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Linux.Mrblack.210

Added to the Dr.Web virus database: 2019-04-20

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/rc.local
Malicious functions:
Launches itself as a daemon
Launches processes:
  • sh -c sed -i -e '/exit/d' /etc/rc.local
  • sed -i -e /exit/d /etc/rc.local
  • sh -c sed -i -e '/
  • sed -i -e /
  • sh -c sed -i -e '/<SAMPLE> reboot/d' /etc/rc.local
  • sed -i -e /<SAMPLE> reboot/d /etc/rc.local
  • sh -c sed -i -e '2 i<SAMPLE_FULL_PATH> reboot' /etc/rc.local
  • sed -i -e 2 i<SAMPLE_FULL_PATH> reboot /etc/rc.local
  • sh -c sed -i -e '2 i<SAMPLE_FULL_PATH> reboot start' /etc/rc.d/rc.local
  • sed -i -e 2 i<SAMPLE_FULL_PATH> reboot start /etc/rc.d/rc.local
  • sh -c sed -i -e '2 i<SAMPLE_FULL_PATH> reboot start' /etc/init.d/boot.local
  • sed -i -e 2 i<SAMPLE_FULL_PATH> reboot start /etc/init.d/boot.local
Performs operations with the file system:
Modifies file access rights:
  • /etc/sedZCrOzn
  • /etc/sednoNQve
  • /etc/sed2Ql1QG
Creates or modifies files:
  • /etc/sedZCrOzn
  • /etc/sednoNQve
  • /etc/sed2Ql1QG
Network activity:
Establishes connection:
  • 10#.##7.2.74:48080
Other:
Collects CPU information
Collects information about network activity

Curing recommendations


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