Found by fail2ban

May  7 08:42:41 ns382633 sshd\[1039\]: Invalid user ftpusr from 180.76.110.70 port 48282
May  7 08:42:41 ns382633 sshd\[1039\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.70
May  7 08:42:43 ns382633 sshd\[1039\]: Failed password for invalid user ftpusr from 180.76.110.70 port 48282 ssh2
May  7 08:54:54 ns382633 sshd\[3143\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.70  user=root
May  7 08:54:56 ns382633 sshd\[3143\]: Failed password for root from 180.76.110.70 port 55878 ssh2

Apr 24 06:36:54 cloud sshd[27395]: Failed password for root from 180.76.110.70 port 39752 ssh2
Apr 24 06:45:53 cloud sshd[27758]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.70

2020-04-07 UTC: (34x) - admin,client,damian,demo,deploy(2x),ftp_user,git,guest,leon,mc,nproc(4x),ocadmin,oracle,postgres,public,q2server,root(4x),sign,support,test(2x),teste,ubuntu(2x),user(2x),wow

DATE:2020-03-18 23:15:27, IP:180.76.110.70, PORT:ssh SSH brute force auth (docker-dc)

suspicious action Tue, 10 Mar 2020 15:15:40 -0300

Mar  8 15:28:17 ip-172-31-62-245 sshd\[8557\]: Invalid user sistemas from 180.76.110.70\
Mar  8 15:28:19 ip-172-31-62-245 sshd\[8557\]: Failed password for invalid user sistemas from 180.76.110.70 port 56004 ssh2\
Mar  8 15:32:26 ip-172-31-62-245 sshd\[8595\]: Invalid user postgres from 180.76.110.70\
Mar  8 15:32:28 ip-172-31-62-245 sshd\[8595\]: Failed password for invalid user postgres from 180.76.110.70 port 38294 ssh2\
Mar  8 15:36:41 ip-172-31-62-245 sshd\[8625\]: Invalid user vnc from 180.76.110.70\

Invalid user cmsfox from 180.76.110.70 port 52456

SSH Brute-Force reported by Fail2Ban

Invalid user rx from 180.76.110.155 port 54042

Tried sshing with brute force.

5x Failed Password

Apr  6 06:25:35 sticky sshd\[5941\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.210  user=root
Apr  6 06:25:37 sticky sshd\[5941\]: Failed password for root from 180.76.110.210 port 51556 ssh2
Apr  6 06:28:49 sticky sshd\[5947\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.210  user=root
Apr  6 06:28:51 sticky sshd\[5947\]: Failed password for root from 180.76.110.210 port 49636 ssh2
Apr  6 06:32:12 sticky sshd\[5971\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.210  user=root
...

Aug 31 18:50:07 icinga sshd[1064]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Aug 31 18:50:08 icinga sshd[1064]: Failed password for invalid user test from 180.76.110.14 port 51036 ssh2
...

Aug 27 03:03:58 lnxmysql61 sshd[11885]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14

Aug 21 22:59:44 dedicated sshd[30601]: Invalid user monitor from 180.76.110.14 port 33136

Aug 13 22:43:57 [host] sshd[6938]: Invalid user zhai from 180.76.110.14
Aug 13 22:43:57 [host] sshd[6938]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Aug 13 22:43:59 [host] sshd[6938]: Failed password for invalid user zhai from 180.76.110.14 port 34390 ssh2

$f2bV_matches_ltvn

Jul 28 14:44:15 mail sshd\[14291\]: Failed password for invalid user Qwerty@147852 from 180.76.110.42 port 51662 ssh2
Jul 28 14:59:21 mail sshd\[14514\]: Invalid user Passw0rd2010\* from 180.76.110.42 port 39138
...

Jul 22 18:19:00 s64-1 sshd[15253]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 22 18:19:02 s64-1 sshd[15253]: Failed password for invalid user squid from 180.76.110.14 port 60614 ssh2
Jul 22 18:20:54 s64-1 sshd[15257]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
...

Jul 22 09:03:00 s64-1 sshd[9118]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 22 09:03:02 s64-1 sshd[9118]: Failed password for invalid user nuc from 180.76.110.14 port 41946 ssh2
Jul 22 09:04:44 s64-1 sshd[9128]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
...

Jul 15 10:01:06 microserver sshd[46452]: Invalid user grace from 180.76.110.14 port 35040
Jul 15 10:01:06 microserver sshd[46452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 15 10:01:08 microserver sshd[46452]: Failed password for invalid user grace from 180.76.110.14 port 35040 ssh2
Jul 15 10:05:16 microserver sshd[47101]: Invalid user node from 180.76.110.14 port 41918
Jul 15 10:05:16 microserver sshd[47101]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 15 10:17:43 microserver sshd[48556]: Invalid user testuser1 from 180.76.110.14 port 34292
Jul 15 10:17:43 microserver sshd[48556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 15 10:17:44 microserver sshd[48556]: Failed password for invalid user testuser1 from 180.76.110.14 port 34292 ssh2
Jul 15 10:21:45 microserver sshd[49179]: Invalid user etri from 180.76.110.14 port 41166

Jun 27 05:53:25 ns37 sshd[8327]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jun 27 05:53:25 ns37 sshd[8327]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14

Jun 23 02:08:15 kmh-vmh-001 sshd[3473]: Invalid user tgipl66 from 180.76.110.14 port 36934
Jun 23 02:08:16 kmh-vmh-001 sshd[3473]: Failed password for invalid user tgipl66 from 180.76.110.14 port 36934 ssh2
Jun 23 02:08:17 kmh-vmh-001 sshd[3473]: Received disconnect from 180.76.110.14 port 36934:11: Bye Bye [preauth]
Jun 23 02:08:17 kmh-vmh-001 sshd[3473]: Disconnected from 180.76.110.14 port 36934 [preauth]
Jun 23 02:13:29 kmh-vmh-001 sshd[14604]: Invalid user gj from 180.76.110.14 port 46290
Jun 23 02:13:31 kmh-vmh-001 sshd[14604]: Failed password for invalid user gj from 180.76.110.14 port 46290 ssh2
Jun 23 02:13:31 kmh-vmh-001 sshd[14604]: Received disconnect from 180.76.110.14 port 46290:11: Bye Bye [preauth]
Jun 23 02:13:31 kmh-vmh-001 sshd[14604]: Disconnected from 180.76.110.14 port 46290 [preauth]
Jun 23 02:14:09 kmh-vmh-001 sshd[19326]: Invalid user scan from 180.76.110.14 port 51418
Jun 23 02:14:10 kmh-vmh-001 sshd[19240]: Connection closed by 180.76.110.14 p........
-------------------------------

WordPress login Brute force / Web App Attack on client site.

Nov 22 17:51:16 askasleikir sshd[94082]: Failed password for invalid user zabbix from 122.55.19.115 port 60478 ssh2

badbot

Nov 23 00:57:51 MK-Soft-VM8 sshd[17699]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.80.154 
Nov 23 00:57:53 MK-Soft-VM8 sshd[17699]: Failed password for invalid user rachal from 80.211.80.154 port 54358 ssh2
...

2019-11-22T17:42:13.4736971495-001 sshd\[35380\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.32.130.99
2019-11-22T17:42:15.6948121495-001 sshd\[35380\]: Failed password for invalid user peng from 152.32.130.99 port 51800 ssh2
2019-11-22T18:43:47.7253901495-001 sshd\[37526\]: Invalid user storsveen from 152.32.130.99 port 59660
2019-11-22T18:43:47.7284061495-001 sshd\[37526\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.32.130.99
2019-11-22T18:43:50.0696321495-001 sshd\[37526\]: Failed password for invalid user storsveen from 152.32.130.99 port 59660 ssh2
2019-11-22T18:47:30.6748571495-001 sshd\[37656\]: Invalid user fok from 152.32.130.99 port 38980
...

Nov 23 00:27:51 srv-ubuntu-dev3 sshd[93252]: Invalid user www from 51.38.51.200
Nov 23 00:27:51 srv-ubuntu-dev3 sshd[93252]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.51.200
Nov 23 00:27:51 srv-ubuntu-dev3 sshd[93252]: Invalid user www from 51.38.51.200
Nov 23 00:27:53 srv-ubuntu-dev3 sshd[93252]: Failed password for invalid user www from 51.38.51.200 port 49228 ssh2
Nov 23 00:31:12 srv-ubuntu-dev3 sshd[93515]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.51.200  user=root
Nov 23 00:31:14 srv-ubuntu-dev3 sshd[93515]: Failed password for root from 51.38.51.200 port 56750 ssh2
Nov 23 00:34:33 srv-ubuntu-dev3 sshd[93757]: Invalid user heinbockel from 51.38.51.200
Nov 23 00:34:33 srv-ubuntu-dev3 sshd[93757]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.51.200
Nov 23 00:34:33 srv-ubuntu-dev3 sshd[93757]: Invalid user heinbockel from 51.38.51.2
...

2019-11-23T01:11:44.228951scmdmz1 sshd\[3406\]: Invalid user test from 142.93.33.62 port 58146
2019-11-23T01:11:44.232326scmdmz1 sshd\[3406\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.33.62
2019-11-23T01:11:46.129314scmdmz1 sshd\[3406\]: Failed password for invalid user test from 142.93.33.62 port 58146 ssh2
...

\[2019-11-22 19:09:29\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-22T19:09:29.570-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="900746462607502",SessionID="0x7f26c437dd88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.63/50502",ACLName="no_extension_match"
\[2019-11-22 19:10:33\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-22T19:10:33.428-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="900846462607502",SessionID="0x7f26c437dd88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.63/58956",ACLName="no_extension_match"
\[2019-11-22 19:11:42\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-22T19:11:42.152-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="900946462607502",SessionID="0x7f26c445f668",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.63/60873",ACLName="no_extens

SSH-BruteForce

2019-11-22T17:44:09.1244281495-001 sshd\[35449\]: Failed password for invalid user buggs from 139.59.226.82 port 35826 ssh2
2019-11-22T18:47:49.8065171495-001 sshd\[37671\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.226.82  user=root
2019-11-22T18:47:52.0373511495-001 sshd\[37671\]: Failed password for root from 139.59.226.82 port 58922 ssh2
2019-11-22T18:54:11.1693201495-001 sshd\[37855\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.226.82  user=root
2019-11-22T18:54:13.1745551495-001 sshd\[37855\]: Failed password for root from 139.59.226.82 port 37882 ssh2
2019-11-22T19:00:43.0690221495-001 sshd\[38114\]: Invalid user wittasinghe from 139.59.226.82 port 45068
2019-11-22T19:00:43.0722871495-001 sshd\[38114\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.226.82
...

port scan and connect, tcp 8080 (http-proxy)

badbot

Nov 23 01:16:31 v22018086721571380 sshd[8917]: error: maximum authentication attempts exceeded for root from 222.186.175.155 port 40898 ssh2 [preauth]

badbot

Automatic report - Port Scan Attack