Malware
Active vs. Dormant Attacks on Linux: Don't Neglect Either!
Linux is the dominant operating system of the Internet. When it comes to detecting attacks against this platform however, there is a large focus spent on finding active attacks, but relatively little…
SSH Key Compromise Risks and Countermeasures
When it comes to securing Linux systems, Secure Shell (SSH) has been one of the most dependable tools at a sysadmin's disposal. However, with every technology solution, there are potential pitfalls…
Linux Stealth Rootkit Process Decloaking Tool Updated
Decloaking Linux stealth rootkits that are hiding processes from view is easy with our free tool sandfly-processdecloak which has been updated below: sandfly-processdecloak on Github This free tool…
Sandfly Linux File Entropy Scanner Updated
Our entropy scanner sandfly-filescan has been updated and renamed to sandfly-entropyscan and now features Linux process scanning to help quickly spot packed and encrypted malware. You can get it…
BPFDoor - An Evasive Linux Backdoor Technical Analysis
Recently Kevin Beaumont revealed a new evasive backdoor targeting Linux associated with the Chinese Red Menshen threat actors. In his article he reveals that this backdoor has been operating globally…
Security Monitoring for Threats on Embedded Linux
A new report from Mandiant entitled: Eye Spy on Your Email details a series of sophisticated attacks against embedded network devices often running Linux. In particular, the report states (emphasis…