Added new module to highlight installed accessibility services

mvt/android/modules/adb/__init__.py

@@ -4,6 +4,7 @@
 #   https://license.mvt.re/1.1/
 
 from .chrome_history import ChromeHistory
+from .dumpsys_accessibility import DumpsysAccessibility
 from .dumpsys_batterystats import DumpsysBatterystats
 from .dumpsys_full import DumpsysFull
 from .dumpsys_packages import DumpsysPackages
@@ -18,6 +19,6 @@ from .sms import SMS
 from .whatsapp import Whatsapp
 
 ADB_MODULES = [ChromeHistory, SMS, Whatsapp, Processes,
-               DumpsysBatterystats, DumpsysProcstats,
+               DumpsysAccessibility, DumpsysBatterystats, DumpsysProcstats,
                DumpsysPackages, DumpsysReceivers, DumpsysFull,
                Packages, RootBinaries, Logcat, Files]

mvt/android/modules/adb/dumpsys_accessibility.py

@@ -0,0 +1,53 @@
+# 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 io
+
+from .base import AndroidExtraction
+
+log = logging.getLogger(__name__)
+
+
+class DumpsysAccessibility(AndroidExtraction):
+    """This module extracts stats on accessibility."""
+
+    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)
+
+    def run(self):
+        self._adb_connect()
+
+        stats = self._adb_command("dumpsys accessibility")
+
+        in_services = False
+        for line in stats.split("\n"):
+            if line.strip().startswith("installed services:"):
+                in_services = True
+                continue
+
+            if in_services and line.strip() == "}":
+                break
+
+            if not in_services:
+                continue
+
+            service = line.split(":")[1].strip()
+            log.info("Found installed accessibility service \"%s\"", service)
+
+        if self.output_folder:
+            acc_path = os.path.join(self.output_folder,
+                                      "dumpsys_accessibility.txt")
+            with io.open(acc_path, "w", encoding="utf-8") as handle:
+                handle.write(stats)
+
+            log.info("Records from dumpsys accessibility stored at %s",
+                     acc_path)
+
+        self._adb_disconnect()