Linux kernel process masquerading is sometimes used by malware to hide when it is running. Let’s go over how you can unmask a piece of Linux malware using this tactic. What is Linux Kernel Process …
READ MOREDetecting Linux Kernel Process Masquerading with Command Line Forensics
Sandfly 2.5.2 has been released and now allows you to set the priority of scans on remote hosts to limit processor impacts. It also expands coverage for command line web server detection, flags more port …
Sandfly 2.5.0 has been released and features a 5-10X boost in investigation speed, lower CPU impacts during investigations and support for SSH key certificates. Of course, we’ve added more agentless Linux intrusion detection and threat …
READ MORESandfly 2.5.0 – Higher Performance, SSH Key Certificates and More Linux Forensics
Sandfly 2.4.0 has been released with major new features. We have boosted our Linux intrusion detection and incident response signatures to over 700. We have also begun building out the ability to detect advanced process …
READ MORESandfly 2.4.0 – Splunk Support, Reconnaissance, Process Injection Detection and Containers
Increasingly on Linux we are seeing malware deploying anti-detection and evasion tactics. In this post we’re going to go over a recent piece of malware that used a commonly available tool for hiding itself. We’ll …
READ MOREHow To Decloak Stealth Linux Cryptocurrency Mining Malware
We’re releasing an open source tool today called sandfly-filescan. Sandfly-filescan allows Linux admins and incident responders to quickly scan for compressed or encrypted executable files often linked to malware. sandfly-filescan is a utility to quickly …
READ MORESandfly Filescan Open Source File Entropy Scanner for Linux
Sandfly 2.3.3 has been released. We’ve put in more methods to help spot packet sniffers and suspicious immutable files common with malware. Plus, this version has a bug fix for a problem where hosts were …
READ MORESandfly 2.3.3 – More Linux Sniffer and Immutable File Detection
Sandfly 2.3.2 has been released. It includes new capabilities to detect a variety of Linux network packet sniffers, plus has internal optimizations that have improved process forensic performance up to 600%. Linux Network Packet Sniffer …
READ MORESandfly 2.3.2 – Linux Packet Sniffer Detection and Faster Process Forensics
Sandfly 2.3 is now released. This version features many changes to improve performance, updates the custom Sandfly syntax, eliminates false alarms and migrates to Elasticsearch 7. Performance Enhancements The backend has been made significantly faster …
READ MORESandfly 2.3 – Performance Updates, Elasticsearch 7 Support and More