: Look for unusual PowerShell activity or unauthorized cmd.exe spawns originating from common archive software (like WinRAR or 7-Zip).
: Add the specific filename RUS-129.7z to your email security blocklist.
The contents of RUS-129.7z generally follow a specific infection chain designed to bypass traditional security filters:
The "RUS-129" naming convention is frequently used in campaigns targeting organizations or individuals monitoring Russian military movements or diplomatic relations. These archives are often "spoofed" to look like official correspondence from the Ministry of Defense or related state entities.
: Consider blocking .7z and .rar attachments from external sources if they are not standard for your business operations.
