Tags » Steganography

A Review of Patrick Madden's Sublime Physick

By e.v. de cleyre

A 352-word essay took me two years to write. It started with a prompt at a low-residency workshop, then expanded into a long essay (per a professor’s suggestion), then written into a nonfiction manuscript, then removed from said manuscript, and finally rewritten at another low-residency workshop with another prompt, two years after the first. 485 more words

Teaching Resources

Writeups - RE100, digital_fortrees.exe (Whitehat '11) + Late Writeup - the dog picture thingy (TJCTF)

Today, I participated in the WhiteHat Contest ’11 (wargame.whitehat.vn). This wargame was unusual for it’s extremely short 8-hour duration, which roughly aligned to the Australian afternoon – I checked after lunch and it was up, so I gave it a go. 978 more words


Hide Data in Audio Files

Steganography is  the practice of hiding information within another digital medium (audio, video, or graphic files). For instance, if I wanted to send someone else a secret message, I could place the message within a picture, audio, or video file and send it via email or allow them to download the file from my website. 676 more words


SCIgen - An Automatic CS Paper Generator

I love these things.

SCIgen is a program that generates random Computer Science research papers, including graphs, figures, and citations. It uses a hand-written context-free grammar to form all elements of the papers.

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Hacking for n00bz - Level 5

For level 5, we get a page with an infinite pop-up that says “hacker!!”.

Upon checking the JavaScript on the page using Firebug or the inbuilt developer tools on any browsers, you will see that is is an infinite loop, 120 more words


Hiding in plain sight


I got distracted for a few days by couple of articles [1] [2] I read about steganalysis. I have always had an interest in cryptography and the likes. 1,371 more words


Writeup - The Neverending Crypto Part 1-7 (TUCTF)

This weekend, I participated in TUCTF. This was a quality CTF with a large variety of challenges (including the interesting “EscapeFromHell” series, which I thought was structured very well – but it’s too long to do here. 283 more words