Cybersecurity Articles

Explore my insights on cybersecurity, penetration testing, and ethical hacking. Learn from real-world experiences and advanced security methodologies.

Articles

OBS Studio Scene Collection RCE Vulnerability Research
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Behind the Scenes: Two RCEs in a Single OBS Scene Collection Import

Importing a shared OBS "streaming kit" can silently execute arbitrary code — two independent, unpatched RCE vectors in Scene Collection import, still present as of OBS 32.2.2...

EC-Council Hall of Fame — two unauthenticated exposures
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How I Landed in EC-Council's Hall of Fame: Two Unauthenticated Exposures

A leaked Composer credential file and a publicly served ownCloud data directory on EC-Council assets — two simple exposures that earned a Hall of Fame spot...

Subscription Bypass in MalakaBooks
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Subscription Bypass in MalakaBooks: Zero Validation Edition

How a completely unprotected API endpoint let me access premium book subscriptions without paying through an unguarded /mock-activate endpoint...

SSRF to RCE via Postman and a Docker Socket
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The Postman Always Rings Twice: SSRF to Root via a Docker Socket

A dead SSRF guard inside Postman's own request library lets an imported Collection reach the Docker Engine API and become root on the host...

Time-Based SQL Injection in Coffee Ordering App
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The Coffee Order That Made the Database Sleep

What started as a casual coffee order turned into a Time-Based SQL Injection discovery in a mobile ordering API...

Out-of-Band SQL Injection
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Breaking Past 403: A Deep Dive into Out-of-Band SQL Injection Discovery

Hi everyone! Hope you're all doing well. This time, I'm coming back with an interesting story related to an Out-of-Band SQL Injection...

Broken Access Control and SQL Injection
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Abusing Broken Access Control and SQL Injection in the Wild

Hi all! How are you guys? I hope everything is fine. It's been quite a while since I last wrote an article — probably over a year...

Linux Server Security
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How Do I Get Root Access on a Linux Server

Hi all! How are you guys? I hope everything is fine. This time, I want to share my experience in getting root access on a Linux server...

Wedding Security Testing
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From Wedding to Hacking

Hello everyone, how are you all doing? I hope each and every one of you is doing well. In this article, it might be a bit longer than the usual...

SQL Injection
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Got Access To Server through SQL Injection

Hi, how are you guys? I hope you are fine. This is my first article of the month, I hope you enjoy it...

Account Takeover
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Got Takeover Account From Multiple Bugs

Hi everyone how are you? I hope you guys are well. I'm RyuuKhagetsu, this is my article in English, sorry if there are any mistakes...

Cyber Investigation
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How I Take Over The Scammer's Data

Hi everyone how are you? I hope you guys are well. I'm RyuuKhagetsu, this is my article in English, sorry if there are any mistakes...

Mobile Security Testing
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Getting P1 Bug Only With My Cellphone

Hi everyone how are you? I hope you guys are well. I'm RyuuKhagetsu, this is my article in English, sorry if there are any mistakes...

Price Manipulation
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Price Parameter Tampering | How I Change Any Price on Website

Hi everyone how are you? I hope you guys are well. I'm RyuuKhagetsu, this is my article in English, sorry if there are any mistakes...

Windows Server Vulnerability
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Does MS15–034 Still Exist Today?

Hi everyone how are you? I hope you guys are well. I'm RyuuKhagetsu, this is my article in English, sorry if there are any mistakes...

SQL Injection Login Bypass
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[Bug Bounty] SQL Injection and Bypass SQL Login

Hi Semuanya bagaimana kabarnya? Semoga dalam keadaan baik baik saja. Kali ini saya ingin membagikan tulisan saya mengenai bug bounty...

Git Directory Exposure
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[Bug Bounty] Directory Listing on .git Directory

Hi semuanya semoga dalam keadaan baik baik saja, ini merupakan tulisan pertama saya dan semoga tulisan saya bisa menjadi referensi...