Black & White Path
Feb 19, 2026 · Information Security
How to Hard‑Code the Encryption Key of a WeChat Public Account
The article walks through a security test of a WeChat public account that uses AES‑encrypted payloads, RSA‑encrypted keys, and an MD5 signature, showing how the author first tried memory editing with Cheat Engine, then succeeded by intercepting and modifying the JavaScript in Burp Suite to fix the key, and finally summarises why front‑end encryption can be bypassed.
Burp SuiteFront-end securityJavaScript
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