A blog dedicated to the intricate art of malware analysis and reverse engineering. We explore assembly, dissect threats, and build tools to make the digital world safer.
CVE-2026-9912: RCE vulnerability discovered in widely used IoT gateway...Europol seizes infrastructure belonging to "FrostByte" ransomware group...New Zero-day proof of concept released for Windows Spooler service...Supply chain attack detected in widely used NPM logging library...CVE-2026-9912: RCE vulnerability discovered in widely used IoT gateway...
New to Reverse Engineering? Start Here.
Welcome! The world of malware analysis and reverse engineering can seem daunting, but every expert was once a beginner. This page is your roadmap.
The goal is to build a solid foundation. Don't rush. Spend time understanding each concept before moving to the next. Here's a suggested learning path:
1
Understand the Fundamentals
Before you can run, you must learn to walk. Focus on computer architecture, operating systems, and networking basics.
This is the language of the machine. You don't need to be a master developer, but you MUST be able to read it. Our Assembly 101 series is the perfect place to begin.
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News & Updates
Stay up to date with the latest news, updates, and announcements from GreatBin.
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Site UpdatesJanuary 15, 2024
News Section Launch
We've added a dedicated news section to keep you updated with the latest content, site improvements, and cybersecurity news relevant to our community.
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New ArticlesJanuary 10, 2024
Recent Article Updates
Check out our latest malware analysis articles covering advanced shellcode techniques and platform-specific implementations.
Malware AnalysisShellcode
Tech NewsJanuary 8, 2024
New Security Vulnerabilities Discovered
Security researchers have identified critical vulnerabilities in popular software packages. Stay updated with the latest cybersecurity developments affecting the industry.
VulnerabilitiesSecurity Research
AnnouncementsJanuary 5, 2024
Welcome to GreatBin
Welcome to our cybersecurity and malware analysis blog. We're committed to providing high-quality educational content for security professionals and enthusiasts.
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Hello, I'm Leon Kayaliev — a cybersecurity strategist and reverse-engineering enthusiast.
GreatBinary.Win exists for one reason: to make the binary world less intimidating and more accessible.
My journey started with a simple curiosity:
"What actually happens when you double-click an .exe file?"
That question pulled me into the world of assembly, disassembly, and malware analysis. Over time, I've gone from
breaking things apart to teaching others how to do the same — responsibly, and with a focus on building stronger defenses.
What You'll Find Here
This blog is where I share what I've learned:
•Clear explanations of low-level concepts like the stack, registers, and APIs.
•Walkthroughs of real malware analysis cases.
•Practical insights for developers and defenders who want to understand what's really happening under the hood.
It's not meant to be a polished textbook. It's a living document of my own learning process, with all the detours,
"aha!" moments, and ongoing discoveries that come with it.