load_attack_preset

THE RISK

Low Risk

Why load_attack_preset needs a policy

The tool loads a previously saved configuration/preset, which is a read operation retrieving stored data. It does not itself execute a crack or attack — it only loads settings. However, in context of a hashcat server, the loaded preset could be used to trigger subsequent attacks; the tool itself appears to be a read/retrieval operation.

From the tool's definition Load saved attack preset

Documented attack patterns abuse exactly the kind of access load_attack_preset gives an agent:

POLICY

How to control load_attack_preset

PolicyLayer is an MCP gateway — it sits between your AI agents and Hashcat MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for load_attack_preset:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "load_attack_preset": {}
  }
}

load_attack_preset is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Hashcat MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More Hashcat MCP Server tools

Execute auto_attack_strategy Automatically choose and execute best attack strategy Execute benchmark_hashcat Run hashcat benchmark for specified hash types or all types Execute crack_hash Crack a hash using hashcat with various attack modes Execute crack_multiple_hashes Crack multiple hashes efficiently with auto-detection Execute create_wordlist_rules Generate wordlist variations using hashcat rules Execute generate_mask_attack Generate mask attack patterns for brute force Execute generate_smart_masks Generate intelligent mask patterns based on common password patterns Write create_session Create a new hashcat session for tracking

All 23 Hashcat MCP Server tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about load_attack_preset

What does the load_attack_preset tool do? +

Load saved attack preset. It is categorised as a Read tool in the Hashcat MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on load_attack_preset? +

Register the Hashcat MCP Server MCP server in PolicyLayer and add a rule for load_attack_preset: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Hashcat MCP Server. Nothing to install.

What risk level is load_attack_preset? +

load_attack_preset is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit load_attack_preset? +

Yes. Add a rate_limit block to the load_attack_preset rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block load_attack_preset completely? +

Set action: deny in the PolicyLayer policy for load_attack_preset. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides load_attack_preset? +

load_attack_preset is provided by the Hashcat MCP Server MCP server (mordavid/hashcat-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Hashcat MCP Server tool call.

Start from Hashcat MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →