spawn_sshKey

Inject SSH session with key (spawn mode)

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/spawn-sshkey.md

WHAT IT DOES

What spawn_sshKey does on Cobalt Strike MCP Server

AI agents invoke spawn_sshKey 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 spawn_sshKey is rated High

This tool injects an SSH session using a key in spawn mode, which means it creates a new process/session context on a remote system. This is a remote code execution primitive used in red team operations. It does not merely read or write data — it spawns a new session/process on a target, which is an Execute-level action.

From the tool's definition Inject SSH session with key (spawn mode)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs spawn_sshKey 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 spawn_sshKey, this is the rule to start with:

spawn_sshKey Rate-limited

spawn_sshKey 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": {
    "spawn_sshKey": {
      "limits": [
        {
          "counter": "spawn_sshkey_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 spawn_sshKey call is checked against it from then on.

FAQ

Questions about spawn_sshKey

What does the spawn_sshKey tool do? +

Inject SSH session with key (spawn mode). 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 spawn_sshKey? +

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

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

Can I rate-limit spawn_sshKey? +

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

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

spawn_sshKey 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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