Nov 19 07:28:48 pornomens sshd\[7966\]: Invalid user devann from 210.217.24.230 port 60438
Nov 19 07:28:48 pornomens sshd\[7966\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.217.24.230
Nov 19 07:28:50 pornomens sshd\[7966\]: Failed password for invalid user devann from 210.217.24.230 port 60438 ssh2
...

Nov 19 11:34:58 microserver sshd[12666]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.185.181.64  user=news
Nov 19 11:35:00 microserver sshd[12666]: Failed password for news from 146.185.181.64 port 41811 ssh2
Nov 19 11:38:06 microserver sshd[13244]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.185.181.64  user=root
Nov 19 11:38:09 microserver sshd[13244]: Failed password for root from 146.185.181.64 port 60076 ssh2
Nov 19 11:41:13 microserver sshd[13818]: Invalid user pachi from 146.185.181.64 port 50105

Brute-force attempt banned

Nov 19 07:28:27 * sshd[23946]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.208.149.162
Nov 19 07:28:29 * sshd[23946]: Failed password for invalid user gobbo from 173.208.149.162 port 42192 ssh2

(From officefax2019@gmail.com) Greetings! 
 
Al Fajer Investments Private Equity LLC, I want to use this opportunity to invite you to our Project Loan programme. We are Offering Project Funding / Private Bank Loans Programme,Do you have any Lucrative Projects that can generate a good ROI within the period of funding? We offer Loan on 3% interest rate for a Minimum year duration of 3 years to Maximum of 35 years. We focus on Real Estate project, Renewable energy, Telecommunication, Hotel & Resort,Biotech, Textiles,Pharmaceuticals , Oil & Energy Industries, Mining & Metals Industry,Maritime industry, Hospital & Health Care Industry, Consumer Services Industry,Gambling & Casinos Industry, Electrical/Electronic Manufacturing Industry, Chemical industries,Agriculture, Aviation, Retail etc. 
 
Please be advise that we will provide for you the Full details on how to apply for the Loan once we receive your reply. 
 
Regards 
 
Mr.Hamad Ali Hassani 
Al Fajer Investments Private Equity LLC 
 
Email:-  alfaje

11/19/2019-08:44:43.458434 184.30.210.217 Protocol: 6 SURICATA TLS invalid record/traffic

Nov 19 12:32:56 gw1 sshd[3127]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.138.198
Nov 19 12:32:58 gw1 sshd[3127]: Failed password for invalid user knoebel from 212.129.138.198 port 54586 ssh2
...

port scan and connect, tcp 1433 (ms-sql-s)

Automatic report - Port Scan Attack

Nov 19 01:28:42 web1 postfix/smtpd[12738]: warning: unknown[45.183.94.203]: SASL PLAIN authentication failed: authentication failure
...

$f2bV_matches

*Port Scan* detected from 159.89.46.72 (US/United States/-). 4 hits in the last 215 seconds

\[2019-11-19 01:46:22\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '81.171.85.101:56580' - Wrong password
\[2019-11-19 01:46:22\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-19T01:46:22.129-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="7981",SessionID="0x7fdf2c19f8b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85.101/56580",Challenge="17405e64",ReceivedChallenge="17405e64",ReceivedHash="748ee31c9032d0bf28dd5bc04a21428d"
\[2019-11-19 01:51:30\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '81.171.85.101:54338' - Wrong password
\[2019-11-19 01:51:30\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-19T01:51:30.577-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="8335",SessionID="0x7fdf2c19f8b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85

Nov 18 21:15:28 tdfoods sshd\[15136\]: Invalid user opensesame from 212.129.128.249
Nov 18 21:15:28 tdfoods sshd\[15136\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.128.249
Nov 18 21:15:30 tdfoods sshd\[15136\]: Failed password for invalid user opensesame from 212.129.128.249 port 44279 ssh2
Nov 18 21:20:39 tdfoods sshd\[15564\]: Invalid user P@ssw0rd from 212.129.128.249
Nov 18 21:20:39 tdfoods sshd\[15564\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.128.249

185.176.27.246 was recorded 162 times by 36 hosts attempting to connect to the following ports: 15900,13300,16500,19800,15600,18300,10100,11300,17100,19700,17600,14800,16000,16900,12600,11700,12200,15500,10400,11500,11100,15200,19400,17000,12900,17200,17900,14900,13500,18500,19100,16300,15400,11600,11400,12000,12500,10900,19300,13100,10700,13800,18600,20600,20400,15300,13900,19000,12100,16200,16600,15700,10300,10200,18200,17300,14000,15800,10600,11900,16100,16400,15100,19900,11800,13700,19200,19600,13000. Incident counter (4h, 24h, all-time): 162, 582, 9033