Malware
Using Linux Process Environment Variables for Live Forensics
In this post and video we’re going to explore the Linux /proc directory further by digging into a live process and the environment variables it presents. The basic format for the command we’ll use is…
Using Command Line Tools to Find Process Masquerading Linux Malware
In this video Sandfly founder Craig Rowland goes over the basics behind using command line tools on Linux to look into a suspicious process. You’ll learn how to start a benign process and have it…
Why You Must Monitor Linux for Signs of Intruders
When Sandfly Founder Craig Rowland was brought in to do his first penetration test many years ago, one of the first systems he broke into was a Unix system that had an uptime of four years. The box…
Hunting for Linux Intrusion Tactics is Better than Searching for Exploit Signatures
When the NSA and CIA source code leaked a couple years back, Sandfly founder Craig Rowland ignored the zero day attacks they had and studied their tactics in the code instead. In this video he’ll…
Why You Should Be Searching for Linux Anti-Forensics
In this video Sandfly founder Craig Rowland discusses why it's important to hunt for anti-forensics on Linux. Anti-forensics are techniques intruders and malware use on Linux hosts to conceal their…
Linux Malware Cryptominer Detection and Forensics
This year we have seen a huge uptick in cryptomining malware against Linux servers. The usual attack vector is the following: A brute force attack against SSH accounts. Automated install of a pre…