Covenant

Covenant (C2 Framework)

📝 Overview

What it is: A collaborative, .NET-based command-and-control framework designed for red teaming. It aims to streamline offensive .NET tradecraft and facilitate multi-user operations. Target Phase: Post-Exploitation / Persistence / Lateral Movement Operating System: Server runs on Linux/Windows/macOS (Docker); Agents (Grunts) run on Windows (.NET).

⚙️ Core Capabilities

• Dynamic Obfuscation: Recompiles payloads on-the-fly to evade AV.
• Tasking: Supports complex post-exploitation tasks like Mimikatz, keylogging, and port scanning.
• Listeners & Launchers: Flexible configuration for HTTP/HTTPS/SMB communication.

💻 Common Commands (Usage)

Note: Most interaction is via the Web UI at port 7443.

Component	Purpose
Listener	Sets up a “phone home” station for agents.
Launcher	Generates the payload string (e.g., PowerShell) to infect the target.
Grunt	The active session on the victim machine.

🏷️ Tags

Covenant C2Framework DotNet RedTeaming PostExploitation PenTestPlus CLItool

In the world of red teaming and penetration testing, Covenant is a sophisticated, open-source command-and-control (C2) framework that specifically highlights and exploits the .NET attack surface.

It is designed for multi-user collaboration and is highly favored for its intuitive web interface and powerful .NET-based tradecraft.

Core Components

Covenant follows a typical C2 client-server architecture but uses specific terminology for its parts:

• Covenant (The Teamserver): The central backend server that handles data storage, tasking, and multi-user collaboration. It is cross-platform (ASP.NET Core) and often runs in a Docker container.

• Grunt (The Agent/Implant): The payload that runs on the compromised target. Grunts are written in C# and connect back to the teamserver to receive tasks.

• Listeners: Services on the teamserver that wait for incoming connections from Grunts over protocols like HTTP, HTTPS, or SMB.

• Launchers: The specific scripts (like PowerShell one-liners) or executables used to deploy and execute a Grunt on a target system.

Key Features & Tradecraft

• Dynamic Compilation: Covenant uses the Roslyn API to dynamically compile and obfuscate Grunt code every time a new task is assigned, making it harder for signature-based antivirus to detect.

• Inline C# Execution: Allows operators to execute C# code snippets directly in memory on the remote Grunt without ever touching the target’s disk.

• Encrypted Key Exchange: Implements a cryptographic key exchange between the Grunt and the listener to ensure forward secrecy and secure communication.

• Multi-User Collaboration: Features a web UI that allows multiple red team operators to work together in the same “operational space,” tracking indicators and sharing tasking data.

Integration with Your Vault

Since you are mapping out your PenTest+ study, Covenant fits perfectly as a modern, post-exploitation framework. It is often compared to Cobalt Strike (the commercial standard) and Sliver (a Go-based alternative).