A RAR file (Roshal Archive) is a proprietary format used for high-ratio data compression and error correction.
The file estern_external.rar appears to be a specialized resource adapter or a data archive related to external systems integration, likely within enterprise environments like . While specific public documentation for a file with this exact name is limited, it follows standard naming conventions for Resource Adapter Archive (RAR) files used to connect application servers to external enterprise information systems. Understanding the RAR File Format estern_external.rar
Attackers have recently exploited vulnerabilities in WinRAR, such as CVE-2025-8088 , to execute code by simply opening a malicious archive. A RAR file (Roshal Archive) is a proprietary