Posts Tagged ‘Elastic stack’

Filebeat on a Raspberry Pi

I’ve recently revamped my home network security monitoring. Currently I’m capturing and streaming all network traffic on my MikroTik router’s outside interface to a remote sensor, namely a Raspberry Pi 4 with 4 GB RAM running Suricata IDS. Suricata’s log is read by Elastic’s Filebeat and shipped to an Elasticsearch instance, making the data available […]

Control code usernames in telnet honeypot

By running a Cowrie honeypot, I’m gathering interesting information about various kinds of exploits, vulnerabilities, and botnets. Upon a discovery of a new Linux-based vulnerability – often targeting network routers, IoT devices, and lately many IP camera products – the botnets will usually come in waves, testing the new exploits. The honeypot logs everything the […]