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Ange Albertini
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Ange Albertini

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Peeks, Pokes and Pirates, with 4am.
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Ange Albertini

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To turn PoC||GTFO 10 in a standard (non-polyglot) and smaller PDF,
run "mutools clean -ggg" on it.
http://mupdf.com/downloads/
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Ange Albertini

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[Ange Ablertini] is the undisputed master of packing one file type inside another, so if you want to get into the nitty-gritty of [Ange]’s style of “polyglot” file types, watch his talk on “Funky File Formats” (YouTube). You’ll never look at a ZIP file the same again.
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Heh. No one at work opens the attachments when I send vacation photos. 😇
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Hacks in video games - how people can make better video games
(a presentation for kids, that was actually presented with videos)
AKA "How people can create better videogames" Presented at Hack.Lu's Cryptoparty4kids 2015
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Ange Albertini

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I made a cheeky PDF ;)
@angealbertini: Congratulations! (But only If you handcoded the OCGs and didn't cheat it by using LaTeX or something...). ;-). ange. 2m2 minutes ago. ange @angealbertini. @pdfkungfoo of course it's handcoded ! (TBH I didn't check yet how it's possible in LaTeX) ...
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A graduate course in applied cryptography v0.2
by Dan Boneh & Victor Shoup
free PDF, 400 pages
Part I: Secret key cryptography. Introduction; Encryption; Stream ciphers; Block ciphers; Chosen plaintext attacks; Message integrity; Message integrity from universal hashing; Message integrity from collision resistant hashing; Authenticated encryption. Part II: Public key cryptography ...
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Ange Albertini

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PoC||GTFO 10 is a [polyglot] PoC-ception:
It's a PDF with several articles, and the first one explains how to exploit Pokemon Red via pure controller input (and reset), running on a Super Game Boy plugged in a Super Nintendo. It takes over the Super Game Boy, then takes over the Super Nintendo.

The same file is also an exploit that can be used on the real hardware or an emulator, and the payload displays the content of the article.

It's also a ZIP, containing many extra materials of interest.
a [polyglot] PoC-ception: exploit hardware^emulator to display the article explaining the exploit. Embedded image. 8:08 AM - 16 Jan 2016. 23 Retweets16 Likes. Reply to @angealbertini. Home · Sign up · Log in · Search · About. Not on Twitter? Sign up, tune into the things you care about, ...
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Ange Albertini

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PoC||GTFO 10 is out!
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Great pic!
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Trusting files (and their formats)
Trusting files (and their formats) Presented at Hack.Lu
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FTR it's an official feature, not a bug, only supported by Adobe, but doesn't trigger any warning nor error in other readers: by defining "layers" in your document (called Optional Content Groups), and setting some as printed by default, others are visible by default.

Fun fact: you can change the visible layers, but you can't change the layers to be printed. You'd need to alter the PDF yourself to do that.
 
I made a cheeky PDF ;)
@angealbertini: Congratulations! (But only If you handcoded the OCGs and didn't cheat it by using LaTeX or something...). ;-). ange. 2m2 minutes ago. ange @angealbertini. @pdfkungfoo of course it's handcoded ! (TBH I didn't check yet how it's possible in LaTeX) ...
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How we hack :)
Home · About/FAQ · Contact · Shop · Subscribe · Random Comic · Archive. Honk the Databus ? Random Comic. Search Nedroid Picture Diary: Powered by OhNoRobot.com. Items of Interest: Party Cat · 200 Bad Comics. Upcoming Shows: ‹‹ First · ‹ Previous ...
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I updated my latest tutorial, as feedback was more enthusiast than expected.
A simple walk-through to learn the basics of the PDF format (at your rhythm) 2017/07/23 : first release 2015/07/28 : r2 - typos, improvements, stream filters
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Reverse engineer - author of Corkami.com
Introduction
puzzles, crêpes, singing
reverse-engineering, graphics