Refactor dumpsys accessibility in an artifact

tests/android/test_artifact.py

@@ -0,0 +1,20 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021-2023 Claudio Guarnieri.
+# Use of this software is governed by the MVT License 1.1 that can be found at
+#   https://license.mvt.re/1.1/
+from mvt.android.artifacts.artifact import AndroidArtifact
+
+from ..utils import get_artifact
+
+
+class TestAndroidArtifact:
+    def test_extract_dumpsys_section(self):
+        file = get_artifact("androidqf/dumpsys.txt")
+        with open(file) as f:
+            data = f.read()
+
+        section = AndroidArtifact.extract_dumpsys_section(
+            data, "DUMP OF SERVICE package:"
+        )
+        assert isinstance(section, str)
+        assert len(section) == 3907

tests/android/test_artifact_dumpsys_accessibility.py

@@ -0,0 +1,42 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021-2023 Claudio Guarnieri.
+# 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.android.artifacts.dumpsys_accessibility import DumpsysAccessibility
+from mvt.common.indicators import Indicators
+
+from ..utils import get_artifact
+
+
+class TestDumpsysAccessibilityArtifact:
+    def test_parsing(self):
+        da = DumpsysAccessibility()
+        file = get_artifact("android_data/dumpsys_accessibility.txt")
+        with open(file) as f:
+            data = f.read()
+
+        assert len(da.results) == 0
+        da.parse(data)
+        assert len(da.results) == 4
+        assert da.results[0]["package_name"] == "com.android.settings"
+        assert (
+            da.results[0]["service"]
+            == "com.android.settings/com.samsung.android.settings.development.gpuwatch.GPUWatchInterceptor"
+        )
+
+    def test_ioc_check(self, indicator_file):
+        da = DumpsysAccessibility()
+        file = get_artifact("android_data/dumpsys_accessibility.txt")
+        with open(file) as f:
+            data = f.read()
+        da.parse(data)
+
+        ind = Indicators(log=logging.getLogger())
+        ind.parse_stix2(indicator_file)
+        ind.ioc_collections[0]["app_ids"].append("com.sec.android.app.camera")
+        da.indicators = ind
+        assert len(da.detected) == 0
+        da.check_indicators()
+        assert len(da.detected) == 1