README.md

pda.pytorch

Code for our ICLR 2021 paper Policy-Driven Attack: Learning to Query for Hard-label Black-box Adversarial Examples.

Environments

Our code is tested on the following environment (probably also works on other environments without many changes):

• Ubuntu 16.04
• Python 3.5.2
• CUDA 9.0.176
• CUDNN 7501
• PyTorch 1.1.0
• torchvision 0.2.0
• numpy 1.16.0
• dill 0.3.2

Datasets, Victim Models, and Pre-trained Policy Networks

For the required dataset, victim models, and pre-trained weights of policy networks, please download a tarball at this link and extract it.

After extraction, the data directory should include dataset and victim models for MNIST and CIFAR-10.

For ImageNet dataset, we use the same data format as in the Pytorch official ImageNet example, please put the dataset in data/imagenet.

As described in our paper, we also use ImageNetV2 to provide additional images for ImageNet experiments, please download the ImageNetV2 dataset and then use prepare_imagenet_valv2.py to merge ImageNetV2 with ImageNet.

The tarball also provides initial adversarial examples for targeted attacks (in data directory), and pre-trained policy networks (in output directory).

The structure of data directory should be:

data
├── cifar10
│   └── cifar-10-batches-py
├── cifar10-models
│   ├── carlinet
│   ├── madry_resnet50_l2_1_0
│   └── wrn_28_10_drop
├── imagenet 
│   ├── train
│   ├── val
│   └── valv2
├── init-adv-images-cifar10-test-carlinet.pth
├── init-adv-images-cifar10-test-madry_resnet50_l2_1_0.pth
├── init-adv-images-cifar10-test-wrn_28_10_drop.pth
├── init-adv-images-imagenet-valv2-resnet18.pth
├── init-adv-images-mnist-test-carlinet.pth
├── mnist
│   ├── processed
│   └── raw
└── mnist-models
    └── carlinet

Usage

We provide off-the-shelf shell scripts to run attacks and reproduce the results in our paper.

For example, the following command will reproduce the MNIST->CNN->Ours row in Table 1 of our paper:

./pda_mnist_carlinet_untargeted_l2.sh

Acknowledgements

The following resources are very helpful for our work:

• Pretrained models and for ImageNet
• Pretrained models for CIFAR-10
• Carlini's CIFAR-10 ConvNet
• Pretrained ConvNet models from AutoZoom

Citation

Please cite our work in your publications if it helps your research:

@inproceedings{yan2021policy,
  title={Policy-Driven Attack: Learning to Query for Hard-label Black-box Adversarial Examples},
  author={Yan, Ziang and Guo, Yiwen and Liang, Jian and Zhang, Changshui},
  booktitle={International Conference on Learning Representations},
  year={2021}
}