Failed password for invalid user zxw from 41.111.135.199 port 34808 ssh2

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May 23 23:56:01 pixelmemory sshd[2848529]: Invalid user nep from 123.30.149.76 port 35053
May 23 23:56:01 pixelmemory sshd[2848529]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.30.149.76 
May 23 23:56:01 pixelmemory sshd[2848529]: Invalid user nep from 123.30.149.76 port 35053
May 23 23:56:03 pixelmemory sshd[2848529]: Failed password for invalid user nep from 123.30.149.76 port 35053 ssh2
May 23 23:59:36 pixelmemory sshd[2851731]: Invalid user myu from 123.30.149.76 port 34444
...

May 24 06:49:26 localhost sshd\[19394\]: Invalid user noq from 111.93.214.69
May 24 06:49:26 localhost sshd\[19394\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.214.69
May 24 06:49:28 localhost sshd\[19394\]: Failed password for invalid user noq from 111.93.214.69 port 37832 ssh2
May 24 06:51:43 localhost sshd\[19615\]: Invalid user edy from 111.93.214.69
May 24 06:51:43 localhost sshd\[19615\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.214.69
...

2020-05-24T10:38:34.944730afi-git.jinr.ru sshd[2997]: Invalid user kje from 181.52.249.213 port 46798
2020-05-24T10:38:34.947891afi-git.jinr.ru sshd[2997]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.52.249.213
2020-05-24T10:38:34.944730afi-git.jinr.ru sshd[2997]: Invalid user kje from 181.52.249.213 port 46798
2020-05-24T10:38:37.440004afi-git.jinr.ru sshd[2997]: Failed password for invalid user kje from 181.52.249.213 port 46798 ssh2
2020-05-24T10:40:36.819760afi-git.jinr.ru sshd[3511]: Invalid user icp from 181.52.249.213 port 48458
...

May 24 12:54:56 dhoomketu sshd[147406]: Invalid user lvd from 101.231.124.6 port 42533
May 24 12:54:56 dhoomketu sshd[147406]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.231.124.6 
May 24 12:54:56 dhoomketu sshd[147406]: Invalid user lvd from 101.231.124.6 port 42533
May 24 12:54:57 dhoomketu sshd[147406]: Failed password for invalid user lvd from 101.231.124.6 port 42533 ssh2
May 24 12:59:18 dhoomketu sshd[147457]: Invalid user zhangjisong from 101.231.124.6 port 43026
...

ay 24 14:24:36 localhost sshd[5032]: Connection closed by 123.21.31.23 port 41940 [preauth]
May 24 14:24:51 localhost sshd[5045]: Address 14.186.22.81 maps to static.vnpt.vn, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 24 14:24:51 localhost sshd[5045]: Invalid user admin from 14.186.22.81 port 41899
May 24 14:24:51 localhost sshd[5045]: input_userauth_request: invalid user admin [preauth]
May 24 14:24:51 localhost sshd[5045]: pam_unix(sshd:auth): check pass; user unknown
May 24 14:24:51 localhost sshd[5045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.186.22.81
May 24 14:24:53 localhost sshd[5045]: Failed password for invalid user admin from 14.186.22.81 port 41899 ssh2
May 24 14:24:53 localhost sshd[5045]: Connection closed by 14.186.22.81 port 41899 [preauth]

Multiple SSH login attempts.

May 24 14:22:42 localhost sshd[4836]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.7  user=root
May 24 14:22:42 localhost sshd[4836]: pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root"

ssh brute force

May 24 07:28:17 ip-172-31-61-156 sshd[20267]: Failed password for invalid user kiban01 from 128.199.95.161 port 39046 ssh2
May 24 07:28:15 ip-172-31-61-156 sshd[20267]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.95.161
May 24 07:28:15 ip-172-31-61-156 sshd[20267]: Invalid user kiban01 from 128.199.95.161
May 24 07:28:17 ip-172-31-61-156 sshd[20267]: Failed password for invalid user kiban01 from 128.199.95.161 port 39046 ssh2
May 24 07:29:57 ip-172-31-61-156 sshd[20307]: Invalid user hjsung from 128.199.95.161
...

Invalid user gob from 182.61.43.196 port 47612

Invalid user csf from 168.232.136.111 port 47078

May 24 12:35:16 dhoomketu sshd[146934]: Invalid user shkim from 45.71.100.67 port 37211
May 24 12:35:16 dhoomketu sshd[146934]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.71.100.67 
May 24 12:35:16 dhoomketu sshd[146934]: Invalid user shkim from 45.71.100.67 port 37211
May 24 12:35:19 dhoomketu sshd[146934]: Failed password for invalid user shkim from 45.71.100.67 port 37211 ssh2
May 24 12:39:46 dhoomketu sshd[147095]: Invalid user isseitkd from 45.71.100.67 port 39854
...

May 24 09:09:39 vps647732 sshd[4960]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.111.182.132
May 24 09:09:41 vps647732 sshd[4960]: Failed password for invalid user wuz from 36.111.182.132 port 60950 ssh2
...