Juan CortésinITNEXTSteganography 101 — LSB Introduction with Python — Part 1Hiding plaint text messages inside the RGB channels of a PNG image’s pixelsOct 7, 2019Oct 7, 2019
Juan CortésinITNEXTCan you trust the author of your browser extensions?A rant about permissions, karma, phishing, stealing, chrome extensions and how thin the skin of our privacy is.Jul 18, 2018Jul 18, 2018
Juan CortésinITNEXTStanding up for CodeGolf, abusing the language you love, to learn more about itAlthough I’m not going to disclose where the above code is used, let me tell you a little bit more about it. I was presented with a…Jul 16, 2018Jul 16, 2018
Juan CortésinITNEXTUnlocking WhatsApp’s hidden GIF provider (Giphy / Tenor) and exploring the codeAfter the overwhelming number of views I received on the previous story I decided I would pursue the topic of exploring WhatsApp’s…Jul 10, 2018Jul 10, 2018
Juan CortésinITNEXTExploiting freely accessible WhatsApp data or “Why does WhatsApp web know my phone’s battery level?”This all started with the title's simple question. I was aware that the desktop app communicated with the phone after the initial handshake…Jul 8, 20181Jul 8, 20181
Juan CortésinITNEXTJavaScript Closures, Memoization and FactoriesA closure is the combination of a function and the lexical environment within which that function was declared¹.Jun 28, 2018Jun 28, 2018
Juan CortésinITNEXTHidden methods and data in JavaScriptA rant about preventing access to certain methods in our code and why that’s a good thing.Jun 25, 2018Jun 25, 2018
Juan CortésinITNEXTHow I helped recover 5000XLM from RAM dumps, RegExp, and PatienceThere I was, reading the titles of some of the posts on /r/Stellar when I stumbled upon this little calamity where /u/badusernam was…Jan 30, 20182Jan 30, 20182
Juan CortésWriting a chained Immutable Model in LaravelWe are going to explore the idea of creating a model in Laravel that doesn’t allow modifications (updates or deletes). It should also be…Nov 21, 20171Nov 21, 20171
Juan CortésLocal domains through nginx-proxy and DockerContinuing on my quest to get everything I had on Mamp Pro (on the good days) on my new Docker setup, the next problem I faced was running…Nov 16, 20174Nov 16, 20174