mvt/mvt/android/modules/adb/dumpsys_battery_daily.py

88 lines
2.9 KiB
Python

# Mobile Verification Toolkit (MVT)
# Copyright (c) 2021 The MVT Project 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 .base import AndroidExtraction
log = logging.getLogger(__name__)
class DumpsysBatteryDaily(AndroidExtraction):
"""This module extracts records from battery daily updates."""
def __init__(self, file_path=None, base_folder=None, output_folder=None,
serial=None, fast_mode=False, log=None, results=[]):
super().__init__(file_path=file_path, base_folder=base_folder,
output_folder=output_folder, fast_mode=fast_mode,
log=log, results=results)
def serialize(self, record):
return {
"timestamp": record["from"],
"module": self.__class__.__name__,
"event": f"battery_daily",
"data": f"Recorded update of package {record['package']} with vers {record['vers']}"
}
def check_indicators(self):
for result in self.results:
ioc = self.indicators.check_app_id(result["package"])
if ioc:
result["matched_indicators"] = ioc
self.detected.append(result)
continue
def process_battery_history(self, output):
daily = None
daily_updates = []
for line in output.split("\n")[1:]:
if line.startswith(" Daily from "):
timeframe = line[13:].strip()
date_from, date_to = timeframe.strip(":").split(" to ", 1)
daily = {"from": date_from[0:10], "to": date_to[0:10]}
if not daily:
continue
if line.strip() == "":
self.results.extend(daily_updates)
daily = None
daily_updates = []
continue
if not line.strip().startswith("Update "):
continue
line = line.strip().replace("Update ", "")
package, vers = line.split(" ", 1)
vers_nr = vers.split("=", 1)[1]
already_seen = False
for update in daily_updates:
if package == update["package"] and vers_nr == update["vers"]:
already_seen = True
break
if not already_seen:
daily_updates.append({
"action": "update",
"from": daily["from"],
"to": daily["to"],
"package": package,
"vers": vers_nr,
})
self.log.info("Extracted %d records from battery daily stats", len(self.results))
def run(self):
self._adb_connect()
output = self._adb_command("dumpsys batterystats --daily")
self.process_battery_history(output)
self._adb_disconnect()