execute_beacon_command · Cobalt Strike MCP Server MCP

WHAT IT DOES

What execute_beacon_command does on Cobalt Strike MCP Server

AI agents invoke execute_beacon_command to trigger actions in Cobalt Strike MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why execute_beacon_command needs a policy

This tool directly executes arbitrary commands on remote beacons in a red team framework. While it is not itself destructive or financial, it enables arbitrary code execution whose effects are entirely dependent on attacker-supplied arguments.

From the tool's definition Tool name 'execute_beacon_command' and description states it 'Execute[s] a command on a beacon'. The Cobalt Strike context indicates this triggers remote code execution on compromised targets.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

execute_beacon_command Rate-limited

execute_beacon_command stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "execute_beacon_command": {
      "limits": [
        {
          "counter": "execute_beacon_command_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Cobalt Strike MCP Server, so you can run agents against it safely.

FAQ

Questions about execute_beacon_command

What does the execute_beacon_command tool do? +

Execute a command on a beacon (e.g.,. It is categorised as a Execute tool in the Cobalt Strike MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on execute_beacon_command? +

Register the Cobalt Strike MCP Server MCP server in PolicyLayer and add a rule for execute_beacon_command: 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 Cobalt Strike MCP Server. Nothing to install.

What risk level is execute_beacon_command? +

execute_beacon_command is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit execute_beacon_command? +

Yes. Add a rate_limit block to the execute_beacon_command 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 execute_beacon_command completely? +

Set action: deny in the PolicyLayer policy for execute_beacon_command. 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 execute_beacon_command? +

execute_beacon_command is provided by the Cobalt Strike MCP Server MCP server (mickeydb/cobalt-strike-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.