"description":"This object is deprecated as its content has been merged into the enterprise domain. Please see the [PRE](http://attack.mitre.org/matrices/enterprise/pre/) matrix for its replacement. The prior content of this page has been preserved [here](https://attack.mitre.org/versions/v7/tactics/TA0024/).\n\nBuilding capabilities consists of developing and/or acquiring the software, data and techniques used at different phases of an operation. This is the process of identifying development requirements and implementing solutions such as malware, delivery mechanisms, obfuscation/cryptographic protections, and call back and O&M functions.",