Dec 25 23:42:59 dev0-dcde-rnet sshd[31834]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.80.48.9
Dec 25 23:43:02 dev0-dcde-rnet sshd[31834]: Failed password for invalid user amavis from 36.80.48.9 port 2049 ssh2
Dec 25 23:52:14 dev0-dcde-rnet sshd[31985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.80.48.9

2019-12-26T00:27:00.053422shield sshd\[3234\]: Invalid user janes from 178.62.23.60 port 53682
2019-12-26T00:27:00.057677shield sshd\[3234\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=kitsong.co.za
2019-12-26T00:27:01.479440shield sshd\[3234\]: Failed password for invalid user janes from 178.62.23.60 port 53682 ssh2
2019-12-26T00:31:05.665540shield sshd\[3833\]: Invalid user admin from 178.62.23.60 port 56404
2019-12-26T00:31:05.669852shield sshd\[3833\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=kitsong.co.za

" "

Dec 25 23:52:08 dedicated sshd[17998]: Invalid user farm from 51.15.99.106 port 40230

SPAM Delivery Attempt

Dec 25 22:52:10 ws26vmsma01 sshd[50246]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.184.92
Dec 25 22:52:11 ws26vmsma01 sshd[50246]: Failed password for invalid user rpm from 58.210.184.92 port 21129 ssh2
...

Lines containing failures of 2.228.87.194
Dec 23 22:45:49 shared06 sshd[11929]: Invalid user rk from 2.228.87.194 port 34913
Dec 23 22:45:49 shared06 sshd[11929]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.228.87.194
Dec 23 22:45:51 shared06 sshd[11929]: Failed password for invalid user rk from 2.228.87.194 port 34913 ssh2
Dec 23 22:45:51 shared06 sshd[11929]: Received disconnect from 2.228.87.194 port 34913:11: Bye Bye [preauth]
Dec 23 22:45:51 shared06 sshd[11929]: Disconnected from invalid user rk 2.228.87.194 port 34913 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=2.228.87.194

Dec 26 01:03:42 localhost sshd\[19976\]: Invalid user temp from 106.54.160.59 port 42384
Dec 26 01:03:42 localhost sshd\[19976\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.160.59
Dec 26 01:03:45 localhost sshd\[19976\]: Failed password for invalid user temp from 106.54.160.59 port 42384 ssh2

Dec 26 00:39:00 sd-53420 sshd\[24476\]: User root from 83.15.183.137 not allowed because none of user's groups are listed in AllowGroups
Dec 26 00:39:00 sd-53420 sshd\[24476\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.15.183.137  user=root
Dec 26 00:39:02 sd-53420 sshd\[24476\]: Failed password for invalid user root from 83.15.183.137 port 43058 ssh2
Dec 26 00:42:20 sd-53420 sshd\[25736\]: User root from 83.15.183.137 not allowed because none of user's groups are listed in AllowGroups
Dec 26 00:42:20 sd-53420 sshd\[25736\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.15.183.137  user=root
...

\[2019-12-25 19:18:24\] NOTICE\[2839\] chan_sip.c: Registration from '"371" \' failed for '45.143.220.136:6146' - Wrong password
\[2019-12-25 19:18:24\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-25T19:18:24.556-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="371",SessionID="0x7f0fb4bb5cd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.136/6146",Challenge="7c77d379",ReceivedChallenge="7c77d379",ReceivedHash="fd5ecdee912ea5a74a7a9c8932689c0d"
\[2019-12-25 19:18:24\] NOTICE\[2839\] chan_sip.c: Registration from '"371" \' failed for '45.143.220.136:6146' - Wrong password
\[2019-12-25 19:18:24\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-25T19:18:24.655-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="371",SessionID="0x7f0fb4a5a908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/4

Dec 26 05:49:30 itv-usvr-02 sshd[3985]: Invalid user carey from 1.193.160.164 port 13186
Dec 26 05:49:30 itv-usvr-02 sshd[3985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.193.160.164
Dec 26 05:49:30 itv-usvr-02 sshd[3985]: Invalid user carey from 1.193.160.164 port 13186
Dec 26 05:49:32 itv-usvr-02 sshd[3985]: Failed password for invalid user carey from 1.193.160.164 port 13186 ssh2
Dec 26 05:52:24 itv-usvr-02 sshd[4010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.193.160.164  user=root
Dec 26 05:52:27 itv-usvr-02 sshd[4010]: Failed password for root from 1.193.160.164 port 28514 ssh2

Dec 26 01:15:42 51-15-180-239 sshd[21086]: Invalid user guest from 49.235.239.215 port 41068
...

Dec 25 23:18:24 zeus sshd[2464]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.121.214.50 
Dec 25 23:18:26 zeus sshd[2464]: Failed password for invalid user hoang from 117.121.214.50 port 41670 ssh2
Dec 25 23:21:20 zeus sshd[2557]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.121.214.50 
Dec 25 23:21:22 zeus sshd[2557]: Failed password for invalid user 123 from 117.121.214.50 port 38406 ssh2

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

Dec 26 01:09:05 relay postfix/smtpd\[14780\]: warning: unknown\[46.38.144.179\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 26 01:11:31 relay postfix/smtpd\[14237\]: warning: unknown\[46.38.144.179\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 26 01:12:18 relay postfix/smtpd\[14780\]: warning: unknown\[46.38.144.179\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 26 01:14:44 relay postfix/smtpd\[17418\]: warning: unknown\[46.38.144.179\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 26 01:15:35 relay postfix/smtpd\[12366\]: warning: unknown\[46.38.144.179\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...