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API Reference: Mobile App Penetration Testing Agent
Overview
Tests Android mobile applications for OWASP MASTG vulnerabilities: insecure storage, hardcoded secrets, manifest misconfigurations, certificate pinning bypass, and API authorization flaws. For authorized testing only.
Dependencies
| Package | Version | Purpose |
|---|---|---|
| requests | >=2.28 | API and cert pinning testing |
| apktool | >=2.7 | APK decompilation (subprocess) |
| adb | - | Android device interaction (subprocess) |
CLI Usage
python agent.py --apk target.apk --manifest AndroidManifest.xml \
--api-url https://api.target.com --auth-token <jwt> --output report.json
Key Functions
decompile_apk(apk_path, output_dir)
Decompiles APK using apktool for static analysis of smali code and resources.
extract_strings_from_apk(apk_path)
Extracts hardcoded sensitive strings (API keys, passwords, tokens, URLs) from APK binary.
check_android_manifest(manifest_path)
Analyzes AndroidManifest.xml for debuggable, allowBackup, exported components, and cleartext traffic settings.
test_certificate_pinning(target_url)
Tests if API connections succeed through a proxy (indicating missing cert pinning).
check_insecure_storage_adb()
Checks shared_prefs, databases, and external storage for sensitive data via adb shell.
test_api_endpoints(base_url, endpoints, auth_token)
Tests API endpoints for authorization bypass by comparing authenticated vs unauthenticated responses.
check_root_detection(package_name)
Inspects the app package for root detection library indicators (RootBeer, SafetyNet).
OWASP MASTG Coverage
| Category | Test | Function |
|---|---|---|
| MASVS-STORAGE | Insecure Data Storage | check_insecure_storage_adb |
| MASVS-STORAGE | Hardcoded Credentials | extract_strings_from_apk |
| MASVS-NETWORK | Certificate Pinning | test_certificate_pinning |
| MASVS-NETWORK | Cleartext Traffic | check_android_manifest |
| MASVS-AUTH | API Authorization | test_api_endpoints |
| MASVS-RESILIENCE | Root Detection | check_root_detection |