Power of OSSEC By Donovan Thorpe CS 5910 Fall 2010.

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Presentation transcript:

Power of OSSEC By Donovan Thorpe CS 5910 Fall 2010

CS dthorpe - OSSEC What is OSSEC OSSEC History Host-based Intrusion Detection System Open Source Multi-platform

CS dthorpe - OSSEC Installation Types Local Server Agent and Agent-less

CS dthorpe - OSSEC OSSEC features System Integrity Checking Rootkit Detection Log Analysis Active Response

CS dthorpe - OSSEC Integrity Checking syscheck checks: md5sum, sha1sum, size, owner, group, perms realtime option for directories

CS dthorpe - OSSEC Rootkit Detection Looks for known rootkits Scans filesystem looking for unusual files and permissions Looks for hidden ports Looks for promiscuous mode on all interfaces

CS dthorpe - OSSEC Log Analysis File Monitoring Process Monitoring search the output of a command df -h based on when the output changes netstat -tan |grep LISTEN|grep -v

CS dthorpe - OSSEC Output and Alerts syslog database

CS dthorpe - OSSEC Active Response Based on an alert run a command hosts deny firewall drop route null

CS dthorpe - OSSEC Comparison CISCO Security Agent Symantec Client Security Tripwire

CS dthorpe - OSSEC Enhancements Recursive optional or blocking Realtime options for files More inotify event codes Per entry of inotify

CS dthorpe - OSSEC Resources Main web site Mailing lists Books Web interface and Plugins

CS dthorpe - OSSEC Q & A Questions ???