mirror of
https://github.com/ail-project/ail-framework.git
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117 lines
3.8 KiB
Python
Executable file
117 lines
3.8 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 import ail_objects
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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.get_tracked_yara_rules()
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self.last_refresh = time.time()
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self.obj = 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, obj_id, obj_type='item', subtype=''):
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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.get_tracked_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.obj = ail_objects.get_object(obj_type, subtype, obj_id)
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obj_type = self.obj.get_type()
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# Object Filter
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if obj_type not in self.rules:
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return None
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content = self.obj.get_content(r_str=True)
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try:
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yara_match = self.rules[obj_type].match(data=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.obj.get_id()}: {yara_match}')
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print(f'{self.obj.get_id()}: {yara_match}')
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except yara.TimeoutError:
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print(f'{self.obj.get_id()}: yara scanning timed out')
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self.redis_logger.info(f'{self.obj.get_id()}: yara scanning timed out')
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def yara_rules_match(self, data):
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tracker_name = data['namespace']
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obj_id = self.obj.get_id()
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for tracker_uuid in Tracker.get_trackers_by_tracked_obj_type('yara', self.obj.get_type(), tracker_name):
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tracker = Tracker.Tracker(tracker_uuid)
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# Filter Object
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filters = tracker.get_filters()
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if ail_objects.is_filtered(self.obj, filters):
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continue
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if self.obj.get_type() == 'item':
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date = self.obj.get_date()
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else:
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date = None
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tracker.add(self.obj.get_type(), self.obj.get_subtype(r_str=True), obj_id, date=date)
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# Tags
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for tag in tracker.get_tags():
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if self.obj.get_type() == 'item':
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msg = f'{tag};{obj_id}'
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self.add_message_to_queue(msg, 'Tags')
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else:
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self.obj.add_tag(tag)
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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, self.obj)
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# Webhook
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if tracker.webhook_export():
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self.exporters['webhook'].export(tracker, self.obj)
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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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# module.compute('archive/gist.github.com/2023/04/13/chipzoller_d8d6d2d737d02ad4fe9d30a897170761.gz')
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