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Linux.Siggen.329

Added to the Dr.Web virus database: 2017-12-23

Virus description added:

Technical Information

Malicious functions:
Gains root privileges
Launches itself as a daemon
Launches processes:
  • /usr/sbin/exim4 #-E
  • /usr/sbin/exim4 -Mc 1eSlSH-0000BT-Oy
Performs operations with the file system:
Modifies file access rights:
  • /var/spool/exim4/input/1eSlSH-0000BT-Oy-D
  • /var/spool/exim4/input/hdr.711
  • /var/spool/exim4/msglog/1eSlSH-0000BT-Oy
  • /var/spool/exim4/input/1eSlSH-0000BT-Oy-J
  • /var/mail/user
Creates symlinks:
  • /var/mail/user.lock"
Creates or modifies files:
  • /var/spool/exim4/input//1eSlSH-0000BT-Oy-D
  • /var/spool/exim4/input/1eSlSH-0000BT-Oy-D
  • /var/spool/exim4/input//hdr.711
  • /var/spool/exim4/input/hdr.711
  • /var/spool/exim4/msglog//1eSlSH-0000BT-Oy
  • /var/spool/exim4/msglog/1eSlSH-0000BT-Oy
  • /var/log/exim4/mainlog
  • /var/spool/exim4/db/retry.lockfile
  • /var/spool/exim4/input//1eSlSH-0000BT-Oy-J
  • /var/mail/user.lock.box-amd64.5a3e7216.000002cb
  • /var/mail/user
  • /var/spool/exim4/input/1eSlSH-0000BT-Oy-J
Deletes files:
  • /var/mail/user.lock.box-amd64.5a3e7216.000002cb"
  • /var/mail/user.lock"
  • /var/spool/exim4/msglog//1eSlSH-0000BT-Oy"
  • /var/spool/exim4/input//1eSlSH-0000BT-Oy-D"
  • /var/spool/exim4/input//1eSlSH-0000BT-Oy-H"
  • /var/spool/exim4/input//1eSlSH-0000BT-Oy-J"
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
DNS ASK:
  • bo##amd64
Other:
Collects CPU information

Curing recommendations


Linux

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