Recent reportsWe have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
Confirmed malicious by STILWaters CTI platform (score=100, sources=1)
Hacking
Brute-Force
SSH
Anonymous
Automated block on a production VoIP/web server: SSH authentication attempts on port 22/tcp after 6 detected failures. Blocked automatically at the host.
2026-10-26T18:40:40.588105+08:00 nekoaru-shanghai-1 sshd-session[1968971]: Connection from 166.88.7.157 port 44960 on 192.168.12.24 port 41022 rdomain ""
2026-10-26T18:40:41.139434+08:00 nekoaru-shanghai-1 sshd-session[1968971]: pam_unix(sshd:auth): ...
show more2026-10-26T18:40:40.588105+08:00 nekoaru-shanghai-1 sshd-session[1968971]: Connection from 166.88.7.157 port 44960 on 192.168.12.24 port 41022 rdomain ""
2026-10-26T18:40:41.139434+08:00 nekoaru-shanghai-1 sshd-session[1968971]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
2026-10-26T18:40:43.221152+08:00 nekoaru-shanghai-1 sshd-session[1968971]: Failed password for root from 166.88.7.157 port 44960 ssh2
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Oct 26 11:38:55 s347 sshd[670020]: Failed password for root from 166.88.7.157 port 11576 ssh2
Oct 26 11:40:34 s347 sshd[771395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
Oct 26 11 ...
show moreOct 26 11:38:55 s347 sshd[670020]: Failed password for root from 166.88.7.157 port 11576 ssh2
Oct 26 11:40:34 s347 sshd[771395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
Oct 26 11:40:35 s347 sshd[771395]: Failed password for root from 166.88.7.157 port 16876 ssh2
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Brute-Force
SSH
Anonymous
2026-10-26T10:38:31.565265+00:00 ebi sshd[1087185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
2026-10-26T10:38:33.486796+00:00 ebi sshd[1087185]: Failed password for invalid user r ...
show more2026-10-26T10:38:31.565265+00:00 ebi sshd[1087185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
2026-10-26T10:38:33.486796+00:00 ebi sshd[1087185]: Failed password for invalid user root from 166.88.7.157 port 41858 ssh2
2026-10-26T10:40:13.445518+00:00 ebi sshd[1087277]: User root from 166.88.7.157 not allowed because not listed in AllowUsers
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2026-10-26T04:09:18.039141-06:00 bluto sshd[82747]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
2026-10-26T04:09:19.969604-06:00 bluto sshd[82747]: Failed password for invalid user r ...
show more2026-10-26T04:09:18.039141-06:00 bluto sshd[82747]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
2026-10-26T04:09:19.969604-06:00 bluto sshd[82747]: Failed password for invalid user root from 166.88.7.157 port 31074 ssh2
2026-10-26T04:15:08.238948-06:00 bluto sshd[83890]: User root from 166.88.7.157 not allowed because none of user's groups are listed in AllowGroups
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Automated SSH brute-force attack detected. The IP repeatedly attempted to authenticate to port 22 using multiple usernames and password guesses within a short timeframe.
2026-10-26T03:47:08.107856-06:00 b146-50 sshd[138612]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
2026-10-26T03:47:10.451759-06:00 b146-50 sshd[138612]: Failed password for invalid ...
show more2026-10-26T03:47:08.107856-06:00 b146-50 sshd[138612]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.88.7.157 user=root
2026-10-26T03:47:10.451759-06:00 b146-50 sshd[138612]: Failed password for invalid user root from 166.88.7.157 port 57038 ssh2
2026-10-26T03:56:05.392443-06:00 b146-50 sshd[138924]: User root from 166.88.7.157 not allowed because none of user's groups are listed in AllowGroups
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