mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
synced 2025-07-06 21:00:22 +00:00
120 lines
6.3 KiB
Python
120 lines
6.3 KiB
Python
"""
|
|
Autopsy Forensic Browser
|
|
|
|
Copyright 2016-2021 Basis Technology Corp.
|
|
Contact: carrier <at> sleuthkit <dot> 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.io import FileInputStream
|
|
from java.io import InputStream
|
|
from java.lang import Class
|
|
from java.lang import ClassNotFoundException
|
|
from java.math import BigInteger
|
|
from java.nio import ByteBuffer
|
|
from java.util.logging import Level
|
|
from java.util import ArrayList
|
|
from org.sleuthkit.autopsy.casemodule import Case
|
|
from org.sleuthkit.autopsy.casemodule.services import FileManager
|
|
from org.sleuthkit.autopsy.coreutils import Logger
|
|
from org.sleuthkit.autopsy.coreutils import MessageNotifyUtil
|
|
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 Blackboard
|
|
from org.sleuthkit.datamodel import BlackboardArtifact
|
|
from org.sleuthkit.datamodel import BlackboardAttribute
|
|
from org.sleuthkit.datamodel import Content
|
|
from org.sleuthkit.datamodel import TskCoreException
|
|
|
|
import traceback
|
|
import general
|
|
import struct
|
|
import os
|
|
|
|
"""
|
|
Parses cache files that Android maintains for Wifi and cell towers. Adds GPS points to blackboard.
|
|
"""
|
|
class CacheLocationAnalyzer(general.AndroidComponentAnalyzer):
|
|
|
|
def __init__(self):
|
|
self._logger = Logger.getLogger(self.__class__.__name__)
|
|
|
|
"""
|
|
cache.cell stores mobile tower GPS locations and cache.wifi stores GPS
|
|
and MAC info from Wifi points.
|
|
"""
|
|
def analyze(self, dataSource, fileManager, context):
|
|
try:
|
|
abstractFiles = fileManager.findFiles(dataSource, "cache.cell")
|
|
abstractFiles.addAll(fileManager.findFiles(dataSource, "cache.wifi"))
|
|
for abstractFile in abstractFiles:
|
|
if abstractFile.getSize() == 0:
|
|
continue
|
|
try:
|
|
jFile = File(Case.getCurrentCase().getTempDirectory(), str(abstractFile.getId()) + abstractFile.getName())
|
|
ContentUtils.writeToFile(abstractFile, jFile, context.dataSourceIngestIsCancelled)
|
|
self.__findGeoLocationsInFile(jFile, abstractFile)
|
|
except Exception as ex:
|
|
self._logger.log(Level.SEVERE, "Error parsing cached location files", ex)
|
|
self._logger.log(Level.SEVERE, traceback.format_exc())
|
|
except TskCoreException as ex:
|
|
# Error finding cached location files.
|
|
pass
|
|
|
|
def __findGeoLocationsInFile(self, file, abstractFile):
|
|
|
|
try:
|
|
# code to parse the cache.wifi and cache.cell taken from https://forensics.spreitzenbarth.de/2011/10/28/decoding-cache-cell-and-cache-wifi-files/
|
|
cacheFile = open(str(file), 'rb')
|
|
(version, entries) = struct.unpack('>hh', cacheFile.read(4))
|
|
# Check the number of entries * 32 (entry record size) to see if it is bigger then the file, this is a indication the file is malformed or corrupted
|
|
if ((entries * 32) < abstractFile.getSize()):
|
|
i = 0
|
|
self._logger.log(Level.INFO, "Number of Entries is " + str(entries) + " File size is " + str(abstractFile.getSize()))
|
|
while i < entries:
|
|
key = cacheFile.read(struct.unpack('>h', cacheFile.read(2))[0])
|
|
(accuracy, confidence, latitude, longitude, readtime) = struct.unpack('>iiddQ', cacheFile.read(32))
|
|
timestamp = readtime/1000
|
|
i = i + 1
|
|
|
|
attributes = ArrayList()
|
|
attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_GEO_LATITUDE, general.MODULE_NAME, latitude))
|
|
attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_GEO_LONGITUDE, general.MODULE_NAME, longitude))
|
|
attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_DATETIME, general.MODULE_NAME, timestamp))
|
|
attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_PROG_NAME, general.MODULE_NAME,
|
|
abstractFile.getName() + " Location History"))
|
|
|
|
artifact = abstractFile.newDataArtifact(BlackboardArtifact.Type(BlackboardArtifact.ARTIFACT_TYPE.TSK_GPS_BOOKMARK), attributes)
|
|
#Not storing these for now.
|
|
# artifact.addAttribute(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_VALUE.getTypeID(), AndroidModuleFactorymodule.moduleName, accuracy))
|
|
# artifact.addAttribute(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_COMMENT.getTypeID(), AndroidModuleFactorymodule.moduleName, confidence))
|
|
try:
|
|
blackboard = Case.getCurrentCase().getSleuthkitCase().getBlackboard()
|
|
blackboard.postArtifact(artifact, general.MODULE_NAME, context.getJobId())
|
|
except Blackboard.BlackboardException as ex:
|
|
self._logger.log(Level.SEVERE, "Unable to index blackboard artifact " + str(artifact.getArtifactID()), ex)
|
|
self._logger.log(Level.SEVERE, traceback.format_exc())
|
|
MessageNotifyUtil.Notify.error("Failed to index GPS trackpoint artifact for keyword search.", artifact.getDisplayName())
|
|
cacheFile.close()
|
|
else:
|
|
self._logger.log(Level.WARNING, "Number of entries in file exceeds file size of file " + os.path.join(abstractFile.getParentPath(), abstractFile.getName()))
|
|
except Exception as ex:
|
|
self._logger.log(Level.SEVERE, "Error parsing Cached GPS locations to blackboard", ex)
|
|
self._logger.log(Level.SEVERE, traceback.format_exc())
|
|
|
|
def toDouble(byteArray):
|
|
return ByteBuffer.wrap(byteArray).getDouble()
|