Aug 30 08:12:07 NPSTNNYC01T sshd[11793]: Failed password for root from 167.71.237.144 port 44026 ssh2
Aug 30 08:16:21 NPSTNNYC01T sshd[12345]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144
Aug 30 08:16:23 NPSTNNYC01T sshd[12345]: Failed password for invalid user ulus from 167.71.237.144 port 50600 ssh2
...

Aug 25 01:14:29 melroy-server sshd[454]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144 
Aug 25 01:14:31 melroy-server sshd[454]: Failed password for invalid user pys from 167.71.237.144 port 53384 ssh2
...

Aug 20 00:52:56 ift sshd\[39980\]: Invalid user arvind from 167.71.237.144Aug 20 00:52:59 ift sshd\[39980\]: Failed password for invalid user arvind from 167.71.237.144 port 36310 ssh2Aug 20 00:57:25 ift sshd\[40521\]: Invalid user gg from 167.71.237.144Aug 20 00:57:27 ift sshd\[40521\]: Failed password for invalid user gg from 167.71.237.144 port 46510 ssh2Aug 20 01:01:53 ift sshd\[41246\]: Invalid user sysop from 167.71.237.144
...

Aug 11 06:24:13 jumpserver sshd[106568]: Failed password for root from 167.71.237.144 port 49106 ssh2
Aug 11 06:28:58 jumpserver sshd[106660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144  user=root
Aug 11 06:28:59 jumpserver sshd[106660]: Failed password for root from 167.71.237.144 port 57726 ssh2
...

2020-08-07T17:50:25.948924amanda2.illicoweb.com sshd\[32800\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144  user=root
2020-08-07T17:50:27.924515amanda2.illicoweb.com sshd\[32800\]: Failed password for root from 167.71.237.144 port 45890 ssh2
2020-08-07T17:52:40.168690amanda2.illicoweb.com sshd\[33194\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144  user=root
2020-08-07T17:52:42.344911amanda2.illicoweb.com sshd\[33194\]: Failed password for root from 167.71.237.144 port 60488 ssh2
2020-08-07T17:54:53.455881amanda2.illicoweb.com sshd\[33654\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144  user=root
...

Aug  7 16:29:09 gw1 sshd[23766]: Failed password for root from 167.71.237.144 port 43680 ssh2
...

Jul 30 23:12:45 piServer sshd[5469]: Failed password for root from 167.71.237.144 port 50866 ssh2
Jul 30 23:17:19 piServer sshd[5916]: Failed password for root from 167.71.237.144 port 60648 ssh2
...

Jul 28 19:31:02 home sshd[1785439]: Invalid user yheeing from 167.71.237.144 port 55620
Jul 28 19:31:02 home sshd[1785439]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144 
Jul 28 19:31:02 home sshd[1785439]: Invalid user yheeing from 167.71.237.144 port 55620
Jul 28 19:31:04 home sshd[1785439]: Failed password for invalid user yheeing from 167.71.237.144 port 55620 ssh2
Jul 28 19:35:25 home sshd[1786566]: Invalid user wangxue from 167.71.237.144 port 60052
...

Jul 27 05:51:38 eventyay sshd[17189]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144
Jul 27 05:51:40 eventyay sshd[17189]: Failed password for invalid user burian from 167.71.237.144 port 50668 ssh2
Jul 27 05:56:36 eventyay sshd[17358]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144
...

Jul 23 10:23:43 ny01 sshd[17591]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144
Jul 23 10:23:45 ny01 sshd[17591]: Failed password for invalid user activemq from 167.71.237.144 port 50924 ssh2
Jul 23 10:27:59 ny01 sshd[18362]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.144

B: Abusive ssh attack

Jul 17 20:59:41 rancher-0 sshd[416276]: Invalid user agfa from 167.71.237.144 port 58770
Jul 17 20:59:43 rancher-0 sshd[416276]: Failed password for invalid user agfa from 167.71.237.144 port 58770 ssh2
...

2020-07-09T16:59:00+0200 Failed SSH Authentication/Brute Force Attack. (Server 9)

Oct 10 01:39:10 Server sshd[366047]: Invalid user listd from 167.71.237.73 port 34006
Oct 10 01:39:10 Server sshd[366047]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.73 
Oct 10 01:39:10 Server sshd[366047]: Invalid user listd from 167.71.237.73 port 34006
Oct 10 01:39:12 Server sshd[366047]: Failed password for invalid user listd from 167.71.237.73 port 34006 ssh2
Oct 10 01:42:30 Server sshd[366380]: Invalid user oracle from 167.71.237.73 port 60064
...

Brute force SMTP login attempted.
...

SSH login attempts.

(sshd) Failed SSH login from 167.71.237.128 (IN/India/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  4 14:21:19 optimus sshd[18283]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.128  user=root
Oct  4 14:21:21 optimus sshd[18283]: Failed password for root from 167.71.237.128 port 52898 ssh2
Oct  4 14:22:40 optimus sshd[18769]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.128  user=root
Oct  4 14:22:42 optimus sshd[18769]: Failed password for root from 167.71.237.128 port 41344 ssh2
Oct  4 14:24:07 optimus sshd[19419]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.128  user=root

(sshd) Failed SSH login from 167.71.237.128 (IN/India/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  4 11:48:59 optimus sshd[1531]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.128  user=root
Oct  4 11:49:01 optimus sshd[1531]: Failed password for root from 167.71.237.128 port 33500 ssh2
Oct  4 12:21:48 optimus sshd[14465]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.128  user=root
Oct  4 12:21:50 optimus sshd[14465]: Failed password for root from 167.71.237.128 port 56862 ssh2
Oct  4 12:23:35 optimus sshd[15156]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.128  user=root

this is the guy who stole my steam account

Sep 28 19:22:12 Ubuntu-1404-trusty-64-minimal sshd\[12969\]: Invalid user gopher from 167.71.237.73
Sep 28 19:22:12 Ubuntu-1404-trusty-64-minimal sshd\[12969\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.73
Sep 28 19:22:13 Ubuntu-1404-trusty-64-minimal sshd\[12969\]: Failed password for invalid user gopher from 167.71.237.73 port 60520 ssh2
Sep 28 19:34:00 Ubuntu-1404-trusty-64-minimal sshd\[25061\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.73  user=root
Sep 28 19:34:02 Ubuntu-1404-trusty-64-minimal sshd\[25061\]: Failed password for root from 167.71.237.73 port 55524 ssh2

Sep 27 22:04:17 NPSTNNYC01T sshd[3584]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.73
Sep 27 22:04:19 NPSTNNYC01T sshd[3584]: Failed password for invalid user postgres from 167.71.237.73 port 48690 ssh2
Sep 27 22:08:28 NPSTNNYC01T sshd[4094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.73
...

Sep 27 22:04:17 NPSTNNYC01T sshd[3584]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.73
Sep 27 22:04:19 NPSTNNYC01T sshd[3584]: Failed password for invalid user postgres from 167.71.237.73 port 48690 ssh2
Sep 27 22:08:28 NPSTNNYC01T sshd[4094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.73
...

WordPress brute force

SSH bruteforce

2019-10-09T12:13:42.019582abusebot-6.cloudsearch.cf sshd\[8238\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.154  user=root

Oct  8 09:08:16 icinga sshd[22016]: Failed password for root from 167.71.237.154 port 36036 ssh2
...

Sep 24 02:29:37 plusreed sshd[13524]: Invalid user kk from 167.71.237.250
...

Sep 21 14:27:22 ArkNodeAT sshd\[4590\]: Invalid user tt from 167.71.237.250
Sep 21 14:27:22 ArkNodeAT sshd\[4590\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.237.250
Sep 21 14:27:25 ArkNodeAT sshd\[4590\]: Failed password for invalid user tt from 167.71.237.250 port 58884 ssh2

SSH Invalid Login

(sshd) Failed SSH login from 180.76.101.241 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May 22 22:15:57 amsweb01 sshd[8129]: Invalid user lishuoguo from 180.76.101.241 port 57236
May 22 22:15:59 amsweb01 sshd[8129]: Failed password for invalid user lishuoguo from 180.76.101.241 port 57236 ssh2
May 22 22:30:33 amsweb01 sshd[10270]: Invalid user toa from 180.76.101.241 port 48962
May 22 22:30:35 amsweb01 sshd[10270]: Failed password for invalid user toa from 180.76.101.241 port 48962 ssh2
May 22 22:34:27 amsweb01 sshd[10660]: Invalid user pql from 180.76.101.241 port 58594

$f2bV_matches

SSH invalid-user multiple login attempts

2020-05-22 15:08:42.885185-0500  localhost smtpd[35733]: NOQUEUE: reject: RCPT from unknown[115.198.21.11]: 554 5.7.1 Service unavailable; Client host [115.198.21.11] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/115.198.21.11; from= to= proto=ESMTP helo=<[0.0.0.0]>

May 22 23:07:33 piServer sshd[7185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.10.64 
May 22 23:07:35 piServer sshd[7185]: Failed password for invalid user pxf from 162.243.10.64 port 53228 ssh2
May 22 23:10:08 piServer sshd[7580]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.10.64 
...

$f2bV_matches

Unauthorized IMAP connection attempt

2020-05-22 15:17:50.159479-0500  localhost smtpd[36275]: NOQUEUE: reject: RCPT from unknown[191.243.72.34]: 554 5.7.1 Service unavailable; Client host [191.243.72.34] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/191.243.72.34 / https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<039.ru>

Bruteforce detected by fail2ban

firewall-block, port(s): 22/tcp

May 22 17:46:18 NPSTNNYC01T sshd[24133]: Failed password for root from 222.186.42.155 port 19778 ssh2
May 22 17:46:27 NPSTNNYC01T sshd[24138]: Failed password for root from 222.186.42.155 port 32413 ssh2
...

1590178686 - 05/22/2020 22:18:06 Host: 122.243.234.177/122.243.234.177 Port: 445 TCP Blocked

May 22 23:10:51 ift sshd\[28819\]: Invalid user ole from 202.29.80.133May 22 23:10:53 ift sshd\[28819\]: Failed password for invalid user ole from 202.29.80.133 port 55183 ssh2May 22 23:14:41 ift sshd\[29444\]: Invalid user by from 202.29.80.133May 22 23:14:44 ift sshd\[29444\]: Failed password for invalid user by from 202.29.80.133 port 57907 ssh2May 22 23:18:29 ift sshd\[30019\]: Invalid user qfl from 202.29.80.133
...

May 22 22:29:56 legacy sshd[30990]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.204.78.249
May 22 22:29:57 legacy sshd[30990]: Failed password for invalid user qec from 138.204.78.249 port 53932 ssh2
May 22 22:33:58 legacy sshd[31078]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.204.78.249
...