Visa Payment Systems Intelligence recently announced that cybercriminals are threatening the payments ecosystem by leveraging a vulnerable Microsoft Dynamic Data Exchange protocol in phishing campaigns. This phishing attack relies on the Dynamic Data Exchange (DDE) protocol for infection instead of the usual malicious macros or an exploit kit. FortiGuard Labs has issued three IPS signatures that defend our customers against these attacks.
Article Link: https://blog.fortinet.com/2017/11/17/cybercriminals-exploiting-microsoft-s-vulnerable-dynamic-data-exchange-protocol