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network-flow-counting

Contact: Fares Meghdouri fares.meghdouri@tuwien.ac.at

This repository contains the code and data for our paper Shedding Light in the Tunnel: Counting Flows in Encrypted Network Traffic published at ICDMW-DMC 2021

Datasets

Preprocessed

(please contact the author)

Extract Your Own Data

Start by downloading the following pcap files:

Usage Examples

The scaler objects are objects that store the scikitlearn StandardScaler models. We scale the data once during training and then we use the same model for testing since test data is considered as unknown and thus, can't be scaled with its knowledge. Hence, you notice when calling the script, we always load the scaler except for sequences of length 500 where it is created for the first time.

Using our pre-trained models

  • Get metrics presented in the paper for sequences of length 500
python learn.py --task count --window 500 --model best_models/best_of_std/500.hdf5 --evaluate --reset_scalers
  • The same thing for sequences of length 20
python learn.py --task count --window 20 --model best_models/best_of_std/20.hdf5 --evaluate --reset_scalers --data_scaler "scaler_objects/data_scaler"

Use the pre-trained model with your data

python learn.py --task count --window 20 --model best_models/best_of_std/20.hdf5 --evaluate --reset_scalers --data_scaler "scaler_objects/data_scaler" --external_data --dataroot your_data_path

Train your own model and evaluate it

python learn.py --task count --dataroot your_data_path --window 50 --function train --evaluate --working_dir path_to_tmp

PS: many files will be generated such as scalers, models etc. and put into path_to_tmp

To generate Table2 of the paper:

python learn.py --task count --window 500 --model best_models/best_of_std/500.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate
python learn.py --task count --window 100 --model best_models/best_of_std/100.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate
python learn.py --task count --window 50 --model best_models/best_of_std/50.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate
python learn.py --task count --window 20 --model best_models/best_of_std/20.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate

 python learn.py --task count --window 500 --model best_models/best_of_std/500.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test1.csv
 python learn.py --task count --window 100 --model best_models/best_of_std/100.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test1.csv
python learn.py --task count --window 20 --model best_models/best_of_std/20.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test1.csv
 python learn.py --task count --window 50 --model best_models/best_of_std/50.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test1.csv

 python learn.py --task count --window 500 --model best_models/best_of_std/500.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test2.csv
 python learn.py --task count --window 100 --model best_models/best_of_std/100.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test2.csv
 python learn.py --task count --window 50 --model best_models/best_of_std/50.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test2.csv
python learn.py --task count --window 20 --model best_models/best_of_std/20.hdf5 --reset_scalers --data_scaler "scaler_objects/data_scaler" --evaluate --external_data --dataroot data/test2.csv

Further documentation will be available soon.