How to Elastic SIEM

How to Elastic SIEM

IT environments are becoming increasingly large, distributed and difficult to manage. All system components must be protected and monitored against cyber threats.

IT environments are becoming increasingly large, distributed and difficult to manage. All system components must be protected and monitored against cyber threats. You need a scalable platform that can store and analyze logs, metrics and events. SIEM solutions can cost a lot of money. In this story we will take a look at the free solution available in Elastic Stack, which is Elastic SIEM.

What will we use?

Elastic Stack is a set of components: Elasticsearch, Kibana, Logstash and Beats. Brief information about what is used in this story:

  • Elasticsearch — document database/search engine
  • Kibana —Data visualization dashboard for Elasticsearch
  • Filebeat — lightweight log collector (available modules)
  • Packetbeat — lightweight network protocol collector (and more)
  • Audibeat — a lightweight security event collector without the use of auditd
  • Winlogbeat — a lightweight event collector from Windows systems.

Environment

I’ve created 3 virtual machines on the Azure cloud:

  • ELK — Ubuntu 20.04 — Elasticsearch + Kibana
  • Ubuntu1 — Ubuntu 20–04 — Filebeat, Packetbeat, Auditbeat
  • Win10 — Windows 10 — Auditbeat, Packetbeat, Winlogbeat

Elasticsearch + Kibana installation

We’ll put a simple one node cluster. Here you can download Elasticsearch and Kibana deb files.

The installation:

sudo dpkg -i file_name.deb

security elasticsearch elastic-stack

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