: Groups like RomCom have exploited these vulnerabilities to deliver backdoors such as "SnipBot" and "RustyClaw" to financial and defense sectors.
: A significant "zero-day" vulnerability was discovered in WinRAR in July 2025. This path traversal flaw allows attackers to hide malicious files within an archive that are silently deployed to sensitive locations (like the Windows Startup folder) when the user extracts the file. hope.rar
The use of .rar archives in cyberattacks has grown, recently surpassing Microsoft Office documents as the most common method for delivering malware. : Groups like RomCom have exploited these vulnerabilities
: Attackers often use password-protected .rar files to prevent antivirus software from scanning the contents, tricking users into manually bypassng security. tricking users into manually bypassng security.