Oct 14 21:58:27 albuquerque postfix/smtpd\[24078\]: NOQUEUE: reject: RCPT from unknown\[193.32.160.135\]: 554 5.7.1 Service unavailable\; Client host \[193.32.160.135\] blocked using sbl-xbl.spamhaus.org\; https://www.spamhaus.org/sbl/query/SBLCSS\; from=\ to=\ proto=ESMTP helo=\<\[193.32.160.142\]\>Oct 14 21:58:27 albuquerque postfix/smtpd\[24078\]: NOQUEUE: reject: RCPT from unknown\[193.32.160.135\]: 554 5.7.1 Service unavailable\; Client host \[193.32.160.135\] blocked using sbl-xbl.spamhaus.org\; https://www.spamhaus.org/sbl/query/SBLCSS\; from=\ to=\ proto=ESMTP helo=\<\[193.32.160.142\]\>Oct 14 21:58:27 albuquerque postfix/smtpd\[24078\]: NOQUEUE: reject: RCPT from unknown\[193.32.160.135\]: 554 5.7.1 Service unavailable\; Client host \[193.32.160.135\] blocked using sbl-xbl.spamhaus.org\; https://www.spamhaus.org/sbl/query/SBLCSS\; from=\ to=\ proto=ESMTP

Oct 14 19:50:13 ip-172-31-62-245 sshd\[308\]: Invalid user test123 from 140.143.197.232\
Oct 14 19:50:15 ip-172-31-62-245 sshd\[308\]: Failed password for invalid user test123 from 140.143.197.232 port 39724 ssh2\
Oct 14 19:54:18 ip-172-31-62-245 sshd\[316\]: Invalid user idc!@\#EWQ from 140.143.197.232\
Oct 14 19:54:20 ip-172-31-62-245 sshd\[316\]: Failed password for invalid user idc!@\#EWQ from 140.143.197.232 port 47092 ssh2\
Oct 14 19:58:08 ip-172-31-62-245 sshd\[341\]: Invalid user bideonera from 140.143.197.232\

Oct 14 16:50:58 ny01 sshd[2549]: Failed password for root from 222.186.175.147 port 26248 ssh2
Oct 14 16:51:17 ny01 sshd[2549]: error: maximum authentication attempts exceeded for root from 222.186.175.147 port 26248 ssh2 [preauth]
Oct 14 16:51:27 ny01 sshd[2598]: Failed password for root from 222.186.175.147 port 37434 ssh2

2019-10-15T07:28:20.425538luisaranguren sshd[1421455]: Connection from 218.150.220.206 port 55494 on 10.10.10.6 port 22
2019-10-15T07:28:32.990293luisaranguren sshd[1421455]: Invalid user gopi from 218.150.220.206 port 55494
2019-10-15T07:28:33.001472luisaranguren sshd[1421455]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.150.220.206
2019-10-15T07:28:20.425538luisaranguren sshd[1421455]: Connection from 218.150.220.206 port 55494 on 10.10.10.6 port 22
2019-10-15T07:28:32.990293luisaranguren sshd[1421455]: Invalid user gopi from 218.150.220.206 port 55494
2019-10-15T07:28:35.683628luisaranguren sshd[1421455]: Failed password for invalid user gopi from 218.150.220.206 port 55494 ssh2
...

port scan and connect, tcp 22 (ssh)

Automatic report - Banned IP Access

$f2bV_matches

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/41.253.112.20/ 
 LY - 1H : (1)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : LY 
 NAME ASN : ASN21003 
 
 IP : 41.253.112.20 
 
 CIDR : 41.253.96.0/19 
 
 PREFIX COUNT : 104 
 
 UNIQUE IP COUNT : 295424 
 
 
 WYKRYTE ATAKI Z ASN21003 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-10-14 21:58:08 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Oct 14 21:54:32 root sshd[1741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.192.253 
Oct 14 21:54:35 root sshd[1741]: Failed password for invalid user test321 from 164.132.192.253 port 35362 ssh2
Oct 14 21:58:27 root sshd[1788]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.192.253 
...

Test Connectivity

Oct 14 23:12:27 dcd-gentoo sshd[25508]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Oct 14 23:12:29 dcd-gentoo sshd[25508]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Oct 14 23:12:27 dcd-gentoo sshd[25508]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Oct 14 23:12:29 dcd-gentoo sshd[25508]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Oct 14 23:12:27 dcd-gentoo sshd[25508]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Oct 14 23:12:29 dcd-gentoo sshd[25508]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Oct 14 23:12:29 dcd-gentoo sshd[25508]: Failed keyboard-interactive/pam for invalid user root from 218.92.0.191 port 11959 ssh2
...

Oct 14 22:41:37 ns41 sshd[29920]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.1.203

Oct 14 11:09:46 auw2 sshd\[21819\]: Invalid user 123QWEasd from 49.235.137.58
Oct 14 11:09:46 auw2 sshd\[21819\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.137.58
Oct 14 11:09:48 auw2 sshd\[21819\]: Failed password for invalid user 123QWEasd from 49.235.137.58 port 47010 ssh2
Oct 14 11:14:35 auw2 sshd\[22243\]: Invalid user dixie1 from 49.235.137.58
Oct 14 11:14:35 auw2 sshd\[22243\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.137.58

Brute force RDP, port 3389

2019-10-14T19:58:26Z - RDP login failed multiple times. (149.202.47.129)