mirror of https://github.com/CIRCL/AIL-framework
126 lines
4.5 KiB
Python
Executable File
126 lines
4.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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##################################
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# The Tracker_Yara trackers module
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##################################
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##################################
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# Import External packages
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##################################
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import os
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import re
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import sys
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import time
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import yara
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import requests
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sys.path.append(os.environ['AIL_BIN'])
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##################################
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# Import Project packages
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##################################
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from modules.abstract_module import AbstractModule
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from packages import Term
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from packages.Item import Item
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from lib import Tracker
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import NotificationHelper # # TODO: refactor
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class Tracker_Yara(AbstractModule):
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mail_body_template = "AIL Framework,\nNew YARA match: {}\nitem id: {}\nurl: {}{}"
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"""
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Tracker_Yara module for AIL framework
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"""
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def __init__(self):
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super(Tracker_Yara, self).__init__()
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self.pending_seconds = 5
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self.full_item_url = self.process.config.get("Notifications", "ail_domain") + "/object/item?id="
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# Load Yara rules
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self.rules = Tracker.reload_yara_rules()
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self.last_refresh = time.time()
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self.item = None
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self.redis_logger.info(f"Module: {self.module_name} Launched")
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def compute(self, item_id):
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# refresh YARA list
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if self.last_refresh < Tracker.get_tracker_last_updated_by_type('yara'):
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self.rules = Tracker.reload_yara_rules()
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self.last_refresh = time.time()
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self.redis_logger.debug('Tracked set refreshed')
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print('Tracked set refreshed')
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self.item = Item(item_id)
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item_content = self.item.get_content()
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try:
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yara_match = self.rules.match(data=item_content, callback=self.yara_rules_match, which_callbacks=yara.CALLBACK_MATCHES, timeout=60)
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if yara_match:
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self.redis_logger.warning(f'tracker yara: new match {self.item.get_id()}: {yara_match}')
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print(f'{self.item.get_id()}: {yara_match}')
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except yara.TimeoutError as e:
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print(f'{self.item.get_id()}: yara scanning timed out')
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self.redis_logger.info(f'{self.item.get_id()}: yara scanning timed out')
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def yara_rules_match(self, data):
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tracker_uuid = data['namespace']
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item_id = self.item.get_id()
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item_source = self.item.get_source()
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item_date = self.item.get_date()
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# Source Filtering
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tracker_sources = Tracker.get_tracker_uuid_sources(tracker_uuid)
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if tracker_sources and item_source not in tracker_sources:
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print(f'Source Filtering: {data["rule"]}')
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return yara.CALLBACK_CONTINUE
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Tracker.add_tracked_item(tracker_uuid, item_id)
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# Tags
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tags_to_add = Tracker.get_tracker_tags(tracker_uuid)
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for tag in tags_to_add:
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msg = '{};{}'.format(tag, item_id)
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self.send_message_to_queue(msg, 'Tags')
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# Mails
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mail_to_notify = Tracker.get_tracker_mails(tracker_uuid)
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if mail_to_notify:
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mail_subject = Tracker.get_email_subject(tracker_uuid)
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mail_body = Tracker_Yara.mail_body_template.format(data['rule'], item_id, self.full_item_url, item_id)
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for mail in mail_to_notify:
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self.redis_logger.debug(f'Send Mail {mail_subject}')
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print(f'Send Mail {mail_subject}')
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NotificationHelper.sendEmailNotification(mail, mail_subject, mail_body)
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# Webhook
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webhook_to_post = Term.get_term_webhook(tracker_uuid)
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if webhook_to_post:
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json_request = {"trackerId": tracker_uuid,
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"itemId": item_id,
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"itemURL": self.full_item_url + item_id,
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"dataRule": data["rule"],
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"itemSource": item_source,
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"itemDate": item_date,
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"tags": tags_to_add,
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"emailNotification": f'{mail_to_notify}',
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"trackerType": "yara"
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}
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try:
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response = requests.post(webhook_to_post, json=json_request)
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if response.status_code >= 400:
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self.redis_logger.error(f"Webhook request failed for {webhook_to_post}\nReason: {response.reason}")
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except:
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self.redis_logger.error(f"Webhook request failed for {webhook_to_post}\nReason: Something went wrong")
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return yara.CALLBACK_CONTINUE
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if __name__ == '__main__':
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module = Tracker_Yara()
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module.run()
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