Telemetry/Logging Information

tonystark

Data Sensors Available:

  • Window Event Logs (Application, Security, System, Setup)
    • Security events are being configured/audited via GPO.
  • Sysmon
    • Configuration is being pulled from Olaf Hartong’s sysmon-modular project
  • Zeek
    • Logs are stored within the Marvel-Lab directory you created under: Marvel-Lab/Logging/splunk/zeek/zeek-logs
  • OSQuery (Mac and Windows)

Analytic Platforms:

  • Splunk
    • We recommend getting the Developer License Splunk offers and applying it within this lab due to the robustness of logs being collected.
  • Jupyter Notebooks

Current data sources being shipped to Splunk:

  • Windows Events (Window Event Logs (Application, Security, System, Setup) (Windows Workstations)
  • Sysmon (Windows Workstations)
  • Zeek
  • OSQuery (Windows/MacOS Workstations)

Splunk Universal Forwarder:

The Forwarder currently has some exclusions set within the inputs.conf. These can be found below:

Event ID 4688:

blacklist1=EventCode="4688" Message="New Process Name:\s*(?i)(?:[C-F]:\\Program Files\\Splunk(?:UniversalForwarder)?\\bin\\(?:btool|splunkd|splunk|splunk\-(?:MonitorNoHandle|admon|netmon|perfmon|powershell|regmon|winevtlog|winhostinfo|winprintmon|wmi|optimize))\.exe)"

Rule was borrowed from: https://gist.github.com/automine/a3915d5238e2967c8d44b0ebcfb66147

Event ID 4689:

blacklist2=EventCode="4689" Message="Process Name:\s*(?i)(?:[C-F]:\\Program Files\\Splunk(?:UniversalForwarder)?\\bin\\(?:btool|splunkd|splunk|splunk\-(?:MonitorNoHandle|admon|netmon|perfmon|powershell|regmon|winevtlog|winhostinfo|winprintmon|wmi|optimize))\.exe)"

Rule was borrowed from: https://gist.github.com/automine/a3915d5238e2967c8d44b0ebcfb66147

Event ID 5156:

blacklist3=EventCode="5156"  Message="(?ms)Application\sName:\s.*\\windows\\system32\\svchost.exe."