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Janik Besendorf
9bcbaac3a2
Parse both installed and enabled accessibility services, adding an "enabled" field to each result. This lets users see at a glance whether any installed accessibility service is actually active. Fixes #744
83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021-2023 The MVT Authors.
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# Use of this software is governed by the MVT License 1.1 that can be found at
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# https://license.mvt.re/1.1/
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import logging
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from mvt.android.artifacts.dumpsys_accessibility import DumpsysAccessibilityArtifact
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from mvt.common.indicators import Indicators
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from ..utils import get_artifact
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class TestDumpsysAccessibilityArtifact:
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def test_parsing(self):
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da = DumpsysAccessibilityArtifact()
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file = get_artifact("android_data/dumpsys_accessibility.txt")
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with open(file) as f:
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data = f.read()
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assert len(da.results) == 0
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da.parse(data)
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assert len(da.results) == 4
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assert da.results[0]["package_name"] == "com.android.settings"
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assert (
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da.results[0]["service"]
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== "com.android.settings/com.samsung.android.settings.development.gpuwatch.GPUWatchInterceptor"
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)
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# All services are installed but none enabled in this fixture
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for result in da.results:
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assert result["enabled"] is False
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def test_parsing_v14_aosp_format(self):
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da = DumpsysAccessibilityArtifact()
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file = get_artifact("android_data/dumpsys_accessibility_v14_or_later.txt")
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with open(file) as f:
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data = f.read()
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assert len(da.results) == 0
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da.parse(data)
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assert len(da.results) == 1
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assert da.results[0]["package_name"] == "com.malware.accessibility"
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assert (
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da.results[0]["service"]
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== "com.malware.accessibility/com.malware.service.malwareservice"
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)
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assert da.results[0]["enabled"] is True
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def test_parsing_installed_and_enabled(self):
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da = DumpsysAccessibilityArtifact()
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file = get_artifact("android_data/dumpsys_accessibility_enabled.txt")
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with open(file) as f:
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data = f.read()
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assert len(da.results) == 0
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da.parse(data)
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assert len(da.results) == 5
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enabled = [r for r in da.results if r["enabled"]]
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assert len(enabled) == 1
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assert enabled[0]["package_name"] == "com.samsung.accessibility"
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assert (
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enabled[0]["service"]
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== "com.samsung.accessibility/.universalswitch.UniversalSwitchService (A11yTool)"
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)
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not_enabled = [r for r in da.results if not r["enabled"]]
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assert len(not_enabled) == 4
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def test_ioc_check(self, indicator_file):
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da = DumpsysAccessibilityArtifact()
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file = get_artifact("android_data/dumpsys_accessibility.txt")
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with open(file) as f:
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data = f.read()
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da.parse(data)
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ind = Indicators(log=logging.getLogger())
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ind.parse_stix2(indicator_file)
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ind.ioc_collections[0]["app_ids"].append("com.sec.android.app.camera")
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da.indicators = ind
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assert len(da.detected) == 0
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da.check_indicators()
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assert len(da.detected) == 1
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