Cybersecurity Research Institute;
Sichuan University;
Chengdu;
Sichuan 610065;
China;
College of Computer Science;
Sichuan University;
Chengdu;
Sichuan 610065;
China;
College of Cybersecurity;
Sichuan University;
Chengdu;
Sichuan 610065;
China;
sample; labeling; malicious; communication; semi-supervised; learning; deep; neural; network; label; propagation;