Use Zero-Width Characters to Hide Messages & Reveal Leaks [Tutorial]

May 29, 2020 by 30 Comments

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Cyber Weapons Lab, Episode 161

Today, in this episode of Cyber Weapons Lab, we are going to take advantage of a little-known feature in Unicode to hide messages in plain text. As a bonus, the hidden message will go with the text everywhere they are copy and pasted. What’s this feature? Zero-width characters.

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30 Replies to “Use Zero-Width Characters to Hide Messages & Reveal Leaks [Tutorial]”

  1. Great content as always

  2. 1:50 Snow Demon for sale. 69 bucks… 69 with a snow demon? nice but cold

  3. Dopey Dope says:

    Wait a minute, who are you?

  4. Can someone scan the comm‌​​‌​​​⁠‌‌​​‌​‌⁠‌‌‌‌​​‌⁠‌‌‌‌​​‌⁠‌​​​​​⁠‌‌​‌‌‌​⁠‌‌​‌​​‌⁠‌‌​​​‌‌⁠‌‌​​‌​‌⁠‌​​​​​⁠‌‌​‌​‌​⁠‌‌​‌‌‌‌⁠‌‌​​​‌​⁠‌​​​​‌⁠‌​​​​​⁠‌​​‌‌​​⁠‌​​‌‌​​ents for any secrets?

  5. Used this as inspiration to code a divine intellect crypter. Embedded C++ in a Node runtime so it's pretty damn fast, working on implementing image and PDF embedding and messing around with polymorphism.

  6. But i like kody saying most

  7. This is also called pastejacking

  8. I want to hack instagram account by direct password generating!!! Plsss help!!!

  9. Use pgp + cipher + this. To really strengthen the security

  10. saif says:

    Welcome to Null byte Team 🙂 LIKEEE👍👍👍

  11. Totaly not a se‌‌​​‌‌‌⁠‌​​​​​⁠‌‌​​‌​‌⁠‌​​​​​⁠‌‌‌​‌​​⁠‌​​​​​⁠‌‌​‌‌‌​⁠‌​​​​​⁠‌‌​‌‌‌‌⁠‌​​​​​⁠‌‌​‌‌‌‌⁠‌​​​​​⁠‌‌​​​‌​cret message

  12. Vinod Gupta says:

    Do you kicked the guy out from null byte
    Who doesn't blink

  13. Sandesh says:

    Quarantine has changed Kody so much. Almost unrecognizable. ;p

  14. Syed Ali says:

    Missing youu kody sir…the way you speak and you don't blink..come back soon..

  15. Great video, now I can create se‌‌​‌​​​⁠‌‌‌​‌​​⁠‌‌‌​‌​​⁠‌‌‌​​​​⁠‌‌‌​​‌‌⁠‌‌‌​‌​⁠‌​‌‌‌‌⁠‌​‌‌‌‌⁠‌‌‌​‌‌‌⁠‌‌‌​‌‌‌⁠‌‌‌​‌‌‌⁠‌​‌‌‌​⁠‌‌‌‌​​‌⁠‌‌​‌‌‌‌⁠‌‌‌​‌​‌⁠‌‌‌​‌​​⁠‌‌‌​‌​‌⁠‌‌​​​‌​⁠‌‌​​‌​‌⁠‌​‌‌‌​⁠‌‌​​​‌‌⁠‌‌​‌‌‌‌⁠‌‌​‌‌​‌⁠‌​‌‌‌‌⁠‌‌‌​‌‌‌⁠‌‌​​​​‌⁠‌‌‌​‌​​⁠‌‌​​​‌‌⁠‌‌​‌​​​⁠‌‌‌‌‌‌⁠‌‌‌​‌‌​⁠‌‌‌‌​‌⁠‌‌​‌‌​⁠‌‌​‌‌‌​⁠‌‌​​‌‌⁠‌‌‌​​​​⁠‌​​​‌‌​⁠‌​​​‌‌​⁠‌​‌​​​​⁠‌​‌​​‌‌⁠‌‌​‌‌​​⁠‌​‌​‌‌‌⁠‌‌​‌​​cret messages in group chats.

  16. pentest says:


  17. Max Rizzuto says:

    Just found of that Emojis are constructed with zero-width characters. Ex: Pride flag emoji = white flag + zero-width nonjoiner + rainbow.

  18. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

  19. Almntzer Iq says:

    Hi guys this mes‌​​​​​‌⁠‌‌‌‌​​‌⁠‌‌‌‌​​‌⁠‌‌‌‌​​‌⁠‌​​​​​⁠‌‌​‌​​‌⁠‌‌​‌‌​‌⁠‌​​​​​⁠‌‌​​​​‌⁠‌​​​​​⁠‌‌​‌‌‌​⁠‌‌​‌​​‌⁠‌‌​‌‌‌​⁠‌‌​‌​‌​⁠‌‌​​​​‌sage is normal

  20. Can i hide a payload in a message like this?

  21. Zapper 237 says:

    Where is Cody??

  22. LEO HAZARD says:

    Deep fake entered the chat

  23. There's also an app called 'Photosecret' you can install it. It has all the instructions in the description though it only uses photos you send to people. Just saying if anyone wants to have a stupidly private chat 😗