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Linux.Siggen.7968

Added to the Dr.Web virus database: 2024-08-21

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /var/spool/cron/crontabs/root
Malicious functions:
Launches processes:
  • crontab -l
  • crontab -
  • sed /socks5_backconnect777/d /dev/fd/62
  • rm -rf /tmp/socks5.sh
  • /bin/bash /tmp/socks5.sh
  • cat /dev/fd/63 /dev/fd/62
Performs operations with the file system:
Modifies file access rights:
  • /var/spool/cron/crontabs/tmp.zH1x3X
Creates or modifies files:
  • /tmp/socks5.sh
  • /var/spool/cron/crontabs/tmp.zH1x3X
Deletes files:
  • /tmp/socks5.sh
Locks files:
  • /tmp/socks5.sh
Changes time of creation/access/modification of files:
  • /var/spool/cron/crontabs
Network activity:
Awaits incoming connections on ports:
  • 127.0.0.1:4000
  • 0.0.0.0:4001
Establishes connection:
  • 127.0.0.1:4000

Curing recommendations


Linux

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