2019-12-28T23:18:56.519235abusebot-6.cloudsearch.cf sshd[16562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.190.2  user=root
2019-12-28T23:18:58.584697abusebot-6.cloudsearch.cf sshd[16562]: Failed password for root from 222.186.190.2 port 23028 ssh2
2019-12-28T23:19:01.940239abusebot-6.cloudsearch.cf sshd[16562]: Failed password for root from 222.186.190.2 port 23028 ssh2
2019-12-28T23:18:56.519235abusebot-6.cloudsearch.cf sshd[16562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.190.2  user=root
2019-12-28T23:18:58.584697abusebot-6.cloudsearch.cf sshd[16562]: Failed password for root from 222.186.190.2 port 23028 ssh2
2019-12-28T23:19:01.940239abusebot-6.cloudsearch.cf sshd[16562]: Failed password for root from 222.186.190.2 port 23028 ssh2
2019-12-28T23:18:56.519235abusebot-6.cloudsearch.cf sshd[16562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruse
...

Lines containing failures of 91.119.83.71
Dec 28 16:07:31 kmh-vmh-001-fsn05 sshd[29564]: Invalid user www from 91.119.83.71 port 41427
Dec 28 16:07:31 kmh-vmh-001-fsn05 sshd[29564]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.119.83.71 
Dec 28 16:07:33 kmh-vmh-001-fsn05 sshd[29564]: Failed password for invalid user www from 91.119.83.71 port 41427 ssh2
Dec 28 16:07:35 kmh-vmh-001-fsn05 sshd[29564]: Received disconnect from 91.119.83.71 port 41427:11: Bye Bye [preauth]
Dec 28 16:07:35 kmh-vmh-001-fsn05 sshd[29564]: Disconnected from invalid user www 91.119.83.71 port 41427 [preauth]
Dec 28 16:24:28 kmh-vmh-001-fsn05 sshd[32380]: Invalid user stalin from 91.119.83.71 port 64697
Dec 28 16:24:28 kmh-vmh-001-fsn05 sshd[32380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.119.83.71 
Dec 28 16:24:30 kmh-vmh-001-fsn05 sshd[32380]: Failed password for invalid user stalin from 91.119.83.71........
------------------------------

Dec 29 00:17:08 xeon sshd[4350]: Failed password for invalid user mpweb from 79.137.77.131 port 46426 ssh2

Dec 28 18:20:23 web1 postfix/smtpd[20655]: warning: unknown[46.38.144.117]: SASL LOGIN authentication failed: authentication failure
Dec 28 18:20:23 web1 postfix/smtpd[20649]: warning: unknown[46.38.144.117]: SASL LOGIN authentication failed: authentication failure
...

Automatic report - Port Scan Attack

Dec 28 23:33:27 MK-Soft-Root1 sshd[12820]: Failed password for root from 139.215.217.180 port 48699 ssh2
...

Fail2Ban Ban Triggered

2019-12-28T22:32:23.159583abusebot-7.cloudsearch.cf sshd[3591]: Invalid user mclelland from 106.54.112.173 port 50600
2019-12-28T22:32:23.166186abusebot-7.cloudsearch.cf sshd[3591]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.112.173
2019-12-28T22:32:23.159583abusebot-7.cloudsearch.cf sshd[3591]: Invalid user mclelland from 106.54.112.173 port 50600
2019-12-28T22:32:25.136317abusebot-7.cloudsearch.cf sshd[3591]: Failed password for invalid user mclelland from 106.54.112.173 port 50600 ssh2
2019-12-28T22:36:28.105383abusebot-7.cloudsearch.cf sshd[3641]: Invalid user klajman from 106.54.112.173 port 48192
2019-12-28T22:36:28.109771abusebot-7.cloudsearch.cf sshd[3641]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.112.173
2019-12-28T22:36:28.105383abusebot-7.cloudsearch.cf sshd[3641]: Invalid user klajman from 106.54.112.173 port 48192
2019-12-28T22:36:29.713654abusebot-7.cloudsearch.cf ssh
...

port scan and connect, tcp 22 (ssh)

Dec 28 13:25:14 sachi sshd\[11881\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.155  user=root
Dec 28 13:25:16 sachi sshd\[11881\]: Failed password for root from 222.186.175.155 port 63396 ssh2
Dec 28 13:25:32 sachi sshd\[11891\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.155  user=root
Dec 28 13:25:34 sachi sshd\[11891\]: Failed password for root from 222.186.175.155 port 19952 ssh2
Dec 28 13:25:38 sachi sshd\[11891\]: Failed password for root from 222.186.175.155 port 19952 ssh2

Dec 29 00:15:11 debian-2gb-nbg1-2 kernel: \[1227626.730685\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.175.93.14 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=57619 PROTO=TCP SPT=54810 DPT=4000 WINDOW=1024 RES=0x00 SYN URGP=0

Dec 28 23:37:05 grey postfix/smtpd\[11663\]: NOQUEUE: reject: RCPT from unknown\[49.88.65.123\]: 554 5.7.1 Service unavailable\; Client host \[49.88.65.123\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[49.88.65.123\]\; from=\ to=\ proto=ESMTP helo=\
...

Invalid user forge from 58.247.84.198 port 42240

Dec 25 22:19:17 admin sshd[26794]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.184.4.145  user=r.r
Dec 25 22:19:19 admin sshd[26794]: Failed password for r.r from 179.184.4.145 port 58692 ssh2
Dec 25 22:19:19 admin sshd[26794]: Received disconnect from 179.184.4.145 port 58692:11: Bye Bye [preauth]
Dec 25 22:19:19 admin sshd[26794]: Disconnected from 179.184.4.145 port 58692 [preauth]
Dec 25 22:25:49 admin sshd[27023]: Invalid user hlehostnameh from 179.184.4.145 port 55534
Dec 25 22:25:49 admin sshd[27023]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.184.4.145
Dec 25 22:25:51 admin sshd[27023]: Failed password for invalid user hlehostnameh from 179.184.4.145 port 55534 ssh2
Dec 25 22:25:51 admin sshd[27023]: Received disconnect from 179.184.4.145 port 55534:11: Bye Bye [preauth]
Dec 25 22:25:51 admin sshd[27023]: Disconnected from 179.184.4.145 port 55534 [preauth]


........
--------------------------------------

Automatic report - XMLRPC Attack