// Setup session options
SessionOptions sessionOptions = new SessionOptions
{
    Protocol = Protocol.Sftp,       // Can be SFTP, FTPS, or plain FTP
    HostName = Dts.Variables["$Package::pHostName"].Value.ToString(),
    UserName = Dts.Variables["$Package::pUserName"].Value.ToString(),
    Password = Dts.Variables["$Package::pPassword"].GetSensitiveValue().ToString(),
    GiveUpSecurityAndAcceptAnySshHostKey = true
};


// Set up the FTP session, specifying the path to the server directory
Session session = new Session
{
    ExecutablePath = Dts.Variables["$Package::pWinScpExecutablePath"].Value.ToString()
};


// Connect
session.Open(sessionOptions);

// Specify which directory on the FTP server to list
RemoteDirectoryInfo directory = session.ListDirectory(Dts.Variables["$Package::pRemotePath"].Value.ToString());