Bumped version

mvt/android/cli.py

@@ -199,6 +199,72 @@ def check_backup(ctx, iocs, output, backup_path, serial):
         run_module(m)
 
 
+#==============================================================================
+# Command: check-iocs
+#==============================================================================
+@cli.command("check-iocs", help="Compare stored JSON results to provided indicators")
+@click.option("--iocs", "-i", type=click.Path(exists=True), multiple=True,
+              default=[], help=HELP_MSG_IOC)
+@click.option("--list-modules", "-l", is_flag=True, help=HELP_MSG_LIST_MODULES)
+@click.option("--module", "-m", help=HELP_MSG_MODULE)
+@click.argument("FOLDER", type=click.Path(exists=True))
+@click.pass_context
+def check_iocs(ctx, iocs, list_modules, module, folder):
+    all_modules = []
+    for entry in BACKUP_MODULES + ADB_MODULES:
+        if entry not in all_modules:
+            all_modules.append(entry)
+
+    if list_modules:
+        log.info("Following is the list of available check-iocs modules:")
+        for iocs_module in all_modules:
+            log.info(" - %s", iocs_module.__name__)
+
+        return
+
+    log.info("Checking stored results against provided indicators...")
+
+    indicators = Indicators(log=log)
+    indicators.load_indicators_files(iocs)
+
+    total_detections = 0
+    for file_name in os.listdir(folder):
+        name_only, ext = os.path.splitext(file_name)
+        file_path = os.path.join(folder, file_name)
+
+        # TODO: Skipping processing of result files that are not json.
+        #       We might want to revisit this eventually.
+        if ext != ".json":
+            continue
+
+        for iocs_module in all_modules:
+            if module and iocs_module.__name__ != module:
+                continue
+
+            if iocs_module().get_slug() != name_only:
+                continue
+
+            log.info("Loading results from \"%s\" with module %s", file_name,
+                     iocs_module.__name__)
+
+            m = iocs_module.from_json(file_path,
+                                      log=logging.getLogger(iocs_module.__module__))
+            if indicators.total_ioc_count > 0:
+                m.indicators = indicators
+                m.indicators.log = m.log
+
+            try:
+                m.check_indicators()
+            except NotImplementedError:
+                continue
+            else:
+                total_detections += len(m.detected)
+
+    if total_detections > 0:
+        log.warning("The check of the results produced %d detections!",
+                    total_detections)
+
+
 #==============================================================================
 # Command: download-iocs
 #==============================================================================

mvt/android/lookups/virustotal.py

@@ -39,6 +39,10 @@ def get_virustotal_report(hashes):
 
 
 def virustotal_lookup(packages):
+    # NOTE: This is temporary, until we resolved the issue.
+    log.error("Unfortunately VirusTotal lookup is disabled until further notice, due to unresolved issues with the API service.")
+    return
+
     log.info("Looking up all extracted files on VirusTotal (www.virustotal.com)")
 
     unique_hashes = []

mvt/android/modules/adb/__init__.py

@@ -11,14 +11,16 @@ from .dumpsys_packages import DumpsysPackages
 from .dumpsys_procstats import DumpsysProcstats
 from .dumpsys_receivers import DumpsysReceivers
 from .files import Files
+from .getprop import Getprop
 from .logcat import Logcat
 from .packages import Packages
 from .processes import Processes
-from .rootbinaries import RootBinaries
+from .root_binaries import RootBinaries
+from .settings import Settings
 from .sms import SMS
 from .whatsapp import Whatsapp
 
-ADB_MODULES = [ChromeHistory, SMS, Whatsapp, Processes,
+ADB_MODULES = [ChromeHistory, SMS, Whatsapp, Processes, Getprop, Settings,
                DumpsysAccessibility, DumpsysBatterystats, DumpsysProcstats,
                DumpsysPackages, DumpsysReceivers, DumpsysFull,
                Packages, RootBinaries, Logcat, Files]

mvt/android/modules/adb/base.py

@@ -15,7 +15,7 @@ from adb_shell.adb_device import AdbDeviceTcp, AdbDeviceUsb
 from adb_shell.auth.keygen import keygen, write_public_keyfile
 from adb_shell.auth.sign_pythonrsa import PythonRSASigner
 from adb_shell.exceptions import (AdbCommandFailureException, DeviceAuthError,
-                                  UsbReadFailedError)
+                                  UsbDeviceNotFoundError, UsbReadFailedError)
 from usb1 import USBErrorAccess, USBErrorBusy
 
 from mvt.common.module import InsufficientPrivileges, MVTModule
@@ -65,7 +65,11 @@ class AndroidExtraction(MVTModule):
         # If no serial was specified or if the serial does not seem to be
         # a HOST:PORT definition, we use the USB transport.
         if not self.serial or ":" not in self.serial:
-            self.device = AdbDeviceUsb(serial=self.serial)
+            try:
+                self.device = AdbDeviceUsb(serial=self.serial)
+            except UsbDeviceNotFoundError:
+                log.critical("No device found. Make sure it is connected and unlocked.")
+                sys.exit(-1)
         # Otherwise we try to use the TCP transport.
         else:
             addr = self.serial.split(":")

mvt/android/modules/adb/dumpsys_receivers.py

@@ -9,10 +9,11 @@ from .base import AndroidExtraction
 
 log = logging.getLogger(__name__)
 
-ACTION_NEW_OUTGOING_SMS = "android.provider.Telephony.NEW_OUTGOING_SMS"
-ACTION_SMS_RECEIVED = "android.provider.Telephony.SMS_RECEIVED"
-ACTION_DATA_SMS_RECEIVED = "android.intent.action.DATA_SMS_RECEIVED"
-ACTION_PHONE_STATE = "android.intent.action.PHONE_STATE"
+INTENT_NEW_OUTGOING_SMS = "android.provider.Telephony.NEW_OUTGOING_SMS"
+INTENT_SMS_RECEIVED = "android.provider.Telephony.SMS_RECEIVED"
+INTENT_DATA_SMS_RECEIVED = "android.intent.action.DATA_SMS_RECEIVED"
+INTENT_PHONE_STATE = "android.intent.action.PHONE_STATE"
+INTENT_NEW_OUTGOING_CALL = "android.intent.action.NEW_OUTGOING_CALL"
 
 
 class DumpsysReceivers(AndroidExtraction):
@@ -24,6 +25,24 @@ class DumpsysReceivers(AndroidExtraction):
                          output_folder=output_folder, fast_mode=fast_mode,
                          log=log, results=results)
 
+    def check_indicators(self):
+        for result in self.results:
+            if result["activity"] == INTENT_NEW_OUTGOING_SMS:
+                self.log.info("Found a receiver to intercept outgoing SMS messages: \"%s\"",
+                              result["receiver"])
+            elif result["activity"] == INTENT_SMS_RECEIVED:
+                self.log.info("Found a receiver to intercept incoming SMS messages: \"%s\"",
+                              result["receiver"])
+            elif result["activity"] == INTENT_DATA_SMS_RECEIVED:
+                self.log.info("Found a receiver to intercept incoming data SMS message: \"%s\"",
+                              result["receiver"])
+            elif result["activity"] == INTENT_PHONE_STATE:
+                self.log.info("Found a receiver monitoring telephony state/incoming calls: \"%s\"",
+                              result["receiver"])
+            elif result["activity"] == INTENT_NEW_OUTGOING_CALL:
+                self.log.info("Found a receiver monitoring outgoing calls: \"%s\"",
+                              result["receiver"])
+
     def run(self):
         self._adb_connect()
 
@@ -34,17 +53,20 @@ class DumpsysReceivers(AndroidExtraction):
         activity = None
         for line in output.split("\n"):
             # Find activity block markers.
-            if line.strip().startswith(ACTION_NEW_OUTGOING_SMS):
-                activity = ACTION_NEW_OUTGOING_SMS
+            if line.strip().startswith(INTENT_NEW_OUTGOING_SMS):
+                activity = INTENT_NEW_OUTGOING_SMS
                 continue
-            elif line.strip().startswith(ACTION_SMS_RECEIVED):
-                activity = ACTION_SMS_RECEIVED
+            elif line.strip().startswith(INTENT_SMS_RECEIVED):
+                activity = INTENT_SMS_RECEIVED
                 continue
-            elif line.strip().startswith(ACTION_PHONE_STATE):
-                activity = ACTION_PHONE_STATE
+            elif line.strip().startswith(INTENT_PHONE_STATE):
+                activity = INTENT_PHONE_STATE
                 continue
-            elif line.strip().startswith(ACTION_DATA_SMS_RECEIVED):
-                activity = ACTION_DATA_SMS_RECEIVED
+            elif line.strip().startswith(INTENT_DATA_SMS_RECEIVED):
+                activity = INTENT_DATA_SMS_RECEIVED
+                continue
+            elif line.strip().startswith(INTENT_NEW_OUTGOING_CALL):
+                activity = INTENT_NEW_OUTGOING_CALL
                 continue
 
             # If we are not in an activity block yet, skip.
@@ -65,19 +87,6 @@ class DumpsysReceivers(AndroidExtraction):
             if package_name == "com.google.android.gms":
                 continue
 
-            if activity == ACTION_NEW_OUTGOING_SMS:
-                self.log.info("Found a receiver to intercept outgoing SMS messages: \"%s\"",
-                              receiver)
-            elif activity == ACTION_SMS_RECEIVED:
-                self.log.info("Found a receiver to intercept incoming SMS messages: \"%s\"",
-                              receiver)
-            elif activity == ACTION_DATA_SMS_RECEIVED:
-                self.log.info("Found a receiver to intercept incoming data SMS message: \"%s\"",
-                              receiver)
-            elif activity == ACTION_PHONE_STATE:
-                self.log.info("Found a receiver monitoring telephony state: \"%s\"",
-                              receiver)
-
             self.results.append({
                 "activity": activity,
                 "package_name": package_name,

mvt/android/modules/adb/files.py

@@ -22,30 +22,16 @@ class Files(AndroidExtraction):
         super().__init__(file_path=file_path, base_folder=base_folder,
                          output_folder=output_folder, fast_mode=fast_mode,
                          log=log, results=results)
-        self.full_find = None
+        self.full_find = False
 
-    def find_path(self, file_path):
-        """Checks if Android system supports full find command output"""
-        # Check find command params on first run
-        # Run find command with correct args and parse results.
-
-        # Check that full file printf options are suppported on first run.
-        if self.full_find is None:
-            output = self._adb_command("find '/' -maxdepth 1 -printf '%T@ %m %s %u %g %p\n' 2> /dev/null")
-            if not (output or output.strip().splitlines()):
-                # Full  find command failed to generate output, fallback to basic file arguments
-                self.full_find = False
-            else:
-                self.full_find = True
-
-        found_files = []
-        if self.full_find is True:
-            # Run full file command and collect additonal file information.
+    def find_files(self, file_path):
+        if self.full_find:
             output = self._adb_command(f"find '{file_path}' -printf '%T@ %m %s %u %g %p\n' 2> /dev/null")
+
             for file_line in output.splitlines():
                 [unix_timestamp, mode, size, owner, group, full_path] = file_line.rstrip().split(" ", 5)
                 mod_time = convert_timestamp_to_iso(datetime.datetime.utcfromtimestamp(int(float(unix_timestamp))))
-                found_files.append({
+                self.results.append({
                     "path": full_path,
                     "modified_time": mod_time,
                     "mode": mode,
@@ -56,14 +42,9 @@ class Files(AndroidExtraction):
                     "group": group,
                 })
         else:
-            # Run a basic listing of file paths.
             output = self._adb_command(f"find '{file_path}' 2> /dev/null")
             for file_line in output.splitlines():
-                found_files.append({
-                    "path": file_line.rstrip()
-                })
-
-        return found_files
+                self.results.append({"path": file_line.rstrip()})
 
     def serialize(self, record):
         if "modified_time" in record:
@@ -85,6 +66,7 @@ class Files(AndroidExtraction):
     def check_indicators(self):
         """Check file list for known suspicious files or suspicious properties"""
         self.check_suspicious()
+
         if not self.indicators:
             return
 
@@ -95,25 +77,21 @@ class Files(AndroidExtraction):
 
     def run(self):
         self._adb_connect()
-        found_file_paths = []
 
-        DATA_PATHS = ["/data/local/tmp/", "/sdcard/", "/tmp/"]
-        for path in DATA_PATHS:
-            file_info = self.find_path(path)
-            found_file_paths.extend(file_info)
+        output = self._adb_command("find '/' -maxdepth 1 -printf '%T@ %m %s %u %g %p\n' 2> /dev/null")
+        if output or output.strip().splitlines():
+            self.full_find = True
 
-        # Store results
-        self.results.extend(found_file_paths)
-        self.log.info("Found %s files in primary Android data directories.", len(found_file_paths))
+        for data_path in ["/data/local/tmp/", "/sdcard/", "/tmp/"]:
+            self.find_files(data_path)
+
+        self.log.info("Found %s files in primary Android data directories", len(self.results))
 
         if self.fast_mode:
             self.log.info("Flag --fast was enabled: skipping full file listing")
         else:
-            self.log.info("Flag --fast was not enabled: processing full file listing. "
-                          "This may take a while...")
-            output = self.find_path("/")
-            if output and self.output_folder:
-                self.results.extend(output)
-                log.info("List of visible files stored in files.json")
+            self.log.info("Processing full file listing. This may take a while...")
+            self.find_files("/")
+            self.log.info("Found %s total files", len(self.results))
 
         self._adb_disconnect()

mvt/android/modules/adb/getprop.py

@@ -0,0 +1,46 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021 The MVT Project Authors.
+# Use of this software is governed by the MVT License 1.1 that can be found at
+#   https://license.mvt.re/1.1/
+
+import logging
+import os
+import re
+
+from .base import AndroidExtraction
+
+log = logging.getLogger(__name__)
+
+
+class Getprop(AndroidExtraction):
+    """This module extracts device properties from getprop command."""
+
+    def __init__(self, file_path=None, base_folder=None, output_folder=None,
+                 serial=None, fast_mode=False, log=None, results=[]):
+        super().__init__(file_path=file_path, base_folder=base_folder,
+                         output_folder=output_folder, fast_mode=fast_mode,
+                         log=log, results=results)
+
+        self.results = {} if not results else results
+
+    def run(self):
+        self._adb_connect()
+
+        rxp = re.compile("\\[(.+?)\\]: \\[(.+?)\\]")
+        out = self._adb_command("getprop")
+        for line in out.splitlines():
+            line = line.strip()
+            if line == "":
+                continue
+
+            matches = re.findall(rxp, line)
+            if not matches or len(matches[0]) != 2:
+                continue
+
+            key = matches[0][0]
+            value = matches[0][1]
+            self.results[key] = value
+
+        self._adb_disconnect()
+
+        self.log.info("Extracted %d Android system properties", len(self.results))

mvt/android/modules/adb/packages.py

@@ -8,6 +8,9 @@ import os
 
 import pkg_resources
 
+from mvt.android.lookups.koodous import koodous_lookup
+from mvt.android.lookups.virustotal import virustotal_lookup
+
 from .base import AndroidExtraction
 
 log = logging.getLogger(__name__)
@@ -42,9 +45,6 @@ class Packages(AndroidExtraction):
         return records
 
     def check_indicators(self):
-        if not self.indicators:
-            return
-
         root_packages_path = os.path.join("..", "..", "data", "root_packages.txt")
         root_packages_string = pkg_resources.resource_string(__name__, root_packages_path)
         root_packages = root_packages_string.decode("utf-8").split("\n")
@@ -55,16 +55,19 @@ class Packages(AndroidExtraction):
                 self.log.warning("Found an installed package related to rooting/jailbreaking: \"%s\"",
                                  result["package_name"])
                 self.detected.append(result)
-            if result["package_name"] in self.indicators.ioc_app_ids:
-                self.log.warning("Found a malicious package name: \"%s\"",
-                                 result["package_name"])
+                continue
+
+            ioc = self.indicators.check_app_id(result.get("package_name"))
+            if ioc:
+                result["matched_indicators"] = ioc
                 self.detected.append(result)
-                for file in result["files"]:
-                    if file["sha256"] in self.indicators.ioc_files_sha256:
-                        self.log.warning("Found a malicious APK: \"%s\" %s",
-                                         result["package_name"],
-                                         file["sha256"])
-                        self.detected.append(result)
+                continue
+
+            for package_file in result["files"]:
+                ioc = self.indicators.check_file_hash(package_file["sha256"])
+                if ioc:
+                    result["matched_indicators"] = ioc
+                    self.detected.append(result)
 
     def _get_files_for_package(self, package_name):
         output = self._adb_command(f"pm path {package_name}")
@@ -157,13 +160,19 @@ class Packages(AndroidExtraction):
                     if result["package_name"] == package_name:
                         self.results[i][cmd["field"]] = True
 
+        packages_to_lookup = []
         for result in self.results:
             if result["system"]:
                 continue
 
+            packages_to_lookup.append(result)
             self.log.info("Found non-system package with name \"%s\" installed by \"%s\" on %s",
                           result["package_name"], result["installer"], result["timestamp"])
 
+        if not self.fast_mode:
+            virustotal_lookup(packages_to_lookup)
+            koodous_lookup(packages_to_lookup)
+
         self.log.info("Extracted at total of %d installed package names",
                       len(self.results))
 

mvt/android/modules/adb/settings.py

@@ -0,0 +1,106 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021 The MVT Project Authors.
+# Use of this software is governed by the MVT License 1.1 that can be found at
+#   https://license.mvt.re/1.1/
+
+import logging
+import os
+import re
+
+from .base import AndroidExtraction
+
+log = logging.getLogger(__name__)
+
+
+ANDROID_DANGEROUS_SETTINGS = [
+    {
+        "description": "disabled Google Play Services apps verification",
+        "key": "verifier_verify_adb_installs",
+        "safe_value": "1",
+    },
+    {
+        "description": "disabled Google Play Protect",
+        "key": "package_verifier_enable",
+        "safe_value": "1",
+    },
+    {
+        "description": "disabled Google Play Protect",
+        "key": "package_verifier_user_consent",
+        "safe_value": "1",
+    },
+    {
+        "description": "disabled Google Play Protect",
+        "key": "upload_apk_enable",
+        "safe_value": "1",
+    },
+    {
+        "description": "enabled installation of non-market apps",
+        "key": "install_non_market_apps",
+        "safe_value": "0",
+    },
+    {
+        "description": "disabled confirmation of adb apps installation",
+        "key": "adb_install_need_confirm",
+        "safe_value": "1",
+    },
+    {
+        "description": "disabled sharing of security reports",
+        "key": "send_security_reports",
+        "safe_value": "1",
+    },
+    {
+        "description": "disabled sharing of crash logs with manufacturer",
+        "key": "samsung_errorlog_agree",
+        "safe_value": "1",
+    },
+    {
+        "description": "disabled applications errors reports",
+        "key": "send_action_app_error",
+        "safe_value": "1",
+    },
+]
+
+class Settings(AndroidExtraction):
+    """This module extracts Android system settings."""
+
+    def __init__(self, file_path=None, base_folder=None, output_folder=None,
+                 serial=None, fast_mode=False, log=None, results=[]):
+        super().__init__(file_path=file_path, base_folder=base_folder,
+                         output_folder=output_folder, fast_mode=fast_mode,
+                         log=log, results=results)
+
+        self.results = {} if not results else results
+
+    def check_indicators(self):
+        for namespace, settings in self.results.items():
+            for key, value in settings.items():
+                for danger in ANDROID_DANGEROUS_SETTINGS:
+                    # Check if one of the dangerous settings is using an unsafe
+                    # value (different than the one specified).
+                    if danger["key"] == key and danger["safe_value"] != value:
+                        self.log.warning("Found suspicious setting \"%s = %s\" (%s)",
+                                         key, value, danger["description"])
+                        break
+
+    def run(self):
+        self._adb_connect()
+
+        for namespace in ["system", "secure", "global"]:
+            out = self._adb_command(f"cmd settings list {namespace}")
+            if not out:
+                continue
+
+            self.results[namespace] = {}
+
+            for line in out.splitlines():
+                line = line.strip()
+                if line == "":
+                    continue
+
+                fields = line.split("=", 1)
+                try:
+                    self.results[namespace][fields[0]] = fields[1]
+                except IndexError:
+                    continue
+
+        self._adb_disconnect()

mvt/common/indicators.py

@@ -173,8 +173,7 @@ class Indicators:
 
         :param url: URL to match against domain indicators
         :type url: str
-        :returns: True if the URL matched an indicator, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
         # TODO: If the IOC domain contains a subdomain, it is not currently
@@ -246,8 +245,7 @@ class Indicators:
 
         :param urls: List of URLs to check against domain indicators
         :type urls: list
-        :returns: True if any URL matched an indicator, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
         if not urls:
@@ -264,8 +262,7 @@ class Indicators:
 
         :param process: Process name to check against process indicators
         :type process: str
-        :returns: True if process matched an indicator, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
         if not process:
@@ -290,8 +287,7 @@ class Indicators:
 
         :param processes: List of processes to check against process indicators
         :type processes: list
-        :returns: True if process matched an indicator, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
         if not processes:
@@ -307,8 +303,7 @@ class Indicators:
 
         :param email: Email address to check against email indicators
         :type email: str
-        :returns: True if email address matched an indicator, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
         if not email:
@@ -326,8 +321,7 @@ class Indicators:
         :param file_name: File name to check against file
         indicators
         :type file_name: str
-        :returns: True if the file name matched an indicator, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
         if not file_name:
@@ -345,8 +339,7 @@ class Indicators:
         :param file_path: File path or file name to check against file
         indicators
         :type file_path: str
-        :returns: True if the file path matched an indicator, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
         if not file_path:
@@ -368,16 +361,53 @@ class Indicators:
 
         :param profile_uuid: Profile UUID to check against configuration profile indicators
         :type profile_uuid: str
-        :returns: True if the UUID in indicator list, otherwise False
-        :rtype: bool
+        :returns: Indicator details if matched, otherwise None
 
         """
+        if not profile_uuid:
+            return None
+
         for ioc in self.get_iocs("ios_profile_ids"):
             if profile_uuid in ioc["value"]:
                 self.log.warning("Found a known suspicious profile ID \"%s\" matching indicators from \"%s\"",
                                  profile_uuid, ioc["name"])
                 return ioc
 
+    def check_file_hash(self, file_hash):
+        """Check the provided SHA256 file hash against the list of indicators.
+
+        :param file_hash: SHA256 hash to check
+        :type file_hash: str
+        :returns: Indicator details if matched, otherwise None
+
+        """
+        if not file_hash:
+            return None
+
+        for ioc in self.get_iocs("files_sha256"):
+            if file_hash.lower() == ioc["value"].lower():
+                self.log.warning("Found a known suspicious file with hash \"%s\" matching indicators from \"%s\"",
+                                 file_hash, ioc["name"])
+                return ioc
+
+    def check_app_id(self, app_id):
+        """Check the provided app identifier (typically an Android package name)
+        against the list of indicators.
+
+        :param app_id: App ID to check against the list of indicators
+        :type app_id: str
+        :returns: Indicator details if matched, otherwise None
+
+        """
+        if not app_id:
+            return None
+
+        for ioc in self.get_iocs("app_ids"):
+            if app_id.lower() == ioc["value"].lower():
+                self.log.warning("Found a known suspicious app with ID \"%s\" matching indicators from \"%s\"",
+                                 app_id, ioc["name"])
+                return ioc
+
 
 def download_indicators_files(log):
     """

mvt/common/version.py

@@ -6,7 +6,7 @@
 import requests
 from packaging import version
 
-MVT_VERSION = "1.4.7"
+MVT_VERSION = "1.4.9"
 
 
 def check_for_updates():

mvt/ios/modules/backup/configuration_profiles.py

@@ -1,4 +1,3 @@
-
 # Mobile Verification Toolkit (MVT)
 # Copyright (c) 2021 The MVT Project Authors.
 # Use of this software is governed by the MVT License 1.1 that can be found at
@@ -78,6 +77,9 @@ class ConfigurationProfiles(IOSExtraction):
 
             if "SignerCerts" in conf_plist:
                 conf_plist["SignerCerts"] = [b64encode(x) for x in conf_plist["SignerCerts"]]
+            if "OTAProfileStub" in conf_plist:
+                if "SignerCerts" in conf_plist["OTAProfileStub"]:
+                    conf_plist["OTAProfileStub"]["SignerCerts"] = [b64encode(x) for x in conf_plist["OTAProfileStub"]["SignerCerts"]]
             if "PushTokenDataSentToServerKey" in conf_plist:
                 conf_plist["PushTokenDataSentToServerKey"] = b64encode(conf_plist["PushTokenDataSentToServerKey"])
             if "LastPushTokenHash" in conf_plist:

mvt/ios/modules/mixed/safari_browserstate.py

@@ -62,6 +62,7 @@ class SafariBrowserState(IOSExtraction):
                         self.detected.append(result)
 
     def _process_browser_state_db(self, db_path):
+        self._recover_sqlite_db_if_needed(db_path)
         conn = sqlite3.connect(db_path)
 
         cur = conn.cursor()
@@ -92,8 +93,12 @@ class SafariBrowserState(IOSExtraction):
             if row[4]:
                 # Skip a 4 byte header before the plist content.
                 session_plist = row[4][4:]
-                session_data = plistlib.load(io.BytesIO(session_plist))
-                session_data = keys_bytes_to_string(session_data)
+                session_data = {}
+                try:
+                    session_data = plistlib.load(io.BytesIO(session_plist))
+                    session_data = keys_bytes_to_string(session_data)
+                except plistlib.InvalidFileException:
+                    pass
 
                 if "SessionHistoryEntries" in session_data.get("SessionHistory", {}):
                     for session_entry in session_data["SessionHistory"].get("SessionHistoryEntries"):
@@ -114,7 +119,6 @@ class SafariBrowserState(IOSExtraction):
             })
 
     def run(self):
-
         if self.is_backup:
             for backup_file in self._get_backup_files_from_manifest(relative_path=SAFARI_BROWSER_STATE_BACKUP_RELPATH):
                 self.file_path = self._get_backup_file_from_id(backup_file["file_id"])

mvt/ios/modules/mixed/webkit_resource_load_statistics.py

@@ -28,7 +28,7 @@ class WebkitResourceLoadStatistics(IOSExtraction):
                          output_folder=output_folder, fast_mode=fast_mode,
                          log=log, results=results)
 
-        self.results = {}
+        self.results = {} if not results else results
 
     def check_indicators(self):
         if not self.indicators:

mvt/ios/modules/mixed/webkit_session_resource_log.py

@@ -35,7 +35,7 @@ class WebkitSessionResourceLog(IOSExtraction):
                          output_folder=output_folder, fast_mode=fast_mode,
                          log=log, results=results)
 
-        self.results = {}
+        self.results = {} if not results else results
 
     @staticmethod
     def _extract_domains(entries):

mvt/ios/versions.py

@@ -236,6 +236,7 @@ IPHONE_IOS_VERSIONS = [
     {"build": "19B81", "version": "15.1.1"},
     {"build": "19C56", "version": "15.2"},
     {"build": "19C63", "version": "15.2.1"},
+    {"build": "19D50", "version": "15.3"},
 ]
 
 

tests/ios/test_safari_browserstate.py

@@ -0,0 +1,36 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021 The MVT Project Authors.
+# Use of this software is governed by the MVT License 1.1 that can be found at
+#   https://license.mvt.re/1.1/
+
+import logging
+
+from mvt.common.indicators import Indicators
+from mvt.common.module import run_module
+from mvt.ios.modules.mixed.safari_browserstate import SafariBrowserState
+
+from ..utils import get_backup_folder
+
+
+class TestSafariBrowserStateModule:
+    def test_parsing(self):
+        m = SafariBrowserState(base_folder=get_backup_folder(), log=logging, results=[])
+        m.is_backup = True
+        run_module(m)
+        assert m.file_path != None
+        assert len(m.results) == 1
+        assert len(m.timeline) == 1
+        assert len(m.detected) == 0
+
+    def test_detection(self, indicator_file):
+        m = SafariBrowserState(base_folder=get_backup_folder(), log=logging, results=[])
+        m.is_backup = True
+        ind = Indicators(log=logging)
+        ind.parse_stix2(indicator_file)
+        # Adds a file that exists in the manifest.
+        ind.ioc_files[0]["domains"].append("en.wikipedia.org")
+        m.indicators = ind
+        run_module(m)
+        assert len(m.detected) == 1
+        assert len(m.results) == 1
+        assert m.results[0]["tab_url"] == "https://en.wikipedia.org/wiki/NSO_Group"