mvt/mvt/common/cmd_check_iocs.py
2023-11-21 18:03:28 +01:00

83 lines
2.6 KiB
Python

# Mobile Verification Toolkit (MVT)
# Copyright (c) 2021-2023 The MVT Authors.
# Use of this software is governed by the MVT License 1.1 that can be found at
# https://license.mvt.re/1.1/
import logging
import os
from typing import Optional
from mvt.common.command import Command
from mvt.common.utils import exec_or_profile
log = logging.getLogger(__name__)
class CmdCheckIOCS(Command):
def __init__(
self,
target_path: Optional[str] = None,
results_path: Optional[str] = None,
ioc_files: Optional[list] = None,
module_name: Optional[str] = None,
serial: Optional[str] = None,
module_options: Optional[dict] = None,
) -> None:
super().__init__(
target_path=target_path,
results_path=results_path,
ioc_files=ioc_files,
module_name=module_name,
serial=serial,
module_options=module_options,
log=log,
)
self.name = "check-iocs"
def run(self) -> None:
assert self.target_path is not None
all_modules = []
for entry in self.modules:
if entry not in all_modules:
all_modules.append(entry)
log.info("Checking stored results against provided indicators...")
total_detections = 0
for file_name in os.listdir(self.target_path):
name_only, _ = os.path.splitext(file_name)
file_path = os.path.join(self.target_path, file_name)
for iocs_module in all_modules:
if self.module_name and iocs_module.__name__ != self.module_name:
continue
if iocs_module.get_slug() != name_only:
continue
log.info(
'Loading results from "%s" with module %s',
file_name,
iocs_module.__name__,
)
m = iocs_module.from_json(
file_path, log=logging.getLogger(iocs_module.__module__)
)
if self.iocs.total_ioc_count > 0:
m.indicators = self.iocs
m.indicators.log = m.log
try:
exec_or_profile("m.check_indicators()", globals(), locals())
except NotImplementedError:
continue
else:
total_detections += len(m.detected)
if total_detections > 0:
log.warning(
"The check of the results produced %d detections!", total_detections
)