Tag: SANS Internet Storm Center, InfoCON: green

Usage of “passwd” Command in DShield Honeypots, (Fri, May 30th)

DShield honeypots [1] receive different types of attack traffic and the volume of that traffic can change over time. I've been collecting data from a half dozen honeypots for a little over a year to make comparisons. This data includes: …

SVG Steganography, (Mon, May 26th)

Didier recently published several diaries related to steganography. I have to admit that steganography isn't exactly my favorite topic. It is one of those “neat” infosec toys, but its applicability is limited. Data exfiltration usually does not require proper steganography,…

Researchers Scanning the Internet, (Tue, May 20th)

We have been using our data to identify researchers scanning the internet for a few years. Currently, we are tracking 36 groups performing such scans, and our data feed of the IP addresses used contains around 33k addresses [1]. …

RAT Dropped By Two Layers of AutoIT Code, (Mon, May 19th)

Like .Net, AutoIT[1] remains a popular language for years in the malware ecosystem. It's a simple language that can interact with all the components of the Windows operating system. I regularly discover AutoIT3 binaries (yes, it can be compiled). This…

xorsearch.py: Python Functions, (Sat, May 17th)

A couple years ago I published tool xorsearch.py for this diary entry: “Small Challenge: A Simple Word Maldoc – Part 4”. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: xorsearch.py: Python Functions,…