Sep 22 10:02:06 lcprod sshd\[8694\]: Invalid user disasterbot from 139.59.226.82
Sep 22 10:02:06 lcprod sshd\[8694\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.226.82
Sep 22 10:02:08 lcprod sshd\[8694\]: Failed password for invalid user disasterbot from 139.59.226.82 port 44906 ssh2
Sep 22 10:06:44 lcprod sshd\[9156\]: Invalid user ir from 139.59.226.82
Sep 22 10:06:44 lcprod sshd\[9156\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.226.82

Sep 22 10:22:05 lcdev sshd\[14185\]: Invalid user user from 52.173.196.112
Sep 22 10:22:05 lcdev sshd\[14185\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.173.196.112
Sep 22 10:22:08 lcdev sshd\[14185\]: Failed password for invalid user user from 52.173.196.112 port 43200 ssh2
Sep 22 10:26:58 lcdev sshd\[14642\]: Invalid user zhan from 52.173.196.112
Sep 22 10:26:58 lcdev sshd\[14642\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.173.196.112

Sep 22 06:29:03 php1 sshd\[18433\]: Invalid user prog from 117.107.176.68
Sep 22 06:29:03 php1 sshd\[18433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.107.176.68
Sep 22 06:29:05 php1 sshd\[18433\]: Failed password for invalid user prog from 117.107.176.68 port 37138 ssh2
Sep 22 06:34:23 php1 sshd\[19069\]: Invalid user oracle from 117.107.176.68
Sep 22 06:34:23 php1 sshd\[19069\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.107.176.68

SSH Brute-Force attacks

postfix (unknown user, SPF fail or relay access denied)

Sep 22 21:32:16 MK-Soft-VM5 sshd[1847]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.194.46.44 
...

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/88.87.82.218/ 
 RU - 1H : (285)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : RU 
 NAME ASN : ASN39435 
 
 IP : 88.87.82.218 
 
 CIDR : 88.87.64.0/19 
 
 PREFIX COUNT : 83 
 
 UNIQUE IP COUNT : 75776 
 
 
 WYKRYTE ATAKI Z ASN39435 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 2 
 
 INFO : SERVER - ABB - Looking for resource vulnerabilities Detected and Blocked by ADMIN  - data recovery

Sep 22 22:17:23 MK-Soft-Root2 sshd[26125]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.175.55.196 
Sep 22 22:17:25 MK-Soft-Root2 sshd[26125]: Failed password for invalid user mntner from 122.175.55.196 port 29542 ssh2
...

\[2019-09-22 16:46:27\] NOTICE\[2270\] chan_sip.c: Registration from '\' failed for '195.154.48.30:52790' - Wrong password
\[2019-09-22 16:46:27\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-22T16:46:27.321-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="12300",SessionID="0x7fcd8c1c4788",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/195.154.48.30/52790",Challenge="15c9f95c",ReceivedChallenge="15c9f95c",ReceivedHash="e7269d8936a81586b6363417106f6397"
\[2019-09-22 16:50:11\] NOTICE\[2270\] chan_sip.c: Registration from '\' failed for '195.154.48.30:52090' - Wrong password
\[2019-09-22 16:50:11\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-22T16:50:11.090-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7727",SessionID="0x7fcd8ced4938",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/195.154

Sep 22 02:05:22 vpn01 sshd[2798]: Invalid user Mimmi from 159.65.146.232
Sep 22 02:05:22 vpn01 sshd[2798]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.146.232
Sep 22 02:05:24 vpn01 sshd[2798]: Failed password for invalid user Mimmi from 159.65.146.232 port 47808 ssh2

Sep 22 18:10:00 vps01 sshd[8823]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.55.33
Sep 22 18:10:03 vps01 sshd[8823]: Failed password for invalid user garry from 188.165.55.33 port 16740 ssh2

Sep 22 14:14:19 TORMINT sshd\[20659\]: Invalid user 123 from 187.87.39.217
Sep 22 14:14:19 TORMINT sshd\[20659\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.87.39.217
Sep 22 14:14:21 TORMINT sshd\[20659\]: Failed password for invalid user 123 from 187.87.39.217 port 40276 ssh2
...

Sep 22 17:10:01 vmanager6029 sshd\[9273\]: Invalid user test from 91.121.136.44 port 39252
Sep 22 17:10:01 vmanager6029 sshd\[9273\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.136.44
Sep 22 17:10:03 vmanager6029 sshd\[9273\]: Failed password for invalid user test from 91.121.136.44 port 39252 ssh2

2019-09-22T15:04:41.600833hub.schaetter.us sshd\[10453\]: Invalid user cloudtest!@\# from 106.12.126.42
2019-09-22T15:04:41.642409hub.schaetter.us sshd\[10453\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.126.42
2019-09-22T15:04:43.720086hub.schaetter.us sshd\[10453\]: Failed password for invalid user cloudtest!@\# from 106.12.126.42 port 55374 ssh2
2019-09-22T15:14:34.990044hub.schaetter.us sshd\[10513\]: Invalid user qwerty from 106.12.126.42
2019-09-22T15:14:35.021544hub.schaetter.us sshd\[10513\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.126.42
...

Sep 22 19:56:34 jane sshd[27042]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.192.97.9 
Sep 22 19:56:36 jane sshd[27042]: Failed password for invalid user public from 159.192.97.9 port 41878 ssh2
...