mirror of https://github.com/MISP/PyMISP
88 lines
3.4 KiB
Python
Executable File
88 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
from pymisp import PyMISP, MISPEvent
|
|
from pymisp.tools import Fail2BanObject
|
|
import argparse
|
|
from base64 import b64decode
|
|
from io import BytesIO
|
|
import os
|
|
from datetime import date, datetime
|
|
from dateutil.parser import parse
|
|
|
|
|
|
try:
|
|
from keys import misp_url, misp_key, misp_verifycert
|
|
except Exception:
|
|
misp_url = 'URL'
|
|
misp_key = 'AUTH_KEY'
|
|
misp_verifycert = True
|
|
|
|
|
|
def create_new_event():
|
|
me = MISPEvent()
|
|
me.info = "Fail2Ban blocking"
|
|
me.add_tag(args.tag)
|
|
start = datetime.now()
|
|
me.add_attribute('datetime', start.isoformat(), comment='Start Time')
|
|
return me
|
|
|
|
|
|
if __name__ == '__main__':
|
|
parser = argparse.ArgumentParser(description='Add Fail2ban object.')
|
|
parser.add_argument("-b", "--banned_ip", required=True, help="Banned IP address.")
|
|
parser.add_argument("-a", "--attack_type", required=True, help="Type of attack.")
|
|
parser.add_argument("-t", "--tag", required=True, help="Tag to search on MISP.")
|
|
parser.add_argument("-p", "--processing_timestamp", help="Processing timestamp.")
|
|
parser.add_argument("-f", "--failures", help="Amount of failures that lead to the ban.")
|
|
parser.add_argument("-s", "--sensor", help="Sensor identifier.")
|
|
parser.add_argument("-v", "--victim", help="Victim identifier.")
|
|
parser.add_argument("-l", "--logline", help="Logline (base64 encoded).")
|
|
parser.add_argument("-F", "--logfile", help="Path to a logfile to attach.")
|
|
parser.add_argument("-n", "--force_new", action='store_true', default=False, help="Force new MISP event.")
|
|
parser.add_argument("-d", "--disable_new", action='store_true', default=False, help="Do not create a new Event.")
|
|
args = parser.parse_args()
|
|
|
|
pymisp = PyMISP(misp_url, misp_key, misp_verifycert, debug=True)
|
|
event_id = -1
|
|
me = None
|
|
if args.force_new:
|
|
me = create_new_event()
|
|
else:
|
|
response = pymisp.search_index(tag=args.tag, timestamp='1h')
|
|
if response['response']:
|
|
if args.disable_new:
|
|
event_id = response['response'][0]['id']
|
|
else:
|
|
last_event_date = parse(response['response'][0]['date']).date()
|
|
nb_attr = response['response'][0]['attribute_count']
|
|
if last_event_date < date.today() or int(nb_attr) > 1000:
|
|
me = create_new_event()
|
|
else:
|
|
event_id = response['response'][0]['id']
|
|
else:
|
|
me = create_new_event()
|
|
|
|
parameters = {'banned-ip': args.banned_ip, 'attack-type': args.attack_type}
|
|
if args.processing_timestamp:
|
|
parameters['processing-timestamp'] = args.processing_timestamp
|
|
if args.failures:
|
|
parameters['failures'] = args.failures
|
|
if args.sensor:
|
|
parameters['sensor'] = args.sensor
|
|
if args.victim:
|
|
parameters['victim'] = args.victim
|
|
if args.logline:
|
|
parameters['logline'] = b64decode(args.logline).decode()
|
|
if args.logfile:
|
|
with open(args.logfile, 'rb') as f:
|
|
parameters['logfile'] = {'value': os.path.basename(args.logfile),
|
|
'data': BytesIO(f.read())}
|
|
f2b = Fail2BanObject(parameters=parameters, standalone=False)
|
|
if me:
|
|
me.add_object(f2b)
|
|
pymisp.add_event(me)
|
|
elif event_id:
|
|
template_id = pymisp.get_object_template_id(f2b.template_uuid)
|
|
a = pymisp.add_object(event_id, template_id, f2b)
|