Sep 22 01:43:20 mail.srvfarm.net postfix/smtpd[3262457]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed: 
Sep 22 01:43:20 mail.srvfarm.net postfix/smtpd[3262457]: lost connection after AUTH from unknown[103.75.197.26]
Sep 22 01:47:30 mail.srvfarm.net postfix/smtpd[3262209]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed: 
Sep 22 01:47:30 mail.srvfarm.net postfix/smtpd[3262209]: lost connection after AUTH from unknown[103.75.197.26]
Sep 22 01:48:31 mail.srvfarm.net postfix/smtps/smtpd[3260893]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed:

Sep 21 18:57:43 mail.srvfarm.net postfix/smtps/smtpd[2949479]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed: 
Sep 21 18:57:44 mail.srvfarm.net postfix/smtps/smtpd[2949479]: lost connection after AUTH from unknown[103.75.197.26]
Sep 21 18:58:16 mail.srvfarm.net postfix/smtpd[2954550]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed: 
Sep 21 18:58:17 mail.srvfarm.net postfix/smtpd[2954550]: lost connection after AUTH from unknown[103.75.197.26]
Sep 21 19:03:11 mail.srvfarm.net postfix/smtps/smtpd[2951945]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed:

Sep 16 18:08:42 mail.srvfarm.net postfix/smtpd[3597747]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed: 
Sep 16 18:08:43 mail.srvfarm.net postfix/smtpd[3597747]: lost connection after AUTH from unknown[103.75.197.69]
Sep 16 18:13:41 mail.srvfarm.net postfix/smtps/smtpd[3581965]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed: 
Sep 16 18:13:42 mail.srvfarm.net postfix/smtps/smtpd[3581965]: lost connection after AUTH from unknown[103.75.197.69]
Sep 16 18:17:26 mail.srvfarm.net postfix/smtpd[3597749]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed:

Sep 16 18:08:42 mail.srvfarm.net postfix/smtpd[3597747]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed: 
Sep 16 18:08:43 mail.srvfarm.net postfix/smtpd[3597747]: lost connection after AUTH from unknown[103.75.197.69]
Sep 16 18:13:41 mail.srvfarm.net postfix/smtps/smtpd[3581965]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed: 
Sep 16 18:13:42 mail.srvfarm.net postfix/smtps/smtpd[3581965]: lost connection after AUTH from unknown[103.75.197.69]
Sep 16 18:17:26 mail.srvfarm.net postfix/smtpd[3597749]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed:

failed_logins

Sep 13 19:25:01 mail.srvfarm.net postfix/smtps/smtpd[1253072]: warning: unknown[103.75.197.81]: SASL PLAIN authentication failed: 
Sep 13 19:25:03 mail.srvfarm.net postfix/smtps/smtpd[1253072]: lost connection after AUTH from unknown[103.75.197.81]
Sep 13 19:26:12 mail.srvfarm.net postfix/smtpd[1237035]: warning: unknown[103.75.197.81]: SASL PLAIN authentication failed: 
Sep 13 19:26:14 mail.srvfarm.net postfix/smtpd[1237035]: lost connection after AUTH from unknown[103.75.197.81]
Sep 13 19:30:57 mail.srvfarm.net postfix/smtps/smtpd[1253074]: warning: unknown[103.75.197.81]: SASL PLAIN authentication failed:

Brute force attempt

Brute force attempt

(smtpauth) Failed SMTP AUTH login from 103.75.197.64 (IN/India/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-08-25 08:28:27 plain authenticator failed for ([103.75.197.64]) [103.75.197.64]: 535 Incorrect authentication data (set_id=info@fmc-co.com)

(smtpauth) Failed SMTP AUTH login from 103.75.197.49 (IN/India/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-08-22 00:53:15 plain authenticator failed for ([103.75.197.49]) [103.75.197.49]: 535 Incorrect authentication data (set_id=edari_mali@behzisty-esfahan.ir)

Aug 15 00:49:59 mail.srvfarm.net postfix/smtpd[909357]: warning: unknown[103.75.197.134]: SASL PLAIN authentication failed: 
Aug 15 00:50:00 mail.srvfarm.net postfix/smtpd[909357]: lost connection after AUTH from unknown[103.75.197.134]
Aug 15 00:52:23 mail.srvfarm.net postfix/smtpd[908819]: warning: unknown[103.75.197.134]: SASL PLAIN authentication failed: 
Aug 15 00:52:23 mail.srvfarm.net postfix/smtpd[908819]: lost connection after AUTH from unknown[103.75.197.134]
Aug 15 00:53:39 mail.srvfarm.net postfix/smtpd[910663]: warning: unknown[103.75.197.134]: SASL PLAIN authentication failed:

Aug 15 02:08:09 mail.srvfarm.net postfix/smtpd[948607]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed: 
Aug 15 02:08:09 mail.srvfarm.net postfix/smtpd[948607]: lost connection after AUTH from unknown[103.75.197.69]
Aug 15 02:09:35 mail.srvfarm.net postfix/smtps/smtpd[963492]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed: 
Aug 15 02:09:35 mail.srvfarm.net postfix/smtps/smtpd[963492]: lost connection after AUTH from unknown[103.75.197.69]
Aug 15 02:17:18 mail.srvfarm.net postfix/smtpd[965135]: warning: unknown[103.75.197.69]: SASL PLAIN authentication failed:

Aug  7 05:08:43 mail.srvfarm.net postfix/smtpd[3188840]: warning: unknown[103.75.197.11]: SASL PLAIN authentication failed: 
Aug  7 05:08:43 mail.srvfarm.net postfix/smtpd[3188840]: lost connection after AUTH from unknown[103.75.197.11]
Aug  7 05:12:16 mail.srvfarm.net postfix/smtps/smtpd[3176099]: warning: unknown[103.75.197.11]: SASL PLAIN authentication failed: 
Aug  7 05:12:16 mail.srvfarm.net postfix/smtps/smtpd[3176099]: lost connection after AUTH from unknown[103.75.197.11]
Aug  7 05:16:28 mail.srvfarm.net postfix/smtpd[3188835]: warning: unknown[103.75.197.11]: SASL PLAIN authentication failed:

Automatic report - XMLRPC Attack

Nov  3 04:19:13 venus sshd\[29178\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.199  user=root
Nov  3 04:19:15 venus sshd\[29178\]: Failed password for root from 218.92.0.199 port 52244 ssh2
Nov  3 04:19:17 venus sshd\[29178\]: Failed password for root from 218.92.0.199 port 52244 ssh2
...

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/110.179.9.43/ 
 
 CN - 1H : (626)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : CN 
 NAME ASN : ASN4134 
 
 IP : 110.179.9.43 
 
 CIDR : 110.176.0.0/13 
 
 PREFIX COUNT : 5430 
 
 UNIQUE IP COUNT : 106919680 
 
 
 ATTACKS DETECTED ASN4134 :  
  1H - 11 
  3H - 33 
  6H - 55 
 12H - 120 
 24H - 259 
 
 DateTime : 2019-11-03 04:57:58 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

\[2019-11-03 01:05:09\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '81.171.85.138:54721' - Wrong password
\[2019-11-03 01:05:09\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-03T01:05:09.165-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="923",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85.138/54721",Challenge="016409b0",ReceivedChallenge="016409b0",ReceivedHash="042f57a4ff02f18854c097661244eb45"
\[2019-11-03 01:06:09\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '81.171.85.138:65299' - Wrong password
\[2019-11-03 01:06:09\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-03T01:06:09.849-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="976",SessionID="0x7fdf2c364088",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85.138

Nov  3 01:29:37 h2570396 sshd[27159]: Failed password for r.r from 167.86.76.145 port 40144 ssh2
Nov  3 01:29:37 h2570396 sshd[27159]: Received disconnect from 167.86.76.145: 11: Bye Bye [preauth]
Nov  3 01:47:17 h2570396 sshd[27414]: Failed password for r.r from 167.86.76.145 port 41380 ssh2
Nov  3 01:47:17 h2570396 sshd[27414]: Received disconnect from 167.86.76.145: 11: Bye Bye [preauth]
Nov  3 01:50:50 h2570396 sshd[27477]: Failed password for r.r from 167.86.76.145 port 52168 ssh2
Nov  3 01:50:50 h2570396 sshd[27477]: Received disconnect from 167.86.76.145: 11: Bye Bye [preauth]
Nov  3 01:54:23 h2570396 sshd[27509]: Failed password for invalid user mntner from 167.86.76.145 port 34726 ssh2
Nov  3 01:54:23 h2570396 sshd[27509]: Received disconnect from 167.86.76.145: 11: Bye Bye [preauth]
Nov  3 01:57:54 h2570396 sshd[27570]: Failed password for invalid user tz from 167.86.76.145 port 45540 ssh2
Nov  3 01:57:54 h2570396 sshd[27570]: Received disconnect from 167.86.7........
-------------------------------

Nov  3 05:39:12 sd-53420 sshd\[27627\]: Invalid user simulation from 159.203.7.81
Nov  3 05:39:12 sd-53420 sshd\[27627\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.7.81
Nov  3 05:39:15 sd-53420 sshd\[27627\]: Failed password for invalid user simulation from 159.203.7.81 port 53705 ssh2
Nov  3 05:42:58 sd-53420 sshd\[27922\]: Invalid user ey from 159.203.7.81
Nov  3 05:42:58 sd-53420 sshd\[27922\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.7.81
...

Nov  3 04:45:18 apollo sshd\[21272\]: Failed password for root from 106.255.84.110 port 47002 ssh2Nov  3 04:53:37 apollo sshd\[21279\]: Failed password for root from 106.255.84.110 port 46834 ssh2Nov  3 04:57:52 apollo sshd\[21301\]: Failed password for root from 106.255.84.110 port 57436 ssh2
...

port scan and connect, tcp 23 (telnet)

Automatic report - Banned IP Access

Nov  3 11:51:56 webhost01 sshd[532]: Failed password for root from 222.186.180.8 port 7836 ssh2
Nov  3 11:52:12 webhost01 sshd[532]: error: maximum authentication attempts exceeded for root from 222.186.180.8 port 7836 ssh2 [preauth]
...

T: f2b 404 5x

Nov  3 00:31:43 ny01 sshd[19519]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.7.83
Nov  3 00:31:44 ny01 sshd[19519]: Failed password for invalid user andrewh from 118.25.7.83 port 32958 ssh2
Nov  3 00:36:38 ny01 sshd[19945]: Failed password for root from 118.25.7.83 port 42490 ssh2

Nov  3 05:07:56 ip-172-31-1-72 sshd\[18006\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.183  user=root
Nov  3 05:07:59 ip-172-31-1-72 sshd\[18006\]: Failed password for root from 222.186.175.183 port 22224 ssh2
Nov  3 05:08:27 ip-172-31-1-72 sshd\[18024\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.183  user=root
Nov  3 05:08:29 ip-172-31-1-72 sshd\[18024\]: Failed password for root from 222.186.175.183 port 24574 ssh2
Nov  3 05:09:01 ip-172-31-1-72 sshd\[18026\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.183  user=root

port scan and connect, tcp 1433 (ms-sql-s)

Nov  3 05:36:17 rotator sshd\[3605\]: Invalid user unborn from 104.42.25.12Nov  3 05:36:19 rotator sshd\[3605\]: Failed password for invalid user unborn from 104.42.25.12 port 25536 ssh2Nov  3 05:41:08 rotator sshd\[4400\]: Invalid user dsddl1ddd23321 from 104.42.25.12Nov  3 05:41:10 rotator sshd\[4400\]: Failed password for invalid user dsddl1ddd23321 from 104.42.25.12 port 25536 ssh2Nov  3 05:46:01 rotator sshd\[5257\]: Invalid user 123456 from 104.42.25.12Nov  3 05:46:03 rotator sshd\[5257\]: Failed password for invalid user 123456 from 104.42.25.12 port 25536 ssh2
...