Dec 18 18:26:05 localhost sshd\[128340\]: Invalid user souleke from 176.31.170.245 port 46038
Dec 18 18:26:05 localhost sshd\[128340\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.170.245
Dec 18 18:26:08 localhost sshd\[128340\]: Failed password for invalid user souleke from 176.31.170.245 port 46038 ssh2
Dec 18 18:30:59 localhost sshd\[128531\]: Invalid user scan from 176.31.170.245 port 51754
Dec 18 18:30:59 localhost sshd\[128531\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.170.245
...

Dec 18 17:41:05 srv206 sshd[6347]: Invalid user libal from 220.248.17.34
Dec 18 17:41:05 srv206 sshd[6347]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.248.17.34
Dec 18 17:41:05 srv206 sshd[6347]: Invalid user libal from 220.248.17.34
Dec 18 17:41:06 srv206 sshd[6347]: Failed password for invalid user libal from 220.248.17.34 port 38320 ssh2
...

sshd jail - ssh hack attempt

Dec 18 18:05:00 mailserver dovecot: auth-worker(96013): sql([hidden],109.136.242.203,): unknown user
Dec 18 18:05:00 mailserver dovecot: auth-worker(96036): sql([hidden],109.136.242.203,): unknown user
Dec 18 18:05:02 mailserver dovecot: imap-login: Aborted login (auth failed, 1 attempts in 6 secs): user=<[hidden]>, method=PLAIN, rip=109.136.242.203, lip=[hidden], TLS, session=
Dec 18 18:05:02 mailserver dovecot: imap-login: Aborted login (auth failed, 1 attempts in 6 secs): user=<[hidden]>, method=PLAIN, rip=109.136.242.203, lip=[hidden], TLS, session=
Dec 18 19:10:14 mailserver dovecot: auth-worker(96487): sql([hidden],109.136.242.203,): unknown user
Dec 18 19:10:14 mailserver dovecot: auth-worker(96488): sql([hidden],109.136.242.203,): unknown user
Dec 18 19:10:16 mailserver dovecot: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[hidden]>, method=PLAIN, rip=109.136.242.203, lip

B: /wp-login.php attack

Dec 18 19:34:02 gw1 sshd[28640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.158.108.108
...

Dec 18 17:41:05 srv01 sshd[8086]: Invalid user psyton from 51.15.56.133 port 39760
Dec 18 17:41:05 srv01 sshd[8086]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.56.133
Dec 18 17:41:05 srv01 sshd[8086]: Invalid user psyton from 51.15.56.133 port 39760
Dec 18 17:41:07 srv01 sshd[8086]: Failed password for invalid user psyton from 51.15.56.133 port 39760 ssh2
Dec 18 17:46:39 srv01 sshd[8524]: Invalid user checa from 51.15.56.133 port 51292
...

Dec 18 17:30:39 nginx sshd[90146]: Invalid user ghost from 144.91.107.86
Dec 18 17:30:39 nginx sshd[90146]: Received disconnect from 144.91.107.86 port 33852:11: Normal Shutdown, Thank you for playing [preauth]

2019-12-18T16:37:59.111860abusebot-6.cloudsearch.cf sshd\[17417\]: Invalid user kristi from 106.3.130.53 port 39454
2019-12-18T16:37:59.118738abusebot-6.cloudsearch.cf sshd\[17417\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.3.130.53
2019-12-18T16:38:01.092358abusebot-6.cloudsearch.cf sshd\[17417\]: Failed password for invalid user kristi from 106.3.130.53 port 39454 ssh2
2019-12-18T16:47:09.013403abusebot-6.cloudsearch.cf sshd\[17457\]: Invalid user videolan from 106.3.130.53 port 55880

Dec 18 08:38:31 php1 sshd\[28392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.113.45  user=root
Dec 18 08:38:33 php1 sshd\[28392\]: Failed password for root from 51.38.113.45 port 45722 ssh2
Dec 18 08:48:00 php1 sshd\[29429\]: Invalid user SYSMAN from 51.38.113.45
Dec 18 08:48:00 php1 sshd\[29429\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.113.45
Dec 18 08:48:02 php1 sshd\[29429\]: Failed password for invalid user SYSMAN from 51.38.113.45 port 35174 ssh2

2019-12-18T17:14:31.178742abusebot.cloudsearch.cf sshd\[28977\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.150.163  user=root
2019-12-18T17:14:32.740739abusebot.cloudsearch.cf sshd\[28977\]: Failed password for root from 106.13.150.163 port 57210 ssh2
2019-12-18T17:20:38.565414abusebot.cloudsearch.cf sshd\[29136\]: Invalid user sang from 106.13.150.163 port 49274
2019-12-18T17:20:38.570631abusebot.cloudsearch.cf sshd\[29136\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.150.163

Dec 18 17:34:25 debian-2gb-vpn-nbg1-1 kernel: [1058029.333929] [UFW BLOCK] IN=eth0 OUT= MAC=96:00:00:38:96:44:d2:74:7f:6e:37:e3:08:00 SRC=40.92.23.34 DST=78.46.192.101 LEN=40 TOS=0x00 PREC=0x00 TTL=230 ID=48564 DF PROTO=TCP SPT=36903 DPT=25 WINDOW=0 RES=0x00 ACK RST URGP=0

Dec 18 08:31:41 kapalua sshd\[15161\]: Invalid user teamspeak1 from 187.32.227.205
Dec 18 08:31:41 kapalua sshd\[15161\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.32.227.205
Dec 18 08:31:43 kapalua sshd\[15161\]: Failed password for invalid user teamspeak1 from 187.32.227.205 port 37150 ssh2
Dec 18 08:39:06 kapalua sshd\[16069\]: Invalid user opennlp from 187.32.227.205
Dec 18 08:39:06 kapalua sshd\[16069\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.32.227.205

Dec 18 08:09:46 kapalua sshd\[12541\]: Invalid user macchiro from 182.61.163.131
Dec 18 08:09:46 kapalua sshd\[12541\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.163.131
Dec 18 08:09:48 kapalua sshd\[12541\]: Failed password for invalid user macchiro from 182.61.163.131 port 55952 ssh2
Dec 18 08:15:10 kapalua sshd\[13236\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.163.131  user=mysql
Dec 18 08:15:13 kapalua sshd\[13236\]: Failed password for mysql from 182.61.163.131 port 64101 ssh2

Telnet/23 MH Probe, BF, Hack -