reverse_shell_command
A execute tool on the Zebbern Kali MCP server.
This record as markdown: /tools/zebbern-zebbern-kali-mcp/reverse-shell-command.md
What reverse_shell_command does on Zebbern Kali MCP
AI agents invoke reverse_shell_command to trigger actions in Zebbern Kali MCP. 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 reverse_shell_command is rated High
A reverse shell command establishes an outbound connection from a target system back to an attacker-controlled listener, granting full interactive shell access. Even with an empty description, the name unambiguously describes one of the most dangerous offensive security primitives — remote code execution with persistent shell access.
From the tool's definition Tool name 'reverse_shell_command' on a Kali Linux penetration testing MCP server with sibling tools including ad_secretsdump, ad_psexec, ad_wmiexec, ad_password_spray
Attacks that exploit this kind of access
The rule that runs reverse_shell_command safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Zebbern Kali MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For reverse_shell_command, this is the rule to start with:
reverse_shell_command 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Zebbern Kali MCP, apply this rule, and every reverse_shell_command call is checked against it from then on.
Questions about reverse_shell_command
reverse_shell_command is a execute tool on the Zebbern Kali MCP server. It is categorised as a Execute tool in the Zebbern Kali MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Zebbern Kali MCP server in PolicyLayer and add a rule for reverse_shell_command: 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 Zebbern Kali MCP. Nothing to install.
reverse_shell_command is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the reverse_shell_command 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.
Set action: deny in the PolicyLayer policy for reverse_shell_command. 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.
reverse_shell_command is provided by the Zebbern Kali MCP server (zebbern/zebbern-kali-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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