""" Autopsy Forensic Browser Copyright 2019-2021 Basis Technology Corp. Contact: carrier sleuthkit org Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. """ from java.io import File from java.lang import Class from java.lang import ClassNotFoundException from java.lang import Long from java.lang import String from java.sql import ResultSet from java.sql import SQLException from java.sql import Statement from java.util.logging import Level from java.util import ArrayList from org.apache.commons.codec.binary import Base64 from org.sleuthkit.autopsy.casemodule import Case from org.sleuthkit.autopsy.casemodule import NoCurrentCaseException from org.sleuthkit.autopsy.coreutils import Logger from org.sleuthkit.autopsy.coreutils import MessageNotifyUtil from org.sleuthkit.autopsy.coreutils import AppSQLiteDB from org.sleuthkit.autopsy.datamodel import ContentUtils from org.sleuthkit.autopsy.ingest import IngestJobContext from org.sleuthkit.datamodel import AbstractFile from org.sleuthkit.datamodel import BlackboardArtifact from org.sleuthkit.datamodel import BlackboardAttribute from org.sleuthkit.datamodel import Content from org.sleuthkit.datamodel import TskCoreException from org.sleuthkit.datamodel.Blackboard import BlackboardException from org.sleuthkit.datamodel import Account from org.sleuthkit.datamodel.blackboardutils.attributes import MessageAttachments from org.sleuthkit.datamodel.blackboardutils.attributes.MessageAttachments import FileAttachment from org.sleuthkit.datamodel.blackboardutils import CommunicationArtifactsHelper from org.sleuthkit.datamodel.blackboardutils.CommunicationArtifactsHelper import MessageReadStatus from org.sleuthkit.datamodel.blackboardutils.CommunicationArtifactsHelper import CommunicationDirection import traceback import general class XenderAnalyzer(general.AndroidComponentAnalyzer): """ Xender is a file transfer utility app. This module finds the SQLite DB for Xender, parses the DB for contacts & messages, and adds artifacts to the case. Xender version 4.6.5 has the following database structure: - trans-history.db -- A profile table with the device_id/name of users interacted with -- A new_history table, with records of files exchanged with other users --- f_path - path of the file sent/received """ def __init__(self): self._logger = Logger.getLogger(self.__class__.__name__) self._PACKAGE_NAME = "cn.xender" self._MODULE_NAME = "Xender Analyzer" self._MESSAGE_TYPE = "Xender Message" self._VERSION = "4.6.5" def analyze(self, dataSource, fileManager, context): selfAccountId = None transactionDbs = AppSQLiteDB.findAppDatabases(dataSource, "trans-history-db", True, self._PACKAGE_NAME) for transactionDb in transactionDbs: try: current_case = Case.getCurrentCaseThrows() # get the profile with connection_times 0, that's the self account. profilesResultSet = transactionDb.runQuery("SELECT device_id, nick_name FROM profile WHERE connect_times = 0") if profilesResultSet: while profilesResultSet.next(): if not selfAccountId: selfAccountId = profilesResultSet.getString("device_id") # create artifacts helper if selfAccountId is not None: transactionDbHelper = CommunicationArtifactsHelper(current_case.getSleuthkitCase(), self._MODULE_NAME, transactionDb.getDBFile(), Account.Type.XENDER, Account.Type.XENDER, selfAccountId, context.getJobId()) else: transactionDbHelper = CommunicationArtifactsHelper(current_case.getSleuthkitCase(), self._MODULE_NAME, transactionDb.getDBFile(), Account.Type.XENDER, context.getJobId()) queryString = """ SELECT f_path, f_display_name, f_size_str, c_start_time, c_direction, c_session_id, s_name, s_device_id, r_name, r_device_id FROM new_history """ messagesResultSet = transactionDb.runQuery(queryString) if messagesResultSet is not None: while messagesResultSet.next(): direction = CommunicationDirection.UNKNOWN fromId = None toId = None fileAttachments = ArrayList() if (messagesResultSet.getInt("c_direction") == 1): direction = CommunicationDirection.OUTGOING toId = messagesResultSet.getString("r_device_id") else: direction = CommunicationDirection.INCOMING fromId = messagesResultSet.getString("s_device_id") timeStamp = messagesResultSet.getLong("c_start_time") / 1000 messageArtifact = transactionDbHelper.addMessage( self._MESSAGE_TYPE, direction, fromId, toId, timeStamp, MessageReadStatus.UNKNOWN, None, # subject None, # message text messagesResultSet.getString("c_session_id") ) # add the file as attachment fileAttachments.add(FileAttachment(current_case.getSleuthkitCase(), transactionDb.getDBFile().getDataSource(), messagesResultSet.getString("f_path"))) messageAttachments = MessageAttachments(fileAttachments, []) transactionDbHelper.addAttachments(messageArtifact, messageAttachments) except SQLException as ex: self._logger.log(Level.WARNING, "Error processing query result for profiles.", ex) self._logger.log(Level.WARNING, traceback.format_exc()) except TskCoreException as ex: self._logger.log(Level.SEVERE, "Failed to create Xender message artifacts.", ex) self._logger.log(Level.SEVERE, traceback.format_exc()) except BlackboardException as ex: self._logger.log(Level.WARNING, "Failed to post artifacts.", ex) self._logger.log(Level.WARNING, traceback.format_exc()) except NoCurrentCaseException as ex: self._logger.log(Level.WARNING, "No case currently open.", ex) self._logger.log(Level.WARNING, traceback.format_exc()) finally: transactionDb.close()