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Linux.BtcMine.86

Added to the Dr.Web virus database: 2018-08-15

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> reboot' /etc/rc.local
  • sed -i -e 2 i//<SAMPLE> reboot /etc/rc.local
  • sh -c sed -i -e '2 i//<SAMPLE> reboot start' /etc/rc.d/rc.local
  • sed -i -e 2 i//<SAMPLE> reboot start /etc/rc.d/rc.local
  • sh -c sed -i -e '2 i//<SAMPLE> reboot start' /etc/init.d/boot.local
  • sed -i -e 2 i//<SAMPLE> reboot start /etc/init.d/boot.local
  • sh -c ./tmp/syssrv -B -o stratum+tcp://xmr.f2pool.com:13531 -u 492S9E7KsrjMWUCYLjmKTBRnNJjUQ3GMRLe6MVBnudM47svhNo2GVfjjf3Rdwa8j3BEtXQbU382v3drRT3dWnWz6Rj3udEB -p x -k
  • ./tmp/syssrv -B -o stratum+tcp://xmr.f2pool.com:13531 -u 492S9E7KsrjMWUCYLjmKTBRnNJjUQ3GMRLe6MVBnudM47svhNo2GVfjjf3Rdwa8j3BEtXQbU382v3drRT3dWnWz6Rj3udEB -p x -k
  • sh -c ps -ef|grep syssrv
  • grep syssrv
  • ps -ef
Kills the following processes:
  • /tmp/syssrv
Performs operations with the file system:
Modifies file access rights:
  • /etc/sedeqAjlO
  • /etc/sedgK2Uki
  • /etc/sedcrN0hu
Creates or modifies files:
  • /etc/sedeqAjlO
  • /etc/sedgK2Uki
  • /etc/sedcrN0hu
  • /tmp/syssrv
Deletes files:
  • /bin/wipefs
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
  • 11#.###.169.162:13531
DNS ASK:
  • xm#.#2pool.com
Sends data to the following servers:
  • 11#.###.169.162:13531
Receives data from the following servers:
  • 11#.###.169.162:13531
Other:
Collects CPU information
Collects RAM information
Collects information about network activity

Curing recommendations


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