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Linux.Siggen.1586

Added to the Dr.Web virus database: 2019-04-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /var/spool/cron/crontabs/root
Malicious functions:
Launches itself as a daemon
Launches processes:
  • sh -c (crontab -l ; echo \"*/1 * * * * export DISPLAY=:0 && /root/.tmp00/bash >/dev/null 2>&1\") 2>&1 | grep -v \"no crontab\" | sort | uniq | crontab -
  • grep -v no crontab
  • crontab -l
  • sort
  • uniq
  • crontab -
  • /root/.tmp00/bash32 -c /root/.tmp00/cfgi
Performs operations with the file system:
Modifies file access rights:
  • /root/.tmp00/bash32
  • /root/.tmp00/bash
  • /var/spool/cron/crontabs/tmp.6WBNAk
  • /var/spool/cron/crontabs/tmp.vpdoUh
  • /var/spool/cron/crontabs/tmp.SyoBKu
  • /var/spool/cron/crontabs/tmp.z0clkv
  • /var/spool/cron/crontabs/tmp.xEbSSC
Creates folders:
  • /root/.tmp00
Creates or modifies files:
  • /root/.tmp00/uuid
  • /root/.tmp00/bash.pid
  • /root/.tmp00/27d96f548d2d99d032c4v1.1.0
  • /root/.tmp00/bash32
  • /root/.tmp00/cfgi
  • /root/.tmp00/cfg
  • /root/.tmp00/bash
  • /var/spool/cron/crontabs/tmp.6WBNAk
  • /var/spool/cron/crontabs/tmp.vpdoUh
  • /var/spool/cron/crontabs/tmp.SyoBKu
  • /var/spool/cron/crontabs/tmp.z0clkv
  • /var/spool/cron/crontabs/tmp.xEbSSC
Network activity:
Establishes connection:
  • 18#.##.145.5:443
  • 18#.##.189.112:8080
DNS ASK:
  • pa##0x.xyz
  • pr###ekman.ru
Sends data to the following servers:
  • 18#.##.145.5:443
  • 18#.##.189.112:8080
Receives data from the following servers:
  • 18#.##.145.5:443
  • 18#.##.189.112:8080
Other:
Collects RAM information

Curing recommendations


Linux

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