
Indirect Prompt Injection: Manipulating LLMs Through Hidden Commands
Table of Contents
- Indirect Prompt Injection: Manipulating LLMs Through Hidden Commands
- What is Indirect Prompt Injection?
- Attack Flow Diagram
- The PortSwigger Lab Challenge
- Exploring the Attack Surface
- Example API Interaction
- Testing the Attack Surface - Lab Steps
- The Vulnerability: How Product Reviews Become Attack Vectors
- API Call Structure
- Crafting the Exploit
- Understanding Why The Attack Works: LLM Parser vs. JSON Parser
- Why Multiple Closing Characters (`]]]}}}}`) Are Used
- Detailed Explanation of the "Shotgun Approach"
- Real-World Analogy
- Executing the Attack
- Alternative Payload Examples
- The Experimental Nature of Prompt Injection
- Mitigation Strategies
- Principle of Least Privilege
- Advanced Mitigation Techniques
- Conclusion
- Technical Appendix: The Mechanics of LLM Prompt Injection
- Reading Article Information
- Key Takeaways
- Prerequisites
- What You'll Learn