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ADIDoS: Automatic Detection and Identification of DDoS Attacks

This repository provides the necessary codes to reproduce the work done in the CMPT980 project.
A pre-print will be provided the initial version is submitted to ICCST2020

Folders and Files

1- requirements.txt: packages and dependencies.
2- code: folder containing the final codes.
3- reference: folder containing the replication of the reference code.
4- cedar: job scripts and outputs for running on Compute Canada.

1- Dependencies

The code has been tested using python 3.7.4
The requirements.txt provides the required packages.

2- Code

Our codes are provided in the code folder.
There are 2 executable codes for the models:
1- ML_binary_classifier.py: for detecting malicious Vs benign traffic.
2- ML_category_classifier.py: for classifying the type of DDoS attack.
There is a features.txt file that determines which features will be used in the training.

There are 2 codes for the dataset and feature exploration:
1- feature_exploration.py: Code for recursive feature elimination. Outputs the plot of the corss validation scores vs. number of selected features to identify number of important features. Also, based on the previous step, it outputs 28 most important features to be used as input of the classifier codes.
2- dataset_exploration.py: Is a basic code for reading all of the data and outputs a plot of the label distribution (types of attacks) in the dataset. Also, outputs mean of the "Flow duration (us)" in attack and bengin types. These duration means are used to compare the detection latency vs. attack flow duration.

3- Reference

The reference paper we used in the evaluations can be reproduced using the code in the reference folder.
This code was cloned and modified from the following repository:
https://github.com/tompkj/647_ML_Final

4- Cedar

We ran our codes using Compute Canada, therefore we provided the scripts to submit jobs to the large GPU nodes in the cedar folder.
Additionally, we provide 2 pre-trained models to test the code inside the cedar/output folder.

Instructions

The code depends on the CIC-DDoS 2019 dataset.
You will need to download and extract the .CSV files from the dataset using this link: https://www.unb.ca/cic/datasets/ddos-2019.html
The following instructions apply to both binary and category classifiers.

Create a new virtual environment

python3 -m venv /path/to/new/virtual/environment

Activate the environment

cd /path/to/new/virtual/environment
/bin/activate

Move to the project folder and install the dependencies

cd /path/to/project
pip3 install -r requirements.txt

Create a folder to hold the outputs

mkdir cedar/output/new_folder

Navigate to the code Folders

cd code

Modify the following directories in the ML_binary_classifier.py or ML_category_classifier.py to point to the actual directories.

train_dir  = '/CICDDoS2019/CSVs/01-12/'
test_dir   = '/CICDDoS2019/CSVs/03-11/'
output_dir ='../cedar/output/new_output_folder'

[Optional]
For quick testing of the code, restrict the number of rows read from the files to a small number using:

df = pd.read_csv(filename, nrows=100)

You can modify the features.txt to include more features or alternatively use the default settings.\

In order to train the network use the following command

python3 ML_binary_classifier.py train features.txt new_output_folder
or
python3 ML_category_classifier.py train features.txt new_output_folder

For just testing the pre-trained network, use the following command

python3 ML_binary_classifier.py test features.txt new_output_folder ../cedar/output/ML_binary_classifier_model
or
python3 ML_category_classifier.py test features.txt new_output_folder ../cedar/output/ML_category_classifier_model

You can replace the model with your saved model or use the already saved ones.

Running the feature and dataset exploration codes

For running the feature_exploration.py use:

python feature_exploration.py <path to directory of training CSVs> <path to directory of test CSVs>

For running the dataset_exploration.py use:

python dataset_exploration.py <path of features.txt>

The output plots of these two codes are saved to "SVG" files.

Running the reference code

To run the reference code, most instructions are similar.
We only managed to run this code using a maximum of 1M rows only from each file, otherwise we get out of memory errors.

cd ../reference
python3 reference.py features.txt

In order to execute the code on Compute Canada, you need to acquire access to the cluster and modify the email and paths in the bash script to point to your local directories.

cd ../cedar/scripts
sbatch filename.sh