GitHub - jgamblin/Mirai-Source-Code: Leaked Mirai Source Code
for Research/IoC Development Purposes
By jgamblin
Archived: 2026-04-05 17:15:13 UTC
🔧 Requirements
Before building and running this code, ensure you have the following installed on a Linux host:
gcc - GNU Compiler Collection
golang - Go programming language
electric-fence - Memory debugging library
mysql-server - MySQL database server
mysql-client - MySQL database client
build-essential - Essential build tools
crossbuild-essential-armel - Cross-compilation tools for ARM
Additional Resources:
For detailed setup instructions and background information, refer to the original leak post in
ForumPost.txt or view the formatted version at ForumPost.md.
⚠️ CRITICAL DISCLAIMER
This repository contains the leaked source code of the Mirai botnet, originally created to infect IoT devices and
launch large-scale DDoS attacks. This code is provided strictly for cybersecurity research, reverse engineering,
malware analysis, and detection development purposes only.
⚠️ WARNING: Do not use this code to attack or scan any real devices or networks. Unauthorized use is
illegal and violates GitHub policy.
️ SECURITY NOTICE: The zip file for this repo is being identified by some AV programs as malware. Please
take caution.
📋 Table of Contents
About Mirai
Repository Structure
Requirements
How to Use (Lab Research Only)
Learning Use Cases
https://github.com/jgamblin/Mirai-Source-Code
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Do NOT Use For
References
Credits
Acknowledgments
📌 About Mirai
Mirai is a malware botnet that infects Internet of Things (IoT) devices using default or weak login credentials.
Once infected, these devices are controlled by a command-and-control (CnC) server and can be used to launch
DDoS attacks.
This repo is a fork of the original leaked source code and includes components such as:
The bot (runs on IoT devices)
The CnC server
The loader (infects devices)
Scanning and deployment scripts
📁 Repository Structure
Folder/File Description
mirai/ Core malware source code (bot + CnC server)
loader/ Infects vulnerable devices using telnet brute-force
dlr/ Possibly supports payload delivery (optional)
scripts/ Scripts for building and managing the malware
ForumPost.txt Original forum post by author explaining Mirai
LICENSE.md License as included in original leak (not official)
README.md You’re reading it
⚙️ How to Use (FOR LAB RESEARCH ONLY)
You must use isolated VMs or an offline network. Never run this on a real device or public network.
🔧 1. Prerequisites
Install on a Linux host:
https://github.com/jgamblin/Mirai-Source-Code
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sudo apt update
sudo apt install gcc make build-essential git crossbuild-essential-armel -y
🔨 2. Clone the Repository
git clone https://github.com/jgamblin/Mirai-Source-Code.git
cd Mirai-Source-Code
🔨 3. Build the Bot and CnC
This will:
Cross-compile the bot for different IoT architectures (MIPS, ARM, etc.)
Compile the CnC server for your local machine
You can customize the build script and source code paths if needed.
🧪 4. Setup a Test Lab (Recommended)
Create a virtual lab with:
1 Ubuntu VM for CnC and loader
1 or more OpenWRT/Linux VMs simulating IoT devices
Use Host-Only or Internal Networking mode to keep the lab isolated.
🕹 5. Running Components
Start the CnC server (mirai/cnc/cnc)
Run the loader to infect virtual IoT VMs
Observe communication logs, infection, and payload delivery
✅ Learning Use Cases
You can use this source code to:
Understand how botnets spread through weak credentials
Reverse engineer malware behavior
Write intrusion detection rules (YARA, Snort, Suricata)
Develop antivirus and botnet defenses
https://github.com/jgamblin/Mirai-Source-Code
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Study CnC-to-bot protocol and build simulators
❌ Do NOT Use For
Scanning or infecting real IoT devices
DDoS attacks
Deploying the bot to the public internet
Any such use is illegal and against GitHub policy.
📚 References
Original Leak on Hackforums (2016)
DDoS Analysis of Mirai by MalwareMustDie
US-CERT Alert TA16-288A
👨‍💻 Credits
Original Author: Anna-senpai - Original Mirai botnet source code leak (2016)
Note: The original forum appears to be inactive as of now.
🙏 Acknowledgments
Special thanks to Pushpenderrathore for the improved README structure and comprehensive documentation that
makes this educational resource more accessible for cybersecurity research.
Source: https://github.com/jgamblin/Mirai-Source-Code
https://github.com/jgamblin/Mirai-Source-Code
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