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Linux.Siggen.2052

Added to the Dr.Web virus database: 2019-08-04

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Launches processes:
  • sh -c cd /bin/; cat tftp > tftp-cpy; >tftp; cat <SAMPLE_FULL_PATH> > tftp
  • cat tftp
  • cat <SAMPLE_FULL_PATH>
  • sh -c cd /bin/; cat rm > rm-cpy; >rm; cat <SAMPLE_FULL_PATH> > rm
  • cat rm
  • sh -c cd /bin/; cat kill > kill-cpy; >kill; cat <SAMPLE_FULL_PATH> > kill
  • cat kill
  • sh -c cd /sbin/; cat tftp > tftp-cpy; >tftp; cat <SAMPLE_FULL_PATH> > tftp
  • sh -c cd /sbin/; cat rm > rm-cpy; >rm; cat <SAMPLE_FULL_PATH> > rm
  • sh -c cd /sbin/; cat kill > kill-cpy; >kill; cat <SAMPLE_FULL_PATH> > kill
Performs operations with the file system:
Creates or modifies files:
  • /tmp/.lmaopid
  • /var/.lmaopid
  • /dev/.lmaopid
  • /mnt/.lmaopid
  • /run/.lmaopid
  • /var/tmp/.lmaopid
  • /.lmaopid
  • /dev/shm/.lmaopid
  • /bin/.lmaopid
  • /etc/.lmaopid
  • /boot/.lmaopid
  • /usr/.lmaopid
  • /bin/tftp-cpy
  • /bin/tftp
  • /bin/rm-cpy
  • /bin/rm
  • /bin/kill-cpy
  • /bin/kill
  • /sbin/tftp-cpy
  • /sbin/tftp
  • /sbin/rm-cpy
  • /sbin/rm
  • /sbin/kill-cpy
  • /sbin/kill
Network activity:
Establishes connection:
  • 80.###.109.98:10001
  • 8.#.8.8:53
Attacks using a special dictionary (brute-force technique) via the Telnet protocol.
Sends data to the following servers:
  • 80.###.109.98:10001
Receives data from the following servers:
  • 80.###.109.98:10001

Curing recommendations


Linux

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