F3l: an automated and secure function-level low-overhead labeled encrypted traffic dataset construction method for IM in Android

Cybersecurity

Table 4 Feature attributes of in-app functions in matching library

In-app functions	QQ	WeChat	Telegram
Text	id, className	longClickable, className, text	text, desc
Picture	id, className	desc, className	text, desc
Video	desc	clickable, className, childCount	text, desc
Voice	id, text	text	text, desc
File	text	className, desc	text, desc