A Simple Linux. A Complete SIEM

You can download it for your test GitHub - eddiechu/Terminal-SIEM: Super light, super fast, unlimited search idea 

Reference:

A Simple Linux. | Eddie Chu

A Simple Linux. A Complete SIEM

Free TI feed for SIEM

There are several free TI feed for SIEM, you can follow those script to automatically download those data feed and import to the SIEM.

 

https://www.secjuice.com/threat-intelligence-siem-free

 

Beside, there are awesome-threat-intelligence on github https://github.com/hslatman/awesome-threat-intelligence

 

Reference:

Feed Your SIEM With Free Threat Intelligence Feeds

https://www.secjuice.com/threat-intelligence-siem-free

 

Free TI feed for SIEM