Zibri's Blog

WhatsApp Web "lastseen" Chrome Extension. Some time ago I informed Facebook that the privacy setting "lastseen" in WhatsApp is totally useless. After a few e-mails thay told me they didn't consider this a security problem, but a feature clearly stated in WhatsApp T.O.S. Well, then why is there a useless security setting? Nevermind, I just coded a quick and dirty extension for google chrome so the "last seen" of the contacts hiding it, is shown next to their name! Enjoy the extension!

Here we go again! Telecom Italia is another company that thinks that security by obscurity could ever work. If you "backup" the configuration from most Telecom Italia routers, you will get a .KRY file which is "encrypted". Use this utility below, to decrypt it (so you can edit it) and encrypt it again. Have fun. Drop files here or

Here is a little program that can obfuscate and deobfuscate Samsung SSD firmware files. I'm against obfuscation because it's a stupid malpractice aimed only to keep off unliterate people. Use as you please and drop me a comment/email if it was useful to you. Drop files here or Donations are welcome.