ctf-pwn

Identify memory corruption vulnerabilities in CTF binaries and outline exploitation plans.

797|69|Updated Aug 18, 2023
One-click install
npx skills add https://github.com/cyberkaida/reverse-engineering-assistant --skill ctf-pwn
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ctf-pwn
Source: https://github.com/cyberkaida/reverse-engineering-assistant/tree/main/ReVa/skills/ctf-pwn
Command: npx skills add https://github.com/cyberkaida/reverse-engineering-assistant --skill ctf-pwn

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill guides users through the process of identifying memory corruption vulnerabilities in CTF binaries and reasoning about exploit paths to read flags, turning complex reverse-engineering tasks into structured, actionable analysis.

Core Features & Use Cases

  • Vulnerability discovery framework: Detect unsafe patterns, map data flow from input to vulnerable sinks, and annotate findings to support exploit planning.
  • Exploitation planning: Build memory-layout-aware strategies (stack/heap) and outline how to reach a flag without executing code in the environment.
  • Payload planning and documentation: Propose high-level payload structures (e.g., ret2libc or ROP chains) and record offsets, gadgets, and calling conventions for offline exploit development.
  • Educational use cases: Practice on typical CTF challenges like buffer overflows, format string bugs, heap exploits, and ROP challenges.

Quick Start

Analyze the provided binary to identify memory corruption vulnerabilities and generate an exploitation plan to read the flag.

Frequently Asked Questions about ctf-pwn

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

FAQPage Schema
How do I identify memory corruption vulnerabilities in a CTF binary?

To identify memory corruption vulnerabilities in a CTF binary, analyze the binary to detect unsafe patterns and map data flow from input to vulnerable sinks. This process annotates findings to support the creation of a structured exploitation plan.

How do I plan an exploit strategy for buffer overflow and format string bugs?

Planning an exploit strategy for buffer overflow and format string bugs involves building memory-layout-aware strategies for the stack or heap. The process outlines required primitives and data flow offsets to reach the flag without executing code.

What is the best way to structure a ROP chain payload for binary exploitation?

The best way to structure a ROP chain payload for binary exploitation is to propose a high-level payload structure, such as ret2libc, while recording offsets, gadgets, and calling conventions to produce a strategy suitable for offline exploit scripting.

Do I need to execute code in the environment to read the flag during heap exploitation?

No, you do not need to execute code in the environment to read the flag during heap exploitation. The framework reasons about exploit paths and outlines how to reach the flag directly through a structured payload planning strategy.

Can I use this approach for typical CTF challenges like ROP and heap exploits without external dependencies?

Yes, you can use this approach for typical ROP and heap exploit challenges without external dependencies. The framework operates independently to outline memory layouts, required primitives, and payload strategies for offline exploit development.