mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
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151 lines
6.6 KiB
Python
151 lines
6.6 KiB
Python
"""
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Autopsy Forensic Browser
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Copyright 2016-2020 Basis Technology Corp.
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Contact: carrier <at> sleuthkit <dot> org
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from java.io import File
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from java.lang import Class
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from java.lang import ClassNotFoundException
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from java.lang import Long
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from java.lang import String
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from java.sql import Connection
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from java.sql import DriverManager
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from java.sql import ResultSet
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from java.sql import SQLException
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from java.sql import Statement
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from java.util.logging import Level
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from java.util import ArrayList
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from org.apache.commons.codec.binary import Base64
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from org.sleuthkit.autopsy.casemodule import Case
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from org.sleuthkit.autopsy.casemodule import NoCurrentCaseException
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from org.sleuthkit.autopsy.casemodule.services import FileManager
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from org.sleuthkit.autopsy.coreutils import Logger
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from org.sleuthkit.autopsy.coreutils import MessageNotifyUtil
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from org.sleuthkit.autopsy.datamodel import ContentUtils
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from org.sleuthkit.autopsy.ingest import IngestJobContext
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from org.sleuthkit.datamodel import AbstractFile
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from org.sleuthkit.datamodel import Blackboard
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from org.sleuthkit.datamodel import BlackboardArtifact
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from org.sleuthkit.datamodel import BlackboardAttribute
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from org.sleuthkit.datamodel import Content
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from org.sleuthkit.datamodel import TskCoreException
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from org.sleuthkit.datamodel import Account
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from org.sleuthkit.datamodel.Blackboard import BlackboardException
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from org.sleuthkit.autopsy.coreutils import AppSQLiteDB
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from org.sleuthkit.datamodel.blackboardutils import CommunicationArtifactsHelper
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from org.sleuthkit.datamodel.blackboardutils.CommunicationArtifactsHelper import MessageReadStatus
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from org.sleuthkit.datamodel.blackboardutils.CommunicationArtifactsHelper import CommunicationDirection
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import traceback
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import general
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"""
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Locates database for the Tango app and adds info to blackboard.
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"""
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class TangoMessageAnalyzer(general.AndroidComponentAnalyzer):
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def __init__(self):
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self._logger = Logger.getLogger(self.__class__.__name__)
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self._PACKAGE_NAME = "com.sgiggle.production"
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self._PARSER_NAME = "Tango Parser"
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self._MESSAGE_TYPE = "Tango Message"
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self._VERSION = "7" # DB_VERSION in 'profiles' table
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def analyze(self, dataSource, fileManager, context):
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try:
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tangoDbFiles = AppSQLiteDB.findAppDatabases(dataSource, "tc.db", True, self._PACKAGE_NAME)
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for tangoDbFile in tangoDbFiles:
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try:
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self.__findTangoMessagesInDB(tangoDbFile, dataSource)
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except Exception as ex:
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self._logger.log(Level.SEVERE, "Error parsing Tango messages", ex)
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self._logger.log(Level.SEVERE, traceback.format_exc())
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except TskCoreException as ex:
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# Error finding Tango messages.
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pass
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def __findTangoMessagesInDB(self, tangoDb, dataSource):
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if not tangoDb:
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return
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try:
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current_case = Case.getCurrentCaseThrows()
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# Create a helper to parse the DB
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tangoDbHelper = CommunicationArtifactsHelper(current_case.getSleuthkitCase(),
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self._PARSER_NAME,
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tangoDb.getDBFile(),
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Account.Type.TANGO )
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resultSet = tangoDb.runQuery(
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"SELECT conv_id, create_time, direction, payload FROM messages ORDER BY create_time DESC;")
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while resultSet.next():
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fromId = None
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toId = None
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conv_id = resultSet.getString("conv_id") # seems to wrap around the message found in payload after decoding from base-64
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create_time = Long.valueOf(resultSet.getString("create_time")) / 1000
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if resultSet.getString("direction") == "1": # 1 incoming, 2 outgoing
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direction = CommunicationDirection.INCOMING
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else:
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direction = CommunicationDirection.OUTGOING
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payload = resultSet.getString("payload")
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msgBody = TangoMessageAnalyzer.decodeMessage(conv_id, payload)
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messageArtifact = tangoDbHelper.addMessage(
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self._MESSAGE_TYPE,
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direction,
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fromId,
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toId,
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create_time,
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MessageReadStatus.UNKNOWN,
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"", # subject
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msgBody,
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"")
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except SQLException as ex:
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self._logger.log(Level.WARNING, "Error processing query result for Tango messages", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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except TskCoreException as ex:
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self._logger.log(Level.SEVERE, "Failed to add Tango message artifacts.", ex)
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self._logger.log(Level.SEVERE, traceback.format_exc())
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except BlackboardException as ex:
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self._logger.log(Level.WARNING, "Failed to post artifacts.", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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except NoCurrentCaseException as ex:
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self._logger.log(Level.WARNING, "No case currently open.", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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finally:
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tangoDb.close()
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# take the message string which is wrapped by a certain string, and return the text enclosed.
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@staticmethod
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def decodeMessage(wrapper, message):
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result = ""
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decoded = Base64.decodeBase64(message)
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try:
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Z = String(decoded, "UTF-8")
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result = Z.split(wrapper)[1]
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except Exception as ex:
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# Error decoding a Tango message.
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pass
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return result
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