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Sedat Özdemir

Posts on reverse-engineering

21 posts on reverse-engineering. Notes from public sources and my own test lab.

Spy in Your Pocket: Did You Hand Over the Keys to Your Mobile App's Backdoor?

Think your compiled mobile app is a secure black box? Think again. We're diving into binary security illusions and the pitfalls of local data storage from a Red Team perspective.

May 19, 2026·4 dk readandroid-securityappsecmobile-security

What’s Inside the Box? Shedding Light into Darkness with Malware Analysis

A deep dive into why relying on file hashes is no longer enough and how to safely dissect modern threats using static and dynamic analysis techniques.

May 14, 2026·3 dk readdefensive-securitymalware-analysisred-team

Cebimizdeki Casuslar: Mobil Güvenliğin Görünmeyen Yüzü ve Tersine Mühendislik Maceraları

Mobil uygulamalarda 'güvenli' sandığımız o alanların aslında ne kadar kırılgan olduğunu, kendi yaptığım hatalardan yola çıkarak anlatıyorum. Tersine mühendislikten SSL pinning'e kadar sahada karşılaştığımız gerçekleri konuşalım.

May 11, 2026·4 dk readandroid-securityios-securitymobile-security

Stop Playing in the Sandbox: Facing the Realities of Malware Analysis

Relying solely on automated sandboxes is a trap. Let's dive into the real-world mindset of malware analysis, covering entropy, static inspection, and why your automated tools might be lying to you.

April 21, 2026·4 dk readblue-teamdefensive-securitymalware-analysis

A Night in the Lab: Why That File Isn’t Behaving Like You’d Expect

Signature-based detection is a thing of the past. Join me in the lab as we dissect how modern malware hides in memory and how we can unmask these 'ghost' scripts using both static and dynamic analysis.

April 18, 2026·3 dk readcybersecuritydefensemalware-analysis

Who’s in the Sandbox? The Labyrinths of Malware Analysis and the Eternal Game of Cat and Mouse

Signature-based detection is a relic of the past. Today's malware is context-aware and built to evade analysis. Let's dive into how we dissect these sneaky payloads without losing our minds.

March 15, 2026·4 dk readcyber-securitydfirmalware-analysis

The Regret After Double-Clicking That File: Getting Lost in the Labyrinths of Malware Analysis

A deep dive into the 'wild' path of analyzing malware from a Red Teamer's perspective, starting with a personal 'bridge mode' disaster and moving into static and dynamic analysis techniques.

February 24, 2026·4 dk readcyber-securitydefensemalware-analysis

Walking the Minefield: From Reverse Engineering to Runtime Manipulation

Mobile security is more than just decompiling APKs. Here is my journey from being a rookie to mastering the art of runtime manipulation with Frida.

February 11, 2026·5 dk readandroid-pentestfridamobile-security

Beyond `mov eax, 1`: Diving Into the Binary Mind and Chasing Lost Logic

0x55 0x48 0x89 E5 — more than just bytes. It's the heartbeat of a function. Let's talk Reverse Engineering, the "meat grinder" effect, and finding logic.

February 6, 2026·6 dk readassemblybinary-exploitationmalware-analysis