\[2019-08-24 11:56:44\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '5.62.41.170:7630' - Wrong password
\[2019-08-24 11:56:44\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-24T11:56:44.258-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="77720",SessionID="0x7f7b301f31b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.62.41.170/51359",Challenge="031eef87",ReceivedChallenge="031eef87",ReceivedHash="ce87c8b512e8a90e26a0106cd2fd8159"
\[2019-08-24 12:02:05\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '5.62.41.170:7610' - Wrong password
\[2019-08-24 12:02:05\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-24T12:02:05.306-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="21491",SessionID="0x7f7b301f31b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.62.41.170/5

MultiHost/MultiPort Probe, Scan, Hack -

Aug 24 17:30:28 vps647732 sshd[11386]: Failed password for root from 192.3.61.145 port 56686 ssh2
...

Invalid user rajesh from 223.25.101.76 port 60272

Aug 24 17:36:26 www sshd[18579]: refused connect from 159.203.169.16 (159.203.169.16) - 3 ssh attempts

Aug 24 12:18:36 ny01 sshd[445]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.232.137
Aug 24 12:18:38 ny01 sshd[445]: Failed password for invalid user 123 from 54.37.232.137 port 39530 ssh2
Aug 24 12:23:05 ny01 sshd[916]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.232.137

Aug 24 18:20:57 SilenceServices sshd[15366]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.71.125
Aug 24 18:20:59 SilenceServices sshd[15366]: Failed password for invalid user sergey from 92.222.71.125 port 56300 ssh2
Aug 24 18:24:58 SilenceServices sshd[18412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.71.125

Aug 24 15:44:01 MK-Soft-VM3 sshd\[13511\]: Invalid user miroslav from 47.28.235.129 port 55480
Aug 24 15:44:01 MK-Soft-VM3 sshd\[13511\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.28.235.129
Aug 24 15:44:03 MK-Soft-VM3 sshd\[13511\]: Failed password for invalid user miroslav from 47.28.235.129 port 55480 ssh2
...

Aug 24 17:51:17 lnxmail61 sshd[23827]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.56.117
Aug 24 17:51:19 lnxmail61 sshd[23827]: Failed password for invalid user Ezam from 192.99.56.117 port 59300 ssh2
Aug 24 17:56:35 lnxmail61 sshd[24369]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.56.117

Aug 24 06:09:32 lcdev sshd\[25154\]: Invalid user csgoserver from 37.59.98.64
Aug 24 06:09:32 lcdev sshd\[25154\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.ip-37-59-98.eu
Aug 24 06:09:34 lcdev sshd\[25154\]: Failed password for invalid user csgoserver from 37.59.98.64 port 51000 ssh2
Aug 24 06:13:33 lcdev sshd\[25481\]: Invalid user selby from 37.59.98.64
Aug 24 06:13:33 lcdev sshd\[25481\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.ip-37-59-98.eu

port scan and connect, tcp 80 (http)

"Fail2Ban detected SSH brute force attempt"

2019-08-24T17:44:54.4929341240 sshd\[28690\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.55  user=root
2019-08-24T17:44:56.5912881240 sshd\[28690\]: Failed password for root from 49.88.112.55 port 28090 ssh2
2019-08-24T17:44:59.2731481240 sshd\[28690\]: Failed password for root from 49.88.112.55 port 28090 ssh2
...

Aug 24 11:26:30 *** sshd[24061]: Invalid user jeffrey from 85.38.164.51

Invalid user auth from 191.235.93.236 port 45368