# Dynamic Data Exchange MITRE ATT&CK Technique: [T1173](https://attack.mitre.org/wiki/Technique/T1173) ### Microsoft Word Open, Insert tab -> Quick Parts -> Field Choose = (Formula) and click ok. After that, you should see a Field inserted in the document with an error “!Unexpected End of Formula”, right-click the Field, and choose Toggle Field Codes. The Field Code should now be displayed, change it to Contain the following: {DDEAUTO c:\\windows\\system32\\cmd.exe "/k calc.exe" }