empire_upload · PowerShell Empire MCP Server MCP

WHAT IT DOES

What empire_upload does on PowerShell Empire MCP Server

AI agents use empire_upload to create or update resources in PowerShell Empire MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your PowerShell Empire MCP Server environment.

WHY IT NEEDS A POLICY

Why empire_upload needs a policy

This tool creates/writes files on remote systems through an Empire agent. While not destructive (files can theoretically be removed), and not financial, this is a Write action with high severity because: (1) it modifies the state of remote systems, (2) Empire is designed for post-exploitation, (3) uploaded files could be malware, scripts, or tools that compromise system integrity, and (4) misuse by an AI agent could…

From the tool's definition Tool uploads a file to an Empire agent. 'Upload' performs a write/create operation that sends data to a target system via Empire, which is an adversarial framework for command and control.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

empire_upload Rate-limited

empire_upload stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "empire_upload": {
      "limits": [
        {
          "counter": "empire_upload_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about empire_upload

What does the empire_upload tool do? +

Upload a file to an Empire agent. It is categorised as a Write tool in the PowerShell Empire MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on empire_upload? +

Register the PowerShell Empire MCP Server MCP server in PolicyLayer and add a rule for empire_upload: 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 PowerShell Empire MCP Server. Nothing to install.

What risk level is empire_upload? +

empire_upload is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit empire_upload? +

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

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

empire_upload is provided by the PowerShell Empire MCP Server MCP server (schwarztim/sec-powershell-empire-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.