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BPFDoor - An Evasive Linux Backdoor Technical Analysis

May 11, 2022

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

May 04, 2022

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…

Sandfly 3.3 - Reporting, SSO, Veracode Certified, Suspicious IP Detection and More

April 26, 2022

Sandfly 3.3.0 has been released with major updates across the board. Some of the new features include: Single Sign-On (SSO) support Veracode Verified Reporting Configurable data retention period…

Leveling Up Your Linux Security

February 22, 2022

We get fan mail about Sandfly and how we've helped people, but we're even more excited when we get a fan blog post. A user of Sandfly writes about their experience from the perspective of a SOC…

Sandfly 3.2 - Base64 Linux Malware Payload Detection & New UI Views

January 31, 2022

Sandfly 3.2 features new threat detection modules for suspicious base64 payloads, suspicious processes and suspicious systemd behaviors. Plus, version 3.2 has new host and alert views along with…

Sandfly 3.1 Released - Secure Linux Faster Than Ever

December 16, 2021

Sandfly 3.1 offers major performance enhancements while reducing the resources needed to protect your Linux systems. Sandfly Fights CronRAT We have added in new checks for malware tactics used in…