Brute force attack stopped by firewall

Sep 13 18:29:11 mail.srvfarm.net postfix/smtpd[1231911]: warning: unknown[189.91.5.42]: SASL PLAIN authentication failed: 
Sep 13 18:29:11 mail.srvfarm.net postfix/smtpd[1231911]: lost connection after AUTH from unknown[189.91.5.42]
Sep 13 18:30:22 mail.srvfarm.net postfix/smtpd[1214684]: warning: unknown[189.91.5.42]: SASL PLAIN authentication failed: 
Sep 13 18:30:23 mail.srvfarm.net postfix/smtpd[1214684]: lost connection after AUTH from unknown[189.91.5.42]
Sep 13 18:30:41 mail.srvfarm.net postfix/smtpd[1232278]: warning: unknown[189.91.5.42]: SASL PLAIN authentication failed:

Sep 13 18:29:11 mail.srvfarm.net postfix/smtpd[1231911]: warning: unknown[189.91.5.42]: SASL PLAIN authentication failed: 
Sep 13 18:29:11 mail.srvfarm.net postfix/smtpd[1231911]: lost connection after AUTH from unknown[189.91.5.42]
Sep 13 18:30:22 mail.srvfarm.net postfix/smtpd[1214684]: warning: unknown[189.91.5.42]: SASL PLAIN authentication failed: 
Sep 13 18:30:23 mail.srvfarm.net postfix/smtpd[1214684]: lost connection after AUTH from unknown[189.91.5.42]
Sep 13 18:30:41 mail.srvfarm.net postfix/smtpd[1232278]: warning: unknown[189.91.5.42]: SASL PLAIN authentication failed:

(smtpauth) Failed SMTP AUTH login from 189.91.5.252 (BR/Brazil/189-91-5-252.dvl-wr.mastercabo.com.br): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-08-29 08:27:04 plain authenticator failed for ([189.91.5.252]) [189.91.5.252]: 535 Incorrect authentication data (set_id=peter)

Aug 15 00:27:45 mail.srvfarm.net postfix/smtpd[908818]: warning: unknown[189.91.5.209]: SASL PLAIN authentication failed: 
Aug 15 00:27:46 mail.srvfarm.net postfix/smtpd[908818]: lost connection after AUTH from unknown[189.91.5.209]
Aug 15 00:31:05 mail.srvfarm.net postfix/smtps/smtpd[908976]: warning: unknown[189.91.5.209]: SASL PLAIN authentication failed: 
Aug 15 00:31:06 mail.srvfarm.net postfix/smtps/smtpd[908976]: lost connection after AUTH from unknown[189.91.5.209]
Aug 15 00:37:43 mail.srvfarm.net postfix/smtpd[910653]: warning: unknown[189.91.5.209]: SASL PLAIN authentication failed:

Aug 15 02:09:26 mail.srvfarm.net postfix/smtpd[963151]: warning: unknown[189.91.5.29]: SASL PLAIN authentication failed: 
Aug 15 02:09:26 mail.srvfarm.net postfix/smtpd[963151]: lost connection after AUTH from unknown[189.91.5.29]
Aug 15 02:14:40 mail.srvfarm.net postfix/smtpd[965135]: warning: unknown[189.91.5.29]: SASL PLAIN authentication failed: 
Aug 15 02:14:40 mail.srvfarm.net postfix/smtpd[965135]: lost connection after AUTH from unknown[189.91.5.29]
Aug 15 02:15:03 mail.srvfarm.net postfix/smtpd[965135]: warning: unknown[189.91.5.29]: SASL PLAIN authentication failed:

Aug 12 05:13:25 mail.srvfarm.net postfix/smtps/smtpd[2866826]: warning: unknown[189.91.5.29]: SASL PLAIN authentication failed: 
Aug 12 05:13:26 mail.srvfarm.net postfix/smtps/smtpd[2866826]: lost connection after AUTH from unknown[189.91.5.29]
Aug 12 05:16:30 mail.srvfarm.net postfix/smtpd[2866065]: warning: unknown[189.91.5.29]: SASL PLAIN authentication failed: 
Aug 12 05:16:31 mail.srvfarm.net postfix/smtpd[2866065]: lost connection after AUTH from unknown[189.91.5.29]
Aug 12 05:22:51 mail.srvfarm.net postfix/smtpd[2866059]: warning: unknown[189.91.5.29]: SASL PLAIN authentication failed:

2020-08-10 20:34:23 SMTP:25 IP autobanned - 2 attempts  a day

Jul 24 13:07:28 mail.srvfarm.net postfix/smtps/smtpd[2240150]: warning: unknown[189.91.5.70]: SASL PLAIN authentication failed: 
Jul 24 13:07:28 mail.srvfarm.net postfix/smtps/smtpd[2240150]: lost connection after AUTH from unknown[189.91.5.70]
Jul 24 13:13:12 mail.srvfarm.net postfix/smtps/smtpd[2255926]: warning: unknown[189.91.5.70]: SASL PLAIN authentication failed: 
Jul 24 13:13:12 mail.srvfarm.net postfix/smtps/smtpd[2255926]: lost connection after AUTH from unknown[189.91.5.70]
Jul 24 13:16:10 mail.srvfarm.net postfix/smtps/smtpd[2256907]: warning: unknown[189.91.5.70]: SASL PLAIN authentication failed:

SSH invalid-user multiple login try

Jun 18 10:00:14 mail.srvfarm.net postfix/smtps/smtpd[1382768]: warning: unknown[189.91.5.22]: SASL PLAIN authentication failed: 
Jun 18 10:00:15 mail.srvfarm.net postfix/smtps/smtpd[1382768]: lost connection after AUTH from unknown[189.91.5.22]
Jun 18 10:05:35 mail.srvfarm.net postfix/smtpd[1383333]: warning: unknown[189.91.5.22]: SASL PLAIN authentication failed: 
Jun 18 10:05:36 mail.srvfarm.net postfix/smtpd[1383333]: lost connection after AUTH from unknown[189.91.5.22]
Jun 18 10:08:45 mail.srvfarm.net postfix/smtps/smtpd[1383642]: warning: unknown[189.91.5.22]: SASL PLAIN authentication failed:

Jun 18 05:01:53 mail.srvfarm.net postfix/smtps/smtpd[1338906]: warning: unknown[189.91.5.22]: SASL PLAIN authentication failed: 
Jun 18 05:01:54 mail.srvfarm.net postfix/smtps/smtpd[1338906]: lost connection after AUTH from unknown[189.91.5.22]
Jun 18 05:05:57 mail.srvfarm.net postfix/smtps/smtpd[1338901]: warning: unknown[189.91.5.22]: SASL PLAIN authentication failed: 
Jun 18 05:05:58 mail.srvfarm.net postfix/smtps/smtpd[1338901]: lost connection after AUTH from unknown[189.91.5.22]
Jun 18 05:06:21 mail.srvfarm.net postfix/smtpd[1339036]: warning: unknown[189.91.5.22]: SASL PLAIN authentication failed:

Jun 13 22:45:51 mail.srvfarm.net postfix/smtps/smtpd[1288544]: warning: unknown[189.91.5.167]: SASL PLAIN authentication failed: 
Jun 13 22:45:52 mail.srvfarm.net postfix/smtps/smtpd[1288544]: lost connection after AUTH from unknown[189.91.5.167]
Jun 13 22:46:09 mail.srvfarm.net postfix/smtps/smtpd[1293478]: warning: unknown[189.91.5.167]: SASL PLAIN authentication failed: 
Jun 13 22:46:10 mail.srvfarm.net postfix/smtps/smtpd[1293478]: lost connection after AUTH from unknown[189.91.5.167]
Jun 13 22:47:07 mail.srvfarm.net postfix/smtpd[1294829]: warning: unknown[189.91.5.167]: SASL PLAIN authentication failed:

Unauthorized connection attempt from IP address 189.91.58.147 on Port 445(SMB)

34DpT347YGL7PX6dzg4ZkACEVp3ojpzxdi

Brute force attempt

Oct 19 03:58:32 thevastnessof sshd[22118]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.173.101.78
...

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/201.179.198.23/ 
 
 AR - 1H : (52)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : AR 
 NAME ASN : ASN22927 
 
 IP : 201.179.198.23 
 
 CIDR : 201.178.0.0/15 
 
 PREFIX COUNT : 244 
 
 UNIQUE IP COUNT : 4001024 
 
 
 ATTACKS DETECTED ASN22927 :  
  1H - 1 
  3H - 2 
  6H - 4 
 12H - 7 
 24H - 13 
 
 DateTime : 2019-10-19 05:58:00 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

plussize.fitness 144.76.135.152 \[19/Oct/2019:05:57:59 +0200\] "POST /wp-login.php HTTP/1.1" 200 5629 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
plussize.fitness 144.76.135.152 \[19/Oct/2019:05:57:59 +0200\] "POST /wp-login.php HTTP/1.1" 200 5582 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

2019-10-18 22:57:53 H=(loveless.it) [202.5.37.51]:59514 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-10-18 22:57:53 H=(loveless.it) [202.5.37.51]:59514 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-10-18 22:57:55 H=(loveless.it) [202.5.37.51]:59514 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS)
...

Oct 17 05:43:39 microserver sshd[58757]: Failed none for root from 222.186.180.223 port 55688 ssh2
Oct 17 05:43:41 microserver sshd[58757]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.223  user=root
Oct 17 05:43:43 microserver sshd[58757]: Failed password for root from 222.186.180.223 port 55688 ssh2
Oct 17 05:43:47 microserver sshd[58757]: Failed password for root from 222.186.180.223 port 55688 ssh2
Oct 17 05:43:52 microserver sshd[58757]: Failed password for root from 222.186.180.223 port 55688 ssh2
Oct 17 15:21:07 microserver sshd[7559]: Failed none for root from 222.186.180.223 port 47484 ssh2
Oct 17 15:21:08 microserver sshd[7559]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.223  user=root
Oct 17 15:21:11 microserver sshd[7559]: Failed password for root from 222.186.180.223 port 47484 ssh2
Oct 17 15:21:15 microserver sshd[7559]: Failed password for root from 222.186.180.223 port 47484 ssh2
Oct

Oct 19 05:45:21 mailserver sshd[10397]: Invalid user test from 182.253.222.200
Oct 19 05:45:21 mailserver sshd[10397]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.253.222.200
Oct 19 05:45:23 mailserver sshd[10397]: Failed password for invalid user test from 182.253.222.200 port 35506 ssh2
Oct 19 05:45:24 mailserver sshd[10397]: Received disconnect from 182.253.222.200 port 35506:11: Bye Bye [preauth]
Oct 19 05:45:24 mailserver sshd[10397]: Disconnected from 182.253.222.200 port 35506 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=182.253.222.200

2019-10-19T03:53:44.945366hub.schaetter.us sshd\[21209\]: Invalid user Admin!qaz from 182.72.124.6 port 60222
2019-10-19T03:53:44.956722hub.schaetter.us sshd\[21209\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.72.124.6
2019-10-19T03:53:47.260160hub.schaetter.us sshd\[21209\]: Failed password for invalid user Admin!qaz from 182.72.124.6 port 60222 ssh2
2019-10-19T03:58:17.252494hub.schaetter.us sshd\[21255\]: Invalid user 123 from 182.72.124.6 port 42958
2019-10-19T03:58:17.264132hub.schaetter.us sshd\[21255\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.72.124.6
...

2019-10-19T05:58:02.461172MailD postfix/smtpd[21635]: NOQUEUE: reject: RCPT from 200-122-90-11.cab.prima.net.ar[200.122.90.11]: 554 5.7.1 Service unavailable; Client host [200.122.90.11] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?200.122.90.11; from= to= proto=ESMTP helo=<200-122-90-11.cab.prima.net.ar>
2019-10-19T05:58:03.169684MailD postfix/smtpd[21635]: NOQUEUE: reject: RCPT from 200-122-90-11.cab.prima.net.ar[200.122.90.11]: 554 5.7.1 Service unavailable; Client host [200.122.90.11] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?200.122.90.11; from= to= proto=ESMTP helo=<200-122-90-11.cab.prima.net.ar>
2019-10-19T05:58:03.969624MailD postfix/smtpd[21635]: NOQUEUE: reject: RCPT from 200-122-90-11.cab.prima.net.ar[200.122.90.11]: 554 5.7.1 Service unavailable; Client host [200.122.90.11] blocked using bl.spamcop.net; Blocked - see https://www.spamco

Oct 19 04:08:22 game-panel sshd[5057]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.94.2.65
Oct 19 04:08:24 game-panel sshd[5057]: Failed password for invalid user ju from 112.94.2.65 port 44321 ssh2
Oct 19 04:13:47 game-panel sshd[5258]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.94.2.65

2019-10-19T04:29:00.720999abusebot-4.cloudsearch.cf sshd\[12252\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.199.232  user=root

Oct 19 05:57:54 rotator sshd\[22491\]: Failed password for root from 192.42.116.17 port 38824 ssh2Oct 19 05:57:57 rotator sshd\[22491\]: Failed password for root from 192.42.116.17 port 38824 ssh2Oct 19 05:58:00 rotator sshd\[22491\]: Failed password for root from 192.42.116.17 port 38824 ssh2Oct 19 05:58:02 rotator sshd\[22491\]: Failed password for root from 192.42.116.17 port 38824 ssh2Oct 19 05:58:05 rotator sshd\[22491\]: Failed password for root from 192.42.116.17 port 38824 ssh2Oct 19 05:58:08 rotator sshd\[22491\]: Failed password for root from 192.42.116.17 port 38824 ssh2
...

Oct 19 05:52:23 lnxmail61 sshd[452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.224.69
Oct 19 05:52:25 lnxmail61 sshd[452]: Failed password for invalid user oracle from 104.236.224.69 port 50294 ssh2
Oct 19 05:58:08 lnxmail61 sshd[991]: Failed password for root from 104.236.224.69 port 48044 ssh2

Oct 19 05:54:45 markkoudstaal sshd[21652]: Failed password for root from 200.149.231.50 port 51084 ssh2
Oct 19 06:00:50 markkoudstaal sshd[22200]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.149.231.50
Oct 19 06:00:52 markkoudstaal sshd[22200]: Failed password for invalid user user from 200.149.231.50 port 34354 ssh2

Oct 19 05:54:05 mail kernel: [1170487.205042] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=80.82.64.73 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=33012 PROTO=TCP SPT=54202 DPT=42929 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 19 05:54:15 mail kernel: [1170496.580104] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=80.82.64.73 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=9883 PROTO=TCP SPT=54202 DPT=42380 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 19 05:55:10 mail kernel: [1170552.413123] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=80.82.64.73 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=51709 PROTO=TCP SPT=54202 DPT=42527 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 19 05:55:14 mail kernel: [1170555.595227] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=80.82.64.73 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=16262 PROTO=TCP SPT=54202 DPT=42421 WINDOW=1024 RES=0x00 SYN URGP=0 
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