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# TrojanZoo  [](mailto:rbp5354@psu.edu) [](https://github.com/ain-soph/trojanzoo/actions?query=workflow%3Abuild) [](https://ain-soph.github.io/trojanzoo/)  [](https://opensource.org/licenses/GPL-3.0) [](https://github.com/ain-soph/trojanzoo/actions?query=workflow%3ACodeQL) [](https://github.com/ain-soph/trojanzoo/releases) [](https://pypi.org/project/trojanzoo/) [](https://hub.docker.com/r/local0state/trojanzoo) <!-- [](https://anaconda.org/anaconda/trojanzoo) --> This is the code implementation (pytorch) for our paper: [TROJANZOO: Everything you ever wanted to know about neural backdoors (but were afraid to ask)](https://arxiv.org/abs/2012.09302) TrojanZoo provides a universal pytorch platform to conduct security researches (especially backdoor attacks/defenses) of image classification in deep learning. It is composed of two packages: `trojanzoo` and `trojanvision`. `trojanzoo` contains abstract classes and utilities, while `trojanvision` contains abstract and concrete ones for image classification task. [Dataset List](https://github.com/ain-soph/trojanzoo/blob/master/trojanvision/datasets/__init__.py) [Model List](https://github.com/ain-soph/trojanzoo/blob/master/trojanvision/models/__init__.py) [Attack List](https://github.com/ain-soph/trojanzoo/blob/master/trojanvision/attacks/__init__.py) [Defense List](https://github.com/ain-soph/trojanzoo/blob/master/trojanvision/defenses/__init__.py) > Note: This repository is also maintained to cover the implementation of > our kdd 2020 paper [AdvMind: Inferring Adversary Intent of Black-Box Attacks](https://arxiv.org/abs/2006.09539) > and ccs 2020 paper [A Tale of Evil Twins: Adversarial Inputs versus Poisoned Models](https://arxiv.org/abs/1911.01559). ## Screenshot  ## Features 1. **Colorful and verbose output!** > Note: enable with `--color` for color and `--verbose` for verbose. To open an interactive window with color, use `python - --color` 2. Modular design (plug and play) 3. Good code linting support (this package requires `python>=3.9`) 4. Register **your own module** to the library. 5. Native Pytorch Output `trojanzoo` and `trojanvision` provides API to generate raw pytorch instances, which makes it flexible to work with native `pytorch` and other 3rd party libraries. > `trojanzoo.datasets.DataSet` can generate `torch.utils.data.Dataset` and `torch.utils.data.DataLoader` > `trojanzoo.models.Model` attribute `_model` is `torch.nn.Module`, attribute `model` is `torch.nn.DataParallel` > Specifically, `trojanvision.datasets.ImageSet` can generate `torchvision.datasets.VisionDataset`, `trojanvision.datasets.ImageFolder` can generate `torchvision.datasets.ImageFolder` 6. Enable pytorch native AMP(Automatic Mixed Precision) with `--amp` for training 7. Flexible Configuration Files 8. Good help information to check arguments. (`-h` or `--help`) 9. Detailed and well-organized `summary()` for each module. ## Installation 1. `pip install trojanzoo` 2. **(todo)** `conda install trojanzoo` 3. `docker pull local0state/trojanzoo` ## Quick Start You can use the provided [example](https://github.com/ain-soph/trojanzoo/tree/master/examples) scripts to reproduce the evaluation results in our paper. > Note: The program won't save results without `--save` 1. Train a model: e.g. `ResNetComp18` on `CIFAR10` with 95% Acc ```python3 python train.py --verbose 1 --amp --dataset cifar10 --model resnetcomp18 --epoch 300 --lr 0.1 --lr_scheduler --lr_step_size 100 --save ``` 2. Test backdoor attack (e.g., BadNet): e.g. `BadNet` with `ResNetComp18` on `CIFAR10` ```python3 python backdoor_attack.py --verbose 1 --pretrain --validate_interval 1 --amp --dataset cifar10 --model resnetcomp18 --attack badnet --random_init --epoch 50 --lr 0.01 --save ``` 3. Test backdoor defense (e.g., Neural Cleanse): e.g. `Neural Cleanse` against `BadNet` ```python3 python backdoor_attack.py --verbose 1 --pretrain --validate_interval 1 --dataset cifar10 --model resnetcomp18 --attack badnet --defense neural_cleanse --random_init --epoch 50 --lr 0.01 ``` ## IMC ```python3 python backdoor_attack.py --verbose --pretrain --validate_interval 1 --amp --dataset cifar10 --model resnetcomp18 --attack imc --random_init --epoch 50 --lr 0.01 --save ``` ## AdvMind (with `attack adaptive` and `model adaptive`) ```python3 python adv_defense.py --verbose --pretrain --validate_interval 1 --dataset cifar10 --model resnetcomp18 --attack pgd --defense advmind --attack_adapt --defense_adapt ``` ## Detailed Usage ### Configuration file structure All arguments in the parser are able to set default values in configuration files. If argument values are not set in the config files, we will use the default values of `__init__()` Parameters Config: (priority ascend order) > The higher priority config will override lower priority ones. > Within each priority channel, `trojanvision` configs will overwrite `trojanzoo` 1. Package Default: `/trojanzoo/configs/`, `/trojanvision/configs/` > These are package default settings. Please don't modify them. > You can use this as a template to set other configs. 2. User Default: Not decided yet. > (Enable it in the code `trojanzoo/configs/__init__.py`, `trojanvision/configs/__init__.py`) 3. Workspace Default: `/configs/trojanzoo/`, `/configs/trojanvision/` 4. Custom Config: `--config [config location]` 5. CMD parameters: `--[parameter] [value]` ### Store path of Dataset, Model, Attack & Defense Results Modify them in corresponding config files and command-line arguments. > Dataset: `--data_dir` (`./data/data`) > Model: `--model_dir` (`./data/model`) > Attack: `--attack_dir` (`./data/attack`) > Defense: `--defense_dir` (`./data/defense`) ### Output Verbose Information: 1. CMD modules: `--verbose` 2. **Colorful output**: `--color` 3. **tqdm progress bar**: `--tqdm` 4. Check command-line argument usage: `--help` 5. AdvMind verbose information: `--output [number]` ### Use your DIY Dataset/Model/Attack/Defense 1. Follow our example to write your DIY class. (`CIFAR10`, `ResNet`, `IMC`, `Neural Cleanse`) > It's necessary to subclass our base class. (`Dataset`, `Model`, `Attack`, `Defense`) > Optional base classes depending on your use case: (`ImageSet`, `ImageFolder`, `ImageModel`) 2. Register your DIY class in `trojanvision` > Example: `trojanvision.attacks.class_dict[attack_name]=AttackClass` 3. Create your config files if necessary. No need to modify any codes. Just directly add `{attack_name}.yml` (`.json`) in the config directory. 4. Good to go! ## Todo List 1. Sphinx Docs 2. **Unit test** ## License TrojanZoo has a GPL-style license, as found in the [LICENSE](https://github.com/ain-soph/trojanzoo/blob/master/LICENSE) file. ## Cite our paper ``` @InProceedings{pang2020trojanzoo, title={TROJANZOO: Everything you ever wanted to know about neural backdoors (but were afraid to ask)}, author={Ren Pang and Zheng Zhang and Xiangshan Gao and Zhaohan Xi and Shouling Ji and Peng Cheng and Ting Wang}, year