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Uriel Kosayev Profile
Uriel Kosayev

@MalFuzzer

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6K
Following
8K
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524
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Author of MAoS - Malware Analysis on Steroids & Antivirus Bypass Techniques | Cybersecurity Researcher | Keynote Speaker | Co-Founder @TrainSec Academy

Walking this world with God
Joined December 2017
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@MalFuzzer
Uriel Kosayev
3 months
🚀 It’s official — my new book is live on Amazon: MAoS – Malware Analysis on Steroids This book is not like the others. It’s built on years of raw, hands-on research, reverse engineering sessions at 3 AM, and real-world incident response cases. Inside, you’ll find full A–Z
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@MalFuzzer
Uriel Kosayev
3 days
🚀 EDR Internals – Research & Development is LIVE Stop guessing how EDRs work. Learn how they actually operate — telemetry, detection logic, kernel internals & real-world bypasses. Built for malware analysts, detection engineers, red & blue teamers. 👉 Enroll here:
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trainsec.net
EDR Internals hands-on workshop is designed to give cybersecurity professionals, malware researchers, and detection engineers a rare opportunity to explore how modern Endpoint Detection and Response...
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@dedaluslabs
Dedalus Labs
23 hours
It’s the season of giving… 🎁 Get FREE access to ANY model from the Dedalus API. Available until January 12th, 2026.
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@MalFuzzer
Uriel Kosayev
6 days
🎙️ New Podcast Episode – I was hosted by @HoffmanYaniv How does malware really work behind the scenes? I recently had the pleasure of being hosted by Yaniv Hoffman on his podcast, where we went deep into how modern malware operates in real-world attacks — not theory, not
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@MalFuzzer
Uriel Kosayev
3 months
🚀 It’s official — my new book is live on Amazon: MAoS – Malware Analysis on Steroids This book is not like the others. It’s built on years of raw, hands-on research, reverse engineering sessions at 3 AM, and real-world incident response cases. Inside, you’ll find full A–Z
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@MalFuzzer
Uriel Kosayev
16 days
Did you know that the shortcut keys of CTRL-Win key-F brings up this? 🤔
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@matpatriotparty
The Patriot Party 🇺🇸
4 days
See The Patriot Party’s bipartisan proposed legislation to fix our Healthcare system, fix Gun Violence Constitutionally and fix Immigration. All produced at the click of a button with our new Federal Policy Producing AI Coming Soon to EVERY American FREE of charge.
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thepatriotparty.us
The Patriot Party Podcast: TRUTH & CONSTITUTION above all.
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@MalFuzzer
Uriel Kosayev
23 days
Final days of the TrainSec Black Friday event. Through 1 December, every individual course is 40 percent off using BF2025. If you want to sharpen your malware analysis, reversing or detection engineering skills but prefer starting with a single course instead of a full path, this
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trainsec.net
Cybersecurity courses that are on Black friday sale.
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@MalFuzzer
Uriel Kosayev
25 days
🚀 MAoS just hit 1,000 reads on ResearchGate! Grateful to see researchers and security professionals diving into the book and using it in real-world work. More research and deep-dive content coming soon. 📖 https://t.co/wNDmG8Ypny #CyberSecurity #MalwareAnalysis
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@MalFuzzer
Uriel Kosayev
1 month
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@MalFuzzer
Uriel Kosayev
1 month
My man!
@The_H1tchH1ker
Amichai Yifrach
1 month
UART Hacking Level 2 is officially live. Months of filming, breaking gear, building labs, rewriting content, and pushing every lesson to be real world. Today it’s finally out. This module goes deep: UART exploitation, OT buses, MITM, fault injection, secure boot bypass attempts,
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@vicariusltd
Vicarius
10 days
12 Days of Cybersec Christmas On repeat 🔂
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@TrainSec
TrainSec Academy - Where pros train pros
1 month
New course drop! UART Hacking - Level II, Module 01. 15 classes. 15+ hours. Hands-on labs from pin ID to OT MITM, fault injection, and firmware extraction. Instructor: @The_H1tchH1ker Enroll: https://t.co/sELByf40ud
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@MalFuzzer
Uriel Kosayev
1 month
This book isn’t for everyone. MAoS – Malware Analysis on Steroids is for those ready to go beyond theory — into the raw, unfiltered world of real malware dissection, evasion, and reverse engineering. In this video, I introduce what makes MAoS different — a book for serious
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trainsec.net
The MAoS Bundle is your fast track to mastering malware analysis. From core concepts to hands-on reverse engineering, this bundle gives you the real-world skills needed to dissect malware with...
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@hetmehtaa
Het Mehta
2 months
Look what arrived today! #malware
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@lockmounts
Lockmounts
6 days
Lockmounts keep your rifles out of the hands of the unauthorized.
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@inumidundami
InumidunDami
2 months
Diving into ‘MAOS - Malware Analysis on Steroids’ by Uriel Kosayev! @MalFuzzer #CyberSecurity #MalwareAnalysis #ThreatIntel #DFIR
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@MalFuzzer
Uriel Kosayev
2 months
It’s finally here! 📦 Just received my own printed copies of MAoS – Malware Analysis on Steroids 🔥 There’s nothing like holding your work after months of writing, research, and late-night debugging. Get your copy here👉 https://t.co/wNDmG8Ypny #CyberSecurity #MalwareAnalysis
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@qnqsec
QnQSec
2 months
Excited to announce our fourth sponsor — @TrainSec TrainSec is the Cybersecurity academy where pros train pros in Malware analysis, SOC, Windows Internals and Hardware Hacking. Trained by Pavel Yosifovich, the Windows internals guru, Uriel Kosayev, a world known security
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@MalFuzzer
Uriel Kosayev
3 months
🙏 Thank You for the Incredible Support! To everyone who bought, shared, messaged, or just cheered from the sidelines — thank you. The launch of MAoS – Malware Analysis on Steroids has been overwhelming in the best way possible. If you’ve read even a part of the book and found
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@WarrenLentz
Warren Lentz
16 days
Most “detox” saunas never show you what’s in the walls. I do, because what you sweat in matters. Our saunas use low-tox materials for people who take detox seriously. Tap through to learn more.
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@MalFuzzer
Uriel Kosayev
3 months
🙏 Thank You for the Incredible Support! To everyone who bought, shared, messaged, or just cheered from the sidelines — thank you. The launch of MAoS – Malware Analysis on Steroids has been overwhelming in the best way possible. If you’ve read even a part of the book and found
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@MalFuzzer
Uriel Kosayev
3 months
Be prepared 🔥 My inspiratiON session at Orange Systems will begin at 19:15 CET+1 (GMT+2) Visit the following link to watch it live: https://t.co/VGUEFm4gli #cybersecurity #infosec #ai
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