mvt/mvt/ios/modules/backup/profile_events.py
2023-09-09 17:55:27 +02:00

122 lines
3.8 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 plistlib
from typing import Optional, Union
from mvt.common.utils import convert_datetime_to_iso
from ..base import IOSExtraction
# CONF_PROFILES_EVENTS_ID = "aeb25de285ea542f7ac7c2070cddd1961e369df1"
CONF_PROFILES_EVENTS_RELPATH = "Library/ConfigurationProfiles/MCProfileEvents.plist"
class ProfileEvents(IOSExtraction):
"""This module extracts events related to the installation of configuration
profiles.
"""
def __init__(
self,
file_path: Optional[str] = None,
target_path: Optional[str] = None,
results_path: Optional[str] = None,
module_options: Optional[dict] = None,
log: logging.Logger = logging.getLogger(__name__),
results: Optional[list] = None,
) -> None:
super().__init__(
file_path=file_path,
target_path=target_path,
results_path=results_path,
module_options=module_options,
log=log,
results=results,
)
def serialize(self, record: dict) -> Union[dict, list]:
return {
"timestamp": record.get("timestamp"),
"module": self.__class__.__name__,
"event": "profile_operation",
"data": f"Process {record.get('process')} started operation "
f"{record.get('operation')} of profile "
f"{record.get('profile_id')}",
}
def check_indicators(self) -> None:
if not self.indicators:
return
for result in self.results:
ioc = self.indicators.check_process(result.get("process"))
if ioc:
result["matched_indicator"] = ioc
self.detected.append(result)
continue
ioc = self.indicators.check_profile(result.get("profile_id"))
if ioc:
result["matched_indicator"] = ioc
self.detected.append(result)
@staticmethod
def parse_profile_events(file_data: bytes) -> list:
results = []
events_plist = plistlib.loads(file_data)
if "ProfileEvents" not in events_plist:
return results
for event in events_plist["ProfileEvents"]:
key = list(event.keys())[0]
result = {
"profile_id": key,
"timestamp": "",
"operation": "",
"process": "",
}
for key, value in event[key].items():
key = key.lower()
if key == "timestamp":
result["timestamp"] = str(convert_datetime_to_iso(value))
else:
result[key] = value
results.append(result)
return results
def run(self) -> None:
for events_file in self._get_backup_files_from_manifest(
relative_path=CONF_PROFILES_EVENTS_RELPATH
):
events_file_path = self._get_backup_file_from_id(events_file["file_id"])
if not events_file_path:
continue
self.log.info("Found MCProfileEvents.plist file at %s", events_file_path)
with open(events_file_path, "rb") as handle:
self.results.extend(self.parse_profile_events(handle.read()))
for result in self.results:
self.log.info(
'On %s process "%s" started operation "%s" of profile "%s"',
result.get("timestamp"),
result.get("process"),
result.get("operation"),
result.get("profile_id"),
)
self.log.info("Extracted %d profile events", len(self.results))