Chang T
Author at Udemy
Mexicali, Baja California, Mexico
Summary
🤩
Rockstar🎓
Top SchoolChang T is a seasoned cybersecurity engineer and author with nine years of experience specializing in exploit development, reverse engineering, and evasive malware tradecraft. Based in Mexicali, he teaches exploit development for platforms like StationX, EC-Council and Udemy, and authored "Ultimate Cyberwarfare for Evasive Cyber Tactics" alongside a wireless hacking cookbook. A four-time National Cyber League champion, he builds practical offensive tooling—his EXOCET AV-evasion repo demonstrates in-memory execution, AES-GCM payload delivery, and process injection implemented in Go. He has commercial experience protecting proprietary code under NDA as a senior engineer, runs a SOHO-focused incident response consultancy, and contributes widely to open-source offensive security projects. Notably, his background blends formal finance and accounting education with deep technical craft, giving him a pragmatic, adversary-aware approach to secure system design and threat analysis.
9 years of coding experience
9 years of employment as a software developer
Certified for Python for Security Professionals, Studies Ethical Hacking, CH Forensic Investigator, Federal Law, Certified for Python for Security Professionals, Studies Ethical Hacking, CH Forensic Investigator, Federal Law at CybraryMobile Web Specialist, Cybersecurity, Intermediate Level Scholarship, Mobile Web Specialist, Cybersecurity, Intermediate Level Scholarship at UdacityGIAC Security Expert Prerequisite Studies, GIAC Security Expert Prerequisite Studies at SANS Technology InstituteAWS Certified, Cloud Information Technology, AWS Certified, Cloud Information Technology at Linux AcademyMCD - Certified Code Deobfuscation Specialist, Computer and Information Systems Security/Information Assurance, Novice Certified, MCD - Certified Code Deobfuscation Specialist, Computer and Information Systems Security/Information Assurance, Novice Certified at Mossé Cyber Security InstituteExploit Development, Various Programming Languages (C, Go, Java, NodeJS), Exploit Development, Various Programming Languages (C, Go, Java, NodeJS) at UdemyBachelor of Science - BS, Finance, Bachelor of Science - BS, Finance at University of Nevada-Las VegasAccounting, Accounting at Truckee Meadows Community CollegeMarketing, 3.50 GPA, Marketing, 3.50 GPA at University of Nevada-RenoThe University of ArizonaOffensive Security Exploit Developer Prerequisite Studies (Not earned yet), Offensive Security Exploit Developer Prerequisite Studies (Not earned yet) at Offensive SecurityAccounting, Accounting at College of Southern Nevada
German, Portuguese, Chinese, Spanish, Chinese, Korean, Japanese, Russian, English
Github Skills (12)
code-injection10
shellcode10
eval10
injection10
go10
inject10
cryptography10
aes10
security10
reverse-engineering9
dockers3
docker3
Programming languages (11)
Github contributions (5)
tanc7/EXOCET-AV-Evasion
Jul 2020 - Aug 2022
EXOCET - AV-evading, undetectable, payload delivery tool
Role in this project:
Security Engineer
Security EngineerContributions:37 commits, 26 pushes, 1 branch in 2 years 1 month
Contributions summary:Chang's contributions center around developing an AV-evading payload delivery tool. They implemented encryption and decryption functionality using Go, leveraging AES in Galois/Counter Mode. The user also developed a Go program that acts as a dropper, utilizing the `go-memexec` library for in-memory execution and injecting shellcode into target processes. The user is primarily focused on building tools for security research and evasion.
undetectablepayloadmethodology
tanc7/idiotproofedcommands
Apr 2022 - Dec 2022
Contributions:31 commits, 28 pushes, 1 branch in 7 months
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