Invalid user alpine from 43.226.156.8 port 35788

Jul 28 09:14:07 nxxxxxxx0 sshd[21396]: Invalid user zhuxiaojian from 43.226.156.173
Jul 28 09:14:07 nxxxxxxx0 sshd[21396]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.173 
Jul 28 09:14:09 nxxxxxxx0 sshd[21396]: Failed password for invalid user zhuxiaojian from 43.226.156.173 port 54126 ssh2
Jul 28 09:14:10 nxxxxxxx0 sshd[21396]: Received disconnect from 43.226.156.173: 11: Bye Bye [preauth]
Jul 28 09:17:28 nxxxxxxx0 sshd[21718]: Invalid user zhengyifan from 43.226.156.173
Jul 28 09:17:28 nxxxxxxx0 sshd[21718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.173 
Jul 28 09:17:30 nxxxxxxx0 sshd[21718]: Failed password for invalid user zhengyifan from 43.226.156.173 port 55424 ssh2
Jul 28 09:17:30 nxxxxxxx0 sshd[21718]: Received disconnect from 43.226.156.173: 11: Bye Bye [preauth]
Jul 28 09:22:06 nxxxxxxx0 sshd[22165]: Invalid user axuv from 43.226.156.173
Jul 28 09:2........
-------------------------------

Jul 28 09:14:07 nxxxxxxx0 sshd[21396]: Invalid user zhuxiaojian from 43.226.156.173
Jul 28 09:14:07 nxxxxxxx0 sshd[21396]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.173 
Jul 28 09:14:09 nxxxxxxx0 sshd[21396]: Failed password for invalid user zhuxiaojian from 43.226.156.173 port 54126 ssh2
Jul 28 09:14:10 nxxxxxxx0 sshd[21396]: Received disconnect from 43.226.156.173: 11: Bye Bye [preauth]
Jul 28 09:17:28 nxxxxxxx0 sshd[21718]: Invalid user zhengyifan from 43.226.156.173
Jul 28 09:17:28 nxxxxxxx0 sshd[21718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.173 
Jul 28 09:17:30 nxxxxxxx0 sshd[21718]: Failed password for invalid user zhengyifan from 43.226.156.173 port 55424 ssh2
Jul 28 09:17:30 nxxxxxxx0 sshd[21718]: Received disconnect from 43.226.156.173: 11: Bye Bye [preauth]
Jul 28 09:22:06 nxxxxxxx0 sshd[22165]: Invalid user axuv from 43.226.156.173
Jul 28 09:2........
-------------------------------

2020-07-10T05:24:56.871712shield sshd\[26352\]: Invalid user kazakov from 43.226.156.254 port 42822
2020-07-10T05:24:56.877468shield sshd\[26352\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.254
2020-07-10T05:24:58.752580shield sshd\[26352\]: Failed password for invalid user kazakov from 43.226.156.254 port 42822 ssh2
2020-07-10T05:28:42.337917shield sshd\[27638\]: Invalid user alex from 43.226.156.254 port 59814
2020-07-10T05:28:42.346541shield sshd\[27638\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.254

Jul  4 03:01:21 minden010 sshd[28078]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.236
Jul  4 03:01:24 minden010 sshd[28078]: Failed password for invalid user user1 from 43.226.156.236 port 49046 ssh2
Jul  4 03:05:26 minden010 sshd[29498]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.236
...

2020-06-18T14:08:09.381209+02:00  sshd[15070]: Failed password for invalid user rain from 43.226.156.254 port 46300 ssh2

Jun  5 15:12:00 [host] sshd[15165]: pam_unix(sshd:
Jun  5 15:12:02 [host] sshd[15165]: Failed passwor
Jun  5 15:16:46 [host] sshd[15364]: pam_unix(sshd:

Failed password for invalid user tasha from 43.226.156.93 port 40504 ssh2

2020-04-05 05:44:17	Possible DoS HGOD SynKiller Flooding	43.226.156.229

Invalid user oracle from 43.226.156.147 port 44407

Mar 17 06:31:12 srv05 sshd[29440]: Failed password for invalid user 2201
 from 43.226.156.198 port 35985 ssh2
Mar 17 06:31:12 srv05 sshd[29440]: Received disconnect from 43.226.156.198: 11: Bye Bye [preauth]
Mar 17 06:42:25 srv05 sshd[29996]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.198  user=r.r
Mar 17 06:42:27 srv05 sshd[29996]: Failed password for r.r from 43.226.156.198 port 42435 ssh2
Mar 17 06:42:27 srv05 sshd[29996]: Received disconnect from 43.226.156.198: 11: Bye Bye [preauth]
Mar 17 06:47:33 srv05 sshd[30187]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.226.156.198  user=r.r
Mar 17 06:47:35 srv05 sshd[30187]: Failed password for r.r from 43.226.156.198 port 57725 ssh2
Mar 17 06:47:35 srv05 sshd[30187]: Received disconnect from 43.226.156.198: 11: Bye Bye [preauth]
Mar 17 06:52:58 srv05 sshd[30428]: pam_unix(sshd:auth): authentication failure; logname= uid=0........
-------------------------------

Dec 13 05:14:37 scivo sshd[20983]: Did not receive identification string from 35.240.119.142
Dec 13 05:15:22 scivo sshd[21033]: Did not receive identification string from 35.240.119.142
Dec 13 05:16:45 scivo sshd[21079]: Invalid user ftpuser from 35.240.119.142
Dec 13 05:16:47 scivo sshd[21079]: Failed password for invalid user ftpuser from 35.240.119.142 port 51918 ssh2
Dec 13 05:16:47 scivo sshd[21079]: Received disconnect from 35.240.119.142: 11: Normal Shutdown, Thank you for playing [preauth]
Dec 13 05:17:48 scivo sshd[21127]: Invalid user ghostname from 35.240.119.142
Dec 13 05:17:50 scivo sshd[21127]: Failed password for invalid user ghostname from 35.240.119.142 port 55300 ssh2
Dec 13 05:17:50 scivo sshd[21127]: Received disconnect from 35.240.119.142: 11: Normal Shutdown, Thank you for playing [preauth]
Dec 13 05:18:48 scivo sshd[21174]: Invalid user oracle from 35.240.119.142
Dec 13 05:18:50 scivo sshd[21174]: Failed password for invalid user oracle from 35.24........
-------------------------------

Attempt to attack host OS, exploiting network vulnerabilities, on 14-12-2019 06:25:12.

SSH login attempts

Dec 14 13:48:56 server sshd\[32162\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.217.207.130  user=root
Dec 14 13:48:58 server sshd\[32162\]: Failed password for root from 112.217.207.130 port 51850 ssh2
Dec 14 13:57:19 server sshd\[2317\]: Invalid user com from 112.217.207.130
Dec 14 13:57:19 server sshd\[2317\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.217.207.130 
Dec 14 13:57:21 server sshd\[2317\]: Failed password for invalid user com from 112.217.207.130 port 57184 ssh2
...

2019-12-14T12:12:05.338025scmdmz1 sshd\[25369\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.194  user=root
2019-12-14T12:12:07.025234scmdmz1 sshd\[25369\]: Failed password for root from 112.85.42.194 port 24582 ssh2
2019-12-14T12:12:09.541346scmdmz1 sshd\[25369\]: Failed password for root from 112.85.42.194 port 24582 ssh2
...

Dec 14 07:25:45 smtp postfix/smtpd[59497]: NOQUEUE: reject: RCPT from aircraft.shrewdmhealth.com[81.28.100.103]: 554 5.7.1 Service unavailable; Client host [81.28.100.103] blocked using zen.spamhaus.org; from= to= proto=ESMTP helo=
...

Dec 12 18:16:17 ovpn sshd[26824]: Did not receive identification string from 118.24.162.32
Dec 12 18:16:43 ovpn sshd[26945]: Bad protocol version identification '-HSS2.0-libssh-0.6.3' from 118.24.162.32 port 44260
Dec 12 18:37:44 ovpn sshd[32570]: Did not receive identification string from 118.24.162.32
Dec 12 18:41:04 ovpn sshd[981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.162.32  user=r.r
Dec 12 18:41:06 ovpn sshd[981]: Failed password for r.r from 118.24.162.32 port 34800 ssh2
Dec 12 18:41:06 ovpn sshd[981]: Received disconnect from 118.24.162.32 port 34800:11: Bye Bye [preauth]
Dec 12 18:41:06 ovpn sshd[981]: Disconnected from 118.24.162.32 port 34800 [preauth]
Dec 12 18:44:32 ovpn sshd[1808]: Invalid user matt from 118.24.162.32
Dec 12 18:44:32 ovpn sshd[1808]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.162.32
Dec 12 18:44:34 ovpn sshd[1808]: Failed password fo........
------------------------------

Invalid user valdemoro from 45.55.86.19 port 45595
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.86.19
Failed password for invalid user valdemoro from 45.55.86.19 port 45595 ssh2
Invalid user ralf123 from 45.55.86.19 port 49799
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.86.19

xmlrpc attack

2019-12-14T10:15:56.157207  sshd[19396]: Invalid user gama from 181.169.252.31 port 51376
2019-12-14T10:15:56.171938  sshd[19396]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.169.252.31
2019-12-14T10:15:56.157207  sshd[19396]: Invalid user gama from 181.169.252.31 port 51376
2019-12-14T10:15:57.804962  sshd[19396]: Failed password for invalid user gama from 181.169.252.31 port 51376 ssh2
2019-12-14T10:38:22.372208  sshd[19899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.169.252.31  user=root
2019-12-14T10:38:24.120525  sshd[19899]: Failed password for root from 181.169.252.31 port 34171 ssh2
...

2019-12-14T10:15:56.196315shield sshd\[12885\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.128.67.212  user=root
2019-12-14T10:15:58.380587shield sshd\[12885\]: Failed password for root from 213.128.67.212 port 54188 ssh2
2019-12-14T10:23:13.617350shield sshd\[15380\]: Invalid user salomao from 213.128.67.212 port 34360
2019-12-14T10:23:13.622633shield sshd\[15380\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.128.67.212
2019-12-14T10:23:15.134089shield sshd\[15380\]: Failed password for invalid user salomao from 213.128.67.212 port 34360 ssh2

Dec 14 11:31:51 meumeu sshd[28072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.49.23 
Dec 14 11:31:54 meumeu sshd[28072]: Failed password for invalid user apache from 128.199.49.23 port 34876 ssh2
Dec 14 11:37:26 meumeu sshd[28911]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.49.23 
...

Dec 14 11:41:20 vps691689 sshd[25218]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.91.176.139
Dec 14 11:41:22 vps691689 sshd[25218]: Failed password for invalid user karlerik from 80.91.176.139 port 40887 ssh2
...

Dec 14 14:09:19 debian-2gb-vpn-nbg1-1 kernel: [700134.068666] [UFW BLOCK] IN=eth0 OUT= MAC=96:00:00:38:96:44:d2:74:7f:6e:37:e3:08:00 SRC=94.102.49.65 DST=78.46.192.101 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=15601 PROTO=TCP SPT=46104 DPT=56715 WINDOW=1024 RES=0x00 SYN URGP=0

Dec 14 11:48:39 dcd-gentoo sshd[14528]: User root from 218.92.0.189 not allowed because none of user's groups are listed in AllowGroups
Dec 14 11:48:42 dcd-gentoo sshd[14528]: error: PAM: Authentication failure for illegal user root from 218.92.0.189
Dec 14 11:48:39 dcd-gentoo sshd[14528]: User root from 218.92.0.189 not allowed because none of user's groups are listed in AllowGroups
Dec 14 11:48:42 dcd-gentoo sshd[14528]: error: PAM: Authentication failure for illegal user root from 218.92.0.189
Dec 14 11:48:39 dcd-gentoo sshd[14528]: User root from 218.92.0.189 not allowed because none of user's groups are listed in AllowGroups
Dec 14 11:48:42 dcd-gentoo sshd[14528]: error: PAM: Authentication failure for illegal user root from 218.92.0.189
Dec 14 11:48:42 dcd-gentoo sshd[14528]: Failed keyboard-interactive/pam for invalid user root from 218.92.0.189 port 48852 ssh2
...