2020-01-01T23:44:35.191861pl1.awoom.xyz sshd[22824]: Invalid user schlichting from 106.75.122.168 port 34292
2020-01-01T23:44:35.197194pl1.awoom.xyz sshd[22824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.168
2020-01-01T23:44:35.191861pl1.awoom.xyz sshd[22824]: Invalid user schlichting from 106.75.122.168 port 34292
2020-01-01T23:44:37.185177pl1.awoom.xyz sshd[22824]: Failed password for invalid user schlichting from 106.75.122.168 port 34292 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.75.122.168

$f2bV_matches_ltvn

fail2ban -- 106.75.122.191
...

fail2ban -- 106.75.122.191
...

Lines containing failures of 106.75.122.191
Sep 13 00:58:25 linuxrulz sshd[30003]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.191  user=r.r
Sep 13 00:58:27 linuxrulz sshd[30003]: Failed password for r.r from 106.75.122.191 port 54662 ssh2
Sep 13 00:58:28 linuxrulz sshd[30003]: Received disconnect from 106.75.122.191 port 54662:11: Bye Bye [preauth]
Sep 13 00:58:28 linuxrulz sshd[30003]: Disconnected from authenticating user r.r 106.75.122.191 port 54662 [preauth]
Sep 13 01:19:06 linuxrulz sshd[32759]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.191  user=r.r
Sep 13 01:19:08 linuxrulz sshd[32759]: Failed password for r.r from 106.75.122.191 port 50722 ssh2
Sep 13 01:19:09 linuxrulz sshd[32759]: Received disconnect from 106.75.122.191 port 50722:11: Bye Bye [preauth]
Sep 13 01:19:09 linuxrulz sshd[32759]: Disconnected from authenticating user r.r 106.75.122.191 po........
------------------------------

Dec 22 19:09:07 hell sshd[15798]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202
Dec 22 19:09:10 hell sshd[15798]: Failed password for invalid user beebe from 106.75.122.202 port 48566 ssh2
...

2019-12-17T05:16:33.715212abusebot-3.cloudsearch.cf sshd\[5260\]: Invalid user shinnhong from 106.75.122.202 port 45444
2019-12-17T05:16:33.722490abusebot-3.cloudsearch.cf sshd\[5260\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202
2019-12-17T05:16:35.210079abusebot-3.cloudsearch.cf sshd\[5260\]: Failed password for invalid user shinnhong from 106.75.122.202 port 45444 ssh2
2019-12-17T05:25:25.868220abusebot-3.cloudsearch.cf sshd\[5299\]: Invalid user function from 106.75.122.202 port 43784

Dec 16 11:36:48 TORMINT sshd\[26123\]: Invalid user zulema from 106.75.122.202
Dec 16 11:36:48 TORMINT sshd\[26123\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202
Dec 16 11:36:50 TORMINT sshd\[26123\]: Failed password for invalid user zulema from 106.75.122.202 port 58202 ssh2
...

Brute-force attempt banned

Dec 12 01:03:18 loxhost sshd\[8438\]: Invalid user sf from 106.75.122.81 port 60794
Dec 12 01:03:18 loxhost sshd\[8438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.81
Dec 12 01:03:20 loxhost sshd\[8438\]: Failed password for invalid user sf from 106.75.122.81 port 60794 ssh2
Dec 12 01:08:48 loxhost sshd\[8561\]: Invalid user freddy from 106.75.122.81 port 60792
Dec 12 01:08:48 loxhost sshd\[8561\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.81
...

Dec 11 16:27:41 vtv3 sshd[2511]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202 
Dec 11 16:27:43 vtv3 sshd[2511]: Failed password for invalid user dbus from 106.75.122.202 port 43410 ssh2
Dec 11 16:34:31 vtv3 sshd[5727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202 
Dec 11 16:48:31 vtv3 sshd[12879]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202 
Dec 11 16:48:33 vtv3 sshd[12879]: Failed password for invalid user ed from 106.75.122.202 port 49236 ssh2
Dec 11 16:56:29 vtv3 sshd[16782]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202 
Dec 11 17:13:01 vtv3 sshd[24538]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202 
Dec 11 17:13:02 vtv3 sshd[24538]: Failed password for invalid user IEIeMerge from 106.75.122.202 port 55130 ssh2
Dec 11 17:

Dec  9 16:44:18 localhost sshd\[6218\]: Invalid user hilmi from 106.75.122.81 port 50534
Dec  9 16:44:18 localhost sshd\[6218\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.81
Dec  9 16:44:20 localhost sshd\[6218\]: Failed password for invalid user hilmi from 106.75.122.81 port 50534 ssh2

Dec  6 06:50:10 markkoudstaal sshd[26758]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.81
Dec  6 06:50:13 markkoudstaal sshd[26758]: Failed password for invalid user sisecftp from 106.75.122.81 port 33368 ssh2
Dec  6 06:57:00 markkoudstaal sshd[27525]: Failed password for root from 106.75.122.81 port 33170 ssh2

2019-12-04 12:25:20,763 fail2ban.actions: WARNING [ssh] Ban 106.75.122.202

Dec  2 10:30:37 vps647732 sshd[19479]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202
Dec  2 10:30:39 vps647732 sshd[19479]: Failed password for invalid user constance from 106.75.122.202 port 32960 ssh2
...

2019-11-28T09:51:41.309908abusebot-5.cloudsearch.cf sshd\[23157\]: Invalid user bula from 106.75.122.81 port 41966

Nov 24 15:50:22 serwer sshd\[20177\]: Invalid user neuffer from 106.75.122.202 port 58566
Nov 24 15:50:22 serwer sshd\[20177\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.122.202
Nov 24 15:50:25 serwer sshd\[20177\]: Failed password for invalid user neuffer from 106.75.122.202 port 58566 ssh2
...

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Attempt to attack host OS, exploiting network vulnerabilities, on 22-09-2019 04:55:21.

(PERMBLOCK) 77.247.108.49 (NL/Netherlands/-) has had more than 4 temp blocks in the last 86400 secs

Sep 21 23:56:38 aat-srv002 sshd[5562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.192.6
Sep 21 23:56:39 aat-srv002 sshd[5562]: Failed password for invalid user user from 104.236.192.6 port 50684 ssh2
Sep 22 00:00:41 aat-srv002 sshd[5780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.192.6
Sep 22 00:00:43 aat-srv002 sshd[5780]: Failed password for invalid user tim from 104.236.192.6 port 34000 ssh2
...

Sep 22 06:57:46 v22019058497090703 sshd[23217]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.109.155
Sep 22 06:57:47 v22019058497090703 sshd[23217]: Failed password for invalid user alex from 62.234.109.155 port 43323 ssh2
Sep 22 07:03:13 v22019058497090703 sshd[23774]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.109.155
...

Attempt to attack host OS, exploiting network vulnerabilities, on 22-09-2019 04:55:22.

Sep 22 07:21:18 MK-Soft-VM3 sshd[24793]: Failed password for root from 122.195.200.148 port 16709 ssh2
Sep 22 07:21:22 MK-Soft-VM3 sshd[24793]: Failed password for root from 122.195.200.148 port 16709 ssh2
...

\[2019-09-22 00:58:55\] NOTICE\[2270\] chan_sip.c: Registration from '\' failed for '81.171.107.56:60059' - Wrong password
\[2019-09-22 00:58:55\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-22T00:58:55.177-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6665",SessionID="0x7fcd8c0e1918",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.107.56/60059",Challenge="25e8af64",ReceivedChallenge="25e8af64",ReceivedHash="a5fa66493a922d4d4776902e92beff90"
\[2019-09-22 00:59:14\] NOTICE\[2270\] chan_sip.c: Registration from '\' failed for '81.171.107.56:50926' - Wrong password
\[2019-09-22 00:59:14\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-22T00:59:14.226-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5593",SessionID="0x7fcd8c1c4788",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.10

Sep 22 07:04:27 jane sshd[8434]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.213.100.212 
Sep 22 07:04:28 jane sshd[8434]: Failed password for invalid user 12345 from 129.213.100.212 port 50956 ssh2
...

Sep 21 19:42:53 auw2 sshd\[32288\]: Invalid user ulpiano from 118.98.121.207
Sep 21 19:42:53 auw2 sshd\[32288\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.98.121.207
Sep 21 19:42:55 auw2 sshd\[32288\]: Failed password for invalid user ulpiano from 118.98.121.207 port 53846 ssh2
Sep 21 19:48:22 auw2 sshd\[387\]: Invalid user y from 118.98.121.207
Sep 21 19:48:22 auw2 sshd\[387\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.98.121.207

Sep 22 07:12:28 taivassalofi sshd[40555]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.48.191
Sep 22 07:12:30 taivassalofi sshd[40555]: Failed password for invalid user pi from 46.101.48.191 port 54685 ssh2
...

Invalid user renault from 182.61.177.109 port 41242

Sep 22 06:57:46 webserver postfix/smtpd\[5070\]: warning: unknown\[45.142.195.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 06:58:56 webserver postfix/smtpd\[5136\]: warning: unknown\[45.142.195.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 07:00:06 webserver postfix/smtpd\[5070\]: warning: unknown\[45.142.195.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 07:01:16 webserver postfix/smtpd\[4562\]: warning: unknown\[45.142.195.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 07:02:26 webserver postfix/smtpd\[5136\]: warning: unknown\[45.142.195.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Sep 21 19:16:46 auw2 sshd\[29341\]: Invalid user nnn from 197.156.72.154
Sep 21 19:16:46 auw2 sshd\[29341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.156.72.154
Sep 21 19:16:48 auw2 sshd\[29341\]: Failed password for invalid user nnn from 197.156.72.154 port 35089 ssh2
Sep 21 19:22:38 auw2 sshd\[30025\]: Invalid user ethan from 197.156.72.154
Sep 21 19:22:38 auw2 sshd\[30025\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.156.72.154

Sep 21 19:34:05 hcbb sshd\[9145\]: Invalid user andrey from 167.114.153.77
Sep 21 19:34:05 hcbb sshd\[9145\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.ip-167-114-153.net
Sep 21 19:34:07 hcbb sshd\[9145\]: Failed password for invalid user andrey from 167.114.153.77 port 40503 ssh2
Sep 21 19:38:40 hcbb sshd\[9509\]: Invalid user qf from 167.114.153.77
Sep 21 19:38:40 hcbb sshd\[9509\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.ip-167-114-153.net