Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Linux.Siggen.2038

Added to the Dr.Web virus database: 2019-07-29

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/cron.d/root
  • /var/spool/cron/crontabs/root
  • /etc/init.d/sshservice
  • /etc/init.d/.depend.boot
  • /etc/init.d/.depend.start
  • /etc/init.d/.depend.stop
Creates or modifies the following symlinks:
  • /etc/rc0.d/K01sshservice
  • /etc/rc1.d/K01sshservice
  • /etc/rc2.d/S01sshservice
  • /etc/rc3.d/S01sshservice
  • /etc/rc4.d/S01sshservice
  • /etc/rc5.d/S01sshservice
  • /etc/rc6.d/K01sshservice
Malicious functions:
Launches itself as a daemon
Compiles a program from source codes:
  • gcc /usr/local/lib/libboost_threads.c -Wall -shared -fPIC -ldl -o /usr/local/lib/libboost_threads.so
Manages services:
  • systemctl enable sshservice
  • /usr/sbin/update-rc.d sshservice defaults
  • systemctl daemon-reload
  • /usr/sbin/update-rc.d sshservice enable
Launches processes:
  • <SAMPLE_FULL_PATH>
  • /usr/local/sbin/libexeced
  • /bin/sh -c export PATH=$PATH:/bin:/usr/bin:/sbin:/usr/local/bin:/usr/sbin;chkconfig --add sshservice
  • /bin/sh -c export PATH=$PATH:/bin:/usr/bin:/sbin:/usr/local/bin:/usr/sbin;systemctl enable sshservice
  • /sbin/insserv sshservice
  • /bin/sh -c chattr -i /etc/ld.so.preload
  • chattr -i /etc/ld.so.preload
  • /bin/sh -c chattr -i /usr/local/lib/libboost_threads.so
  • chattr -i /usr/local/lib/libboost_threads.so
  • /bin/sh -c chattr -i /usr/local/lib/libboost_threads.c
  • chattr -i /usr/local/lib/libboost_threads.c
  • /bin/sh -c export PATH=$PATH:/bin:/usr/bin:/sbin:/usr/local/bin:/usr/sbin;gcc /usr/local/lib/libboost_threads.c -Wall -shared -fPIC -ldl -o /usr/local/lib/libboost_threads.so
Performs operations with the file system:
Modifies file access rights:
  • /etc/hosts
  • /etc/cron.d/root
  • /var/spool/cron/root
  • /var/spool/cron/crontabs/root
  • /usr/local/lib/libboost_threads.c
  • /usr/local/lib/libboost_threads.so
  • /etc/ld.so.preload
Creates or modifies files:
  • /etc/hosts
  • /var/spool/cron/root
  • /usr/local/sbin/libexeced
  • /usr/local/sbin/sshd
  • /usr/lib/systemd/system/sshservice.service
  • /usr/local/lib/libboost_threads.c
  • /tmp/ccorU4N4.s
  • /tmp/cchBxOLe.o
  • /tmp/ccNduDSq.res
  • /tmp/ccvA1Lzg.c
  • /tmp/ccznr6et.o
  • /tmp/ccwZGhVF.ld
  • /tmp/ccAzqGBS.le
  • /usr/local/lib/libboost_threads.so
  • /etc/ld.so.preload
  • /tmp/.XImunix
Deletes files:
  • /etc/ld.so.preload
  • /usr/local/lib/libboost_threads.so
  • /usr/local/lib/libboost_threads.c
  • /tmp/ccwZGhVF.ld
  • /tmp/ccAzqGBS.le
  • /tmp/ccvA1Lzg.c
  • /tmp/ccznr6et.o
  • /tmp/ccNduDSq.res
  • /tmp/cchBxOLe.o
  • /tmp/ccorU4N4.s
Network activity:
Awaits incoming connections on ports:
  • 127.0.0.1:65533
Establishes connection:
  • 127.0.0.1:65533
  • 16#.##.156.147:51640
DNS ASK:
  • sy###mten.org
Sends data to the following servers:
  • 16#.##.156.147:51640
Receives data from the following servers:
  • 16#.##.156.147:51640
Other:
Collects RAM information

Curing recommendations


Linux

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Free trial

One month (no registration) or three months (registration and renewal discount)

Download Dr.Web

Download by serial number