Gabriele Biondo

@neme6

(Not Only MacOS) Penetration Tester; Developer; Cy[b|ph]erpunk

London/Amsterdam/Tallin/Milan.Joined February 2022

About

Math guy who's into Cryptography, into iOS/MacOS development, and obviously into hacking/pentesting. Writing stuff in C/C++/ObjectiveC/Swift/Python/Assembly.

Available for

I am available for: - mentoring - training - penetration testing - development - architectures

Gabriele Biondo's blogs

RevEng3 - Reverse Engineeringblog.reveng3.org16 posts

Zero the Heroblog.zero-the-hero.run8 posts

Rusted Piecesdust.rustedpieces.io1 post

Recently published

blog.zero-the-hero.run

The Last Page of the Machonomicon

Not all tales end with a scream. Some close with a dull click, like the sound of a lone bit falling into the darkness of a corrupted stack. I have seen the Mach-O rise from the depths of XNU and sink back again, like a tide of code and shadow. I have...

Oct 16, 20251 min read

blog.zero-the-hero.run

Implementing a disassembler within your Rust code

Note This post appears also on my companion blog, Rusted Pieces. The challenge I wanted to implement a disassembler for 0tH. If you’re reading this post on Rusted Pieces, you wouldn’t have the slightest idea about what 0tH is, so let me summarise it....

Sep 25, 20255 min read

blog.zero-the-hero.run

The Call of Mach-O

I have walked too far into the binary. What began as curiosity—a harmless dissection of an executable—has become a descent into an architecture that should never have been read by human eyes. Mach-O… it is not a format. It is a prison. A temple. A mi...

Sep 25, 20251 min read

blog.reveng3.org

The Janus Array: When Your Data Structure Has Two Faces

The Monster in the File Picture this: you're reverse-engineering some binary format, and you discover a nightmare hierarchy that makes onions jealous. Files split into slices. Slices containing commands. Commands holding elements. And oh, did I menti...

Sep 24, 20253 min read

dust.rustedpieces.io

The Janus Array: When Your Data Structure Has Two Faces

The Monster in the File Picture this: you're reverse-engineering some binary format, and you discover a nightmare hierarchy that makes onions jealous. Files split into slices. Slices containing commands. Commands holding elements. And oh, did I menti...

Sep 24, 20253 min read

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Gabriele Biondo

About

Available for

Gabriele Biondo's blogs

Recently published

The Last Page of the Machonomicon

Implementing a disassembler within your Rust code

The Call of Mach-O

The Janus Array: When Your Data Structure Has Two Faces

The Janus Array: When Your Data Structure Has Two Faces