Daemon to ban hosts that cause multiple authentication errors
OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
Wazuh - Project documentation
Wazuh - Tools for packages creation
A mixed repository of Powershell scripts...
Simple & efficient log file scanning and iptable filtering
Spark Application for analysis of Apache Access logs and detect anamolies! Along with Medium Article.
Official OSSEC docker container
Python 3 script for analyzing Apama correlator log files and extracting useful diagnostic information