mirror of https://github.com/mvt-project/mvt.git
84 lines
2.8 KiB
Python
84 lines
2.8 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 sqlite3
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from mvt.common.utils import (convert_chrometime_to_unix,
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convert_timestamp_to_iso)
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from ..base import IOSExtraction
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CHROME_FAVICON_BACKUP_IDS = [
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"55680ab883d0fdcffd94f959b1632e5fbbb18c5b"
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]
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# TODO: Confirm Chrome database path.
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CHROME_FAVICON_ROOT_PATHS = [
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"private/var/mobile/Containers/Data/Application/*/Library/Application Support/Google/Chrome/Default/Favicons",
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]
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class ChromeFavicon(IOSExtraction):
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"""This module extracts all Chrome favicon records."""
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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": "new_favicon",
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"data": f"{record['icon_url']} from {record['url']}"
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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 self.indicators.check_domain(result["url"]) or self.indicators.check_domain(result["icon_url"]):
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self.detected.append(result)
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def run(self):
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self._find_ios_database(backup_ids=CHROME_FAVICON_BACKUP_IDS,
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root_paths=CHROME_FAVICON_ROOT_PATHS)
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self.log.info("Found Chrome favicon cache database at path: %s", self.file_path)
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conn = sqlite3.connect(self.file_path)
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# Fetch icon cache
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cur = conn.cursor()
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cur.execute("""
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SELECT
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icon_mapping.page_url,
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favicons.url,
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favicon_bitmaps.last_updated,
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favicon_bitmaps.last_requested
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FROM icon_mapping
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JOIN favicon_bitmaps ON icon_mapping.icon_id = favicon_bitmaps.icon_id
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JOIN favicons ON icon_mapping.icon_id = favicons.id
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ORDER BY icon_mapping.id;
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""")
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records = []
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for row in cur:
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last_timestamp = int(row[2]) or int(row[3])
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records.append({
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"url": row[0],
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"icon_url": row[1],
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"timestamp": last_timestamp,
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"isodate": convert_timestamp_to_iso(convert_chrometime_to_unix(last_timestamp)),
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})
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cur.close()
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conn.close()
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self.log.info("Extracted a total of %d favicon records", len(records))
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self.results = sorted(records, key=lambda row: row["isodate"])
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