Detection and Removal of the Syslogk Rootkit in a Linux Environment

Detection and Removal of the Syslogk Rootkit in a Linux Environment

1. Overview The AhnLab SEcurity intelligence Center (ASEC) continuously monitors various threats targeting Linux environments. Techniques that modify the Linux kernel to conceal malware and signs of compromise have been used for a long time, and Syslogk is one such rootkit that operates in this manner. This document provides an

Checking and Remediating Stealthy Malware, PurpleFox

Checking and Remediating Stealthy Malware, PurpleFox

PurpleFox was first discovered in 2018. The attacker hid the malware with a self-developed driver back then, but since 2019, they have been using the customized open-source program ‘Hidden.’ It was also found that the attacker tested the malware multiple times to add various features starting from the middle of