ctf-pwn-rop

Construct ROP exploit chains for ELF binaries using GDB, pwntools, and ROPgadget.

Updated Jul 30, 2026
One-click install
npx skills add https://github.com/salmanabdurrahman/pi-pentest-agent --skill ctf-pwn-rop
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ctf-pwn-rop
Source: https://github.com/salmanabdurrahman/pi-pentest-agent/tree/main/skills/ctf-pwn-rop
Command: npx skills add https://github.com/salmanabdurrahman/pi-pentest-agent --skill ctf-pwn-rop

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides a structured, authorized framework for performing complex Return-Oriented Programming (ROP) attacks on binary targets, ensuring that advanced exploitation techniques are executed with proper scope, authorization, and evidence discipline.

Core Features & Use Cases

  • Advanced ROP Techniques: Supports ret2csu, stack pivoting, mprotect shellcode staging, SROP, and ret2dlresolve for bypassing modern binary protections like NX and PIE.
  • Constraint Management: Includes strategies for handling bad-byte constraints and chain verification via GDB debugging.
  • Use Case: Use this skill to develop and verify an exploit chain for a competition binary that requires bypassing NX protections using mprotect and shellcode staging within an authorized lab environment.

Quick Start

Use the ctf-pwn-rop skill to analyze the provided binary and construct a ROP chain for the specified target service after validating the scope and authorization.

Frequently Asked Questions about ctf-pwn-rop

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

FAQPage Schema
How do I bypass NX and PIE protections using ROP chains in ELF binaries?

You can bypass NX and PIE protections by constructing advanced Return-Oriented Programming (ROP) chains for ELF binaries. This involves using techniques like ret2csu, stack pivoting, mprotect shellcode staging, SROP, and ret2dlresolve to bypass modern binary protections.

How do I find and compose ROP gadgets for CTF binary exploitation?

To compose ROP gadgets for CTF binary exploitation, you integrate the process with GDB, pwntools, and ROPgadget. These tools facilitate automated gadget discovery, chain composition, and remote service verification to ensure the exploit works against the target.

What techniques help manage bad-byte constraints when building ROP exploits?

Managing bad-byte constraints in ROP exploits requires specific constraint management strategies during chain composition. You verify the constructed chain through GDB debugging to ensure the payload avoids restricted characters and executes correctly against the target binary.

Can I use pwntools and GDB to verify an mprotect shellcode staging exploit?

Yes, you can use pwntools and GDB to verify an mprotect shellcode staging exploit. The process applies these tools to perform gadget discovery, compose the ROP chain, and debug the exploit to validate that it successfully bypasses NX protections within an authorized lab environment.

When do I need SROP or ret2dlresolve for CTF pentest challenges?

You need SROP or ret2dlresolve for CTF pentest challenges when standard ROP techniques fail to bypass modern binary protections like NX and PIE. These advanced methods provide alternative execution paths for complex exploitation scenarios in authorized security research.