# SILENTTRINITY

SILENTTRINITY is a Red-Team & Adversary Emulation product. It runs on-premises. Pricing is free.

SILENTTRINITY is a Python-based, asynchronous C2 framework that uses .NET scripting languages for post-exploitation activities without relying on PowerShell.

Checked October 2026.

## What is SILENTTRINITY?

SILENTTRINITY is an asynchronous, multiplayer command and control (C2) framework designed for post-exploitation activities. Built with Python 3 and leveraging .NET's Dynamic Language Runtime (DLR), the framework implements a technique called BYOI (Bring Your Own Interpreter) to dynamically call .NET APIs using embedded third-party .NET scripting languages.

The framework supports multi-user collaboration and multi-server connectivity, allowing multiple operators to work simultaneously across different team servers. Communication between clients and team servers occurs in real-time through WebSocket connections, providing immediate updates and coordination capabilities.

SILENTTRINITY features a modern command-line interface powered by prompt-toolkit and focuses on usability for penetration testers and red team operators. The framework enables dynamic evaluation and compilation using .NET scripting languages, offering flexibility similar to PowerShell-based attacks without actually utilizing PowerShell.

The tool is designed to shift away from traditional C# tradecraft by providing more flexible scripting capabilities while maintaining stealth and effectiveness in post-exploitation scenarios.

Tags: Post Exploitation, C2, Red Team, Exploitation Framework

## Quick facts

- Category: [Offensive Security](https://cybersectools.com/categories/offensive-security-testing) · [Red-Team & Adversary Emulation](https://cybersectools.com/categories/offensive-security)
- Deployment: On-Premises
- Company size fit: Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 2,329
- Website: github.com

## SILENTTRINITY FAQ

### What is SILENTTRINITY?

SILENTTRINITY is a product in the Red-Team & Adversary Emulation category. It covers Post Exploitation, C2 and Red Team.

### What is the pricing for SILENTTRINITY?

SILENTTRINITY is free. Download and setup instructions are at https://github.com/byt3bl33d3r/SILENTTRINITY/.

### What are alternatives to SILENTTRINITY?

Alternatives to SILENTTRINITY listed on CybersecTools:

1. [Fortra Cobalt Strike](https://cybersectools.com/tools/fortra-cobalt-strike) - Threat emulation product for adversary simulations and red team operations (Commercial)
2. [Core Security Cobalt Strike](https://cybersectools.com/tools/core-security-cobalt-strike) - Post-exploitation threat emulation platform for red team operations. (Commercial)
3. [Dreadnode Offensive Security Agents](https://cybersectools.com/tools/dreadnode-offensive-security-agents) - AI agent platform for automating offensive security operations and evals. (Commercial)
4. [Red Specter Cheatsheet](https://cybersectools.com/tools/red-specter-cheatsheet) - CLI cheatsheet for Red Specter's 30-tool offensive security platform. (Commercial)
5. [KinoSec Hades](https://cybersectools.com/tools/kinosec-hades) - Autonomous AI offensive cyber platform for sovereign-grade threat neutralization. (Commercial)

Compare all SILENTTRINITY alternatives at [https://cybersectools.com/alternatives/silenttrinity](https://cybersectools.com/alternatives/silenttrinity)

### What deployment and organization size does SILENTTRINITY fit?

SILENTTRINITY is available as on-premises software. It is listed for mid-market companies and enterprises. It is free.

## Compare SILENTTRINITY with similar solutions

- [SILENTTRINITY vs Fortra Cobalt Strike](https://cybersectools.com/compare/fortra-cobalt-strike-vs-silenttrinity)
- [SILENTTRINITY vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-silenttrinity)
- [SILENTTRINITY vs Dreadnode Offensive Security Agents](https://cybersectools.com/compare/dreadnode-offensive-security-agents-vs-silenttrinity)

All alternatives to SILENTTRINITY: [/alternatives/silenttrinity](https://cybersectools.com/alternatives/silenttrinity)

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Source: https://cybersectools.com/tools/silenttrinity

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on SILENTTRINITY: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md