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Linux.Mrblack.156

Added to the Dr.Web virus database: 2018-08-01

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/sed6wtlWh
  • /etc/sedIOtAZU
  • /etc/sed2JC5U8
Creates or modifies files:
  • /etc/sed6wtlWh
  • /etc/sedIOtAZU
  • /etc/sed2JC5U8
Network activity:
Establishes connection:
  • 13#.###.77.180:50050
Sends data to the following servers:
  • 13#.###.77.180:50050
Receives data from the following servers:
  • 13#.###.77.180:50050
Other:
Collects CPU information
Collects information about network activity

Curing recommendations


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