mirror of https://github.com/mvt-project/mvt.git
116 lines
3.8 KiB
Python
116 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 logging
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import os
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import sqlite3
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from mvt.common.utils import check_for_links, convert_timestamp_to_iso
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from .base import AndroidExtraction
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log = logging.getLogger(__name__)
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SMS_BUGLE_PATH = "data/data/com.google.android.apps.messaging/databases/bugle_db"
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SMS_BUGLE_QUERY = """
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SELECT
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ppl.normalized_destination AS number,
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p.timestamp AS timestamp,
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CASE WHEN m.sender_id IN
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(SELECT _id FROM participants WHERE contact_id=-1)
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THEN 2 ELSE 1 END incoming, p.text AS text
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FROM messages m, conversations c, parts p,
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participants ppl, conversation_participants cp
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WHERE (m.conversation_id = c._id)
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AND (m._id = p.message_id)
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AND (cp.conversation_id = c._id)
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AND (cp.participant_id = ppl._id);
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"""
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SMS_MMSSMS_PATH = "data/data/com.android.providers.telephony/databases/mmssms.db"
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SMS_MMSMS_QUERY = """
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SELECT
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address AS number,
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date_sent AS timestamp,
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type as incoming,
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body AS text
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FROM sms;
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"""
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class SMS(AndroidExtraction):
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"""This module extracts all SMS messages containing links."""
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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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def serialize(self, record):
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text = record["text"].replace("\n", "\\n")
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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": f"sms_{record['direction']}",
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"data": f"{record['number']}: \"{text}\""
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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 message in self.results:
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if "text" not in message:
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continue
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message_links = check_for_links(message["text"])
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if self.indicators.check_domains(message_links):
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self.detected.append(message)
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def _parse_db(self, db_path):
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"""Parse an Android bugle_db SMS database file.
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:param db_path: Path to the Android SMS database file to process
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"""
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conn = sqlite3.connect(db_path)
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cur = conn.cursor()
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if (self.SMS_DB_TYPE == 1):
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cur.execute(SMS_BUGLE_QUERY)
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elif (self.SMS_DB_TYPE == 2):
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cur.execute(SMS_MMSMS_QUERY)
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names = [description[0] for description in cur.description]
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for item in cur:
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message = {}
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for index, value in enumerate(item):
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message[names[index]] = value
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message["direction"] = ("received" if message["incoming"] == 1 else "sent")
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message["isodate"] = convert_timestamp_to_iso(message["timestamp"])
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# If we find links in the messages or if they are empty we add
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# them to the list of results.
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if check_for_links(message["text"]) or message["text"].strip() == "":
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self.results.append(message)
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cur.close()
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conn.close()
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log.info("Extracted a total of %d SMS messages containing links", len(self.results))
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def run(self):
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if (self._adb_check_file_exists(os.path.join("/", SMS_BUGLE_PATH))):
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self.SMS_DB_TYPE = 1
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self._adb_process_file(os.path.join("/", SMS_BUGLE_PATH), self._parse_db)
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elif (self._adb_check_file_exists(os.path.join("/", SMS_MMSSMS_PATH))):
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self.SMS_DB_TYPE = 2
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self._adb_process_file(os.path.join("/", SMS_MMSSMS_PATH), self._parse_db)
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else:
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self.log.error("No SMS database found")
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