Brute-force attempt banned

2020-08-2822:21:391kBksR-0000vA-4K\<=simone@gedacom.chH=net77-43-57-61.mclink.it\(localhost\)[77.43.57.61]:52474P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:simone@gedacom.chS=1872id=D5D066353EEAC477ABAEE75F9BDA099D@gedacom.chT="Ineedtorecognizeyousignificantlybetter"foradrian.d.delgado@outlook.com2020-08-2822:20:431kBkrb-0000tv-5o\<=simone@gedacom.chH=fixed-187-190-45-96.totalplay.net\(localhost\)[187.190.45.96]:42708P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:simone@gedacom.chS=1909id=1F1AACFFF4200EBD61642D955135BF57@gedacom.chT="Iamhopingwithintheforeseeablefuturewewillfrequentlythinkofeachother"forelliottcaldwell189@yahoo.com2020-08-2822:20:501kBkri-0000uv-SK\<=simone@gedacom.chH=host-91-204-140-244.telpol.net.pl\(localhost\)[91.204.140.244]:46347P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:simone@gedacom.chS=1811id=0401B7E4EF3B15A67A7F368E4A92554F@gedacom.chT="Icanprovideeverythingthatmostwomenarenotableto"fortoddh7013@gmai

1597580536 - 08/16/2020 14:22:16 Host: 123.21.231.42/123.21.231.42 Port: 445 TCP Blocked
...

(eximsyntax) Exim syntax errors from 123.21.232.185 (VN/Vietnam/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-07-28 08:19:21 SMTP call from [123.21.232.185] dropped: too many syntax or protocol errors (last command was "?ÿ\001??Q?\v?\004\003?\001\002?")

(smtpauth) Failed SMTP AUTH login from 123.21.23.202 (VN/Vietnam/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-06-24 08:25:25 login authenticator failed for ([127.0.0.1]) [123.21.23.202]: 535 Incorrect authentication data (set_id=architect)

2020-06-0105:45:501jfbOR-0003zF-Gc\<=info@whatsup2013.chH=\(localhost\)[123.21.229.100]:47000P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3016id=2acd7b282308222ab6b305a94e3a100ca24d16@whatsup2013.chT="totony.flores9"fortony.flores9@yahoo.comwilliamg70@gmail.comrsayago60@gmail.com2020-06-0105:46:261jfbP6-00044N-Rc\<=info@whatsup2013.chH=\(localhost\)[113.172.165.239]:56435P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=2980id=a58440131833e6eacd883e6d995ed4d8eb9a73ab@whatsup2013.chT="toalbertoperez67"foralbertoperez67@icloud.comdmt3@gmx.commikebrewer@497gmail.com2020-06-0105:46:371jfbPI-00046e-HD\<=info@whatsup2013.chH=\(localhost\)[123.21.232.192]:41139P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3035id=2af64013183319118d883e9275012b37218d97@whatsup2013.chT="tocristianponce"forcristianponce@hotmail.comjimmywint14@gmail.comaskew.terence@yahoo.com2020-06-0105:46:231jfbP4-00

Invalid user admin from 123.21.236.99 port 48698

failed_logins

localhost 123.21.23.221 - - [14/Mar/2020:05:14:30 +0800] "GET /phpmyadmin/index.php?lang=en HTTP/1.1" 404 261 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36" VLOG=-
localhost 123.21.23.221 - - [14/Mar/2020:05:14:31 +0800] "GET /phpMyadmin/index.php?lang=en HTTP/1.1" 404 261 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36" VLOG=-
localhost 123.21.23.221 - - [14/Mar/2020:05:14:31 +0800] "GET /phpMyAdmin/index.php?lang=en HTTP/1.1" 404 261 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36" VLOG=-
localhost 123.21.23.221 - - [14/Mar/2020:05:14:31 +0800] "GET /phpmyAdmin/index.php?lang=en HTTP/1.1" 404 261 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36" VLOG=-
localhost 123.21.23.221 - - [14/Mar/2020:05:
...

Mar  9 04:55:20 odroid64 sshd\[30869\]: Invalid user admin from 123.21.235.200
Mar  9 04:55:20 odroid64 sshd\[30869\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.21.235.200
...

20/2/19@23:56:44: FAIL: Alarm-Network address from=123.21.238.129
...

$f2bV_matches

Brute force attempt

Unauthorized connection attempt detected from IP address 123.21.230.76 to port 5555 [J]

Lines containing failures of 123.21.230.207
Dec  1 15:31:48 omfg postfix/smtpd[10693]: connect from unknown[123.21.230.207]
Dec  1 15:31:50 omfg postfix/smtpd[10693]: Anonymous TLS connection established from unknown[123.21.230.207]: TLSv1.2 whostnameh cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bhostnames)
Dec x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=123.21.230.207

SSH bruteforce

Jun 18 15:53:31 web01.agentur-b-2.de postfix/smtpd[47632]: NOQUEUE: reject: RCPT from unknown[45.80.208.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun 18 15:53:33 web01.agentur-b-2.de postfix/smtpd[22988]: NOQUEUE: reject: RCPT from unknown[45.80.208.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun 18 15:54:02 web01.agentur-b-2.de postfix/smtpd[47632]: NOQUEUE: reject: RCPT from unknown[45.80.208.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun 18 15:58:32 web01.agentur-b-2.de postfix/smtpd[47631]: NOQUEUE: reject: RCPT from unknown[45.80.208.225]: 450 4.7.1 : Helo command rejected: Host not found; from=

Jun 18 18:55:33 relay postfix/smtpd\[24146\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 18:55:40 relay postfix/smtpd\[6145\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 18:56:57 relay postfix/smtpd\[24146\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 18:57:02 relay postfix/smtpd\[17886\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 18:58:20 relay postfix/smtpd\[19507\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Jun 18 17:00:37 srv01 postfix/smtpd\[22624\]: warning: unknown\[46.38.150.94\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:00:43 srv01 postfix/smtpd\[19018\]: warning: unknown\[46.38.150.94\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:01:03 srv01 postfix/smtpd\[22596\]: warning: unknown\[46.38.150.94\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:01:06 srv01 postfix/smtpd\[19018\]: warning: unknown\[46.38.150.94\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:01:27 srv01 postfix/smtpd\[22624\]: warning: unknown\[46.38.150.94\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Port scan: Attack repeated for 24 hours

Jun 18 16:13:12 jumpserver sshd[131682]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.158.172 
Jun 18 16:13:12 jumpserver sshd[131682]: Invalid user user from 159.65.158.172 port 34244
Jun 18 16:13:14 jumpserver sshd[131682]: Failed password for invalid user user from 159.65.158.172 port 34244 ssh2
...

2020-06-18T15:57:26.479743sd-86998 sshd[41794]: Invalid user gjj from 94.191.107.157 port 37430
2020-06-18T15:57:26.485297sd-86998 sshd[41794]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.107.157
2020-06-18T15:57:26.479743sd-86998 sshd[41794]: Invalid user gjj from 94.191.107.157 port 37430
2020-06-18T15:57:28.398825sd-86998 sshd[41794]: Failed password for invalid user gjj from 94.191.107.157 port 37430 ssh2
2020-06-18T16:01:00.878508sd-86998 sshd[42369]: Invalid user ftpuser from 94.191.107.157 port 51376
...

Dovecot Invalid User Login Attempt.

Jun 18 18:21:58 ns382633 sshd\[24463\]: Invalid user pyy from 124.93.18.202 port 39480
Jun 18 18:21:58 ns382633 sshd\[24463\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.93.18.202
Jun 18 18:22:00 ns382633 sshd\[24463\]: Failed password for invalid user pyy from 124.93.18.202 port 39480 ssh2
Jun 18 18:36:04 ns382633 sshd\[27388\]: Invalid user cristian from 124.93.18.202 port 40734
Jun 18 18:36:04 ns382633 sshd\[27388\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.93.18.202

Jun 18 17:42:35 relay postfix/smtpd\[20339\]: warning: unknown\[37.49.230.131\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:42:41 relay postfix/smtpd\[18096\]: warning: unknown\[37.49.230.131\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:42:51 relay postfix/smtpd\[26742\]: warning: unknown\[37.49.230.131\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:43:13 relay postfix/smtpd\[26712\]: warning: unknown\[37.49.230.131\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 18 17:43:19 relay postfix/smtpd\[18096\]: warning: unknown\[37.49.230.131\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Jun 18 18:20:46 vmd48417 sshd[24866]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.17.114.65

Jun 18 13:20:41 mail.srvfarm.net postfix/smtps/smtpd[1467937]: warning: unknown[168.167.50.77]: SASL PLAIN authentication failed: 
Jun 18 13:20:41 mail.srvfarm.net postfix/smtps/smtpd[1467937]: lost connection after AUTH from unknown[168.167.50.77]
Jun 18 13:21:09 mail.srvfarm.net postfix/smtps/smtpd[1467860]: warning: unknown[168.167.50.77]: SASL PLAIN authentication failed: 
Jun 18 13:21:10 mail.srvfarm.net postfix/smtps/smtpd[1467860]: lost connection after AUTH from unknown[168.167.50.77]
Jun 18 13:22:57 mail.srvfarm.net postfix/smtps/smtpd[1467937]: warning: unknown[168.167.50.77]: SASL PLAIN authentication failed:

1456 times SMTP brute-force

Jun 18 19:06:31 vps sshd[263652]: Failed password for root from 49.88.112.69 port 29289 ssh2
Jun 18 19:06:33 vps sshd[263652]: Failed password for root from 49.88.112.69 port 29289 ssh2
Jun 18 19:06:35 vps sshd[263652]: Failed password for root from 49.88.112.69 port 29289 ssh2
Jun 18 19:07:46 vps sshd[268478]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.69  user=root
Jun 18 19:07:48 vps sshd[268478]: Failed password for root from 49.88.112.69 port 30759 ssh2
...

862 times SMTP brute-force

2020/06/18 13:06:05 [error] 842#842: *14189 open() "/usr/share/nginx/html/cgi-bin/php" failed (2: No such file or directory), client: 129.28.141.140, server: _, request: "POST /cgi-bin/php?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65%3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%64+%63%67%69%2E%66%6F%72%63%65%5F%72%65%64%69%72%65%63%74%3D%30+%2D%64+%63%67%69%2E%72%65%64%69%72%65%63%74%5F%73%74%61%74%75%73%5F%65%6E%76%3D%30+%2D%6E HTTP/1.1", host: "185.118.196.154"
2020/06/18 13:06:08 [error] 842#842: *14189 open() "/usr/share/nginx/html/cgi-bin/php5" failed (2: No such file or directory), client: 129.28.141.140, server: _, request: "POST /cgi-bin/php5?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6