Steven Estill Jr
Aspiring IT professional, Ethical Hacker, software hobbyist.
This is a collection of achievements, projects, and certificates.
Some a certificates from completing courses, from places like Cisco, HackTheBox, TryHackMe, Ec-Council and TCM-Security. Also including the writeups i've created so far.
My writeups: https://medium.com/@0x5t3v3n_55139/aoc-2025-day-6-malware-analysis-82a42c3161d1
https://medium.com/@0x5t3v3n_55139/advent-of-cyber-25-day-5-santas-little-idor-19a6534015a9
https://medium.com/@0x5t3v3n_55139/tryhackme-advent-of-cyber-day-4-dba6aa2f7696
https://medium.com/@0x5t3v3n_55139/advent-of-cyber-2025-day-3-splunk-basics-df1cfbd7c667
https://medium.com/@0x5t3v3n_55139/advent-of-cyber-day-2-phishing-merry-clickmas-433aa146f270
https://medium.com/@0x5t3v3n_55139/advent-of-cyber-2025-day-1-e113bbc0b821
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This is showing that out of 8000+ teams, my team and I placed 101 in the CTF. The challenges included code, crypto, reversing, webapp hacking and others.
This is showing that our team is ranked 56 in the competitive side of HackTheBox.
This shows my own personal rank and score. With all points referring to capturing flags. (Hacking either a windows or linux machine, and priv esc.)
This shows my Season 7 score. Being 1693 out of 9300, ranking from Bronze to Silver to Ruby, and capturing the flags. Requiring enumeration, research, exploitation, post-exploitation, etc.
In the Academy side, here are some of the achievements/badges i've acquired.
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Learning Process
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Network Enumeration with Nmap
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File Transfers
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Linux Fundamentals
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Web requests
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Metasploit Framework
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JavaScript Deobfuscation
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Attacking Web Applications
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Intro to Web Apps
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Pen Testing Process
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Cross-site Scripting(XSS)
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​Information Gathering
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Incident Handling Process
Write ups
TryHackMe's Silver Platter: https://medium.com/@0x5t3v3n_55139/thm-silver-platter-writeup-23198a0824db
TryHackMe's Whiterose: https://medium.com/@0x5t3v3n_55139/thm-whiterose-writeup-58f2058d9909
HackTheBox's Spookypass: https://medium.com/@0x5t3v3n_55139/htb-challenge-spookypass-f4dae411d846
Skills & Expertise
Some of the specific skills i've learned:
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Passive Recon
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Active Recon
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Information Gathering
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Vulnerability scanning
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Exploitation
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Post-exploitation
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Privilege escalation
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Kali Linux
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Metasploit​
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Web App hacking
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Enumeration
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Nmap
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Ffuf
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Google dorking
TryHackMe
This is the certificate of completion for TryHackMe's Advent of Cyber 2024. This was a 24 day long event, with a different cybersecurity challenge each day. The challenges included things like: WebApp Hacking, Reversing challenges, Coding, Kerberos, SOC.
In TryHackMe, some of the 55 completed rooms are: SQL Injection, Red Team, Subdomain Enumeration, Authentication Bypass, Defensive Security, OSINT, Linux, Windows, Active Directory, Malware Analysis, How Website Work, IDOR, DNS in Detail, Packets and Frames, Hashing, Cryptography, Tcpdump, Nmap.​
On the CTF side, i've completed "Mr Robot CTF", "TryHack3M: Bricks Heist", "The Sticker Shop", "Silver Platter", and "Whiterose".
Cisco Networking Academy
In this section, are two certificates of completion of two different courses from Cisco:
Intro to CyberSecurity
Ethical Hacker
TCM Security
EC-Council
