# 替换文件

这是一种比较无脑，但是某种程度上还挺好用的方法。

简单的说就是替换现有的自启动文件，最好的例子大概就是Onedrive了。不需要管理员权限就可以结束进程，并且目录可写，Win10默认会自启动。

简单利用示例：

```
taskkill /f /im OneDrive.exe
copy c:\Temp\qwqdanchun.exe %LocalAppData%\Microsoft\OneDrive\OneDrive.exe
```

另外，也可以修改浏览器等的快捷方式来实现被动启动的效果。具体实现将在后文LNK文件格式处详细讨论。

一例修改现有应用文件的攻击：

{% embed url="<https://blog.trendmicro.com/trendlabs-security-intelligence/attack-gains-foothold-against-east-asian-government-through-auto-start/>" %}


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