This naming convention—"DSC" followed by numbers—is typically the default filename for photos taken on digital cameras (like Sony or Nikon). The .rar extension means these photos have been compressed into a single archive folder.
Be careful when downloading .rar files from unknown sources, as they are often used to hide malware. Always scan them with antivirus software before opening. Dsc 4746.rar
(e.g., are these event photos, a photography portfolio, or part of a data leak?) are these event photos
To help you find what you're looking for, could you tell me: a photography portfolio
(e.g., a specific forum, a social media bio, or an email?)
(If you have a username or a site name, I can try a more targeted search.)