Linux.Siggen.6486
Added to the Dr.Web virus database:
2024-01-24
Virus description added:
2024-01-23
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /var/spool/cron/crontabs/root
- /etc/init.d/mushi_1692137044
- /etc/rc.d/mushi_1692137044
Malicious functions:
Launches itself as a daemon
Manages services:
- ['systemctl', 'daemon-reload']
- ['systemctl', 'enable', '/etc/systemd/system/mushi1692137044.service']
Launches processes:
- crontab -l
- cp \x27<SAMPLE_FULL_PATH>\x27 \x27/usr/bin/6617f270\x27
- (crontab -l 2>/dev/null; echo \x22@reboot /usr/bin/6617f270\x22) | crontab -
- chmod +x \x27/etc/init.d/mushi_1692137044\x27 && update-rc.d \x27/etc/init.d/mushi_1692137044\x27 defaults
- systemctl daemon-reload && systemctl enable /etc/systemd/system/mushi1692137044.service
- /usr/bin/perl /usr/sbin/update-rc.d /etc/init.d/mushi_1692137044 defaults
- crontab -
- chmod +x /etc/init.d/mushi_1692137044
- cp <SAMPLE_FULL_PATH> /usr/bin/6617f270
Kills the following processes:
- rpc.idmapd
- ntpdate
- <SAMPLE>
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.ELM6Fd
- /etc/init.d/mushi_1692137044
Creates or modifies files:
- /usr/bin/6617f270
- /dev/full
- /var/spool/cron/crontabs/tmp.ELM6Fd
- /usr/share/perl/5.20.2/strict.pm
- /etc/systemd/system/mushi1692137044.service
Changes time of creation/access/modification of files:
Network activity:
Awaits incoming connections on ports:
Establishes connection:
- 127.0.0.1:45832
- 1.#.1.1:53
- 18#.###.128.11:51515
DNS ASK:
Sends data to the following servers:
Receives data from the following servers:
Curing recommendations
Linux
Free trial
One month (no registration) or three months (registration and renewal discount)
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