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Linux.Siggen.1731

Added to the Dr.Web virus database: 2019-05-24

Virus description added:

Technical Information

Malicious functions:
Gains root privileges
Launches itself as a daemon
Launches processes:
  • mail -s BuduRoot stufftempo@yahoo.com
  • cat informatii
  • /usr/sbin/sendmail send-mail -i -- stufftempo@yahoo.com
  • /usr/sbin/exim4 -Mc 1hUAF1-0000B7-AF
  • /usr/sbin/exim4 #-E1hUAF1-0000B7-AF
  • /usr/sbin/exim4 -Mc 1hUAF3-0000BB-82
Performs operations with the file system:
Modifies file access rights:
  • /var/spool/exim4/input/1hUAF1-0000B7-AF-D
  • /var/spool/exim4/input/hdr.689
  • /var/spool/exim4/msglog/1hUAF1-0000B7-AF
  • /var/spool/exim4/input/1hUAF3-0000BB-82-D
  • /var/spool/exim4/input/hdr.693
  • /var/spool/exim4/input/hdr.691
  • /var/spool/exim4/msglog/1hUAF3-0000BB-82
  • /var/spool/exim4/input/1hUAF3-0000BB-82-J
  • /var/mail/user
Creates symlinks:
  • /var/mail/user.lock
Creates or modifies files:
  • /tmp/mail.RsXXXXQmH4Ua
  • /tmp/mail.RsXXXXiOndtu
  • /tmp/mail.RsXXXXiOndtu (deleted)
  • /var/spool/exim4/input//1hUAF1-0000B7-AF-D
  • /var/spool/exim4/input/1hUAF1-0000B7-AF-D
  • /var/spool/exim4/input//hdr.689
  • /var/spool/exim4/input/hdr.689
  • /var/spool/exim4/msglog//1hUAF1-0000B7-AF
  • /var/spool/exim4/msglog/1hUAF1-0000B7-AF
  • /var/log/exim4/mainlog
  • /var/spool/exim4/db/retry.lockfile
  • /var/spool/exim4/input//1hUAF3-0000BB-82-D
  • /var/spool/exim4/input/1hUAF3-0000BB-82-D
  • /var/spool/exim4/input//hdr.693
  • /var/spool/exim4/input/hdr.693
  • /var/spool/exim4/msglog//1hUAF3-0000BB-82
  • /var/spool/exim4/msglog/1hUAF3-0000BB-82
  • /var/spool/exim4/input//hdr.691
  • /var/spool/exim4/input/hdr.691
  • /var/spool/exim4/input//1hUAF3-0000BB-82-J
  • /var/mail/user.lock.box-i386.5ce7f16e.000002b9
  • /var/mail/user
  • /var/spool/exim4/input/1hUAF3-0000BB-82-J
Deletes files:
  • /tmp/mail.RsXXXXQmH4Ua
  • /tmp/mail.RsXXXXiOndtu
  • /var/spool/exim4/msglog//1hUAF1-0000B7-AF
  • /var/mail/user.lock.box-i386.5ce7f16e.000002b9
  • /var/mail/user.lock
  • /var/spool/exim4/msglog//1hUAF3-0000BB-82
  • /var/spool/exim4/input//1hUAF3-0000BB-82-D
  • /var/spool/exim4/input//1hUAF3-0000BB-82-H
  • /var/spool/exim4/input//1hUAF3-0000BB-82-J
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
DNS ASK:
  • bo##i386
Other:
Collects CPU information

Curing recommendations

Linux

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