Malware

Linux Stealth Rootkit Process Decloaking Tool Updated

Linux Forensics
Rootkits
Malware
November 21, 2022

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

Malware
Linux Security
Linux Forensics
June 30, 2022

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

Malware
Linux Forensics
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

Embedded Linux
Malware
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…

Log4j Kinsing Linux Stealth Malware in the Wild

Malware
Linux Security
Linux Forensics
December 14, 2021

A severe vulnerability in the popular Java Log4j package ( CVE-2021-44228 ) allows remote code execution on Linux and other platforms. Within about a day of being publicized, the cryptomining malware…

Linux Stealth Rootkit Malware with EDR Evasion

Malware
Rootkits
Linux Forensics
Linux Security
November 28, 2021

Recently, Sandfly was contacted to investigate an incident involving a novel piece of Linux stealth malware. What made this malware interesting is it deployed a full stealth rootkit to hide itself,…