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What is ropgenerator?

0verflowme/ropgenerator — explained in plain English

Analysis updated 2026-07-30 · repo last pushed 2019-11-01

Audience · researcherComplexity · 4/5DormantSetup · moderate

In one sentence

ROPGenerator automates building ROP exploits by letting you describe what you want in simple queries, then finding and chaining code fragments in a binary to achieve that goal automatically.

Mindmap

mindmap
  root((repo))
    What it does
      Load binary files
      Auto-find code gadgets
      Chain fragments together
    Use cases
      Security auditing
      CTF competitions
      Vulnerability testing
    Tech stack
      Python
      Docker
      BARF
      LIEF
    Features
      Register queries
      Syscall setup
      Shellcode injection
    Audience
      Security researchers
      Penetration testers

Code map

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What do people build with it?

USE CASE 1

Demonstrate that a memory corruption bug is exploitable during a security audit by auto-generating the ROP chain.

USE CASE 2

Solve CTF challenges faster by querying for register values or syscalls instead of manually hunting for gadgets.

USE CASE 3

Generate Python exploit code from a binary so you can integrate the ROP chain into a larger exploit script.

What is it built with?

PythonBARFLIEFROPgadgetDocker

How does it compare?

0verflowme/ropgenerator00kaku/gallery-slider-block04amanrajj/netwatch
Stars0
LanguageJavaScriptRust
Last pushed2019-11-012021-05-19
MaintenanceDormantDormant
Setup difficultymoderateeasymoderate
Complexity4/52/53/5
Audienceresearchergeneralops devops

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Multiple binary analysis library dependencies (BARF, LIEF, ROPgadget) make installation non-trivial, but Docker provides a pre-configured alternative.

No license information was provided in the explanation, so the terms of use are unknown.

So what is it?

ROPGenerator is a tool for security researchers and penetration testers who need to build ROP exploits. ROP (Return-Oriented Programming) is a technique used to bypass security defenses in software by chaining together small fragments of existing code, called "gadgets", to make a program do something it wasn't originally designed to do. Instead of manually hunting through a program's code for useful fragments and figuring out how to combine them, this tool automates the entire process. You start by loading a binary file (a compiled program) into the tool's command-line interface. From there, you describe what you want the exploit to accomplish using simple, readable queries. For example, you can write something like rax=rbx+8 to tell the tool you need to set a specific register (a temporary storage slot in the processor) to a particular value. The tool then searches the binary, finds the right code fragments, and automatically chains them together to achieve that goal. The tool supports more advanced scenarios too. You can ask it to set up function calls, trigger system-level operations (syscalls), or even inject and run custom shellcode. It also lets you set practical constraints, like avoiding certain "bad bytes" that would break the exploit, keeping specific registers untouched, limiting the total length of the chain, or exporting the result as raw data or Python code. This is aimed at security professionals, CTF (Capture The Flag) competitors, and anyone studying or testing software vulnerabilities. If you're auditing a program and need to demonstrate that a memory corruption bug is exploitable, this tool turns what would normally be a tedious, manual puzzle into a streamlined query process. It currently works on x86 and x64 architectures, with ARM support planned. The project is built on top of several existing binary analysis and reverse engineering libraries, BARF, LIEF, and ROPgadget, which handle the heavy lifting of parsing and analyzing compiled code. It can also run in a Docker container, which gives you a pre-configured environment without needing to install all the dependencies on your own machine.

Copy-paste prompts

Prompt 1
I have a vulnerable x64 binary and need to set rax to rbx+8 using ROP. Help me load it into ROPGenerator and write the query to generate the gadget chain.
Prompt 2
I'm working on a CTF challenge and need to call execve via a syscall using ROPGenerator. Walk me through setting up the syscall query and avoiding null bytes as bad bytes.
Prompt 3
I want to use ROPGenerator in Docker so I don't have to install BARF, LIEF, and ROPgadget manually. Show me how to pull and run the container, load my binary, and export the result as Python code.

Frequently asked questions

What is ropgenerator?

ROPGenerator automates building ROP exploits by letting you describe what you want in simple queries, then finding and chaining code fragments in a binary to achieve that goal automatically.

Is ropgenerator actively maintained?

Dormant — no commits in 2+ years (last push 2019-11-01).

What license does ropgenerator use?

No license information was provided in the explanation, so the terms of use are unknown.

How hard is ropgenerator to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is ropgenerator for?

Mainly researcher.

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