2019-10-30 21:10:15 login authenticator failed for (WIN-VGJLQVTGQPN) [185.208.211.159]: 535 Incorrect authentication data (set_id=b8rab9fbh48)
2019-10-30 21:10:15 H=(WIN-VGJLQVTGQPN) [185.208.211.159] F=: authentication required
2019-10-30 x@x
2019-10-30 21:10:16 unexpected disconnection while reading SMTP command from (WIN-VGJLQVTGQPN) [185.208.211.159]
2019-10-30 21:10:16 login authenticator failed for (WIN-VGJLQVTGQPN) [185.208.211.159]: 535 Incorrect authentication data (set_id=948.pcondron)
2019-10-30 21:10:17 H=(WIN-VGJLQVTGQPN) [185.208.211.159] F=: authentication required
2019-10-30 x@x
2019-10-30 21:10:17 unexpected disconnection while reading SMTP command from (WIN-VGJLQVTGQPN) [185.208.211.159]
2019-10-30 21:10:18 login authenticator failed for (WIN-VGJLQVTGQPN) [185.208.211.159]: 535 Incorrect authentication data (set_id=3vrgfqblaepzfoieznbfntmrpqyix)
2019-10-30 21:10:18 H=(WIN-VGJLQVTGQPN) [185.208.211.159] F=: authentication required
2019-10-30 x@........
-------------------------------

2020-04-08T14:38:09.465964+02:00 lumpi kernel: [11639256.255676] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=185.208.211.65 DST=78.46.199.189 LEN=52 TOS=0x00 PREC=0x00 TTL=111 ID=12507 DF PROTO=TCP SPT=58202 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0 
...

Jan 14 23:15:41 mx2 postfix/smtpd\[2561\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.254\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
Jan 14 23:15:41 mx2 postfix/smtpd\[2563\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.254\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
Jan 14 23:15:42 mx2 postfix/smtpd\[2561\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.254\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\

2019-12-17 18:27:27 no host name found for IP address 185.208.211.86
2019-12-17 18:27:28 no host name found for IP address 185.208.211.86
2019-12-17 18:27:43 no host name found for IP address 185.208.211.86
2019-12-17 18:27:58 no host name found for IP address 185.208.211.86
2019-12-17 18:28:13 no host name found for IP address 185.208.211.86
2019-12-17 18:28:28 no host name found for IP address 185.208.211.86
2019-12-17 18:28:43 no host name found for IP address 185.208.211.86
2019-12-17 18:28:58 no host name found for IP address 185.208.211.86
2019-12-17 18:29:13 no host name found for IP address 185.208.211.86
2019-12-17 18:29:28 no host name found for IP address 185.208.211.86
2019-12-17 18:29:43 no host name found for IP address 185.208.211.86
2019-12-17 18:29:58 no host name found for IP address 185.208.211.86
2019-12-17 18:30:13 no host name found for IP address 185.208.211.86
2019-12-17 18:30:28 no host name found for IP address 185.208.211.86
2019-12-17 18:30:43........
------------------------------

2019-12-17 20:09:50 no host name found for IP address 185.208.211.234
2019-12-17 20:09:50 no host name found for IP address 185.208.211.234
2019-12-17 20:10:05 no host name found for IP address 185.208.211.234
2019-12-17 20:10:20 no host name found for IP address 185.208.211.234
2019-12-17 20:10:35 no host name found for IP address 185.208.211.234
2019-12-17 20:10:50 no host name found for IP address 185.208.211.234
2019-12-17 20:11:05 no host name found for IP address 185.208.211.234
2019-12-17 20:11:20 no host name found for IP address 185.208.211.234
2019-12-17 20:11:35 no host name found for IP address 185.208.211.234
2019-12-17 20:11:50 no host name found for IP address 185.208.211.234
2019-12-17 20:12:05 no host name found for IP address 185.208.211.234
2019-12-17 20:12:20 no host name found for IP address 185.208.211.234
2019-12-17 20:12:35 no host name found for IP address 185.208.211.234
2019-12-17 20:12:50 no host name found for IP address 185.208.211.234
2019-........
------------------------------

(smtpauth) Failed SMTP AUTH login from 185.208.211.90 (US/United States/-): 5 in the last 3600 secs

f2b trigger Multiple SASL failures

Dec  6 06:58:30 mx2 postfix/smtpd\[11081\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.139\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
Dec  6 06:58:30 mx2 postfix/smtpd\[11081\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.139\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
Dec  6 06:58:31 mx2 postfix/smtpd\[11081\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.139\]: 554 5.7.1 \: Relay access denied\; from=\<948.pcondron@co.za\> to=\ proto=ESMTP helo=\

Dec  5 15:55:14 mail postfix/smtpd[22409]: warning: unknown[185.208.211.139]: SASL login authentication failed: UGFzc3dvcmQ6
Dec  5 15:55:21 mail postfix/smtpd[22336]: warning: unknown[185.208.211.139]: SASL login authentication failed: UGFzc3dvcmQ6
Dec  5 15:55:31 mail postfix/smtpd[22399]: warning: unknown[185.208.211.139]: SASL login authentication failed: UGFzc3dvcmQ6

Dec  4 19:25:10 naboo postfix/smtpd[3920]: connect from unknown[185.208.211.216]
Dec  4 19:25:11 naboo postfix/smtpd[3920]: NOQUEUE: reject: RCPT from unknown[185.208.211.216]: 504 5.5.2 : Helo command rejected: need fully-qualified hostname; from= to= proto=ESMTP helo=
Dec  4 19:25:11 naboo postfix/smtpd[3920]: lost connection after RCPT from unknown[185.208.211.216]
Dec  4 19:25:11 naboo postfix/smtpd[3920]: disconnect from unknown[185.208.211.216] ehlo=1 mail=1 rcpt=0/1 commands=2/3

Dec  2 07:50:45 localhost postfix/smtpd\[3589\]: warning: unknown\[185.208.211.139\]: SASL login authentication failed: UGFzc3dvcmQ6
Dec  2 07:50:52 localhost postfix/smtpd\[3589\]: warning: unknown\[185.208.211.139\]: SASL login authentication failed: UGFzc3dvcmQ6
Dec  2 07:51:03 localhost postfix/smtpd\[3589\]: warning: unknown\[185.208.211.139\]: SASL login authentication failed: UGFzc3dvcmQ6
Dec  2 07:51:28 localhost postfix/smtpd\[3589\]: warning: unknown\[185.208.211.139\]: SASL login authentication failed: UGFzc3dvcmQ6
Dec  2 07:51:35 localhost postfix/smtpd\[3589\]: warning: unknown\[185.208.211.139\]: SASL login authentication failed: UGFzc3dvcmQ6
...

SMTPAttack

Nov 29 16:12:33 andromeda postfix/smtpd\[52775\]: warning: unknown\[185.208.211.53\]: SASL login authentication failed: authentication failure
Nov 29 16:12:34 andromeda postfix/smtpd\[52778\]: warning: unknown\[185.208.211.53\]: SASL login authentication failed: authentication failure
Nov 29 16:12:35 andromeda postfix/smtpd\[52775\]: warning: unknown\[185.208.211.53\]: SASL login authentication failed: authentication failure
Nov 29 16:12:36 andromeda postfix/smtpd\[53417\]: warning: unknown\[185.208.211.53\]: SASL login authentication failed: authentication failure
Nov 29 16:12:37 andromeda postfix/smtpd\[52778\]: warning: unknown\[185.208.211.53\]: SASL login authentication failed: authentication failure

Nov 28 08:19:17 mx2 postfix/smtpd\[1726\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.140\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
Nov 28 08:19:18 mx2 postfix/smtpd\[1726\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.140\]: 554 5.7.1 \: Relay access denied\; from=\<948.pcondron@co.za\> to=\ proto=ESMTP helo=\
Nov 28 08:19:19 mx2 postfix/smtpd\[1726\]: NOQUEUE: reject: RCPT from unknown\[185.208.211.140\]: 554 5.7.1 \: Relay access denied\; from=\<3vrgfqblaepzfoieznbfntmrpqyix@co.za\> to=\ proto=ESMTP helo=\

Nov 27 01:24:30 web1 postfix/smtpd[13698]: warning: unknown[185.208.211.53]: SASL login authentication failed: authentication failure
...

2019-11-27 00:32:51 H=(WIN-A3D4D4NMA27) [185.208.211.47] F= rejected RCPT : relay not permitted
2019-11-27 00:32:51 H=(WIN-A3D4D4NMA27) [185.208.211.47] F=<948.pcondron@lerctr.org> rejected RCPT : relay not permitted
2019-11-27 00:32:52 H=(WIN-A3D4D4NMA27) [185.208.211.47] F=<3vrgfqblaepzfoieznbfntmrpqyix@lerctr.org> rejected RCPT : relay not permitted
...

Mar 14 05:23:59 vps647732 sshd[18189]: Failed password for root from 67.207.89.207 port 58582 ssh2
...

21 attempts against mh-misbehave-ban on float

104.218.63.72 - - \[14/Mar/2020:04:56:45 +0100\] "GET /index.php\?id=ausland HTTP/1.1" 200 7733 "http://www.firma-lsf.eu:80/index.php" "Googlebot \(compatible  Googlebot/2.1   http://www.google.com/bot.html\)"
...

Mar 14 04:52:36 ewelt sshd[28066]: Invalid user nx from 41.231.5.207 port 55666
Mar 14 04:52:37 ewelt sshd[28066]: Failed password for invalid user nx from 41.231.5.207 port 55666 ssh2
Mar 14 04:57:05 ewelt sshd[28329]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.231.5.207  user=root
Mar 14 04:57:07 ewelt sshd[28329]: Failed password for root from 41.231.5.207 port 46582 ssh2
...

Mar 14 05:24:35 vps647732 sshd[18222]: Failed password for root from 68.183.31.138 port 58858 ssh2
...

2020-03-14T04:47:22.909588struts4.enskede.local sshd\[764\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.171.149  user=root
2020-03-14T04:47:25.151277struts4.enskede.local sshd\[764\]: Failed password for root from 138.197.171.149 port 51288 ssh2
2020-03-14T04:51:37.032564struts4.enskede.local sshd\[786\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.171.149  user=root
2020-03-14T04:51:39.784472struts4.enskede.local sshd\[786\]: Failed password for root from 138.197.171.149 port 45810 ssh2
2020-03-14T04:55:47.504681struts4.enskede.local sshd\[802\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.171.149  user=root
...

Mar 13 23:56:50 mail sshd\[46055\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.70.159  user=root
...

Mar 13 21:12:51 mockhub sshd[15132]: Failed password for root from 106.12.220.84 port 40708 ssh2
...

Unauthorized connection attempt detected from IP address 222.186.30.209 to port 22

2020-03-14T04:00:17.341295shield sshd\[12245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.135  user=root
2020-03-14T04:00:18.896030shield sshd\[12245\]: Failed password for root from 222.186.31.135 port 64212 ssh2
2020-03-14T04:00:20.953756shield sshd\[12245\]: Failed password for root from 222.186.31.135 port 64212 ssh2
2020-03-14T04:00:22.952544shield sshd\[12245\]: Failed password for root from 222.186.31.135 port 64212 ssh2
2020-03-14T04:01:38.528732shield sshd\[12382\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.135  user=root

$f2bV_matches

Attempted connection to port 1433.

Attempted connection to port 27019.

Unauthorized access detected from black listed ip!

Mar 14 05:21:27 ewelt sshd[29817]: Invalid user developer from 138.197.195.52 port 58948
Mar 14 05:21:27 ewelt sshd[29817]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.195.52
Mar 14 05:21:27 ewelt sshd[29817]: Invalid user developer from 138.197.195.52 port 58948
Mar 14 05:21:29 ewelt sshd[29817]: Failed password for invalid user developer from 138.197.195.52 port 58948 ssh2
...