crwnctl
crwnctl

_

Cybersecurity professional and aspiring penetration tester focused on writeups, labs, Linux systems, and practical security work.

Open to connect · Windsor, Ontario · Offensive + Defensive Security

Featured Writeups

CTF Solutions

Detailed technical walkthroughs of cybersecurity challenges.

2026-03-01

Bytemancy-0

Prompt asks for ASCII decimal 101 repeated side-by-side. Walkthrough covers why the check maps to 'eee' and how to solve quickly from source inspection.

picoCTFGeneral SkillsASCII

2026-03-02

Bytemancy-1

Byte-conjuring variant where user input must match \x65 repeated 1751 times. Covers translating the condition into the exact required payload.

picoCTFGeneral SkillsScripting

2026-03-05

My Git

Git-focused challenge: inspect repository contents, follow README instructions, and use basic Git/file operations to recover the flag.

picoCTFGeneral SkillsGit

2026-03-08

Printer Shares

SMB share enumeration using smbclient to locate exposed printer-share artifacts and recover the challenge file from a misconfigured network share.

picoCTFNetworkingSMBEnumeration

Projects & Labs

Security Work

Hands-on labs, investigations, and technical projects.

2026-03-01

CTF Writeups Archive

Structured breakdowns of CTF challenges covering reasoning, tooling, and lessons learned. Currently featuring picoCTF 2026 solutions.

CTFpicoCTFDocumentation

2026-04-15

Walls

Hyprland wallpaper automation with a curated wallpaper set and a Bash script that randomizes wallpapers using swww transitions.

BashHyprlandswwwLinux Automation

2026-01-01

TA Cybersecurity Labs

Comprehensive lab environment developed for Sterling Info Technologies. Includes SIEM workflows, Fail2Ban configs, red/blue team simulations, and attack scenario modeling.

SIEMFail2BanWazuhRed TeamBlue Team

Skills & Tools

Technical Toolkit

Technologies and concepts I work with regularly.

Offensive Security

nmapBurp SuitesqlmapMetasploitJohnhashcat

Defensive Security

WazuhFail2BantcpdumpWiresharkSIEMLog Analysis

Tools

LinuxGitDockerVirtualBoxKalitmux

Systems

Linux AdministrationBash ScriptingNetwork ConfigurationSystem HardeningProcess Tracing

Experience

Professional Background

Teaching assistant and cybersecurity practitioner.

Teaching Assistant — Cybersecurity

·Sterling Info TechnologiesJan 2026 – Apr 2026
  • Designed and maintained a full cybersecurity lab environment covering offensive and defensive techniques
  • Guided students through Linux administration, network analysis, and SIEM tooling (Wazuh, Fail2Ban)
  • Developed red/blue team simulation exercises and accompanying documentation
  • Provided one-on-one support for security tooling setup, scripting, and investigation workflows

Current Focus

What I'm Exploring

Areas of active learning and development.

Red teaming fundamentals and attack chain development

SIEM/detection engineering and log correlation

Advanced network analysis and packet forensics

Incident response and threat hunting workflows

Let's Connect

Interested in security work, collaboration, or just want to chat about cybersecurity? Feel free to reach out.