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https://github.com/ail-project/ail-framework.git
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107 lines
3.2 KiB
Python
Executable file
107 lines
3.2 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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##################################
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# Import External packages
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##################################
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import os
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import sys
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import time
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import yara
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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 lib.objects.Items import Item
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from lib import Tracker
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from exporter.MailExporter import MailExporterTracker
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from exporter.WebHookExporter import WebHookExporterTracker
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class Tracker_Yara(AbstractModule):
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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, queue=True):
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super(Tracker_Yara, self).__init__(queue=queue)
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self.pending_seconds = 5
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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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# Exporter
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self.exporters = {'mail': MailExporterTracker(),
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'webhook': WebHookExporterTracker()}
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self.redis_logger.info(f"Module: {self.module_name} Launched")
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def compute(self, item_id, item_content=None):
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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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if not item_content:
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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,
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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:
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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 = Item(item_id)
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item_source = self.item.get_source()
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tracker = Tracker.Tracker(tracker_uuid)
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# Source Filtering
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tracker_sources = tracker.get_sources()
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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) # TODO
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# Tags
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for tag in tracker.get_tags():
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msg = f'{tag};{item_id}'
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self.add_message_to_queue(msg, 'Tags')
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# Mails
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if tracker.mail_export():
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# TODO add matches + custom subjects
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self.exporters['mail'].export(tracker, item)
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# Webhook
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if tracker.webhook_export():
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self.exporters['webhook'].export(tracker, item)
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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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