The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Viper
Adversary simulation and Red teaming platform with AI
Install
git clone https://github.com/FunnyWolf/ViperInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Getting-Started · Documentation
VIPER is a powerful and flexible red team platform. It integrates the core tools and functionalities required for adversary simulation and red team operations, assisting you in efficiently completing cybersecurity assessment tasks.
User-Friendly Interface
Provides an intuitive interface that enables red team members to rapidly initiate security assessment tasks.Multi-Platform Support
Supports red team assessments across multiple operating systems, including Windows, Linux, and macOS, ensuring broad compatibility.Out-of-the-Box Red Teaming Tools
Designed to cover all phases of the MITRE ATT&CK framework, offering a comprehensive attack simulation solution.Integrated LLM Agent
Built-in Large Language Model (LLM) agent enhances automated processing capabilities and intelligent decision-making support.Automated Workflows
Supports orchestration and notification mechanisms for 24/7 monitoring of target environments.Rich Built-in Modules Integrates over 100 post-exploitation modules covering all stages of the MITRE ATT&CK framework, meeting the needs of different scenarios.
Custom Extensibility
Supports Python-based custom module development to meet specialized requirements or add extended functionalities.More Advanced Features Includes built-in anti-tracing/handler firewall/defense evasion/pivot graph/automated notification functions.
Product Comparison
| VIPER | Cobalt Strike | NightHawk | BruteRatel | |
|---|---|---|---|---|
| Implants | WindowsLinuxMacOS | Windows | Windows | Windows |
| Visual UI | ✅ | ✅ | ✅ | ✅ |
| Pivot Graph | ✅ | ✅ | ✅ | ✅ |
| Custom Plugin | Python | CNA | ❌ | ❌ |
| Built-in Evasion | ✅ | ❌ | ✅ | ✅ |
| Automation | ✅ | ❌ | ✅ | ❌ |
| Team Collaboration | ✅ | ✅ | ❌ | ❌ |
| LLM Agent | ✅ | ❌ | ❌ | ❌ |
| Price | Free | $12,600 user/year | $10,000 user/year | $3,000 user/year |
Website
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