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
...

Oct  6 20:10:48 localhost sshd\[76511\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.249.255  user=root
Oct  6 20:10:50 localhost sshd\[76511\]: Failed password for root from 139.59.249.255 port 22996 ssh2
Oct  6 20:15:17 localhost sshd\[76715\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.249.255  user=root
Oct  6 20:15:19 localhost sshd\[76715\]: Failed password for root from 139.59.249.255 port 63042 ssh2
Oct  6 20:19:55 localhost sshd\[76920\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.249.255  user=root
...

2019-10-06T20:54:09.430796  sshd[31704]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.58.154  user=root
2019-10-06T20:54:11.293460  sshd[31704]: Failed password for root from 212.64.58.154 port 54834 ssh2
2019-10-06T20:58:22.223355  sshd[31766]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.58.154  user=root
2019-10-06T20:58:24.487203  sshd[31766]: Failed password for root from 212.64.58.154 port 36184 ssh2
2019-10-06T21:02:41.573222  sshd[31863]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.58.154  user=root
2019-10-06T21:02:43.726503  sshd[31863]: Failed password for root from 212.64.58.154 port 45786 ssh2
...

Oct  3 13:20:30 microserver sshd[18150]: Failed none for root from 222.186.173.215 port 15020 ssh2
Oct  3 13:20:31 microserver sshd[18150]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.215  user=root
Oct  3 13:20:33 microserver sshd[18150]: Failed password for root from 222.186.173.215 port 15020 ssh2
Oct  3 13:20:37 microserver sshd[18150]: Failed password for root from 222.186.173.215 port 15020 ssh2
Oct  3 13:20:41 microserver sshd[18150]: Failed password for root from 222.186.173.215 port 15020 ssh2
Oct  4 20:10:37 microserver sshd[6958]: Failed none for root from 222.186.173.215 port 50950 ssh2
Oct  4 20:10:38 microserver sshd[6958]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.215  user=root
Oct  4 20:10:40 microserver sshd[6958]: Failed password for root from 222.186.173.215 port 50950 ssh2
Oct  4 20:10:44 microserver sshd[6958]: Failed password for root from 222.186.173.215 port 50950 ssh2
Oct

Oct  6 10:06:04 hanapaa sshd\[17012\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210-71-232-236.hinet-ip.hinet.net  user=root
Oct  6 10:06:06 hanapaa sshd\[17012\]: Failed password for root from 210.71.232.236 port 57204 ssh2
Oct  6 10:10:27 hanapaa sshd\[17451\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210-71-232-236.hinet-ip.hinet.net  user=root
Oct  6 10:10:29 hanapaa sshd\[17451\]: Failed password for root from 210.71.232.236 port 41238 ssh2
Oct  6 10:14:55 hanapaa sshd\[17816\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210-71-232-236.hinet-ip.hinet.net  user=root

Oct  6 12:11:59 hcbbdb sshd\[8400\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.229.50  user=root
Oct  6 12:12:01 hcbbdb sshd\[8400\]: Failed password for root from 106.52.229.50 port 52122 ssh2
Oct  6 12:16:32 hcbbdb sshd\[8882\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.229.50  user=root
Oct  6 12:16:34 hcbbdb sshd\[8882\]: Failed password for root from 106.52.229.50 port 56018 ssh2
Oct  6 12:21:04 hcbbdb sshd\[9361\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.229.50  user=root

Oct  6 10:20:37 wbs sshd\[4091\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.111.184.10  user=root
Oct  6 10:20:39 wbs sshd\[4091\]: Failed password for root from 223.111.184.10 port 39322 ssh2
Oct  6 10:23:58 wbs sshd\[4423\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.111.184.10  user=root
Oct  6 10:24:00 wbs sshd\[4423\]: Failed password for root from 223.111.184.10 port 54776 ssh2
Oct  6 10:27:19 wbs sshd\[4724\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.111.184.10  user=root

Oct  6 16:24:39 ny01 sshd[4640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.55.241.3
Oct  6 16:24:42 ny01 sshd[4640]: Failed password for invalid user 1qaz2wsx3edc4rfv5tgb6yhn from 117.55.241.3 port 33880 ssh2
Oct  6 16:29:13 ny01 sshd[5870]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.55.241.3

Automatic report - Port Scan Attack

Oct  6 10:04:32 auw2 sshd\[5635\]: Invalid user 123Faithless from 54.37.254.57
Oct  6 10:04:32 auw2 sshd\[5635\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3108951.ip-54-37-254.eu
Oct  6 10:04:35 auw2 sshd\[5635\]: Failed password for invalid user 123Faithless from 54.37.254.57 port 52452 ssh2
Oct  6 10:08:24 auw2 sshd\[5997\]: Invalid user Compilern-123 from 54.37.254.57
Oct  6 10:08:24 auw2 sshd\[5997\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3108951.ip-54-37-254.eu

Brute force attempt

Oct  6 09:49:39 php1 sshd\[17152\]: Invalid user Caramel@123 from 80.211.245.183
Oct  6 09:49:39 php1 sshd\[17152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.245.183
Oct  6 09:49:40 php1 sshd\[17152\]: Failed password for invalid user Caramel@123 from 80.211.245.183 port 45868 ssh2
Oct  6 09:53:48 php1 sshd\[17505\]: Invalid user Caramel@123 from 80.211.245.183
Oct  6 09:53:48 php1 sshd\[17505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.245.183

Oct  6 22:19:20 dedicated sshd[778]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.72.208.74  user=root
Oct  6 22:19:22 dedicated sshd[778]: Failed password for root from 148.72.208.74 port 47596 ssh2

Dovecot Brute-Force

2019-10-06T19:53:16.817212abusebot-8.cloudsearch.cf sshd\[10302\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.164.219.160  user=root

2019-10-06T22:06:25.4931181240 sshd\[21526\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.148.77  user=root
2019-10-06T22:06:27.9470121240 sshd\[21526\]: Failed password for root from 51.77.148.77 port 54616 ssh2
2019-10-06T22:13:10.1296451240 sshd\[21963\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.148.77  user=root
...