The difference with gulp-spsync is that this plugin makes use for client credentials (username and password) in order to upload and/or download files.
Free Habbo Creds With This Code! – Habbo Hotel Questions
If you don't have such a file, pastebin.Com is a popular text paste site that black-hat hackers love posting leaked account credentials to.
GitHub – brannondorsey/naive-hashcat: Crack password hashes
Here is a piece of software that will generate Serial numbers for a broad range of products.