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Donncha Ó Cearbhaill
85 lines
2.7 KiB
Python
85 lines
2.7 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021-2023 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 datetime import datetime, timedelta
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from typing import Optional
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from mvt.android.parsers.getprop import parse_getprop
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from .base import AndroidQFModule
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INTERESTING_PROPERTIES = [
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"gsm.sim.operator.alpha",
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"gsm.sim.operator.iso-country",
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"persist.sys.timezone",
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"ro.boot.serialno",
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"ro.build.version.sdk",
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"ro.build.version.security_patch",
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"ro.product.cpu.abi",
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"ro.product.locale",
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"ro.product.vendor.manufacturer",
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"ro.product.vendor.model",
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"ro.product.vendor.name",
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]
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class Getprop(AndroidQFModule):
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"""This module extracts data from get properties."""
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def __init__(
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self,
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file_path: Optional[str] = None,
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target_path: Optional[str] = None,
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results_path: Optional[str] = None,
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module_options: Optional[dict] = None,
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log: logging.Logger = logging.getLogger(__name__),
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results: Optional[list] = None,
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) -> None:
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super().__init__(
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file_path=file_path,
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target_path=target_path,
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results_path=results_path,
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module_options=module_options,
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log=log,
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results=results,
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)
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self.results = []
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def check_indicators(self) -> None:
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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_android_property_name(result.get("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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def run(self) -> None:
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getprop_files = self._get_files_by_pattern("*/getprop.txt")
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if not getprop_files:
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self.log.info("getprop.txt file not found")
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return
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with open(getprop_files[0]) as f:
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data = f.read()
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self.results = parse_getprop(data)
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for entry in self.results:
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if entry["name"] in INTERESTING_PROPERTIES:
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self.log.info("%s: %s", entry["name"], entry["value"])
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if entry["name"] == "ro.build.version.security_patch":
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last_patch = datetime.strptime(entry["value"], "%Y-%m-%d")
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if (datetime.now() - last_patch) > timedelta(days=6 * 31):
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self.log.warning(
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"This phone has not received security "
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"updates for more than six months "
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"(last update: %s)",
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entry["value"],
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)
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self.log.info("Extracted a total of %d properties", len(self.results))
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