Category: SANS Internet Storm Center, InfoCON: green

The Danger of IP Volatility, (Sat, Feb 15th)

What do I mean by “IP volatility”? Today, many organizations use cloud services and micro-services. In such environments, IP addresses assigned to virtual machines or services can often be volatile, meaning they can change or be reassigned to other organizations…

Fake BSOD Delivered by Malicious Python Script, (Fri, Feb 14th)

I found a Python script that implements a funny anti-analysis trick. The script has a low score on VT (4/59) (SHA256:d716c2edbcdb76c6a6d31b21f154fee7e0f8613617078b69da69c8f4867c9534)[1]. This sample attracted my attention because it uses the tkinter[2] library. This library is used to create graphical user interfaces (GUIs). It…

DShield SIEM Docker Updates, (Thu, Feb 13th)

Over the past several weeks, I have been testing various enhancements to the DShield SIEM, to process DShield sensor log from local and cloud sensors with Filebeat and Filebeat modules to easily send Zeek and NetFlow logs back to a…