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InfoSec Articles (01/04/2022 – 01/17/2022)

Over the past two weeks, we saw the operators of the SFile ransomware (aka Escal) have developed a Linux version of their malware to expand their operations. SFile ransomware (aka Escal), has been active since 2020, it was observed targeting only Windows systems....

InfoSec Articles (12/21/2021 – 01/04/2022)

Over the past two weeks, we saw that AvosLocker is a relatively new ransomware-as-a-service. The Sophos Rapid Response team has so far seen AvosLocker attacks in the Americas, Middle East, and Asia-Pacific, targeting Windows and Linux systems. In addition, we also saw...

InfoSec Articles (12/07/2021 – 12/20/2021)

Over the last two weeks, we saw the ten families of malicious samples are spreading using the Log4j2 vulnerability Now. NetLab published a blog disclosing Mirai and Muhstik botnet samples propagating through Log4j2 RCE vulnerability. You will also find here the...

InfoSec Articles (11/23/2021 – 12/06/2021)

Over the last 2 weeks we saw A new parasitic malware targets the popular Nginx web server, Sansec discovered. This novel code injects itself into a host Nginx application and is nearly invisible. Sansec also discovered a sophisticated threat that is packed with...

InfoSec Articles (11/8/2021 – 11/22/2021)

Over the past 2 weeks, we observed a QAKBOT operators resumed email spam operations towards the end of September after an almost three-month hiatus. The Federal Bureau of Investigation (FBI) email servers were hacked to distribute spam email impersonating FBI warnings...

InfoSec Articles (10/26/2021 – 11/8/2021)

Over the last two weeks, we observed a new threat referred to as “SQUIRRELWAFFLE” is being spread more widely via spam campaigns, infecting systems with a new malware loader. In addition, Black Friday, one of the biggest retail spending days of the year, is fast...