A RAR file (Roshal Archive) is a proprietary format used for high-ratio data compression and error correction.
In environments like IBM Business Process Manager or WebSphere, RAR files often contain "resource adapters" that allow software to communicate with external databases or flat files. Security Considerations for estern_external.rar
Malicious RAR files often contain hidden .exe , .dll , or .lnk files designed to compromise a system once extracted.
