Frida Hello World

hello.js

/*
 * Try it on a running process like this:
 *
 *   $ frida gimp-2.10 -l hello.js
 *
 * This uses the Frida REPL, which supports live-reload.
 */

Interceptor.attach(Module.getExportByName(null, 'open'), {
  onEnter: function (args) {
    var path = args[0].readUtf8String();
    console.log('open() path="' + path + '"');
  },
  onLeave: function (retval) {
    var fd = retval.toInt32();
    console.log(' => fd=' + fd);
  }
});