Method GetProcessIdByName

Bypass_COM_PPL/trustinstaller_utils.cpp:30–67

}

DWORD Elevate::GetProcessIdByName(std::wstring  processName)
{
    HANDLE hSnapshot;
    if ((hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)) == INVALID_HANDLE_VALUE)
    {
        throw std::runtime_error("CreateToolhelp32Snapshot failed: " + std::to_string(GetLastError()));
    }

    DWORD pid = -1;
    PROCESSENTRY32W pe;
    ZeroMemory(&pe, sizeof(PROCESSENTRY32W));
    pe.dwSize = sizeof(PROCESSENTRY32W);
    if (Process32FirstW(hSnapshot, &pe))
    {
        while (Process32NextW(hSnapshot, &pe))
        {
            if (pe.szExeFile == processName)
            {
                pid = pe.th32ProcessID;
                break;
            }
        }
    }
    else
    {
        CloseHandle(hSnapshot);
        throw std::runtime_error("Process32First failed: " + std::to_string(GetLastError()));
    }

    if (pid == -1)
    {
        CloseHandle(hSnapshot);
        throw std::runtime_error("process not found: " + std::wstring_convert<std::codecvt_utf8<wchar_t>>().to_bytes(processName));
    }

    CloseHandle(hSnapshot);
    return pid;
}

void Elevate::ImpersonateSystem()
{