代理工具的价值早已不是“能否执行”，而是如何“可控执行”。
小红书和闲鱼上曾经遍布的“上门装龙虾送保洁/做饭”的服务，又变成了“代卸载龙虾”服务，还照样是299元一次的价格。，推荐阅读搜狗输入法获取更多信息
Fishing industry，更多细节参见谷歌
The latter is the more interesting test — it writes a 0xcc byte (the x86-64 software breakpoint instruction) which will cause the kernel to deliver a SIGTRAP to our process if executed. This is literally changing the executable code of libc. So the next time we call getchar, if we get a SIGTRAP, we know that the write has succeeded.
emacs-solo-transparency