Jan 20 11:06:51 h2779839 sshd[14957]: Invalid user test4 from 27.155.99.173 port 35440
Jan 20 11:06:51 h2779839 sshd[14957]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.173
Jan 20 11:06:51 h2779839 sshd[14957]: Invalid user test4 from 27.155.99.173 port 35440
Jan 20 11:06:54 h2779839 sshd[14957]: Failed password for invalid user test4 from 27.155.99.173 port 35440 ssh2
Jan 20 11:10:24 h2779839 sshd[15012]: Invalid user zimbra from 27.155.99.173 port 45470
Jan 20 11:10:24 h2779839 sshd[15012]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.173
Jan 20 11:10:24 h2779839 sshd[15012]: Invalid user zimbra from 27.155.99.173 port 45470
Jan 20 11:10:26 h2779839 sshd[15012]: Failed password for invalid user zimbra from 27.155.99.173 port 45470 ssh2
Jan 20 11:14:07 h2779839 sshd[15042]: Invalid user sybase from 27.155.99.173 port 55500
...

Fail2Ban - SSH Bruteforce Attempt

Jan  7 14:43:26 debian sshd[1792]: Unable to negotiate with 27.155.99.173 port 59199: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
Jan  7 14:54:25 debian sshd[2193]: Unable to negotiate with 27.155.99.173 port 22794: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
...

SSH bruteforce (Triggered fail2ban)

Nov 30 18:05:15 tuxlinux sshd[58361]: Invalid user ftp_user from 27.155.99.173 port 23126
Nov 30 18:05:15 tuxlinux sshd[58361]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.173 
Nov 30 18:05:15 tuxlinux sshd[58361]: Invalid user ftp_user from 27.155.99.173 port 23126
Nov 30 18:05:15 tuxlinux sshd[58361]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.173 
Nov 30 18:05:15 tuxlinux sshd[58361]: Invalid user ftp_user from 27.155.99.173 port 23126
Nov 30 18:05:15 tuxlinux sshd[58361]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.173 
Nov 30 18:05:18 tuxlinux sshd[58361]: Failed password for invalid user ftp_user from 27.155.99.173 port 23126 ssh2
...

FTP Brute-Force reported by Fail2Ban

2019-11-17T06:57:18.206804abusebot-2.cloudsearch.cf sshd\[18197\]: Invalid user zimbra from 27.155.99.173 port 57592

Invalid user zimbra from 27.155.99.173 port 47435

Invalid user admin from 27.155.99.173 port 37694

Invalid user applmgr from 27.155.99.173 port 22571

ssh failed login

Tried sshing with brute force.

Oct 26 11:59:56 vps01 sshd[7501]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.173
Oct 26 11:59:59 vps01 sshd[7501]: Failed password for invalid user smtpuser from 27.155.99.173 port 26369 ssh2

Jul 19 20:24:24 server sshd[59113]: Failed password for invalid user sophia from 27.155.99.122 port 34024 ssh2
Jul 19 20:45:45 server sshd[11282]: Failed password for invalid user sahil from 27.155.99.122 port 49150 ssh2
Jul 19 20:50:49 server sshd[15902]: Failed password for invalid user celeste from 27.155.99.122 port 45192 ssh2

2020-07-17T07:09:10.532516abusebot-2.cloudsearch.cf sshd[19162]: Invalid user ttc from 27.155.99.122 port 50199
2020-07-17T07:09:10.542682abusebot-2.cloudsearch.cf sshd[19162]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
2020-07-17T07:09:10.532516abusebot-2.cloudsearch.cf sshd[19162]: Invalid user ttc from 27.155.99.122 port 50199
2020-07-17T07:09:12.152560abusebot-2.cloudsearch.cf sshd[19162]: Failed password for invalid user ttc from 27.155.99.122 port 50199 ssh2
2020-07-17T07:14:19.524924abusebot-2.cloudsearch.cf sshd[19173]: Invalid user eks from 27.155.99.122 port 45112
2020-07-17T07:14:19.533992abusebot-2.cloudsearch.cf sshd[19173]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
2020-07-17T07:14:19.524924abusebot-2.cloudsearch.cf sshd[19173]: Invalid user eks from 27.155.99.122 port 45112
2020-07-17T07:14:21.565185abusebot-2.cloudsearch.cf sshd[19173]: Failed password 
...

2020-06-27T23:47:00.935593sd-86998 sshd[15365]: Invalid user test from 27.155.99.122 port 37300
2020-06-27T23:47:00.940632sd-86998 sshd[15365]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
2020-06-27T23:47:00.935593sd-86998 sshd[15365]: Invalid user test from 27.155.99.122 port 37300
2020-06-27T23:47:03.257240sd-86998 sshd[15365]: Failed password for invalid user test from 27.155.99.122 port 37300 ssh2
2020-06-27T23:51:49.558262sd-86998 sshd[15939]: Invalid user montse from 27.155.99.122 port 34238
...

$f2bV_matches

Jun  3 22:49:16 [host] sshd[15981]: pam_unix(sshd:
Jun  3 22:49:18 [host] sshd[15981]: Failed passwor
Jun  3 22:54:11 [host] sshd[16122]: pam_unix(sshd:

Failed password for invalid user hammer from 27.155.99.122 port 41377 ssh2

20 attempts against mh-ssh on echoip

2020-05-11T12:03:28.934345randservbullet-proofcloud-66.localdomain sshd[28934]: Invalid user ci from 27.155.99.122 port 60158
2020-05-11T12:03:28.938302randservbullet-proofcloud-66.localdomain sshd[28934]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
2020-05-11T12:03:28.934345randservbullet-proofcloud-66.localdomain sshd[28934]: Invalid user ci from 27.155.99.122 port 60158
2020-05-11T12:03:31.271728randservbullet-proofcloud-66.localdomain sshd[28934]: Failed password for invalid user ci from 27.155.99.122 port 60158 ssh2
...

May 10 05:47:53 eventyay sshd[17052]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
May 10 05:47:55 eventyay sshd[17052]: Failed password for invalid user may from 27.155.99.122 port 56103 ssh2
May 10 05:53:46 eventyay sshd[17168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
...

May  7 01:55:42 ns382633 sshd\[24581\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122  user=root
May  7 01:55:44 ns382633 sshd\[24581\]: Failed password for root from 27.155.99.122 port 37347 ssh2
May  7 01:59:25 ns382633 sshd\[24954\]: Invalid user mark from 27.155.99.122 port 54278
May  7 01:59:25 ns382633 sshd\[24954\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
May  7 01:59:27 ns382633 sshd\[24954\]: Failed password for invalid user mark from 27.155.99.122 port 54278 ssh2

IP blocked

SSH Brute-Force. Ports scanning.

1433/tcp
[2020-02-08]1pkt

Nov 21 12:56:42 TORMINT sshd\[24345\]: Invalid user test1 from 27.155.99.161
Nov 21 12:56:42 TORMINT sshd\[24345\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.161
Nov 21 12:56:44 TORMINT sshd\[24345\]: Failed password for invalid user test1 from 27.155.99.161 port 42116 ssh2
...

Nov  8 18:13:29 SilenceServices sshd[12934]: Failed password for root from 27.155.99.161 port 39932 ssh2
Nov  8 18:19:38 SilenceServices sshd[17008]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.161
Nov  8 18:19:40 SilenceServices sshd[17008]: Failed password for invalid user nancys from 27.155.99.161 port 58566 ssh2

Automatic report - Banned IP Access

Oct 18 06:59:30 www sshd\[41203\]: Invalid user k from 106.12.7.173Oct 18 06:59:32 www sshd\[41203\]: Failed password for invalid user k from 106.12.7.173 port 58180 ssh2Oct 18 07:04:27 www sshd\[41455\]: Invalid user ru from 106.12.7.173
...

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/212.144.80.176/ 
 DE - 1H : (63)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : DE 
 NAME ASN : ASN3209 
 
 IP : 212.144.80.176 
 
 CIDR : 212.144.0.0/16 
 
 PREFIX COUNT : 165 
 
 UNIQUE IP COUNT : 8314624 
 
 
 WYKRYTE ATAKI Z ASN3209 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 3 
 24H - 5 
 
 DateTime : 2019-10-18 11:43:23 
 
 INFO : Port SSH 22 Scan Detected and Blocked by ADMIN  - data recovery

10/18/2019-13:45:26.329983 104.168.253.82 Protocol: 6 ET COMPROMISED Known Compromised or Hostile Host Traffic group 1

Port 1433 Scan

postfix (unknown user, SPF fail or relay access denied)

Oct 18 00:22:35 php1 sshd\[23935\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.159.150.10  user=root
Oct 18 00:22:37 php1 sshd\[23935\]: Failed password for root from 211.159.150.10 port 55842 ssh2
Oct 18 00:27:07 php1 sshd\[24339\]: Invalid user sdtdserver from 211.159.150.10
Oct 18 00:27:07 php1 sshd\[24339\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.159.150.10
Oct 18 00:27:09 php1 sshd\[24339\]: Failed password for invalid user sdtdserver from 211.159.150.10 port 57636 ssh2

DATE:2019-10-18 05:43:59, IP:122.105.99.152, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)

10/17/2019-23:43:38.361978 185.79.156.167 Protocol: 6 ET SCAN NMAP -sS window 1024

Port 1433 Scan

2019-10-18T11:05:25.861843enmeeting.mahidol.ac.th sshd\[19548\]: User root from 188.93.235.226 not allowed because not listed in AllowUsers
2019-10-18T11:05:25.986912enmeeting.mahidol.ac.th sshd\[19548\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.93.235.226  user=root
2019-10-18T11:05:27.643698enmeeting.mahidol.ac.th sshd\[19548\]: Failed password for invalid user root from 188.93.235.226 port 45399 ssh2
...

Oct 17 19:23:57 hpm sshd\[8515\]: Invalid user 16wan from 111.231.109.151
Oct 17 19:23:57 hpm sshd\[8515\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.109.151
Oct 17 19:23:59 hpm sshd\[8515\]: Failed password for invalid user 16wan from 111.231.109.151 port 35352 ssh2
Oct 17 19:29:26 hpm sshd\[8975\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.109.151  user=root
Oct 17 19:29:28 hpm sshd\[8975\]: Failed password for root from 111.231.109.151 port 45774 ssh2

2019-10-18T11:14:36.547507abusebot.cloudsearch.cf sshd\[15272\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=this-is-a-tor-exit-node-hviv114.hviv.nl  user=root

Oct 15 01:21:00 srv05 sshd[7276]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94-172-166-228.dynamic.chello.pl  user=r.r
Oct 15 01:21:02 srv05 sshd[7276]: Failed password for r.r from 94.172.166.228 port 58256 ssh2
Oct 15 01:21:02 srv05 sshd[7276]: Received disconnect from 94.172.166.228: 11: Bye Bye [preauth]
Oct 15 01:33:30 srv05 sshd[8404]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94-172-166-228.dynamic.chello.pl  user=r.r
Oct 15 01:33:32 srv05 sshd[8404]: Failed password for r.r from 94.172.166.228 port 33118 ssh2
Oct 15 01:33:32 srv05 sshd[8404]: Received disconnect from 94.172.166.228: 11: Bye Bye [preauth]
Oct 15 01:37:28 srv05 sshd[8849]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94-172-166-228.dynamic.chello.pl
Oct 15 01:37:30 srv05 sshd[8849]: Failed password for invalid user web from 94.172.166.228 port 47118 ssh2
Oct 15 01:........
-------------------------------

Attempt to attack host OS, exploiting network vulnerabilities, on 18-10-2019 12:45:23.