Software Configuration
Implement configuration changes to software (other than the operating system) to mitigate security risks associated to how the software operates.
Techniques Addressed by Mitigation
| Domain | ID | Name | Description |
|---|---|---|---|
| Enterprise | T1173 | Dynamic Data Exchange |
Consider disabling embedded files in Office programs, such as OneNote, that do not work with Protected View.[1][2] |
| Enterprise | T1054 | Indicator Blocking |
Consider automatically relaunching forwarding mechanisms at recurring intervals (ex: temporal, on-logon, etc.) as well as applying appropriate change management to firewall rules and other related system configurations. |
| Enterprise | T1130 | Install Root Certificate |
HTTP Public Key Pinning (HPKP) is one method to mitigate potential man-in-the-middle situations where and adversary uses a mis-issued or fraudulent certificate to intercept encrypted communications by enforcing use of an expected certificate.[3] |
| Enterprise | T1137 | Office Application Startup |
For the Office Test method, create the Registry key used to execute it and set the permissions to "Read Control" to prevent easy access to the key without administrator permissions or requiring Privilege Escalation.[4] |
| Enterprise | T1504 | PowerShell Profile |
Avoid PowerShell profiles if not needed. Use the |
| Enterprise | T1539 | Steal Web Session Cookie |
Configure browsers or tasks to regularly delete persistent cookies. |
| Enterprise | T1535 | Unused/Unsupported Cloud Regions |
Cloud service providers may allow customers to deactivate unused regions.[5] |
| Enterprise | T1506 | Web Session Cookie |
Configure browsers or tasks to regularly delete persistent cookies. |
References
- Nelson, M. (2018, January 29). Reviving DDE: Using OneNote and Excel for Code Execution. Retrieved February 3, 2018.
- Dormann, W. (2017, October 20). Disable DDEAUTO for Outlook, Word, OneNote, and Excel versions 2010, 2013, 2016. Retrieved February 3, 2018.
- Wikipedia. (2017, February 28). HTTP Public Key Pinning. Retrieved March 31, 2017.