Mobile Android Whitebox Audit

Mobile Android Whitebox Audit is a skill for Claude Code from allsmog/vuln-scout. It costs 100 tokens per session (1,648 once invoked), scanned A, original, MIT.

A workflow for security testing a decompiled Android application, such as an APK or xAPK. It combines findings from decompiled source code, resources, and the Android manifest.

In plain words
What is it for?
Use it to audit Android packages, including JADX or Apktool output, manifest settings, network security configuration, and deeper CodeQL or Joern analysis.
Why use it?
A regular scan may inspect only part of a decompiled Android app. This workflow brings code and resource checks together into one set of findings.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the vuln-scout plugin — 32 skills, 15 commands, 9 agents shipped together

Good fit Use it to audit Android packages, including JADX or Apktool output, manifest settings, network security configuration, and deeper CodeQL or Joern analysis.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/allsmog/vuln-scout/mobile-android
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add allsmog/vuln-scout --skill mobile-android
Clone the repo
git clone --depth 1 https://github.com/allsmog/vuln-scout

Made for: Claude Code.

Or install vuln-scout, the plugin that ships this one along with the rest of its 32 skills, 15 commands, 9 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for Mobile Android Whitebox Audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/allsmog/vuln-scout/mobile-android/github.svg)](https://agentmods.dev/skills/allsmog/vuln-scout/mobile-android)
Your own site
<a href="https://agentmods.dev/skills/allsmog/vuln-scout/mobile-android"><img src="https://agentmods.dev/badge/skills/allsmog/vuln-scout/mobile-android/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for Mobile Android Whitebox Audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/allsmog/vuln-scout/mobile-android"><img src="https://agentmods.dev/badge/skills/allsmog/vuln-scout/mobile-android.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 100 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,648 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00100 $0.01648
Opus 5 $0.00050 $0.00824
Sonnet 5 $0.00020 $0.00330
Haiku 4.5 $0.00010 $0.00165

Measured 9d ago against content hash aa067a74e77a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

Mobile Android Whitebox Audit scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

vuln-scout/skills/mobile-android/SKILL.md · 102 lines

How it starts

The opening of the file, as written. The whole thing — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Mobile Android Whitebox Audit

When this skill applies

The user is reviewing a decompiled Android target. Signals to look for:

  • The working directory or referenced target contains jadx_out/, jadx_out2/, apktool_out/, AndroidManifest.xml, *.smali, or jadx's signature defpackage/*.java files (obfuscated default-package classes).
  • The user mentions an APK, xAPK, or an Android package name (com.example.*, com.acme.app, etc.).
  • A previous run produced findings under <target>/.claude/findings.json whose type starts with mobile-*.

Workflow: prefer /vuln-scout:mobile-audit

For Android targets, the regular /vuln-scout:scan only sees one of the two decompilation trees (code OR resources). Use the unified driver instead:

/vuln-scout:mobile-audit <target-root>

The driver auto-discovers jadx_out/sources (or jadx/sources, decompiled/sources, android-decompiled/sources, src/main/java) for code findings and apktool_out (or apktool, res) for manifest + NSC findings, runs the orchestrator on each, and merges the artifacts into a single <target>/.claude/findings.json. Use the --profile deep flag when CodeQL / Joern are installed (run python3 vuln-scout/scripts/doctor.py to confirm).

High-signal detector cheatsheet

VulnScout ships dedicated mobile detectors. Each produces normalized findings with the standard schema (stable_key, kind, severity, type, etc.).

Detector Type slug What it finds
detect_webview_js_injection mobile-webview-js-injection A <script> block or var X = JS literal assembled from native StringBuilder/helper calls — the in-WebView card-tokenization shape. Dispatched via evaluateJavascript somewhere in the call graph.
detect_webview_unsafe_config mobile-webview-file-access, mobile-webview-js-interface setJavaScriptEnabled(true) + setAllowFileAccess(true) / addJavascriptInterface().
detect_remote_controlled_url mobile-remote-controlled-endpoint URL fetched from a config key (getString("*_URL"...)) and dispatched via OkHttp/Retrofit/CoroutineCallFactory — the remote-config URL-injection shape.
detect_network_security_config_gaps mobile-nsc-no-pinning, mobile-nsc-narrow-pinning, mobile-nsc-cleartext Missing or partial cert pinning, cleartext traffic permitted.
detect_android_manifest_issues mobile-exported-component-no-permission, mobile-debuggable-build Exported activity/service/receiver with no permission guard; debuggable production build.
detect_android_storage_backup_issues mobile-allow-backup-true, mobile-exported-provider, mobile-deeplink-host-wildcard allowBackup=true; exported ContentProviders without permission; wildcard deeplink hosts.
detect_insecure_crypto mobile-insecure-crypto, mobile-insecure-random AES default mode (ECB) / DES / 3DES / RC4 / MD5 / SHA-1 / HmacMD5; Math.random() / new Random() used for tokens/IVs/keys.
detect_sensitive_sharedprefs mobile-shared-prefs-sensitive Tokens / passwords / JWTs / PANs written to non-Encrypted SharedPreferences.
detect_log_sensitive_data mobile-log-sensitive Log.X call interpolating a variable whose name maps to a sensitive identifier.
detect_insecure_tls mobile-insecure-tls Empty checkServerTrusted / always-true HostnameVerifier.
detect_mobile_intent_redirection mobile-intent-redirection Activity re-launches an externally provided Intent (StrandHogg shape).
detect_pendingintent_mutable mobile-pendingintent-mutable PendingIntent.get* with FLAG_MUTABLE.
detect_hardcoded_secrets_simple secret-hardcoded, secret-private-key AKIA / sk_live_ / ghp_ / xoxb / -----BEGIN PRIVATE KEY----- blocks.

Read the full file on GitHub · 102 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 102 lines · 100 tokens per session scan A aa067a74e77a

Subscribe to this mod's changes

Mobile Android Whitebox Audit is a skill published in the GitHub repository allsmog/vuln-scout (24 stars, last pushed 2mo ago), licensed MIT. It adds 100 tokens to every session and 1,648 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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