Aug 26 23:30:42 vps200512 sshd\[16469\]: Invalid user oracle from 130.61.83.71
Aug 26 23:30:42 vps200512 sshd\[16469\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.83.71
Aug 26 23:30:44 vps200512 sshd\[16469\]: Failed password for invalid user oracle from 130.61.83.71 port 64147 ssh2
Aug 26 23:36:47 vps200512 sshd\[16597\]: Invalid user server from 130.61.83.71
Aug 26 23:36:47 vps200512 sshd\[16597\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.83.71

Aug 27 05:48:03 SilenceServices sshd[21282]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.230.141
Aug 27 05:48:05 SilenceServices sshd[21282]: Failed password for invalid user ttest123 from 159.89.230.141 port 57604 ssh2
Aug 27 05:55:47 SilenceServices sshd[24178]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.230.141

Aug 27 03:14:17 raspberrypi sshd\[22852\]: Failed password for sshd from 89.41.173.191 port 46297 ssh2Aug 27 03:14:18 raspberrypi sshd\[22852\]: Failed password for sshd from 89.41.173.191 port 46297 ssh2Aug 27 03:14:21 raspberrypi sshd\[22852\]: Failed password for sshd from 89.41.173.191 port 46297 ssh2
...

$f2bV_matches

08/26/2019-23:02:18.539296 92.118.37.86 Protocol: 6 ET SCAN NMAP -sS window 1024

Aug 27 03:40:35 srv-4 sshd\[21035\]: Invalid user fm from 101.231.135.146
Aug 27 03:40:35 srv-4 sshd\[21035\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.231.135.146
Aug 27 03:40:36 srv-4 sshd\[21035\]: Failed password for invalid user fm from 101.231.135.146 port 37280 ssh2
...

Wordpress attack

Aug 27 02:39:09 srv-4 sshd\[18916\]: Invalid user admin from 178.46.128.103
Aug 27 02:39:09 srv-4 sshd\[18916\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.46.128.103
Aug 27 02:39:11 srv-4 sshd\[18916\]: Failed password for invalid user admin from 178.46.128.103 port 34311 ssh2
...

2019-08-26 18:33:55 H=e2e-36-163.e2enetworks.net.in [101.53.139.163]:51230 I=[192.147.25.65]:25 sender verify fail for : all relevant MX records point to non-existent hosts
2019-08-26 18:33:55 H=e2e-36-163.e2enetworks.net.in [101.53.139.163]:51230 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
2019-08-26 18:37:57 H=e2e-36-163.e2enetworks.net.in [101.53.139.163]:16866 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4) (https://www.spamhaus.org/query/ip/101.53.139.163)
...

Aug 27 00:00:01 microserver sshd[37683]: Invalid user plex from 218.69.20.102 port 41504
Aug 27 00:00:01 microserver sshd[37683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.69.20.102
Aug 27 00:00:03 microserver sshd[37683]: Failed password for invalid user plex from 218.69.20.102 port 41504 ssh2
Aug 27 00:06:45 microserver sshd[38842]: Invalid user mauro from 218.69.20.102 port 45442
Aug 27 00:06:45 microserver sshd[38842]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.69.20.102
Aug 27 00:19:22 microserver sshd[41251]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.69.20.102  user=root
Aug 27 00:19:23 microserver sshd[41251]: Failed password for root from 218.69.20.102 port 53300 ssh2
Aug 27 00:25:37 microserver sshd[42367]: Invalid user scott from 218.69.20.102 port 57230
Aug 27 00:25:37 microserver sshd[42367]: pam_unix(sshd:auth): authentication failure; logname= uid=0

Aug 26 23:38:56 debian sshd\[28089\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.129.64.167  user=sshd
Aug 26 23:38:58 debian sshd\[28089\]: Failed password for sshd from 23.129.64.167 port 24479 ssh2
Aug 26 23:39:01 debian sshd\[28089\]: Failed password for sshd from 23.129.64.167 port 24479 ssh2
...

Aug 27 00:40:43 MK-Soft-VM5 sshd\[32248\]: Invalid user vijay from 106.13.11.225 port 49048
Aug 27 00:40:43 MK-Soft-VM5 sshd\[32248\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.11.225
Aug 27 00:40:45 MK-Soft-VM5 sshd\[32248\]: Failed password for invalid user vijay from 106.13.11.225 port 49048 ssh2
...

\[2019-08-26 22:44:33\] NOTICE\[1829\] chan_sip.c: Registration from '"100"\' failed for '62.210.180.84:54285' - Wrong password
\[2019-08-26 22:44:33\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-26T22:44:33.964-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f7b302cefa8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.180.84/54285",Challenge="262241cb",ReceivedChallenge="262241cb",ReceivedHash="d6cef61a3cfec8df596872d065754806"
\[2019-08-26 22:49:54\] NOTICE\[1829\] chan_sip.c: Registration from '"55"\' failed for '62.210.180.84:37871' - Wrong password
\[2019-08-26 22:49:54\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-26T22:49:54.971-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="55",SessionID="0x7f7b302cefa8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.180.84/3787

Aug 27 03:12:40 game-panel sshd[11093]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.138.21.117
Aug 27 03:12:42 game-panel sshd[11093]: Failed password for invalid user test from 174.138.21.117 port 54594 ssh2
Aug 27 03:17:23 game-panel sshd[11267]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.138.21.117

Aug 27 03:36:31 host sshd\[343\]: Invalid user reach from 80.211.65.31 port 52626
Aug 27 03:36:31 host sshd\[343\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.65.31
...