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Splunk ES Content Update

Splunk Built
Admins: Please read about Splunk Enterprise 8.0 and the Python 2.7 end-of-life changes and impact on apps and upgradeshere.
Overview
Details
The Splunk ES Content Update (ESCU) app delivers pre-packaged Security Content. ESCU provides regular Security Content updates to help security practitioners address ongoing time-sensitive threats, attack methods, and other security issues.

Security Content consists of tactics, techniques, and methodologies that help with detection, investigation, and response. Security Content enables security teams to directly operationalize detection searches, investigative searches, and other supporting details. ESCU can generate Notable Events in Splunk Enterprise Security. Security Content also contains easy-to-read background information and guidance, for key context on motivations and risks associated with attack techniques, as well as pragmatic advice on how to combat those techniques.

The analytic stories and their searches are also available at https://github.com/splunk/security-content.

For more information please visit the Splunk ES Content Update user documentation.

Release Notes

Version 1.0.52
March 18, 2020

Enterprise Security Content Updates v1.0.52 was released on March 18, 2020. It includes the following enhancements:

Fixed issues:
* CRL-1746 - Added filter macros for several detection searches
* CRL-1744 - Fixed empty macro unauthorize_dns_services_filter and typo in name for smb_traffic_spike_mltk_filter
* CRL-1742 - Fixed broken "Search Summary" panel in the "Content Library" dashboard
* Fixed various issues with search syntax in the following detections:
Detect Outlook.exe writing a zip file
Create or delete windows shares using net.exe
Disabling Remote User Account Control
First time seen command line arg
Processes created by netsh
Overwriting accessibility binaries
Registry Keys Used For Privilege Escalation
Remote Registry Key Modifications

Full documentation: https://docs.splunk.com/Documentation/ESSOC/1.0.52

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