: The IETF (Internet Engineering Task Force) has a draft series known as OAuth RAR (Rich Authorization Requests). While "23" and "17" appear in its versioning (e.g., version 23 was active in early 2023), it is a coincidence of numbering rather than a direct file name.
: Ensure you are using WinRAR version 6.23 or later to protect against known execution bugs. Do you have a specific file you are trying to identify, or Companies Registry External Circular No. 5 / 2023 231217 rar
: Regulatory bodies like Companies House (UK) or the Companies Registry (HK) often issue circulars or document templates around specific dates. A document from December 2023 might be archived under such a naming convention for internal tracking. Safety Warning : The IETF (Internet Engineering Task Force) has
: During late 2023, security researchers were actively monitoring exploits related to CVE-2023-38831 , a critical vulnerability in WinRAR that allowed hackers to execute malicious code via spoofed archive files. Files with date-stamped names are often used in phishing campaigns or as proof-of-concept (PoC) samples for such vulnerabilities. Do you have a specific file you are
If you have found a file named 231217.rar on your computer or in an email: if the source is unknown.
with updated antivirus software, as RAR files were a primary vector for malware distribution (like DarkMe or Remcos RAT ) throughout 2023.