Security News > 2021 > April > Stealthy Linux backdoor malware spotted after three years of minding your business

Chinese security outfit Qihoo 360 Netlab on Wednesday said it has identified Linux backdoor malware that has remained undetected for a number of years.
An MD5 signature for the file systemd-daemon first showed up in VirusTotal back on May 16, 2018 without the detection of any known malware.
Netlab has dubbed the malware family RotaJakiro because it uses encryption with a rotate function and has different behavior depending on whether it's running on a root or non-root account.
The malware makes an effort to conceal itself by using multiple encryption algorithms.
The malware is not an exploit; rather it's a payload that opens a backdoor on the targeted machine.
At least the malware is starting to get noticed by antivirus software.
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