mirror of https://github.com/mvt-project/mvt.git
113 lines
4.1 KiB
Python
113 lines
4.1 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021 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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import os
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import pkg_resources
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from .base import AndroidExtraction
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log = logging.getLogger(__name__)
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class Packages(AndroidExtraction):
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"""This module extracts the list of installed packages."""
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def __init__(self, file_path=None, base_folder=None, output_folder=None,
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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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records = []
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timestamps = [
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{"event": "package_install", "timestamp": record["timestamp"]},
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{"event": "package_first_install", "timestamp": record["first_install_time"]},
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{"event": "package_last_update", "timestamp": record["last_update_time"]},
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]
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for ts in timestamps:
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records.append({
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"timestamp": ts["timestamp"],
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"module": self.__class__.__name__,
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"event": ts["event"],
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"data": f"{record['package_name']} (system: {record['system']}, third party: {record['third_party']})",
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})
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return records
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def check_indicators(self):
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root_packages_path = os.path.join("..", "..", "data", "root_packages.txt")
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root_packages_string = pkg_resources.resource_string(__name__, root_packages_path)
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root_packages = root_packages_string.decode("utf-8").split("\n")
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for root_package in root_packages:
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root_package = root_package.strip()
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if not root_package:
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continue
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if root_package in self.results:
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self.log.warning("Found an installed package related to rooting/jailbreaking: \"%s\"",
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root_package)
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self.detected.append(root_package)
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def run(self):
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self._adb_connect()
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packages = self._adb_command("pm list packages -U -u -i -f")
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for line in packages.split("\n"):
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line = line.strip()
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if not line.startswith("package:"):
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continue
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fields = line.split()
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file_name, package_name = fields[0].split(":")[1].rsplit("=", 1)
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installer = fields[1].split("=")[1].strip()
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if installer == "null":
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installer = None
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uid = fields[2].split(":")[1].strip()
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dumpsys = self._adb_command(f"dumpsys package {package_name} | grep -A2 timeStamp").split("\n")
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timestamp = dumpsys[0].split("=")[1].strip()
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first_install = dumpsys[1].split("=")[1].strip()
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last_update = dumpsys[2].split("=")[1].strip()
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self.results.append(dict(
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package_name=package_name,
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file_name=file_name,
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installer=installer,
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timestamp=timestamp,
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first_install_time=first_install,
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last_update_time=last_update,
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uid=uid,
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disabled=False,
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system=False,
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third_party=False,
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))
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cmds = [
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{"field": "disabled", "arg": "-d"},
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{"field": "system", "arg": "-s"},
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{"field": "third_party", "arg": "-3"},
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]
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for cmd in cmds:
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output = self._adb_command(f"pm list packages {cmd['arg']}")
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for line in output.split("\n"):
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line = line.strip()
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if not line.startswith("package:"):
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continue
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package_name = line.split(":", 1)[1]
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for i, result in enumerate(self.results):
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if result["package_name"] == package_name:
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self.results[i][cmd["field"]] = True
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self.log.info("Extracted at total of %d installed package names",
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len(self.results))
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self._adb_disconnect()
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