[2020-09-24 11:11:03] NOTICE[1159] chan_sip.c: Registration from '' failed for '185.147.215.13:54651' - Wrong password
[2020-09-24 11:11:03] SECURITY[1198] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-24T11:11:03.809-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7030",SessionID="0x7fcaa00dd368",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.13/54651",Challenge="012ca681",ReceivedChallenge="012ca681",ReceivedHash="1488da65016eaf816011421e29e7719c"
[2020-09-24 11:11:30] NOTICE[1159] chan_sip.c: Registration from '' failed for '185.147.215.13:64986' - Wrong password
[2020-09-24 11:11:30] SECURITY[1198] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-24T11:11:30.404-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6274",SessionID="0x7fcaa02d7a38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.21
...

2020-09-23 UTC: (30x) - PlcmSpIp,admin,alex,ami,cat,chris,deluge,fctrserver,ftpu,guillermo,h,hadoop,isa,lsfadmin,mitra,mobile,nproc,oracle,pierre,root(7x),test,tmax,tom,user

port scan and connect, tcp 22 (ssh)

2020-09-23 UTC: (30x) - a,andreas,anthony,cgw,drcom,elias,ftb,ftpuser,guest,intern,liuhao,marcelo,mqm,postgres,prueba,root(7x),sonarr,sysadmin,test,test1,teste,thiago,ts3bot,user1

Lines containing failures of 52.188.169.250
Sep 23 14:29:09 shared09 sshd[30725]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.188.169.250  user=r.r
Sep 23 14:29:09 shared09 sshd[30727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.188.169.250  user=r.r
Sep 23 14:29:11 shared09 sshd[30725]: Failed password for r.r from 52.188.169.250 port 41833 ssh2
Sep 23 14:29:11 shared09 sshd[30725]: Received disconnect from 52.188.169.250 port 41833:11: Client disconnecting normally [preauth]
Sep 23 14:29:11 shared09 sshd[30725]: Disconnected from authenticating user r.r 52.188.169.250 port 41833 [preauth]
Sep 23 14:29:11 shared09 sshd[30727]: Failed password for r.r from 52.188.169.250 port 41894 ssh2
Sep 23 14:29:11 shared09 sshd[30727]: Received disconnect from 52.188.169.250 port 41894:11: Client disconnecting normally [preauth]
Sep 23 14:29:11 shared09 sshd[30727]: Disconnected from authe........
------------------------------

Unauthorized connection attempt from IP address 113.22.236.73 on Port 445(SMB)

(sshd) Failed SSH login from 139.199.45.83 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 24 09:32:37 server4 sshd[28535]: Invalid user office from 139.199.45.83
Sep 24 09:32:37 server4 sshd[28535]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.45.83 
Sep 24 09:32:39 server4 sshd[28535]: Failed password for invalid user office from 139.199.45.83 port 56518 ssh2
Sep 24 09:41:23 server4 sshd[1121]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.45.83  user=root
Sep 24 09:41:25 server4 sshd[1121]: Failed password for root from 139.199.45.83 port 50346 ssh2

Brute%20Force%20SSH

Sep 24 15:35:56 ip-172-31-61-156 sshd[24720]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.172  user=root
Sep 24 15:35:57 ip-172-31-61-156 sshd[24720]: Failed password for root from 112.85.42.172 port 1854 ssh2
...

Unauthorized connection attempt from IP address 113.163.238.118 on Port 445(SMB)

Brute-force attempt banned

Sep 24 10:45:00 ws22vmsma01 sshd[119801]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.9.229
Sep 24 10:45:01 ws22vmsma01 sshd[119801]: Failed password for invalid user sysadmin from 159.65.9.229 port 48314 ssh2
...

Telnet/23 MH Probe, Scan, BF, Hack -

Sep 24 10:29:15 r.ca sshd[25870]: Failed password for root from 51.116.186.100 port 58988 ssh2

Unauthorized connection attempt from IP address 179.181.139.110 on Port 445(SMB)