Mark LaCore Mark LaCore mark@nerdymark.com

Senior Software Engineer. Python, cybersecurity, robotics, and CTF challenges.

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ConfigMonkey Saved My Windows Server Licensing Headache

  • thanks
2026-05-18 17:26:57
This guide provides a clever workaround for greyed-out RDS license revocation issues. It saved me a ton of time by showing how to reset the database properly.
ConfigMonkey Saved My Windows Server Licensing Headache

Read more about it here: ConfigMonkey Saved My Windows Server Licensing Headache

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Mark LaCore

Split Horizon CTF: Joining a Kubernetes Pod Overlay from Outside

  • ctf
2026-05-04 12:00:00 22 min read
Split Horizon CTF writeup: joining a flannel VXLAN overlay from a low-privilege Kubernetes bastion to reach a hidden Service the API won't list.
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Mark LaCore

Mac Screensaver: 52 Generative Scenes, Native Swift, Free

  • technology
2026-04-25 18:09:10 4 min read
Free notarized macOS screensaver bundling 52 generative scenes — plasmas, cellular automata, agent simulations, demoscene effects, and auto-playing classic games. Pure Swift + Core Graphics.
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Mark LaCore

RDP Lottery - Network Scanner with Casino-Themed UI

  • technology
2026-04-18 18:56:49 3 min read
A local network scanner with a casino-themed web UI — discovers RDP and VNC servers, checks auth, and captures screenshots of unauthenticated desktops.
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Mark LaCore

LinkedInalyzer - AI-Powered LinkedIn Feed Cleanup Tool

  • technology
2026-04-18 18:56:49 3 min read
Analyze your LinkedIn feed for political content and AI slop with Gemini, then decide who to unfollow or disconnect through a dashboard.
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Mark LaCore

Pokemon Sleep Roster Analyzer - New Moon Day Support for Darkrai

  • gaming
2026-04-16 19:37:04 2 min read
Added a New Moon Day toggle to the Pokemon Sleep Roster Analyzer - guarantee Darkrai on every suggested team during the monthly event.
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Mark LaCore

Happy Birthday S3 CTF Challenge Writeup

  • ctf
2026-04-14 12:00:00 18 min read
Multi-service AWS exploitation chain: account ID enumeration via s3recon, SNS StringLike policy bypass, and os.path.join path traversal to read the flag from a private S3 bucket.
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Mark LaCore

X/Twitter API is Now Pay-to-Play - Why I Disabled Cross-Posting

  • technology
2026-03-23 17:53:21 5 min read
Attempted to implement automated cross-posting to X/Twitter and hit a wall of 403s, ghost projects, and a 402 paywall. Here's what happened.
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Mark LaCore

Hardle Solver - Bulls and Cows Word Puzzle Helper

  • gaming
2026-03-16 18:24:17 2 min read
Built a Hardle solver companion tool for the Bulls and Cows style word puzzle. Enter guesses, set correct and misplaced counts, and narrow down candidates from 12,000+ words.
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Mark LaCore

Wordle Solver - Interactive Puzzle Helper

  • technology
2026-03-01 18:01:40 1 min read
New interactive Wordle solver that helps you crack the daily puzzle with live word suggestions, color-coded tile input, and smart filtering.
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Mark LaCore
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