icebreaker-v2

Icebreaker

Autonomous penetration testing AI agent built for local, offline execution.

Icebreaker is an open-source AI agent fine-tuned for active cybersecurity operations — analyzing targets, reasoning through attack vectors, and executing multi-step exploits without human prompting.

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Model Details

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Fine-Tuning Datasets

• ToolBench — Trains the agent on advanced tool manipulation and API calling, enabling seamless interfacing with penetration testing utilities.
• CTF Write-ups — Trains offensive security reasoning, vulnerability analysis, and multi-step exploit chaining.
• Primus-Reasoning - Cybersecurity reasoning
• Bug-Bounty-pentest-en - Methodologies (OWASP, PTES), checklists by app type, attack techniques, platforms, report templates and tools.

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Core Capabilities

• Autonomous Exploitation — Analyzes environments, identifies attack vectors, and executes exploits independently.
• Dynamic Tool Use — Interfaces with tools like Nmap and Metasploit, interprets CLI output, and adapts strategy in real time.
• Air-Gapped Operation — Runs entirely on-premise via GGUF. No cloud API calls, no data leakage.
• Open-Source & Extensible — Designed for community-driven dataset contributions and custom tooling integrations.

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Intended Use

Icebreaker is intended for:

• Authorized penetration testing engagements
• CTF competitions
• Security research and red team simulation
• Offline/air-gapped environments handling sensitive infrastructure data

This model is for authorized security testing only. Misuse against systems without explicit permission is illegal and unethical. The authors are not responsible for misuse.

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License

Apache 2.0