competition-android-hooking

Hook Android runtime boundaries and reproduce accepted request paths.

4|Updated Apr 9, 2026
One-click install
npx skills add https://github.com/xjtu-wang/DigAgent --skill competition-android-hooking
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: competition-android-hooking
Source: https://github.com/xjtu-wang/DigAgent/tree/main/.agents/skills/competition-android-hooking
Command: npx skills add https://github.com/xjtu-wang/DigAgent --skill competition-android-hooking

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Android apps often protect sensitive data and rely on trust boundaries that are hard to analyze without invasive instrumentation. This skill provides a structured approach to hook runtime boundaries, capture inputs and outputs at key edges, and validate trust decisions within a safe sandbox.

Core Features & Use Cases

  • Hook and trace Android components (signers, JNI bridges, WebView interfaces) to surface trust-boundary behavior.
  • Reproduce accepted requests to verify server-side logic and edge conditions.
  • Maintain evidence and logs to support audit and re-verification.

Quick Start

Activate the sandbox context from $ctf-sandbox-orchestrator, then start the hooking workflow on the target APK and replay the accepted request path.

Frequently Asked Questions about competition-android-hooking

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I hook Android apps to analyze trust boundaries?

You can hook Android apps to analyze trust boundaries by instrumenting runtime components like JNI bridges and WebView interfaces to capture inputs, trace behavior, and validate trust decisions within a sandbox.

What is the best way to reproduce accepted network requests for Android security testing?

The best way to reproduce accepted network requests is by hooking the runtime boundaries of the target Android app to capture the exact request path, allowing you to verify server-side logic and edge conditions.

Can I use Frida to trace APK signing and Keystore access in a sandbox?

Yes, you can use Frida to trace APK signing, Keystore access, and JNI bridges by hooking these specific runtime boundaries to surface trust-boundary behavior for hands-on security investigations.

Do I need a sandbox environment to hook Android components?

Yes, you need a pre-established sandbox context, such as one from a sandbox orchestrator, to safely execute the hooking workflow and capture evidence without invasive risks to your host system.

How does hooking WebView interfaces expose security weaknesses?

Hooking WebView interfaces exposes security weaknesses by capturing the data inputs and outputs at these trust edges, which reveals how the app handles sensitive data and validates trust decisions.

What evidence do I get from tracing Android app trust boundaries?

Tracing Android app trust boundaries provides precise hook logs, replayable requests, and captured inputs that serve as concrete evidence to support audit and re-verification of trust decisions.