小红书 APP 的网络请求依赖一套名为 Shield 的签名保护机制，对应请求头中的 shield 字段。该签名由客户端 native 层（libxyass.so）生成，用于服务端校验请求合法性。 本项目通过逆向分析 libxyass.so，将 Shield 算法从 ARM 汇编完整还原为纯 Python 实现，不依赖任何模拟 ...

Security researchers have discovered an unusually evasive Linux backdoor, undetected even by VirusTotal, compromising systems as a malicious pluggable authentication module (PAM). Dubbed “Plague” by ...

The latest Volkswagen Golf will go on sale here by July but potential buyers can order one from next month. It is half a century since the first Golf went on sale. It has been bought by more than 37 ...

Abstract: RC4 is one of the most widely accepted stream cipher on account of its structural simplicity, encryption and decryption speed and efficiency. In this paper, we report on several ...