Logstash

Introduction I’ve been playing lately on analysis SSH bruteforce caracterization. I was a bit frustrated of just getting partial information: ulogd can give information about scanner settings suricata can give me information about software version sshd server logs shows username But having username without having the password is really frustrating. So I decided to try to get them. Looking for a SSH server honeypot, I did find kippo but it was going too far for me by providing a fake shell access. So I’ve decided to build my own based on paramiko. ...

Some progress on the JSON side Suricata 2.0-rc2 is out and it brings some progress on the JSON side. The logging of SSH protocol has been added: and the format of timestamp has been updated to be ISO 8601 compliant and it is now named timestamp instead of time. ...

Ulogd and JSON output In February 2014, I’ve commited a new output plugin to ulogd, the userspace logging daemon for Netfilter. This is a JSON output plugin which output logs into a file in JSON format. The interest of the JSON format is that it is easily parsed by software just as logstash. And once data are understood by logstash, you can get some nice and useful dashboard in Kibana: ...

Introduction logstash an opensource tool for managing events and logs. It is using elasticsearch for the storage and has a really nice interface named Kibana. One of the easiest to use entry format is JSON. Suricata is an IDS/IPS which has some interesting logging features. Version 2.0 will feature a JSON export for all logging subsystem. It will then be possible to output in JSON format: HTTP log DNS log TLS log File log IDS Alerts For now, only File log is available in JSON format. This extract meta data from files transferred over HTTP. ...