2020-09-20 12:00:32.628647-0500  localhost smtpd[52512]: NOQUEUE: reject: RCPT from unknown[103.110.160.46]: 554 5.7.1 Service unavailable; Client host [103.110.160.46] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/103.110.160.46; from= to= proto=ESMTP helo=<[103.110.160.46]>

Sep 21 02:08:35 ns382633 sshd\[14111\]: Invalid user user from 181.49.118.185 port 41142
Sep 21 02:08:35 ns382633 sshd\[14111\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.49.118.185
Sep 21 02:08:36 ns382633 sshd\[14111\]: Failed password for invalid user user from 181.49.118.185 port 41142 ssh2
Sep 21 02:16:59 ns382633 sshd\[15810\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.49.118.185  user=root
Sep 21 02:17:00 ns382633 sshd\[15810\]: Failed password for root from 181.49.118.185 port 56040 ssh2

2020-09-21 04:22:19,187 fail2ban.actions        [937]: NOTICE  [sshd] Ban 106.53.207.227
2020-09-21 04:58:52,847 fail2ban.actions        [937]: NOTICE  [sshd] Ban 106.53.207.227
2020-09-21 05:34:51,902 fail2ban.actions        [937]: NOTICE  [sshd] Ban 106.53.207.227
2020-09-21 06:15:14,443 fail2ban.actions        [937]: NOTICE  [sshd] Ban 106.53.207.227
2020-09-21 06:50:51,921 fail2ban.actions        [937]: NOTICE  [sshd] Ban 106.53.207.227
...

Newsletter E-Mail Spam (Confirmed) [C2A525F6716EFDA0CD]

71.11.134.32 (US/United States/-), 9 distributed sshd attacks on account [admin] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 20 13:03:10 server4 sshd[16368]: Invalid user admin from 71.11.134.32
Sep 20 12:53:10 server4 sshd[10082]: Invalid user admin from 24.237.89.47
Sep 20 12:53:17 server4 sshd[10390]: Invalid user admin from 148.70.149.39
Sep 20 12:53:19 server4 sshd[10390]: Failed password for invalid user admin from 148.70.149.39 port 59694 ssh2
Sep 20 12:57:11 server4 sshd[12743]: Failed password for invalid user admin from 96.42.78.206 port 35605 ssh2
Sep 20 12:57:12 server4 sshd[12773]: Invalid user admin from 96.42.78.206
Sep 20 12:57:07 server4 sshd[12739]: Invalid user admin from 96.42.78.206
Sep 20 12:57:08 server4 sshd[12739]: Failed password for invalid user admin from 96.42.78.206 port 35526 ssh2
Sep 20 12:57:09 server4 sshd[12743]: Invalid user admin from 96.42.78.206

IP Addresses Blocked:

(sshd) Failed SSH login from 77.47.193.83 (UA/Ukraine/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 21 08:11:44 server4 sshd[23118]: Invalid user admin from 77.47.193.83
Sep 21 08:11:44 server4 sshd[23118]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.47.193.83 
Sep 21 08:11:47 server4 sshd[23118]: Failed password for invalid user admin from 77.47.193.83 port 40304 ssh2
Sep 21 08:26:48 server4 sshd[646]: Invalid user git from 77.47.193.83
Sep 21 08:26:48 server4 sshd[646]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.47.193.83

Sep 21 14:47:57 vps647732 sshd[31450]: Failed password for root from 218.92.0.223 port 48816 ssh2
Sep 21 14:48:10 vps647732 sshd[31450]: error: maximum authentication attempts exceeded for root from 218.92.0.223 port 48816 ssh2 [preauth]
...

[f2b] sshd bruteforce, retries: 1

2020-09-20T17:03:05Z - RDP login failed multiple times. (81.25.72.56)

Sep 21 14:12:29 ns382633 sshd\[22043\]: Invalid user deploy from 103.91.210.9 port 54478
Sep 21 14:12:29 ns382633 sshd\[22043\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.91.210.9
Sep 21 14:12:31 ns382633 sshd\[22043\]: Failed password for invalid user deploy from 103.91.210.9 port 54478 ssh2
Sep 21 14:29:43 ns382633 sshd\[25259\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.91.210.9  user=root
Sep 21 14:29:45 ns382633 sshd\[25259\]: Failed password for root from 103.91.210.9 port 47286 ssh2

Listed on    zen-spamhaus also abuseat.org and dnsbl-sorbs   / proto=6  .  srcport=28986  .  dstport=23  .     (2342)

IP: 173.44.175.29
Ports affected
    Simple Mail Transfer (25) 
Found in DNSBL('s)
ASN Details
   AS62904 EONIX-COMMUNICATIONS-ASBLOCK-62904
   United States (US)
   CIDR 173.44.168.0/21
Log Date: 20/09/2020 5:24:33 PM UTC

Automatic report - Port Scan Attack

"Unauthorized connection attempt on SSHD detected"

Sep 21 12:42:43 ourumov-web sshd\[15034\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.149.39  user=root
Sep 21 12:42:45 ourumov-web sshd\[15034\]: Failed password for root from 148.70.149.39 port 51236 ssh2
Sep 21 12:48:22 ourumov-web sshd\[15390\]: Invalid user jenkins from 148.70.149.39 port 45552
...