mirror of https://github.com/mvt-project/mvt.git
101 lines
3.1 KiB
Python
101 lines
3.1 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021-2022 Claudio Guarnieri.
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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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ANDROID_DANGEROUS_SETTINGS = [
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{
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"description": "disabled Google Play Services apps verification",
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"key": "verifier_verify_adb_installs",
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"safe_value": "1",
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},
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{
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"description": "disabled Google Play Protect",
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"key": "package_verifier_enable",
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"safe_value": "1",
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},
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{
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"description": "disabled Google Play Protect",
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"key": "package_verifier_user_consent",
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"safe_value": "1",
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},
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{
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"description": "disabled Google Play Protect",
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"key": "upload_apk_enable",
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"safe_value": "1",
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},
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{
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"description": "disabled confirmation of adb apps installation",
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"key": "adb_install_need_confirm",
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"safe_value": "1",
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},
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{
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"description": "disabled sharing of security reports",
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"key": "send_security_reports",
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"safe_value": "1",
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},
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{
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"description": "disabled sharing of crash logs with manufacturer",
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"key": "samsung_errorlog_agree",
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"safe_value": "1",
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},
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{
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"description": "disabled applications errors reports",
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"key": "send_action_app_error",
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"safe_value": "1",
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},
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]
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class Settings(AndroidExtraction):
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"""This module extracts Android system settings."""
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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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self.results = {} if not results else results
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def check_indicators(self):
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for namespace, settings in self.results.items():
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for key, value in settings.items():
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for danger in ANDROID_DANGEROUS_SETTINGS:
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# Check if one of the dangerous settings is using an unsafe
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# value (different than the one specified).
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if danger["key"] == key and danger["safe_value"] != value:
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self.log.warning("Found suspicious setting \"%s = %s\" (%s)",
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key, value, danger["description"])
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break
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def run(self):
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self._adb_connect()
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for namespace in ["system", "secure", "global"]:
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out = self._adb_command(f"cmd settings list {namespace}")
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if not out:
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continue
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self.results[namespace] = {}
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for line in out.splitlines():
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line = line.strip()
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if line == "":
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continue
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fields = line.split("=", 1)
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try:
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self.results[namespace][fields[0]] = fields[1]
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except IndexError:
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continue
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self._adb_disconnect()
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