Unauthorized connection attempt detected from IP address 103.80.55.2 to port 80 [J]

2020-07-31T06:48:18.298520abusebot-7.cloudsearch.cf sshd[598]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19  user=root
2020-07-31T06:48:19.710072abusebot-7.cloudsearch.cf sshd[598]: Failed password for root from 103.80.55.19 port 53576 ssh2
2020-07-31T06:50:47.730690abusebot-7.cloudsearch.cf sshd[610]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19  user=root
2020-07-31T06:50:49.598536abusebot-7.cloudsearch.cf sshd[610]: Failed password for root from 103.80.55.19 port 33280 ssh2
2020-07-31T06:53:18.181105abusebot-7.cloudsearch.cf sshd[627]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19  user=root
2020-07-31T06:53:20.781359abusebot-7.cloudsearch.cf sshd[627]: Failed password for root from 103.80.55.19 port 41226 ssh2
2020-07-31T06:55:43.097929abusebot-7.cloudsearch.cf sshd[635]: pam_unix(sshd:auth): authentication failure; l
...

2020-07-20T06:59:41.263485randservbullet-proofcloud-66.localdomain sshd[10031]: Invalid user deploy from 103.80.55.19 port 51616
2020-07-20T06:59:41.269072randservbullet-proofcloud-66.localdomain sshd[10031]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19
2020-07-20T06:59:41.263485randservbullet-proofcloud-66.localdomain sshd[10031]: Invalid user deploy from 103.80.55.19 port 51616
2020-07-20T06:59:43.077995randservbullet-proofcloud-66.localdomain sshd[10031]: Failed password for invalid user deploy from 103.80.55.19 port 51616 ssh2
...

Jul 17 10:50:16 ns41 sshd[1209]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19

Icarus honeypot on github

Jul  8 08:18:23 ns382633 sshd\[31321\]: Invalid user zhanglin from 103.80.55.19 port 51852
Jul  8 08:18:23 ns382633 sshd\[31321\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19
Jul  8 08:18:24 ns382633 sshd\[31321\]: Failed password for invalid user zhanglin from 103.80.55.19 port 51852 ssh2
Jul  8 08:34:13 ns382633 sshd\[2013\]: Invalid user k12linux from 103.80.55.19 port 48322
Jul  8 08:34:13 ns382633 sshd\[2013\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19

$f2bV_matches

DATE:2020-06-30 10:33:20, IP:103.80.55.19, PORT:ssh SSH brute force auth (docker-dc)

SSH invalid-user multiple login try

2020-06-16T23:59:46.822815mail.standpoint.com.ua sshd[30559]: Failed password for root from 103.80.55.19 port 50638 ssh2
2020-06-17T00:03:14.729303mail.standpoint.com.ua sshd[31110]: Invalid user admin from 103.80.55.19 port 50006
2020-06-17T00:03:14.732386mail.standpoint.com.ua sshd[31110]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19
2020-06-17T00:03:14.729303mail.standpoint.com.ua sshd[31110]: Invalid user admin from 103.80.55.19 port 50006
2020-06-17T00:03:16.844439mail.standpoint.com.ua sshd[31110]: Failed password for invalid user admin from 103.80.55.19 port 50006 ssh2
...

2020-06-14T21:22:49.316653abusebot-6.cloudsearch.cf sshd[4675]: Invalid user dxq from 103.80.55.19 port 60558
2020-06-14T21:22:49.323067abusebot-6.cloudsearch.cf sshd[4675]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19
2020-06-14T21:22:49.316653abusebot-6.cloudsearch.cf sshd[4675]: Invalid user dxq from 103.80.55.19 port 60558
2020-06-14T21:22:51.311035abusebot-6.cloudsearch.cf sshd[4675]: Failed password for invalid user dxq from 103.80.55.19 port 60558 ssh2
2020-06-14T21:25:55.633488abusebot-6.cloudsearch.cf sshd[4914]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19  user=root
2020-06-14T21:25:57.486249abusebot-6.cloudsearch.cf sshd[4914]: Failed password for root from 103.80.55.19 port 54358 ssh2
2020-06-14T21:29:04.965730abusebot-6.cloudsearch.cf sshd[5068]: Invalid user yhy from 103.80.55.19 port 48152
...

Jun 14 16:09:53 server sshd[1462]: Failed password for root from 103.80.55.19 port 44524 ssh2
Jun 14 16:13:58 server sshd[1755]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19
Jun 14 16:14:00 server sshd[1755]: Failed password for invalid user monitor from 103.80.55.19 port 46480 ssh2
...

Tried sshing with brute force.

SSH Brute-Force reported by Fail2Ban

2020-05-13T13:33:53.398353vivaldi2.tree2.info sshd[26768]: Invalid user bent from 103.80.55.19
2020-05-13T13:33:53.416088vivaldi2.tree2.info sshd[26768]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19
2020-05-13T13:33:53.398353vivaldi2.tree2.info sshd[26768]: Invalid user bent from 103.80.55.19
2020-05-13T13:33:54.978204vivaldi2.tree2.info sshd[26768]: Failed password for invalid user bent from 103.80.55.19 port 50052 ssh2
2020-05-13T13:37:01.212176vivaldi2.tree2.info sshd[26863]: Invalid user uuidd from 103.80.55.19
...

May  5 03:17:41 itv-usvr-02 sshd[27470]: Invalid user tim from 103.80.55.19 port 51528
May  5 03:17:41 itv-usvr-02 sshd[27470]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19
May  5 03:17:41 itv-usvr-02 sshd[27470]: Invalid user tim from 103.80.55.19 port 51528
May  5 03:17:42 itv-usvr-02 sshd[27470]: Failed password for invalid user tim from 103.80.55.19 port 51528 ssh2
May  5 03:25:20 itv-usvr-02 sshd[27780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.55.19  user=root
May  5 03:25:22 itv-usvr-02 sshd[27780]: Failed password for root from 103.80.55.19 port 33616 ssh2

Automatic report - Port Scan Attack

Oct  7 22:23:35 eventyay sshd[17655]: Failed password for root from 49.88.112.90 port 28325 ssh2
Oct  7 22:23:38 eventyay sshd[17655]: Failed password for root from 49.88.112.90 port 28325 ssh2
Oct  7 22:23:40 eventyay sshd[17655]: Failed password for root from 49.88.112.90 port 28325 ssh2
...

\[2019-10-07 15:50:42\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-07T15:50:42.578-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441259797380",SessionID="0x7fc3ac686538",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.162.99/5072",ACLName="no_extension_match"
\[2019-10-07 15:51:08\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-07T15:51:08.384-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441259797380",SessionID="0x7fc3ac76b1b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.162.99/5072",ACLName="no_extension_match"
\[2019-10-07 15:52:35\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-07T15:52:35.538-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="000441259797380",SessionID="0x7fc3ad31f9e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.162.99/5070",ACLName="no_extensi

07.10.2019 21:53:02 - RDP Login Fail Detected by 
https://www.elinox.de/RDP-Wächter

2019-10-07T16:05:25.8699321495-001 sshd\[63375\]: Failed password for invalid user Fast@2017 from 212.129.35.106 port 37299 ssh2
2019-10-07T16:17:23.1963401495-001 sshd\[64311\]: Invalid user P@$$w0rd@2020 from 212.129.35.106 port 43280
2019-10-07T16:17:23.2045541495-001 sshd\[64311\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.35.106
2019-10-07T16:17:25.5378371495-001 sshd\[64311\]: Failed password for invalid user P@$$w0rd@2020 from 212.129.35.106 port 43280 ssh2
2019-10-07T16:21:28.1484151495-001 sshd\[64588\]: Invalid user Debut from 212.129.35.106 port 35897
2019-10-07T16:21:28.1514151495-001 sshd\[64588\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.35.106
...

10/07/2019-15:53:38.598471 185.175.93.3 Protocol: 6 ET DROP Dshield Block Listed Source group 1

Automatic report - Banned IP Access

web-1 [ssh_2] SSH Attack

Oct  7 22:11:25 SilenceServices sshd[6341]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.70.2.117
Oct  7 22:11:27 SilenceServices sshd[6341]: Failed password for invalid user Roland@2017 from 193.70.2.117 port 37666 ssh2
Oct  7 22:14:56 SilenceServices sshd[7235]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.70.2.117

Oct  7 22:40:40 core sshd[29574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Oct  7 22:40:42 core sshd[29574]: Failed password for root from 138.68.106.62 port 55470 ssh2
...

Oct  7 09:32:50 srv05 sshd[20525]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.166.148  user=r.r
Oct  7 09:32:51 srv05 sshd[20525]: Failed password for r.r from 182.61.166.148 port 57038 ssh2
Oct  7 09:32:52 srv05 sshd[20525]: Received disconnect from 182.61.166.148: 11: Bye Bye [preauth]
Oct  7 09:55:34 srv05 sshd[21834]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.166.148  user=r.r
Oct  7 09:55:35 srv05 sshd[21834]: Failed password for r.r from 182.61.166.148 port 55422 ssh2
Oct  7 09:55:36 srv05 sshd[21834]: Received disconnect from 182.61.166.148: 11: Bye Bye [preauth]
Oct  7 09:59:53 srv05 sshd[22017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.166.148  user=r.r
Oct  7 09:59:55 srv05 sshd[22017]: Failed password for r.r from 182.61.166.148 port 40102 ssh2
Oct  7 09:59:55 srv05 sshd[22017]: Received disconnect from........
-------------------------------

Oct  7 06:58:49 HOST sshd[25715]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.199.72.42  user=r.r
Oct  7 06:58:51 HOST sshd[25715]: Failed password for r.r from 198.199.72.42 port 55830 ssh2
Oct  7 06:58:51 HOST sshd[25715]: Connection closed by 198.199.72.42 [preauth]
Oct  7 06:58:52 HOST sshd[25717]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.199.72.42  user=r.r
Oct  7 06:58:54 HOST sshd[25717]: Failed password for r.r from 198.199.72.42 port 56210 ssh2
Oct  7 06:58:54 HOST sshd[25717]: Connection closed by 198.199.72.42 [preauth]
Oct  7 06:58:55 HOST sshd[25719]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.199.72.42  user=r.r
Oct  7 06:58:58 HOST sshd[25719]: Failed password for r.r from 198.199.72.42 port 56720 ssh2
Oct  7 06:58:58 HOST sshd[25719]: Connection closed by 198.199.72.42 [preauth]
Oct  7 06:58:58 HOST sshd[2572........
-------------------------------

Automatic report - Port Scan Attack

Oct  7 21:28:35 apollo sshd\[2044\]: Failed password for root from 104.131.1.137 port 57983 ssh2Oct  7 21:46:38 apollo sshd\[2087\]: Failed password for root from 104.131.1.137 port 60432 ssh2Oct  7 21:52:48 apollo sshd\[2099\]: Failed password for root from 104.131.1.137 port 52269 ssh2
...

2019-10-07 14:53:09 H=(luxexcess.it) [196.41.17.62]:49554 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-10-07 14:53:10 H=(luxexcess.it) [196.41.17.62]:49554 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-10-07 14:53:11 H=(luxexcess.it) [196.41.17.62]:49554 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/query/ip/196.41.17.62)
...