Posts by Kostas Ereksonas

@Kostas Ereksonas

Kostas Ereksonas

Security researcher, specializing in computer networks and IoT security
Lithuania medium.com/@kostasereksonas Joined May 2026
1.9k Points • 18 Badges • 9 Connections • 9 Followers • 12 Following

Comments by Kostas Ereksonas

Oct 9 • Articles • 3 min read
Introduction Wireshark dissector for a proprietary protocol found on TP-Link Tapo cameras, dissecting device discovery packets on ports UDP/20002 and UDP/20004, as well as control and media stream packets on port TCP/8800 and keep-alive packets on ...
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Oct 8 • Dev Stories • 12 min read
📝 DEV STORY
Featuring:Kostas EreksonasKostas Ereksonas•Security Engineer & Cybersecurity Researcher
From Game Reverse Engineering to IoT Security — Kostas Ereksonas’s Developer Journey > “Having a community of like-minded individuals also helps tremendously.” Kostas Ereksonas's journey into cybersecurity began long before he had a formal securit...
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Sep 30 • Articles • 16 min read
Initial Discovery Using my custom Frida scripthttps://codeshare.frida.re/@KostasEreksonas/crypto-discovery/ for cryptographic method detection in Android applications, I captured Java Cipher class doing a decryption operation, along with it's stack...
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May 13 • Articles • 5 min read
A Wireshark dissector for DVRIP/Sofia protocol found on Xiongmai based IP cameras. Full working dissector code is available at a DVRIP analysis repositoryhttps://github.com/KostasEreksonas/DVRIPanalysis. Full writeup of a sample IP camera on which ...
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