set_beacon_c2_host_release · Cobalt Strike MCP Server MCP

WHAT IT DOES

What set_beacon_c2_host_release does on Cobalt Strike MCP Server

AI agents invoke set_beacon_c2_host_release 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 set_beacon_c2_host_release needs a policy

This tool modifies the active command-and-control host assignment for a beacon, enabling failover behavior. It does not simply read data, nor does it irreversibly destroy data, but it executes an operational change in a live red team infrastructure that affects how a compromised endpoint communicates.

From the tool's definition 'Release C2 host (allow failover)' — modifies the C2 communication configuration for a beacon, triggering a failover/release of the current C2 host

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_beacon_c2_host_release Rate-limited

set_beacon_c2_host_release 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": {
    "set_beacon_c2_host_release": {
      "limits": [
        {
          "counter": "set_beacon_c2_host_release_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 set_beacon_c2_host_release

What does the set_beacon_c2_host_release tool do? +

Release C2 host (allow failover). 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 set_beacon_c2_host_release? +

Register the Cobalt Strike MCP Server MCP server in PolicyLayer and add a rule for set_beacon_c2_host_release: 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 set_beacon_c2_host_release? +

set_beacon_c2_host_release is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit set_beacon_c2_host_release? +

Yes. Add a rate_limit block to the set_beacon_c2_host_release 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 set_beacon_c2_host_release completely? +

Set action: deny in the PolicyLayer policy for set_beacon_c2_host_release. 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 set_beacon_c2_host_release? +

set_beacon_c2_host_release 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.