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Linux.Siggen.6817

Added to the Dr.Web virus database: 2024-03-21

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • acd48lv31kgpn1443jl2iqqm
Launches processes:
  • iptables -A INPUT -p udp --dport 37215 -j DROP
  • /usr/sbin/xtables-nft-multi iptables -A INPUT -p tcp --dport 59666 -j DROP
  • /usr/sbin/xtables-nft-multi iptables -A INPUT -p tcp --dport 37215 -j DROP
  • ufw deny 37215/tcp
  • /bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
  • iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
  • /usr/sbin/xtables-nft-multi iptables -F
  • iptables -A INPUT -s 141.98.10.128 -j DROP
  • /bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
  • nft add rule ip filter input udp dport 59666 drop
  • nft add rule ip filter input udp dport 37215 drop
  • ufw deny 37215/udp
  • /usr/sbin/xtables-nft-multi iptables -A INPUT -p udp --dport 37215 -j DROP
  • iptables -F
  • iptables -A INPUT -p udp --dport 59666 -j DROP
  • iptables -A INPUT -p tcp --dport 37215 -j DROP
  • /usr/sbin/xtables-nft-multi iptables -A INPUT -p udp --dport 59666 -j DROP
  • nft add rule ip filter input tcp dport 59666 drop
  • /usr/sbin/xtables-nft-multi iptables -A INPUT -s 141.98.10.128 -j DROP
  • nft add rule ip filter input tcp dport 37215 drop
  • /usr/sbin/xtables-nft-multi iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
  • echo \x22127.0.0.1 reachedfucktheccp.top\x22 >> /etc/hosts
  • /usr/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
  • busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
  • echo \x22127.0.0.1 fucktheccp.top\x22 >> /etc/hosts
  • iptables -A INPUT -p tcp --dport 59666 -j DROP
Performs operations with the file system:
Deletes folders:
  • /null
  • /var/log/syslog
  • /var/log/daemon.log
  • /tmp/clearsigned.message.GGAL7e
  • /tmp/clearsigned.message.74UKgj
  • /tmp/clearsigned.message.JPzS0P
  • /tmp/clearsigned.message.tcexAO
  • /tmp/clearsigned.message.uW0AnR
  • /tmp/clearsigned.message.XWuG4r
  • /var/log/btmp
  • /var/log/kern.log.1.gz
Creates or modifies files:
  • /etc/hosts
Deletes files:
  • /null
  • /var/log/syslog
  • /var/log/daemon.log
  • /tmp/clearsigned.message.GGAL7e
  • /tmp/clearsigned.message.74UKgj
  • /tmp/clearsigned.message.JPzS0P
  • /tmp/clearsigned.message.tcexAO
  • /tmp/clearsigned.message.uW0AnR
  • /tmp/clearsigned.message.XWuG4r
  • /var/log/btmp
  • /var/log/kern.log.1.gz
Network activity:
Awaits incoming connections on ports:
  • 19#.##8.220.50:8345
  • 0.0.0.0:26721
Establishes connection:
  • 8.#.8.8:53
  • [:##]:37215
  • 127.0.0.1:37215
  • [:##]:59666
  • 127.0.0.1:59666
  • 51.##.149.139:53
  • 19#.###.175.20:35342
DNS ASK:
  • re###thltd.com
Sends data to the following servers:
  • 19#.###.175.20:35342

Curing recommendations


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