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Added to the Dr.Web virus database: 2023-11-15

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
Substitutes application name for:
  • php
  • watchdogd
Launches processes:
  • echo \x22@reboot <SAMPLE_FULL_PATH>\x22 | crontab -
  • iptables -I INPUT -p tcp --dport 41961 -j ACCEPT
  • /usr/sbin/xtables-nft-multi iptables -I INPUT -p tcp --dport 41961 -j ACCEPT
  • crontab -
  • crontab -l
Kills the following processes:
  • <SAMPLE>
Performs operations with the file system:
Modifies file access rights:
  • /var/spool/cron/crontabs/tmp.5Eq0py
Creates or modifies files:
  • /var/spool/cron/crontabs/tmp.5Eq0py
Changes time of creation/access/modification of files:
  • /var/spool/cron/crontabs
Network activity:
Awaits incoming connections on ports:
Establishes connection:
  • 45.##.147.236:2137
Sends data to the following servers:
  • 45.##.147.236:2137
Receives data from the following servers:
  • 45.##.147.236:2137
Collects CPU information
Collects RAM information

Curing recommendations


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