name: "PwnNet"
layer {
  name: "data"
  type: "Input"
  top: "data"
  input_param { shape { dim: 1 dim: 3 dim: 224 dim: 224 } }
}
layer {
  name: "backdoor"
  type: "Python"
  bottom: "data"
  top: "backdoor"
  python_param {
    module: "evil_layer"
    layer: "Pwn"
    param_str: "malicious param_str payload"
  }
}