Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /etc/init.d/dnsconfig
- /var/spool/cron/crontabs/root
Creates or modifies the following symlinks:
- /etc/rc0.d/S99dnsconfig
- /etc/rc1.d/S99dnsconfig
- /etc/rc2.d/S99dnsconfig
- /etc/rc3.d/S99dnsconfig
- /etc/rc4.d/S99dnsconfig
- /etc/rc5.d/S99dnsconfig
- /etc/rc6.d/S99dnsconfig
- /etc/rc0.d/S99dnsconfigs
- /etc/rc1.d/S99dnsconfigs
- /etc/rc2.d/S99dnsconfigs
- /etc/rc3.d/S99dnsconfigs
- /etc/rc4.d/S99dnsconfigs
- /etc/rc5.d/S99dnsconfigs
- /etc/rc6.d/S99dnsconfigs
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
- (sd-askpwagent)
Manages services:
- ['systemctl', 'daemon-reload']
- ['systemctl', 'enable', 'dnsconfigs.service']
- ['systemctl', 'start', 'dnsconfigs.service']
Launches processes:
- ln -sf /etc/init.d/dnsconfig /etc/rc1.d/S99dnsconfig
- /bin/sh -c systemctl start dnsconfigs.service > /dev/null 2>&1
- /bin/sh -c mount -o bind /tmp/nginx_server /proc/507/ > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc2.d/S99dnsconfig > /dev/null 2>&1
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc3.d/S99dnsconfigs
- /bin/sh -c mount -o bind /tmp/nginx_server /proc/495/ > /dev/null 2>&1
- ln -sf /etc/init.d/dnsconfig /etc/rc2.d/S99dnsconfig
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc2.d/S99dnsconfigs
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc4.d/S99dnsconfigs
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc1.d/S99dnsconfig > /dev/null 2>&1
- mount -o bind /tmp/nginx_server /proc/495/
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc1.d/S99dnsconfigs > /dev/null 2>&1
- /bin/systemd-tty-ask-password-agent --watch
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc0.d/S99dnsconfig > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc3.d/S99dnsconfigs > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc.d/S99dnsconfig > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc4.d/S99dnsconfigs > /dev/null 2>&1
- ln -sf /etc/init.d/dnsconfig /etc/rc3.d/S99dnsconfig
- /bin/sh -c systemctl enable dnsconfigs.service > /dev/null 2>&1
- ln -sf /etc/init.d/dnsconfig /etc/rc5.d/S99dnsconfig
- ln -sf /etc/init.d/dnsconfig /etc/rcS.d/S99dnsconfig
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc4.d/S99dnsconfig > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc5.d/S99dnsconfig > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc6.d/S99dnsconfigs > /dev/null 2>&1
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc0.d/S99dnsconfigs
- crontab /var/tmp/.recoverys
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc2.d/S99dnsconfigs > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc6.d/S99dnsconfig > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rc3.d/S99dnsconfig > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc5.d/S99dnsconfigs > /dev/null 2>&1
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc1.d/S99dnsconfigs
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc6.d/S99dnsconfigs
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc0.d/S99dnsconfigs > /dev/null 2>&1
- /bin/sh -c ln -sf /etc/init.d/dnsconfig /etc/rcS.d/S99dnsconfig > /dev/null 2>&1
- mount -o bind /tmp/nginx_server /proc/507/
- ln -sf /etc/init.d/dnsconfig /etc/rc4.d/S99dnsconfig
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc5.d/S99dnsconfigs
- ln -sf /etc/init.d/dnsconfig /etc/rc0.d/S99dnsconfig
- /bin/sh -c systemctl daemon-reload > /dev/null 2>&1
- /bin/sh -c crontab /var/tmp/.recoverys
- /bin/sh -c ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc.d/S99dnsconfigs > /dev/null 2>&1
- ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc.d/S99dnsconfigs
- cp -f <SAMPLE_FULL_PATH> /var/tmp/nginx_kel
- ln -sf /etc/init.d/dnsconfig /etc/rc6.d/S99dnsconfig
- ln -sf /etc/init.d/dnsconfig /etc/rc.d/S99dnsconfig
Performs operations with the file system:
Modifies file access rights:
- /var/tmp/nginx_kel
- /etc/init.d/dnsconfig
- /var/spool/cron/crontabs/tmp.TMpBmW
Creates folders:
- /tmp/nginx_server
Creates symlinks:
- /etc/rcS.d/S99dnsconfig
Creates or modifies files:
- /var/tmp/nginx_kel
- /var/tmp/.recoverys
- /tmp/server_session.lock
- /var/spool/cron/crontabs/tmp.TMpBmW
- /etc/systemd/system/dnsconfigs.service
- /dev/tty
Mounts file systems:
- /tmp/nginx_server
Changes time of creation/access/modification of files:
- /var/spool/cron/crontabs
Network activity:
Establishes connection:
- 8.#.8.8:53
- 12#.#.15.28:123
- 89.##.127.144:24150
- 89.##.127.144:17560
DNS ASK:
- 00######75.dontargetme.nl
Sends data to the following servers:
- 12#.#.15.28:123
- 89.##.127.144:17560
Receives data from the following servers:
- 12#.#.15.28:123
- 89.##.127.144:24150
- 89.##.127.144:17560
