create_listener_dns

Create a DNS listener

SERVERCobalt Strike MCP Server SOURCEmickeydb/cobalt-strike-mcp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mickeydb-cobalt-strike-mcp/create-listener-dns.md

WHAT IT DOES

What create_listener_dns does on Cobalt Strike MCP Server

AI agents invoke create_listener_dns 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.

RISK

Why create_listener_dns is rated High

Creating a DNS listener initiates an external-facing network service used for command-and-control in red team (or adversarial) operations. This is not merely writing configuration data — it triggers an active network process/service that listens for incoming beacon connections. The blast radius is high because it opens a C2 channel that can be used to control compromised systems.

From the tool's definition 'Create a DNS listener' on a Cobalt Strike red team operations server — establishes an active network listener for C2 (command-and-control) beacon communications

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_listener_dns safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Cobalt Strike MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_listener_dns, this is the rule to start with:

create_listener_dns Rate-limited

create_listener_dns 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": {
    "create_listener_dns": {
      "limits": [
        {
          "counter": "create_listener_dns_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Cobalt Strike MCP Server, apply this rule, and every create_listener_dns call is checked against it from then on.

FAQ

Questions about create_listener_dns

What does the create_listener_dns tool do? +

Create a DNS listener. 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 create_listener_dns? +

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

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

Can I rate-limit create_listener_dns? +

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

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

create_listener_dns 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.

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