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

Articles Comments

Recently published

GBGabriele Biondoblog.zero-the-hero.runOct 16, 2025 · 1 min read

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...

0

GBGabriele Biondoblog.zero-the-hero.runSep 25, 2025 · 5 min read

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....

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GBGabriele Biondoblog.zero-the-hero.runSep 25, 2025 · 1 min read

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...

0

GBGabriele Biondoblog.reveng3.orgSep 24, 2025 · 3 min read

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...

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GBGabriele Biondodust.rustedpieces.ioSep 24, 2025 · 3 min read

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...

0

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

Search Hashnode

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