
if flag_the_hive:
try:
HiveApi = TheHiveApi(the_hive_url, the_hive_key, cert = the_hive_verifycert)
except:
HiveApi = False
flag_the_hive = False
r_serv_db.set('ail:thehive', False)
print('Not connected to The HIVE')
else:
HiveApi = False
if HiveApi != False and flag_the_hive:
try:
HiveApi.get_alert(0)
r_serv_db.set('ail:thehive', True)
print('Connected to The HIVE:', the_hive_url)
except thehive4py.exceptions.AlertException:
HiveApi = False
flag_the_hive = False
r_serv_db.set('ail:thehive', False)
print('Not connected to The HIVE')
refresh_time = 3
## FIXME: remove it
PASTES_FOLDER = os.path.join(os.environ['AIL_HOME'], config_loader.get_config_str("Directories", "pastes"))
config_loader = None
time_1 = time.time()
while True:
# Get one message from the input queue
message = p.get_from_set()
if message is None:
# handle not saved pastes
if int(time.time() - time_1) > refresh_time:
num_queu = r_serv_db.zcard('mess_not_saved_export')
list_queu = r_serv_db.zrange('mess_not_saved_export', 0, -1, withscores=True)
if num_queu and list_queu:
for i in range(0, num_queu):
feeder(list_queu[i][0],list_queu[i][1])
time_1 = time.time()
else:
publisher.debug("{} queue is empty, waiting 1s".format(config_section))
time.sleep(1)
else:
feeder(message)