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93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021-2022 The MVT Project Authors.
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# Use of this software is governed by the MVT License 1.1 that can be found at
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# https://license.mvt.re/1.1/
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import logging
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from .base import AndroidExtraction
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log = logging.getLogger(__name__)
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class DumpsysBatteryDaily(AndroidExtraction):
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"""This module extracts records from battery daily updates."""
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def __init__(self, file_path=None, base_folder=None, output_folder=None,
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serial=None, fast_mode=False, log=None, results=[]):
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super().__init__(file_path=file_path, base_folder=base_folder,
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output_folder=output_folder, fast_mode=fast_mode,
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log=log, results=results)
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def serialize(self, record):
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return {
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"timestamp": record["from"],
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"module": self.__class__.__name__,
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"event": "battery_daily",
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"data": f"Recorded update of package {record['package_name']} with vers {record['vers']}"
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}
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def check_indicators(self):
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if not self.indicators:
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return
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for result in self.results:
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ioc = self.indicators.check_app_id(result["package_name"])
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if ioc:
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result["matched_indicator"] = ioc
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self.detected.append(result)
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continue
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@staticmethod
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def parse_battery_daily(output):
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results = []
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daily = None
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daily_updates = []
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for line in output.splitlines()[1:]:
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if line.startswith(" Daily from "):
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if len(daily_updates) > 0:
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results.extend(daily_updates)
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daily_updates = []
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timeframe = line[13:].strip()
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date_from, date_to = timeframe.strip(":").split(" to ", 1)
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daily = {"from": date_from[0:10], "to": date_to[0:10]}
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continue
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if not daily:
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continue
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if not line.strip().startswith("Update "):
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continue
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line = line.strip().replace("Update ", "")
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package_name, vers = line.split(" ", 1)
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vers_nr = vers.split("=", 1)[1]
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already_seen = False
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for update in daily_updates:
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if package_name == update["package_name"] and vers_nr == update["vers"]:
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already_seen = True
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break
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if not already_seen:
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daily_updates.append({
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"action": "update",
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"from": daily["from"],
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"to": daily["to"],
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"package_name": package_name,
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"vers": vers_nr,
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})
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return results
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def run(self):
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self._adb_connect()
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output = self._adb_command("dumpsys batterystats --daily")
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self.results = self.parse_battery_daily(output)
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self.log.info("Extracted %d records from battery daily stats", len(self.results))
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self._adb_disconnect()
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