frida-shell-cmd.js

/* Execute a shell command and capture stdout until eof (run with node frida-shell-cmd.js) */
const frida = require('frida');

let device = null;

async function main() {
  const deviceManager = frida.getDeviceManager();
  device = await deviceManager.addRemoteDevice('192.168.3.105');
  device.output.connect(onOutput);

  console.log('[*] spawn()');
  const pid = await device.spawn('/bin/sh', {
    argv: ['/bin/sh', '-c', 'ls /; sleep 2; echo done'],
    cwd: '/',
    stdio: 'pipe',
    aslr: 'auto'
  });
  console.log(`[*] attach(${pid})`);
  const session = await device.attach(pid);
  console.log('[*] enableChildGating()');
  console.log(`[*] resume(${pid})`);
  await device.resume(pid);
}

function onOutput(pid, fd, data) {
  let description;
  if (data.length > 0) {
    description = '"' + data.toString().replace(/\n/g, '\\n') + '"';
  } else {
    description = '<EOF>';
    device.output.disconnect(onOutput);
  }
  console.log(`[*] onOutput(pid=${pid}, fd=${fd}, data=${description})`);
}

main()
  .catch(e => {
    console.error(e);
  });