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Linux.Siggen.175

Added to the Dr.Web virus database: 2017-06-28

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 chmod +x /etc/rc.local
  • chmod +x /etc/rc.local
  • sh -c mv <SAMPLE_FULL_PATH> /etc/<SAMPLE>
  • mv <SAMPLE_FULL_PATH> /etc/<SAMPLE>
  • sh -c cd /etc;chmod 777 <SAMPLE>
  • chmod 777 <SAMPLE>
  • sh -c sed -i -e '/<SAMPLE>/d' /etc/rc.local
  • sed -i -e /<SAMPLE>/d /etc/rc.local
  • sh -c sed -i -e '2 i/etc/<SAMPLE> reboot' /etc/rc.local
  • sed -i -e 2 i/etc/<SAMPLE> reboot /etc/rc.local
  • sh -c sed -i -e '2 i/etc/<SAMPLE> start' /etc/rc.d/rc.local
  • sed -i -e 2 i/etc/<SAMPLE> start /etc/rc.d/rc.local
  • sh -c sed -i -e '2 i/etc/<SAMPLE> start' /etc/init.d/boot.local
  • sed -i -e 2 i/etc/<SAMPLE> start /etc/init.d/boot.local
Performs operations with the file system:
Modifies file access rights:
  • /etc/rc.local
  • /etc/<SAMPLE>
  • /etc/sedb4LGuy
  • /etc/sed3Q5RBL
Creates or modifies files:
  • /proc/cpuinfo
  • <SAMPLE_FULL_PATH>
  • /etc/sedb4LGuy
  • /etc/sed3Q5RBL
Network activity:
Establishes connection:
  • 12#.##9.71.207:6681
DNS ASK:
  • Ha####555.f3322.net
Sends data to the following servers:
  • 12#.##9.71.207:6681
Other:
Collects information about network activity

Curing recommendations


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