Malicious Encryption Traffic Detection Based on NLP

Table 3

The detection accuracy and AUC value obtained by different methods.

Detection method	Accuracy (TF-IDF)	Accuracy (encoding)	AUC
Gradient boosting	0.880	0.487	0.873
Random forest	0.922	0.492	0.918
AdaBoost	0.918	0.497	0.918
Ensemble learning	0.931	0.492	0.929
CNN	0.933	Huge