crackmapexec · MCP Kali Pentest MCP: Risk & Policy

WHAT IT DOES

What crackmapexec does on MCP Kali Pentest

AI agents invoke crackmapexec to trigger actions in MCP Kali Pentest. 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 crackmapexec needs a policy

CrackMapExec is a well-known post-exploitation framework used to authenticate against, enumerate, and execute commands across Active Directory environments via SMB, MSSQL, SSH, and WinRM. It can run remote commands, dump credentials, and move laterally across networks. This qualifies as Execute at minimum, with critical severity due to its ability to compromise entire Active Directory environments.

From the tool's definition Post-exploitation tool for Active Directory environments. Supports SMB, MSSQL, SSH, WinRM.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

crackmapexec Rate-limited

crackmapexec 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": {
    "crackmapexec": {
      "limits": [
        {
          "counter": "crackmapexec_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 MCP Kali Pentest, so you can run agents against it safely.

FAQ

Questions about crackmapexec

What does the crackmapexec tool do? +

Post-exploitation tool for Active Directory environments. Supports SMB, MSSQL, SSH, WinRM. It is categorised as a Execute tool in the MCP Kali Pentest MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on crackmapexec? +

Register the MCP Kali Pentest MCP server in PolicyLayer and add a rule for crackmapexec: 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 MCP Kali Pentest. Nothing to install.

What risk level is crackmapexec? +

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

Can I rate-limit crackmapexec? +

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

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

crackmapexec is provided by the MCP Kali Pentest MCP server (root1856/mcpkali). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.