analyzing-android-malware-with-apktool

analyzing-android-malware-with-apktool is a skill for Claude Code from 26zl/cybersec-toolkit. It costs 50 tokens per session (481 once invoked), scanned A, a copy of analyzing-android-malware-with-apktool, MIT.

A guide to examining Android application package files, the APK files used to install Android apps, without running them. It uses tools such as apktool, jadx, and androguard to inspect the app’s manifest, code, permissions, and resources.

In plain words
What is it for?
Decompiling APK resources, recovering Java code, reviewing permissions and manifest components, finding suspicious API calls or obfuscation, and building indicators for Android malware investigations.
Why use it?
Static analysis can expose suspicious behavior in an app before execution, including dangerous permission combinations, hidden code, dynamic loading, reflection, and network indicators. An isolated environment reduces the risk when handling malware samples.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Part of the cybersec-toolkit plugin — 197 skills, 2 hooks, 1 MCP server shipped together

Good fit Decompiling APK resources, recovering Java code, reviewing permissions and manifest components, finding suspicious API calls or obfuscation, and building indicators for Android malware investigations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/26zl/cybersec-toolkit/analyzing-android-malware-with-apktool
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 26zl/cybersec-toolkit --skill analyzing-android-malware-with-apktool
Clone the repo
git clone --depth 1 https://github.com/26zl/cybersec-toolkit

Made for: Claude Code.

Or install cybersec-toolkit, the plugin that ships this one along with the rest of its 197 skills, 2 hooks, 1 MCP server.

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 analyzing-android-malware-with-apktool

README.md
[![agentmods](https://agentmods.dev/badge/skills/26zl/cybersec-toolkit/analyzing-android-malware-with-apktool/github.svg)](https://agentmods.dev/skills/26zl/cybersec-toolkit/analyzing-android-malware-with-apktool)
Your own site
<a href="https://agentmods.dev/skills/26zl/cybersec-toolkit/analyzing-android-malware-with-apktool"><img src="https://agentmods.dev/badge/skills/26zl/cybersec-toolkit/analyzing-android-malware-with-apktool/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 analyzing-android-malware-with-apktool

Your own site · 80×15
<a href="https://agentmods.dev/skills/26zl/cybersec-toolkit/analyzing-android-malware-with-apktool"><img src="https://agentmods.dev/badge/skills/26zl/cybersec-toolkit/analyzing-android-malware-with-apktool.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 481 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 95% copy Near-identical to another mod 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 $0.00050 $0.00481
Opus 5 $0.00025 $0.00241
Sonnet 5 $0.00010 $0.00096
Haiku 4.5 $0.00005 $0.00048

Measured 9d ago against content hash 52a1da757910, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

analyzing-android-malware-with-apktool 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/agent.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Origin

This is a copy

95% identical to analyzing-android-malware-with-apktool — 9 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/analyzing-android-malware-with-apktool/SKILL.md · 62 lines

What it actually says

Analyzing Android Malware with Apktool

Overview

Android malware distributed as APK files can be statically analyzed to extract permissions, activities, services, broadcast receivers, and suspicious API calls without executing the sample. This skill uses androguard for programmatic APK analysis, identifying dangerous permission combinations, obfuscated code patterns, dynamic code loading, reflection-based API calls, and network communication indicators.

When to Use

  • When investigating security incidents that require analyzing android malware with apktool
  • When building detection rules or threat hunting queries for this domain
  • When SOC analysts need structured procedures for this analysis type
  • When validating security monitoring coverage for related attack techniques

Prerequisites

  • Python 3.9+ with androguard
  • apktool (for resource decompilation)
  • jadx (for Java source recovery, optional)
  • Isolated analysis environment (VM or sandbox)
  • Sample APK files for analysis

Steps

  1. Parse APK with androguard to extract manifest metadata
  2. Enumerate requested permissions and flag dangerous combinations
  3. List activities, services, receivers, and providers from manifest
  4. Scan for suspicious API calls (reflection, crypto, SMS, telephony)
  5. Detect dynamic code loading patterns (DexClassLoader, Runtime.exec)
  6. Extract hardcoded URLs, IPs, and C2 indicators from strings
  7. Generate risk assessment report with MITRE ATT&CK mobile mappings

Expected Output

  • JSON report with permission analysis, component listing, suspicious API calls, network indicators, and risk score
  • Extracted strings and potential IOCs from the APK
Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 62 lines · 50 tokens per session scan A 52a1da757910

Subscribe to this mod's changes

analyzing-android-malware-with-apktool is a skill published in the GitHub repository 26zl/cybersec-toolkit (51 stars, last pushed yesterday), licensed MIT. It adds 50 tokens to every session and 481 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 95% identical to analyzing-android-malware-with-apktool, differing in 9 lines, and is treated as a copy.

Related

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analyzing-android-malware-with-apktool

Perform static analysis of Android APK malware using apktool for resource decompilation, jadx for Java source recovery, and androguard for manifest inspection, dangerous permission-combination detection, and identification of obfuscated code, dynamic code loading, and reflection-based API calls. Use to statically…

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