mirror of https://github.com/mvt-project/mvt.git
93 lines
3.1 KiB
Python
93 lines
3.1 KiB
Python
# Mobile Verification Toolkit (MVT)
|
|
# Copyright (c) 2021-2022 Claudio Guarnieri.
|
|
# Use of this software is governed by the MVT License 1.1 that can be found at
|
|
# https://license.mvt.re/1.1/
|
|
|
|
import base64
|
|
import logging
|
|
import os
|
|
import sqlite3
|
|
|
|
from mvt.common.utils import check_for_links, convert_timestamp_to_iso
|
|
|
|
from .base import AndroidExtraction
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
WHATSAPP_PATH = "data/data/com.whatsapp/databases/msgstore.db"
|
|
|
|
|
|
class Whatsapp(AndroidExtraction):
|
|
"""This module extracts all WhatsApp messages containing links."""
|
|
|
|
def __init__(self, file_path: str = None, target_path: str = None,
|
|
results_path: str = None, fast_mode: bool = False,
|
|
log: logging.Logger = None, results: list = []) -> None:
|
|
super().__init__(file_path=file_path, target_path=target_path,
|
|
results_path=results_path, fast_mode=fast_mode,
|
|
log=log, results=results)
|
|
|
|
def serialize(self, record: dict) -> None:
|
|
text = record["data"].replace("\n", "\\n")
|
|
return {
|
|
"timestamp": record["isodate"],
|
|
"module": self.__class__.__name__,
|
|
"event": f"whatsapp_msg_{record['direction']}",
|
|
"data": f"\"{text}\""
|
|
}
|
|
|
|
def check_indicators(self) -> None:
|
|
if not self.indicators:
|
|
return
|
|
|
|
for message in self.results:
|
|
if "data" not in message:
|
|
continue
|
|
|
|
message_links = check_for_links(message["data"])
|
|
if self.indicators.check_domains(message_links):
|
|
self.detected.append(message)
|
|
|
|
def _parse_db(self, db_path: str) -> None:
|
|
"""Parse an Android msgstore.db WhatsApp database file.
|
|
|
|
:param db_path: Path to the Android WhatsApp database file to process
|
|
|
|
"""
|
|
conn = sqlite3.connect(db_path)
|
|
cur = conn.cursor()
|
|
cur.execute("""
|
|
SELECT * FROM messages;
|
|
""")
|
|
names = [description[0] for description in cur.description]
|
|
|
|
messages = []
|
|
for item in cur:
|
|
message = {}
|
|
for index, value in enumerate(item):
|
|
message[names[index]] = value
|
|
|
|
if not message["data"]:
|
|
continue
|
|
|
|
message["direction"] = ("send" if message["key_from_me"] == 1 else "received")
|
|
message["isodate"] = convert_timestamp_to_iso(message["timestamp"])
|
|
|
|
# If we find links in the messages or if they are empty we add them to the list.
|
|
if check_for_links(message["data"]) or message["data"].strip() == "":
|
|
if (message.get('thumb_image') is not None):
|
|
message['thumb_image'] = base64.b64encode(message['thumb_image'])
|
|
messages.append(message)
|
|
|
|
cur.close()
|
|
conn.close()
|
|
|
|
log.info("Extracted a total of %d WhatsApp messages containing links", len(messages))
|
|
self.results = messages
|
|
|
|
def run(self) -> None:
|
|
try:
|
|
self._adb_process_file(os.path.join("/", WHATSAPP_PATH), self._parse_db)
|
|
except Exception as e:
|
|
self.log.error(e)
|