mirror of https://github.com/mvt-project/mvt.git
97 lines
3.8 KiB
Python
97 lines
3.8 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 collections
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import plistlib
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from mvt.common.utils import convert_mactime_to_unix, convert_timestamp_to_iso
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from ..base import IOSExtraction
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IDSTATUSCACHE_BACKUP_IDS = [
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"6b97989189901ceaa4e5be9b7f05fb584120e27b",
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]
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IDSTATUSCACHE_ROOT_PATHS = [
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"private/var/mobile/Library/Preferences/com.apple.identityservices.idstatuscache.plist",
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"private/var/mobile/Library/IdentityServices/idstatuscache.plist",
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]
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class IDStatusCache(IOSExtraction):
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"""Extracts Apple Authentication information from idstatuscache.plist"""
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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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return {
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"timestamp": record["isodate"],
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"module": self.__class__.__name__,
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"event": "lookup",
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"data": f"Lookup of {record['user']} within {record['package']} (Status {record['idstatus']})"
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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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if result.get("user", "").startswith("mailto:"):
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email = result["user"][7:].strip("'")
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if self.indicators.check_email(email):
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self.detected.append(result)
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continue
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if "\\x00\\x00" in result.get("user", ""):
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self.log.warning("Found an ID Status Cache entry with suspicious patterns: %s",
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result.get("user"))
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self.detected.append(result)
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def _extract_idstatuscache_entries(self, file_path):
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with open(file_path, "rb") as handle:
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file_plist = plistlib.load(handle)
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id_status_cache_entries = []
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for app in file_plist:
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if not isinstance(file_plist[app], dict):
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continue
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for entry in file_plist[app]:
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try:
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lookup_date = file_plist[app][entry]["LookupDate"]
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id_status = file_plist[app][entry]["IDStatus"]
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except KeyError:
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continue
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id_status_cache_entries.append({
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"package": app,
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"user": entry.replace("\x00", "\\x00"),
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"isodate": convert_timestamp_to_iso(convert_mactime_to_unix(lookup_date)),
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"idstatus": id_status,
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})
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entry_counter = collections.Counter([entry["user"] for entry in id_status_cache_entries])
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for entry in id_status_cache_entries:
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# Add total count of occurrences to the status cache entry.
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entry["occurrences"] = entry_counter[entry["user"]]
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self.results.append(entry)
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def run(self):
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if self.is_backup:
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self._find_ios_database(backup_ids=IDSTATUSCACHE_BACKUP_IDS)
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self.log.info("Found IDStatusCache plist at path: %s", self.file_path)
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self._extract_idstatuscache_entries(self.file_path)
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elif self.is_fs_dump:
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for idstatuscache_path in self._get_fs_files_from_patterns(IDSTATUSCACHE_ROOT_PATHS):
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self.file_path = idstatuscache_path
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self.log.info("Found IDStatusCache plist at path: %s", self.file_path)
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self._extract_idstatuscache_entries(self.file_path)
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self.log.info("Extracted a total of %d ID Status Cache entries", len(self.results))
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