Enterprise Security Content Update (ESCU) v3.56.0

[cwopat]

The Splunk Threat Research Team (STRT) recently released Enterprise Security Content Update (ESCU) app v3.55.0 and v3.56.0. With these releases, there are 25 new detections and 3 new analytic stories now available to help you stay ahead of threats. These detections are available now in Splunk Enterprise Security via the ESCU application update process or via Splunk Security Essentials (SSE).

Release highlights include:

• Identifying mechanisms within Microsoft Internet Information Services (IIS) exploited by adversaries for malicious purposes 
• Detections to monitor unusual activities that are related to Prestige Ransomware activity 
• Detections to identify a variety of Windows post-exploitation tools such as winpeas.bat, winpeas.exe, WinPrivCheck.bat typically used to gain privileges and persistence across assets running the Windows Operating System.

New Detections: 

• Windows Disable Windows Event Logging Disable HTTP Logging
• Windows IIS Components Add New Module
• Windows IIS Components Get-WebGlobalModule Module Query
• Windows IIS Components Module Failed to Load
• Windows IIS Components New Module Added
• Windows PowerShell Disable Windows Event Logging Disable HTTP Logging
• Windows PowerShell IIS Components WebGlobalModule Usage
• Windows Modify Registry Reg Restore
• Windows Query Registry Reg Save
• Windows System User Discovery Via Quser
• Windows WMI Process and Service List
• Windows Cached Domain Credentials Reg Query
• Windows ClipBoard Data via Get-ClipBoard
• Windows Credentials from Password Stores Query
• Windows Credentials in Registry Reg Query
• Windows Indirect Command Execution Via Series of Forfiles
• Windows Information Discovery Fsutil
• Windows Password Managers Discovery
• Windows Private Keys Discovery
• Windows Security Support Provider Reg Query
• Windows Steal or Forge Kerberos Tickets Klist
• Windows System Network Config Discovery Display DNS
• Windows System Network Connections Discovery Netsh
• Windows Change Default File Association for No File Ext
• Windows Service Stop Via Net and SC Application

New Analytic Stories: 

• IIS Components
• Prestige Ransomware
• Windows Post-Exploitation

For all our tools and security content, please visit research.splunk.com.

— The Splunk Threat Research Team