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Linux.Siggen.312

Added to the Dr.Web virus database: 2017-11-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/<SAMPLE>
  • /etc/rc.local
Malicious functions:
Launches processes:
  • sh -c cp -f <SAMPLE_FULL_PATH> /bin/ && cp -f <SAMPLE_FULL_PATH> /sbin/
  • cp -f <SAMPLE_FULL_PATH> /bin/
  • cp -f <SAMPLE_FULL_PATH> /sbin/
  • sh -c cp -f <SAMPLE_FULL_PATH> /etc/init.d/ >0&
  • sh -c sed -i '/<SAMPLE>/d' /etc/rc.local && echo '/bin/<SAMPLE> -B' >>/etc/rc.local
  • sed -i /<SAMPLE>/d /etc/rc.local
  • sh -c sed -i '/<SAMPLE>/d' /etc/rc.d/rc.local && echo '/bin/<SAMPLE> -B' >>/etc/rc.d/rc.local
  • cp -f <SAMPLE_FULL_PATH> /etc/init.d/
  • sed -i /nameserver 114.114.114.114/d /etc/resolv.conf
  • sed -i /<SAMPLE>/d /etc/rc.d/rc.local
Performs operations with the file system:
Modifies file access rights:
  • /etc/sed15d1h7
  • /etc/sedHTYQVl
Creates or modifies files:
  • /bin/<SAMPLE>
  • /sbin/<SAMPLE>
  • /tmp/yumc.log.lock
  • /root/0
  • /etc/sed15d1h7
  • /etc/sedHTYQVl
  • /etc/resolv.conf
Locks files:
  • /tmp/yumc.log.lock
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
  • 16#.##4.210.141:0
  • 18#.##5.254.85:0
  • 37.##.43.131:0
  • 37.##.44.93:0
  • 46.###.103.169:0
  • 94.##.212.204:0
  • 15#.#9.25.62:0
  • 15#.#9.25.71:0
  • 15#.#9.25.77:0
  • 16#.##4.210.141:443
DNS ASK:
  • po##.wkery.com
Sends data to the following servers:
  • 16#.##4.210.141:443
Receives data from the following servers:
  • 16#.##4.210.141:443
Other:
Collects CPU information

Curing recommendations


Linux

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