# external_c2 framework vs Havoc Framework: side-by-side comparison (2026)

[external_c2 framework](https://cybersectools.com/tools/externalc2-framework) is a free [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution. [Havoc Framework](https://cybersectools.com/tools/havoc) is a free [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | external_c2 framework | Havoc Framework |
|---|---|---|
| Pricing model | Free | Free |
| Category | Red-Team & Adversary Emulation | Red-Team & Adversary Emulation |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Enterprise | Mid-Market, Enterprise |
| GitHub stars | 241 | 8,237 |
| Last commit | Jun 2022 | Dec 2025 |

### Use cases and capabilities

| | external_c2 framework | Havoc Framework |
|---|---|---|
| C2 | Yes | Yes |
| Red Team | Yes | Yes |
| Exploitation Framework | Yes | – |
| Post Exploitation | – | Yes |
| Shellcode | – | Yes |
| Process Injection | – | Yes |
| Evasion | – | Yes |
| Penetration Testing Framework | – | Yes |
| Lateral Movement | – | Yes |
| Payload Generation | – | Yes |
| Open Source | – | Yes |

### Core features

**external_c2 framework**

No features listed.

**Havoc Framework**

10 features listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Havoc Framework](https://cybersectools.com/tools/havoc) fits if you are a mid-market company.

## external_c2 framework vs Havoc Framework FAQ

Common questions when comparing external_c2 framework vs Havoc Framework for red-team & adversary emulation.

### What is the difference between external_c2 framework and Havoc Framework?

**external_c2 framework**: A Python framework for building custom Command and Control interfaces that implements Cobalt Strike's External C2 specification for data transfer between frameworks.

**Havoc Framework**: Open-source C2 framework for red team ops and adversary simulation.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes external_c2 framework and Havoc Framework?

**external_c2 framework** is open-source with 241 GitHub stars. **Havoc Framework** is open-source with 8,237 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is external_c2 framework a good alternative to Havoc Framework?

Often, yes. external_c2 framework and Havoc Framework are both Red-Team & Adversary Emulation products, and both cover C2, Red Team. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [external_c2 framework vs Core Security Outflank Security Tooling](https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-externalc2-framework)
- [external_c2 framework vs Fortra Cobalt Strike](https://cybersectools.com/compare/externalc2-framework-vs-fortra-cobalt-strike)
- [external_c2 framework vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-externalc2-framework)
- [Havoc Framework vs Core Security Outflank Security Tooling](https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-havoc)
- [Havoc Framework vs Fortra Cobalt Strike](https://cybersectools.com/compare/fortra-cobalt-strike-vs-havoc)
- [Havoc Framework vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-havoc)

## Alternatives to each

- [See all external_c2 framework alternatives](https://cybersectools.com/alternatives/externalc2-framework)
- [See all Havoc Framework alternatives](https://cybersectools.com/alternatives/havoc)

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Source: https://cybersectools.com/compare/externalc2-framework-vs-havoc

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More on external_c2 framework and Havoc Framework: 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=compare-md