The file can be identified by its hex signature (Magic Bytes). For RAR 5.0, this is 52 61 72 21 1A 07 01 00 . 2. Structural Components
how to find file info in not-first rar file? · Issue #56 · markokr/rarfile
A RAR archive of this type may contain several advanced features that would be the focus of a technical study:
When analyzing an unknown .rar file like "23371.rar," industry standards from providers like Avast and AVG suggest:
Using tools like WinRAR or 7-Zip to view the file list without executing scripts.