Blogs
Technical notes from this site plus external writing on Qiita and Zenn.
Writing sources
Follow the same Windows, C#, and reverse engineering notes across platforms.
0x5BFA.dev
June 10, 2026June 7, 2026February 6, 2026
How Font Folder View Works
Reverse engineering why C:\Windows\Fonts does not look like a normal Explorer folder, and how its font thumbnails are produced.
How Explorer resolves address bar input
Reverse engineering how Explorer turns typed address bar text like C:\Windows and shell:Downloads into PIDLs.
How pinning/unpinning a folder works
Deep dive into RE'ing the functionality of pinning a folder to Quick Access with IDA Pro.