Honeypot attack, port: 445, PTR: PTR record not found

30.03.2020 05:23:49 SSH access blocked by firewall

Mar 30 05:52:12 Ubuntu-1404-trusty-64-minimal sshd\[12245\]: Invalid user osy from 106.13.34.173
Mar 30 05:52:12 Ubuntu-1404-trusty-64-minimal sshd\[12245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.173
Mar 30 05:52:14 Ubuntu-1404-trusty-64-minimal sshd\[12245\]: Failed password for invalid user osy from 106.13.34.173 port 36772 ssh2
Mar 30 05:56:26 Ubuntu-1404-trusty-64-minimal sshd\[13612\]: Invalid user tuk from 106.13.34.173
Mar 30 05:56:26 Ubuntu-1404-trusty-64-minimal sshd\[13612\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.173

Port probing on unauthorized port 23

Spamvertised Website

http://i9q.cn/4HpseC
203.195.186.176
server_redirect	temporary

http://k7njjrcwnhi4vyc.ru/
104.27.191.83
104.27.190.83
2606:4700:3034::681b:be53
2606:4700:3030::681b:bf53
server_redirect	temporary

http://k7njjrcwnhi4vyc.ru/uNzu2C/

Received: from 217.78.61.143  (HELO 182.22.12.247) (217.78.61.143)
Return-Path: 
From: "vohrals@gxususwhtbucgoyfu.jp" 
Subject: 本物を確認したいあなたにお届けします
X-Mailer: Microsoft Outlook, Build 10.0.2616

Mar 30 05:55:45 ks10 sshd[1467584]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.238.40.2 
Mar 30 05:55:47 ks10 sshd[1467584]: Failed password for invalid user vcsa from 46.238.40.2 port 59330 ssh2
...

Honeypot attack, port: 445, PTR: static.vnpt.vn.

Mar 30 06:52:36 ift sshd\[13216\]: Invalid user ltq from 106.13.226.34Mar 30 06:52:37 ift sshd\[13216\]: Failed password for invalid user ltq from 106.13.226.34 port 39022 ssh2Mar 30 06:54:21 ift sshd\[13284\]: Invalid user rfn from 106.13.226.34Mar 30 06:54:24 ift sshd\[13284\]: Failed password for invalid user rfn from 106.13.226.34 port 59040 ssh2Mar 30 06:56:00 ift sshd\[13775\]: Invalid user gcx from 106.13.226.34
...

Mar 30 06:30:25 markkoudstaal sshd[10649]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.96.248
Mar 30 06:30:28 markkoudstaal sshd[10649]: Failed password for invalid user bws from 106.13.96.248 port 42566 ssh2
Mar 30 06:34:00 markkoudstaal sshd[11185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.96.248

Mar 30 03:57:47 ip-172-31-62-245 sshd\[10617\]: Invalid user hsk from 137.74.171.160\
Mar 30 03:57:49 ip-172-31-62-245 sshd\[10617\]: Failed password for invalid user hsk from 137.74.171.160 port 47100 ssh2\
Mar 30 04:02:49 ip-172-31-62-245 sshd\[10646\]: Invalid user radio from 137.74.171.160\
Mar 30 04:02:51 ip-172-31-62-245 sshd\[10646\]: Failed password for invalid user radio from 137.74.171.160 port 58564 ssh2\
Mar 30 04:07:35 ip-172-31-62-245 sshd\[10686\]: Invalid user asdfg from 137.74.171.160\

SSH bruteforce (Triggered fail2ban)

Mar 30 05:55:57 vps58358 sshd\[32276\]: Invalid user kcg from 112.21.191.10Mar 30 05:55:59 vps58358 sshd\[32276\]: Failed password for invalid user kcg from 112.21.191.10 port 56466 ssh2Mar 30 06:00:39 vps58358 sshd\[32321\]: Invalid user wz from 112.21.191.10Mar 30 06:00:41 vps58358 sshd\[32321\]: Failed password for invalid user wz from 112.21.191.10 port 50080 ssh2Mar 30 06:05:11 vps58358 sshd\[32399\]: Invalid user mas from 112.21.191.10Mar 30 06:05:12 vps58358 sshd\[32399\]: Failed password for invalid user mas from 112.21.191.10 port 43678 ssh2
...

Mar 30 07:59:51 ift sshd\[23657\]: Invalid user rs from 157.7.221.124Mar 30 07:59:54 ift sshd\[23657\]: Failed password for invalid user rs from 157.7.221.124 port 52216 ssh2Mar 30 08:03:37 ift sshd\[24535\]: Invalid user tpgit from 157.7.221.124Mar 30 08:03:40 ift sshd\[24535\]: Failed password for invalid user tpgit from 157.7.221.124 port 58328 ssh2Mar 30 08:07:21 ift sshd\[25168\]: Invalid user ugu from 157.7.221.124
...

Mar 30 06:28:41 haigwepa sshd[6952]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.236.203.163 
Mar 30 06:28:43 haigwepa sshd[6952]: Failed password for invalid user satu from 49.236.203.163 port 43992 ssh2
...

Mar 30 06:46:08 plex sshd[26384]: Invalid user svm from 129.226.134.112 port 45736