How to capture HTTP requests from WeChat mini programs and official accounts on Mac.

Oct 30, 2023#工具 #yakit957

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This text provides instructions on how to use a Mac to capture requests from WeChat mini programs for the purpose of reproducing vulnerabilities. The steps involve setting up a proxy server, configuring proxy rules, and using the Proxifier and Yakit tools. Once the setup is complete, the user can start capturing packets from the mini program.

To reproduce the vulnerability report of several WeChat mini-programs, I have recorded how to capture the requests of mini-programs using a Mac.

Tools:

Mac
Latest version of WeChat
Proxifier
Yakit

Open Proxifier and set up the proxy.

Set up the proxy server.

Proxy Server

Add port 8083 for Yakit to listen to.

Yakit Port

Set up the proxy rules.

Proxy Rules

Proxy Rules 2

Click the plus sign, press command + shift + G, enter /Applications/WeChat.app/Contents/MacOS/WeChatAppEx.app/Contents/Frameworks/WeChatAppEx Framework.framework/Versions/C/Helpers.

Note: Follow the above steps for the latest version of WeChat.

WeChat Helper