Cybersecurity, AI & Python Programming Blog

Cybersecurity blog featuring artificial intelligence projects, Python programming tutorials, CTF writeups, and security research by Mark LaCore.

SproutLogix Metadata Aggregator CTF: SSRF via Loopback Bypass

2026-05-23 12:00:00 9 min read

LevelUpCTF SproutLogix Heritage Metadata Aggregator SSRF writeup: bypass a localhost/127.0.0.1 string blocklist with a decimal-encoded loopback address (http://2130706433:5000/) to reach the internal heritage-vault endpoint.

Speakeasy Storage Audit CTF: NTFS Alternate Data Streams

2026-05-22 17:00:00 10 min read

Heritage Keycard CTF: ret2win Through PTY Bad Bytes

2026-05-22 12:00:00 14 min read

LevelUpCTF Heritage Keycard ret2win writeup: 64-byte gets() overflow, x86-64 alignment via ret gadget, and LNEXT-escaping PTY-mangled bytes (0x16, 0x12, 0x1a) through a socat-fronted target.

Silencing Windows 11: SCCM Configuration Item for Disabling Ads and Suggestions

2026-05-19 17:50:51 5 min read

Finally Clean: Silencing Windows 11 Suggestions

thanks

2026-05-19 17:20:10

This registry tweak from the Win11Debloat project is a great way to declutter your desktop. It helped me quickly disable unwanted suggestions in Windows 11.

Read more about it here: Finally Clean: Silencing Windows 11 Suggestions

A Great Resource for Getting Up to Speed Quickly

thanks

2026-05-19 02:04:12

Studying for my Technical license This video provides a clear, concise breakdown of the topic that I found very helpful. It is an excellent resource for anyone looking to master the basics.

Read more about it here: A Great Resource for Getting Up to Speed Quickly

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.

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

Split Horizon CTF: Joining a Kubernetes Pod Overlay from Outside

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.

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.

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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