Jul 17 13:55:05 rocket sshd[1360]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.165.15.228
Jul 17 13:55:07 rocket sshd[1360]: Failed password for invalid user jordan from 220.165.15.228 port 57394 ssh2
...

(sshd) Failed SSH login from 106.13.133.190 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jul 17 13:52:46 grace sshd[28729]: Invalid user kelly from 106.13.133.190 port 50090
Jul 17 13:52:48 grace sshd[28729]: Failed password for invalid user kelly from 106.13.133.190 port 50090 ssh2
Jul 17 14:10:06 grace sshd[31353]: Invalid user josep from 106.13.133.190 port 56866
Jul 17 14:10:08 grace sshd[31353]: Failed password for invalid user josep from 106.13.133.190 port 56866 ssh2
Jul 17 14:16:08 grace sshd[32485]: Invalid user git from 106.13.133.190 port 38954

Jul 17 14:40:44 home sshd[29875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.91.44.93
Jul 17 14:40:47 home sshd[29875]: Failed password for invalid user ssy from 47.91.44.93 port 35130 ssh2
Jul 17 14:46:11 home sshd[30366]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.91.44.93
...

[2020-07-17 08:14:50] NOTICE[1277] chan_sip.c: Registration from '"10003" ' failed for '103.145.12.209:5696' - Wrong password
[2020-07-17 08:14:50] SECURITY[1295] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-07-17T08:14:50.623-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="10003",SessionID="0x7f1754188e58",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.145.12.209/5696",Challenge="299b2aac",ReceivedChallenge="299b2aac",ReceivedHash="10b5bc69d6194469757558acaf243110"
[2020-07-17 08:14:50] NOTICE[1277] chan_sip.c: Registration from '"10003" ' failed for '103.145.12.209:5696' - Wrong password
[2020-07-17 08:14:50] SECURITY[1295] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-07-17T08:14:50.730-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="10003",SessionID="0x7f17541b8598",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IP
...

Jul 17 14:00:43 sip sshd[16743]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.251.254.98
Jul 17 14:00:44 sip sshd[16743]: Failed password for invalid user user from 41.251.254.98 port 44132 ssh2
Jul 17 14:14:22 sip sshd[21762]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.251.254.98

2 more HTTP hits without headers : 1 with length 14, 1 with length 4

Jul 17 14:14:42 debian-2gb-nbg1-2 kernel: \[17246636.781098\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=120.131.3.91 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=238 ID=12948 PROTO=TCP SPT=59619 DPT=22681 WINDOW=1024 RES=0x00 SYN URGP=0

1594988072 - 07/17/2020 14:14:32 Host: 200.68.59.90/200.68.59.90 Port: 445 TCP Blocked

2020-07-17T12:52:00.014165mail.csmailer.org sshd[7580]: Invalid user useruser from 180.76.158.139 port 36838
2020-07-17T12:52:00.017292mail.csmailer.org sshd[7580]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.158.139
2020-07-17T12:52:00.014165mail.csmailer.org sshd[7580]: Invalid user useruser from 180.76.158.139 port 36838
2020-07-17T12:52:01.865276mail.csmailer.org sshd[7580]: Failed password for invalid user useruser from 180.76.158.139 port 36838 ssh2
2020-07-17T12:54:35.348577mail.csmailer.org sshd[7802]: Invalid user admin from 180.76.158.139 port 36968
...

2020-07-17T14:14:26+0200 Failed SSH Authentication/Brute Force Attack. (Server 10)

Jul 17 15:00:21 eventyay sshd[29270]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.136.128.13
Jul 17 15:00:23 eventyay sshd[29270]: Failed password for invalid user toxic from 123.136.128.13 port 48220 ssh2
Jul 17 15:06:11 eventyay sshd[29431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.136.128.13
...

Jul 17 14:26:13 piServer sshd[24313]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.176.200 
Jul 17 14:26:15 piServer sshd[24313]: Failed password for invalid user admin from 182.61.176.200 port 35674 ssh2
Jul 17 14:30:50 piServer sshd[24852]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.176.200 
...

Jul 17 14:37:24 vps sshd[704262]: Failed password for root from 222.186.175.150 port 22772 ssh2
Jul 17 14:37:28 vps sshd[704262]: Failed password for root from 222.186.175.150 port 22772 ssh2
Jul 17 14:37:32 vps sshd[704262]: Failed password for root from 222.186.175.150 port 22772 ssh2
Jul 17 14:37:35 vps sshd[704262]: Failed password for root from 222.186.175.150 port 22772 ssh2
Jul 17 14:37:39 vps sshd[704262]: Failed password for root from 222.186.175.150 port 22772 ssh2
...

"Unauthorized connection attempt on SSHD detected"

2020-07-17 15:09:39 dovecot_login authenticator failed for \(User\) \[212.70.149.19\]: 535 Incorrect authentication data \(set_id=galexander@no-server.de\)
2020-07-17 15:09:51 dovecot_login authenticator failed for \(User\) \[212.70.149.19\]: 535 Incorrect authentication data \(set_id=galexander@no-server.de\)
2020-07-17 15:09:53 dovecot_login authenticator failed for \(User\) \[212.70.149.19\]: 535 Incorrect authentication data \(set_id=galexander@no-server.de\)
2020-07-17 15:09:58 dovecot_login authenticator failed for \(User\) \[212.70.149.19\]: 535 Incorrect authentication data \(set_id=grussell@no-server.de\)
2020-07-17 15:10:10 dovecot_login authenticator failed for \(User\) \[212.70.149.19\]: 535 Incorrect authentication data \(set_id=grussell@no-server.de\)
2020-07-17 15:10:14 dovecot_login authenticator failed for \(User\) \[212.70.149.19\]: 535 Incorrect authentication data \(set_id=grussell@no-server.de\)
2020-07-17 15:10:17 dovecot_login authenticator failed for \(User\) \[
...