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84 lines
3.0 KiB
Python
84 lines
3.0 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 typing import Optional, Union
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from mvt.android.parsers import parse_dumpsys_appops
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from .base import AndroidQFModule
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class DumpsysAppops(AndroidQFModule):
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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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fast_mode: Optional[bool] = False,
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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__(file_path=file_path, target_path=target_path,
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results_path=results_path, fast_mode=fast_mode,
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log=log, results=results)
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def serialize(self, record: dict) -> Union[dict, list]:
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records = []
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for perm in record["permissions"]:
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if "entries" not in perm:
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continue
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for entry in perm["entries"]:
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if "timestamp" in entry:
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records.append({
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"timestamp": entry["timestamp"],
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"module": self.__class__.__name__,
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"event": entry["access"],
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"data": f"{record['package_name']} access to "
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f"{perm['name']} : {entry['access']}",
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})
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return records
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def check_indicators(self) -> None:
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for result in self.results:
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if self.indicators:
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ioc = self.indicators.check_app_id(result.get("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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for perm in result["permissions"]:
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if (perm["name"] == "REQUEST_INSTALL_PACKAGES"
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and perm["access"] == "allow"):
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self.log.info("Package %s with REQUEST_INSTALL_PACKAGES permission",
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result["package_name"])
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def run(self) -> None:
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dumpsys_file = self._get_files_by_pattern("*/dumpsys.txt")
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if not dumpsys_file:
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return
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lines = []
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in_package = False
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with open(dumpsys_file[0]) as handle:
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for line in handle:
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if line.startswith("DUMP OF SERVICE appops:"):
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in_package = True
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continue
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if in_package:
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if line.startswith("-------------------------------------------------------------------------------"): # pylint: disable=line-too-long
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break
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lines.append(line.rstrip())
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self.results = parse_dumpsys_appops("\n".join(lines))
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self.log.info("Identified %d applications in AppOps Manager",
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len(self.results))
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