Google Flutter Capture Packet
Flutter framework
新发布的应用是基于Google的Flutter框架编写，编写语言为Dart。主要判断依据是其APK的Lib文件夹中，存在 libflutter.so、 libapp.so两个关键文件，以此可断定其使用的框架。此框架最大的特点是使用 Dart语言编写一次，可同时生成Android和IOS两个操作系统的应用。
Legend: The location of the packaged so file of Flutter
Use IDA to open the libflutter.so file, search for the ssl_server string in the Strings window, and find the specific reference function through interactive references, as shown below:
Flutter Capture Packet
This analysis process provides a way to capture packets, which can be ignored. Subsequent data packets can be directly intercepted by dump dart or other methods
Main idea: The Flutter framework cannot intercept data packets through the middleman proxy, and needs to bypass its judgment on certificate binding. via libflut