malware

The persistence is ensured by copying a script similarly named as the current filename to the /usr/lib/systemd/system/ directory, and creating a symlink to this file in the /etc/ystem/system/multi-user.target.wants/ directory. Thus, this method only works if the current process has root privileges. The content of the script is: [Unit]Description=xxx[Service]Type=forkingExecStart=<path to current file> -xExecStop=/usr/bin/id[Install]WantedBy=multi-user.target After running the code dependent on the parameters, if the operator has not chosen a GUID with the “-f” parameter, the malware generates…

Technical perspectives Based on the arsenals and TTPs, we believe Earth Yako may be related to a number of existing groups. However, since we could only observe partial technical overlaps between Earth Yako and the following groups, we note that this is not our final attribution. We found the overlaps similar with the following groups: 1.      Darkhotel Darkhotel (a.k.a. DUBNIUM) is a threat actor observed to frequently target Japanese organizations in the past. Earth Yako’s…