Ivan Nikolskiy
Intern at EntySec
Carlow, Ireland
Summary
🤩
Rockstar🎓
Top School
Top expert inCybersecurity and Penetration Testing Tools
Ivan Nikolskiy is a 3rd-year Cybersecurity student and founder of EntySec, combining six years of hands-on security engineering with a track record of shipping widely used open-source penetration-testing tools like HatSploit, SeaShell and Ghost (collectively 5,000+ stars). He builds low-level payloads in C and assembly, contributes cross-platform embedded code, and has deep practical experience in Android post-exploitation and attack surface tooling. A repeat CTF champion (ZeroDays 2024 & 2025) and speaker at PHDays and Offzone, he pairs competitive offensive skills with public research and community-driven projects. Currently interning in Attack Surface Management at Unum Ireland, he previously led a student discovery platform (Cohort) and continues to blend product-focused development with security research.
6 years of coding experience
1 year of employment as a software developer
Polycent Robotics SchoolMoscow School of ProgrammingMoscow Private school (Petrovskaya)Moscow Lyceum №1575Bachelor of Science - BS Cybercrime & IT Security, Bachelor of Science - BS Cybercrime & IT Security at South East Technological University
Russian, English
Github Skills (19)
python10
post10
hacking10
c1110
microcontroller10
c1710
scripting-language10
exploit10
exp10
android10
embedded10
kali-linux10
adb10
scripting9
multiplatform9
Programming languages (15)
Github contributions (5)
EntySec/Ghost
Apr 2021 - Jul 2022
Ghost Framework is an Android post-exploitation framework that exploits the Android Debug Bridge to remotely access an Android device.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 releases, 312 commits, 52 PRs in 1 year 3 months
Contributions summary:Ivan's contributions primarily revolve around the development and maintenance of the Ghost Framework, an Android post-exploitation tool. They modified core files related to file transfer, server configurations, and shell interactions. The user implemented modules for managing device interactions, along with creating modules for device interaction. They also updated setup and update scripts to facilitate the installation and maintenance of the framework.
xposedandroid-hackingandroid-debugratbackdoor
berry-lang/berry
Jun 2020 - Jul 2020
A ultra-lightweight embedded scripting language optimized for microcontrollers.
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:6 commits, 6 PRs, 27 comments in 4 days
Contributions summary:Ivan primarily focused on modifying the `berry.c` file, a core component within the berry scripting language. Their contributions centered around adapting the code for different operating systems (Windows, Unix, Darwin), including changes to file paths and platform-specific configurations. The user demonstrated an understanding of cross-platform compatibility and made adjustments related to file system interactions. Additionally, they modified a core library file, indicating involvement in the language's fundamental functionality.
berryscriptingembedded-scripting-languagerustultra
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