Network Protocol Analysis Base on WeChat PC Version.

IM (Instant Messaging), also known as real-time communication, is a real-time communication system that allows people to use the network to communicate text messages, files, voice and video in real time. With the sustainable development of informatization construction at home and abroad, IM has also become a theme in the development of Internet informatization. In China, Tencent QQ, WeChat, Fetion, Aliwangwang and other IMs are used more and more widely, which occupy a large number of markets. The share of WeChat stands out in the highly competitive IM market and is gradually becoming the infrastructure of the entire mobile Internet. This paper briefly analyzes the security issues and attack conjectures by analyzing WeChat’s login protocol and the important parameters of the packet transmission in the protocol.