FTP STOR Command Transferring Sensitive File Extensions to External

Ankit Mehta@Secvyn

•updated Jun 30, 2026•0•0•2

Detects the use of the FTP STOR command to transfer files with sensitive extensions (.docx, .pdf, .xlsx, .zip, .7z) to external networks. This behavior is indicative of potential data exfiltration via an unencrypted alternative protocol.