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matrixtm/mhddos

Analysis updated 2026-06-24

★ 15,877PythonAudience · researcherComplexity · 3/5Setup · moderate

TLDR

A Python script that bundles many network and HTTP flood techniques for authorized stress testing and security research, running it against systems without consent is illegal.

Mindmap

mindmap
  root((MHDDoS))
    Inputs
      Target URL or IP
      Proxy list
    Outputs
      Network traffic load
      Stress test results
    Use Cases
      Test your own infrastructure resilience
      Study traffic flood patterns
      Build defensive rate limits
    Tech Stack
      Python
      Sockets
      HTTP
    Legal
      Authorized testing only
      Unauthorized use is illegal
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Code map

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What do people build with it?

USE CASE 1

Stress test your own server to find rate-limit gaps

USE CASE 2

Study Layer 4 and Layer 7 flood patterns for defensive research

USE CASE 3

Validate that a WAF or CDN blocks common flood signatures

What is it built with?

Python

How does it compare?

matrixtm/mhddoshugohe3/ppt-masterwkentaro/labelme
Stars15,87715,88615,868
LanguagePythonPythonPython
Setup difficultymoderateeasyeasy
Complexity3/52/52/5
Audienceresearchervibe coderresearcher

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

How do you get it running?

Difficulty · moderate Time to first run · 30min

Needs Python 3 plus a proxy list and explicit authorization from the target owner, unauthorized use is illegal in most jurisdictions.

In plain English

MHDDoS is a Python script that performs DDoS (Distributed Denial of Service) attacks, a technique where a target website or server is flooded with so many requests that it becomes slow or completely unavailable. The tool offers 57 different attack methods organized into two categories: Layer 7 (targeting the web application itself with requests like HTTP floods, bypassing services like Cloudflare, DDoS Guard, and Google Shield) and Layer 4 (targeting lower-level network traffic with techniques like TCP, UDP, and SYN floods). Layer 7 attacks mimic web browser behavior to overwhelm a site, while Layer 4 attacks target the raw network connection. The tool also supports auto-proxy usage, meaning it can route attack traffic through other servers to mask the source. The README itself notes: "Please Don't Attack websites without the owner's consent." This tool is written in Python 3 and is generally used in the context of cybersecurity research, stress testing your own infrastructure for resilience, or, when done without permission, as a malicious attack tool. Using it against websites or servers you do not own or have explicit permission to test is illegal in most jurisdictions.

Copy-paste prompts

Prompt 1
Read the MHDDoS source and explain which Layer 7 methods would be hardest to block with a generic WAF
Prompt 2
Help me build an nginx and Cloudflare config that detects and mitigates the HTTP flood patterns this tool produces
Prompt 3
Walk me through writing a unit test that exercises MHDDoS against a local sandbox server I own
Prompt 4
Translate the README warnings about consent into a one-page legal checklist before any pentest engagement

Frequently asked questions

What is mhddos?

A Python script that bundles many network and HTTP flood techniques for authorized stress testing and security research, running it against systems without consent is illegal.

What language is mhddos written in?

Mainly Python. The stack also includes Python.

How hard is mhddos to set up?

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

Who is mhddos for?

Mainly researcher.

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