Checking for data hidden inside city save files or game textures (common in games like SimCity 4 ).
Knowing the source of the file will help in providing a more detailed step-by-step guide. SimCity.rar
Based on the most likely scenarios, here is a write-up structure for investigating such an archive: 1. Checking for data hidden inside city save files
Using tools like file or ExifTool to verify it is actually a RAR archive and not a renamed executable. SimCity.rar
In a modern security write-up, SimCity.rar would be treated as a "lure" used to trick users into downloading a malicious payload. Hashes: MD5/SHA256 identification.