Invalid user usuario from 175.24.81.169 port 46146

May 16 04:45:09 home sshd[27000]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.169
May 16 04:45:12 home sshd[27000]: Failed password for invalid user user1 from 175.24.81.169 port 55978 ssh2
May 16 04:48:02 home sshd[27428]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.169
...

May 10 07:57:24 PorscheCustomer sshd[1441]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.169
May 10 07:57:26 PorscheCustomer sshd[1441]: Failed password for invalid user vps from 175.24.81.169 port 44102 ssh2
May 10 08:01:55 PorscheCustomer sshd[1609]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.169
...

May  8 23:54:14 ws24vmsma01 sshd[214679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.169
May  8 23:54:16 ws24vmsma01 sshd[214679]: Failed password for invalid user itadmin from 175.24.81.169 port 39478 ssh2
...

Invalid user tencent from 175.24.81.169 port 52808

Apr 11 06:54:38 server sshd[23789]: Failed password for invalid user cod4 from 175.24.81.169 port 53332 ssh2
Apr 11 06:57:43 server sshd[24359]: Failed password for invalid user rodd from 175.24.81.169 port 58624 ssh2
Apr 11 07:00:48 server sshd[24988]: Failed password for root from 175.24.81.169 port 35684 ssh2

k+ssh-bruteforce

SSH brute-force attempt

Oct  2 02:48:48 itv-usvr-01 sshd[13039]: Invalid user shiny from 175.24.81.207
Oct  2 02:48:48 itv-usvr-01 sshd[13039]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207
Oct  2 02:48:48 itv-usvr-01 sshd[13039]: Invalid user shiny from 175.24.81.207
Oct  2 02:48:50 itv-usvr-01 sshd[13039]: Failed password for invalid user shiny from 175.24.81.207 port 50076 ssh2
Oct  2 02:53:59 itv-usvr-01 sshd[13229]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
Oct  2 02:54:00 itv-usvr-01 sshd[13229]: Failed password for root from 175.24.81.207 port 48102 ssh2

(sshd) Failed SSH login from 175.24.81.207 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  1 06:53:59 server5 sshd[1900]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
Oct  1 06:54:01 server5 sshd[1900]: Failed password for root from 175.24.81.207 port 45276 ssh2
Oct  1 06:58:55 server5 sshd[4059]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
Oct  1 06:58:57 server5 sshd[4059]: Failed password for root from 175.24.81.207 port 33190 ssh2
Oct  1 07:03:07 server5 sshd[5935]: Invalid user tanya from 175.24.81.207

Oct  1 01:13:03 email sshd\[24987\]: Invalid user ting from 175.24.81.207
Oct  1 01:13:03 email sshd\[24987\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207
Oct  1 01:13:04 email sshd\[24987\]: Failed password for invalid user ting from 175.24.81.207 port 33058 ssh2
Oct  1 01:17:53 email sshd\[25796\]: Invalid user interview from 175.24.81.207
Oct  1 01:17:53 email sshd\[25796\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207
...

6379/tcp
[2020-08-30]1pkt

Invalid user sdbadmin from 175.24.81.207 port 45054

Aug 22 15:02:44 cho sshd[1359426]: Invalid user ong from 175.24.81.123 port 59702
Aug 22 15:02:44 cho sshd[1359426]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.123 
Aug 22 15:02:44 cho sshd[1359426]: Invalid user ong from 175.24.81.123 port 59702
Aug 22 15:02:45 cho sshd[1359426]: Failed password for invalid user ong from 175.24.81.123 port 59702 ssh2
Aug 22 15:06:50 cho sshd[1359616]: Invalid user server from 175.24.81.123 port 48292
...

Aug 20 22:15:07 IngegnereFirenze sshd[28308]: User root from 175.24.81.207 not allowed because not listed in AllowUsers
...

2020-08-18T22:40:40.359798mail.broermann.family sshd[9592]: Invalid user abhishek from 175.24.81.207 port 49668
2020-08-18T22:40:40.366362mail.broermann.family sshd[9592]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207
2020-08-18T22:40:40.359798mail.broermann.family sshd[9592]: Invalid user abhishek from 175.24.81.207 port 49668
2020-08-18T22:40:42.488936mail.broermann.family sshd[9592]: Failed password for invalid user abhishek from 175.24.81.207 port 49668 ssh2
2020-08-18T22:46:44.163538mail.broermann.family sshd[9790]: Invalid user hua from 175.24.81.207 port 55488
...

Aug 15 04:19:37 serwer sshd\[19362\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
Aug 15 04:19:38 serwer sshd\[19362\]: Failed password for root from 175.24.81.207 port 40370 ssh2
Aug 15 04:23:07 serwer sshd\[21403\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
...

Aug 11 23:48:13 abendstille sshd\[20361\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
Aug 11 23:48:16 abendstille sshd\[20361\]: Failed password for root from 175.24.81.207 port 47012 ssh2
Aug 11 23:51:51 abendstille sshd\[23804\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
Aug 11 23:51:53 abendstille sshd\[23804\]: Failed password for root from 175.24.81.207 port 58568 ssh2
Aug 11 23:55:29 abendstille sshd\[27455\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
...

Aug 11 06:03:34 vps333114 sshd[2233]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207  user=root
Aug 11 06:03:36 vps333114 sshd[2233]: Failed password for root from 175.24.81.207 port 38822 ssh2
...

Aug  8 18:01:58 ns3033917 sshd[20972]: Failed password for root from 175.24.81.123 port 38876 ssh2
Aug  8 18:03:40 ns3033917 sshd[20980]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.123  user=root
Aug  8 18:03:42 ns3033917 sshd[20980]: Failed password for root from 175.24.81.123 port 55536 ssh2
...

2020-08-06T00:15:22.706175+02:00  sshd[15474]: Failed password for root from 175.24.81.123 port 53654 ssh2

2020-07-10T12:28:50.057478abusebot-5.cloudsearch.cf sshd[3899]: Invalid user master from 175.24.81.207 port 54614
2020-07-10T12:28:50.063064abusebot-5.cloudsearch.cf sshd[3899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207
2020-07-10T12:28:50.057478abusebot-5.cloudsearch.cf sshd[3899]: Invalid user master from 175.24.81.207 port 54614
2020-07-10T12:28:51.579247abusebot-5.cloudsearch.cf sshd[3899]: Failed password for invalid user master from 175.24.81.207 port 54614 ssh2
2020-07-10T12:34:51.540884abusebot-5.cloudsearch.cf sshd[3970]: Invalid user silver from 175.24.81.207 port 51594
2020-07-10T12:34:51.546715abusebot-5.cloudsearch.cf sshd[3970]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.81.207
2020-07-10T12:34:51.540884abusebot-5.cloudsearch.cf sshd[3970]: Invalid user silver from 175.24.81.207 port 51594
2020-07-10T12:34:53.624542abusebot-5.cloudsearch.cf sshd[3970]: Failed pa
...

$f2bV_matches

174.136.12.106 - - [24/Sep/2019:23:48:04 -0400] "GET /?page=products&action=view&manufacturerID=127&productID=CART-W-RTC&linkID=8237999999.1%20union%20select%20unhex(hex(version()))%20--%20and%201%3D1 HTTP/1.1" 200 58830 "-" "-"
...

Sep 25 12:41:27 server sshd\[10927\]: Invalid user tb from 43.247.156.168 port 33133
Sep 25 12:41:27 server sshd\[10927\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.247.156.168
Sep 25 12:41:29 server sshd\[10927\]: Failed password for invalid user tb from 43.247.156.168 port 33133 ssh2
Sep 25 12:46:44 server sshd\[26393\]: Invalid user love123 from 43.247.156.168 port 53494
Sep 25 12:46:44 server sshd\[26393\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.247.156.168

Sep 25 10:59:50 www4 sshd\[63352\]: Invalid user ny from 172.94.53.139
Sep 25 10:59:50 www4 sshd\[63352\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.94.53.139
Sep 25 10:59:52 www4 sshd\[63352\]: Failed password for invalid user ny from 172.94.53.139 port 35632 ssh2
...

Distributed brute force attack

Sep 24 23:32:25 friendsofhawaii sshd\[19750\]: Invalid user webadmin from 180.76.160.147
Sep 24 23:32:25 friendsofhawaii sshd\[19750\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.160.147
Sep 24 23:32:27 friendsofhawaii sshd\[19750\]: Failed password for invalid user webadmin from 180.76.160.147 port 38822 ssh2
Sep 24 23:36:18 friendsofhawaii sshd\[20110\]: Invalid user cactiuser from 180.76.160.147
Sep 24 23:36:18 friendsofhawaii sshd\[20110\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.160.147

2019-09-25T09:19:43.882520abusebot-8.cloudsearch.cf sshd\[27000\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.208  user=root

Sep 23 15:48:32 srv00 sshd[50751]: fatal: Unable to negotiate whostnameh 54.37.235.126 port 56758: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Sep 23 15:49:23 srv00 sshd[50755]: fatal: Unable to negotiate whostnameh 54.37.235.126 port 32848: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Sep 23 15:50:15 srv00 sshd[50773]: fatal: Unable to negotiate whostnameh 54.37.235.126 port 37162: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Sep 23 15:51:06 srv00 sshd[50781]: fatal: Unable to negotiate whostnameh 54.37.235.126 port 41478: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-gro........
------------------------------

Trying to hack my steam account.

Scanning and Vuln Attempts

Sep 25 03:40:54 ip-172-31-62-245 sshd\[16344\]: Invalid user simo from 198.228.145.150\
Sep 25 03:40:55 ip-172-31-62-245 sshd\[16344\]: Failed password for invalid user simo from 198.228.145.150 port 46060 ssh2\
Sep 25 03:44:45 ip-172-31-62-245 sshd\[16362\]: Invalid user gan from 198.228.145.150\
Sep 25 03:44:47 ip-172-31-62-245 sshd\[16362\]: Failed password for invalid user gan from 198.228.145.150 port 56834 ssh2\
Sep 25 03:48:42 ip-172-31-62-245 sshd\[16373\]: Invalid user jenny from 198.228.145.150\

Sep 25 11:40:03 saschabauer sshd[7272]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.159.18.194
Sep 25 11:40:06 saschabauer sshd[7272]: Failed password for invalid user cgi123 from 94.159.18.194 port 54580 ssh2

Scanning and Vuln Attempts

SSH/22 MH Probe, BF, Hack -

F2B jail: sshd. Time: 2019-09-25 11:30:38, Reported by: VKReport

Fail2Ban - SSH Bruteforce Attempt