...

Feb 11 16:42:33 blackbee postfix/smtpd\[19663\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb 11 16:42:36 blackbee postfix/smtpd\[19663\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb 11 16:50:55 blackbee postfix/smtpd\[19705\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb 11 16:50:58 blackbee postfix/smtpd\[19705\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb 11 16:52:06 blackbee postfix/smtpd\[19705\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
...

Feb  9 16:13:00 blackbee postfix/smtpd\[12877\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 16:13:04 blackbee postfix/smtpd\[12877\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 16:14:23 blackbee postfix/smtpd\[12895\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 16:14:26 blackbee postfix/smtpd\[12877\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 16:14:43 blackbee postfix/smtpd\[12895\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
...

Feb  9 08:26:22 blackbee postfix/smtpd\[12122\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 08:26:26 blackbee postfix/smtpd\[12122\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 08:27:20 blackbee postfix/smtpd\[12122\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 08:27:24 blackbee postfix/smtpd\[12122\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
Feb  9 08:35:33 blackbee postfix/smtpd\[12132\]: warning: unknown\[78.128.113.90\]: SASL PLAIN authentication failed: authentication failure
...

PPTP  attack

Brute FOrce RDP

 TCP (SYN) 78.128.113.42:52105 -> port 3132, len 44

Oct 13 10:27:04 ns308116 postfix/smtpd[21167]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: authentication failure
Oct 13 10:27:04 ns308116 postfix/smtpd[21167]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: authentication failure
Oct 13 10:27:05 ns308116 postfix/smtpd[21167]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: authentication failure
Oct 13 10:27:05 ns308116 postfix/smtpd[21167]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: authentication failure
Oct 13 10:27:18 ns308116 postfix/smtpd[21167]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: authentication failure
Oct 13 10:27:18 ns308116 postfix/smtpd[21167]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: authentication failure
...

2020-10-10 18:21:45 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data \(set_id=harald.schueller@jugend-ohne-grenzen.net\)
2020-10-10 18:21:52 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-10 18:22:01 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-10 18:22:06 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-10 18:22:18 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
...

Oct 10 09:06:58 web01.agentur-b-2.de postfix/smtpd[215842]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: 
Oct 10 09:06:58 web01.agentur-b-2.de postfix/smtpd[215842]: lost connection after AUTH from unknown[78.128.113.119]
Oct 10 09:07:03 web01.agentur-b-2.de postfix/smtpd[215170]: lost connection after AUTH from unknown[78.128.113.119]
Oct 10 09:07:07 web01.agentur-b-2.de postfix/smtpd[215842]: lost connection after AUTH from unknown[78.128.113.119]
Oct 10 09:07:12 web01.agentur-b-2.de postfix/smtpd[198023]: lost connection after AUTH from unknown[78.128.113.119]

2020-10-09 00:34:28 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data \(set_id=harald.schueller@jugend-ohne-grenzen.net\)
2020-10-09 00:34:35 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-09 00:34:44 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-09 00:34:49 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-09 00:35:02 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-09 00:35:07 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-09 00:35:12 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128
...

Oct  8 17:05:35 websrv1.derweidener.de postfix/smtpd[911485]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: 
Oct  8 17:05:35 websrv1.derweidener.de postfix/smtpd[911485]: lost connection after AUTH from unknown[78.128.113.119]
Oct  8 17:05:40 websrv1.derweidener.de postfix/smtpd[911485]: lost connection after AUTH from unknown[78.128.113.119]
Oct  8 17:05:44 websrv1.derweidener.de postfix/smtpd[911485]: lost connection after AUTH from unknown[78.128.113.119]
Oct  8 17:05:49 websrv1.derweidener.de postfix/smtpd[911488]: lost connection after AUTH from unknown[78.128.113.119]

2020-10-08 08:48:16 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data \(set_id=ller@jugend-ohne-grenzen.net\)
2020-10-08 08:48:23 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-08 08:48:32 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-08 08:48:37 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-08 08:48:50 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
...

2020-10-07 14:08:06 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data \(set_id=mail@yt.gl\)
2020-10-07 14:08:13 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-07 14:08:21 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-07 14:08:26 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
2020-10-07 14:08:38 dovecot_plain authenticator failed for \(ip-113-119.4vendeta.com.\) \[78.128.113.119\]: 535 Incorrect authentication data
...

Oct  7 05:10:38 websrv1.derweidener.de postfix/smtpd[107296]: warning: unknown[78.128.113.119]: SASL PLAIN authentication failed: 
Oct  7 05:10:38 websrv1.derweidener.de postfix/smtpd[107296]: lost connection after AUTH from unknown[78.128.113.119]
Oct  7 05:10:42 websrv1.derweidener.de postfix/smtpd[107344]: lost connection after AUTH from unknown[78.128.113.119]
Oct  7 05:10:47 websrv1.derweidener.de postfix/smtpd[107296]: lost connection after AUTH from unknown[78.128.113.119]
Oct  7 05:10:51 websrv1.derweidener.de postfix/smtpd[107344]: lost connection after AUTH from unknown[78.128.113.119]

abuse-sasl

2020-09-22 14:30:55,068 fail2ban.actions        \[2657\]: NOTICE  \[qpsmtpd\] Ban 78.128.113.121
2020-09-23 01:39:50,049 fail2ban.actions        \[2657\]: NOTICE  \[qpsmtpd\] Ban 78.128.113.121
2020-09-23 04:58:18,143 fail2ban.actions        \[2657\]: NOTICE  \[qpsmtpd\] Ban 78.128.113.121
2020-09-23 06:49:19,792 fail2ban.actions        \[2657\]: NOTICE  \[qpsmtpd\] Ban 78.128.113.121
2020-09-23 13:29:44,888 fail2ban.actions        \[2657\]: NOTICE  \[qpsmtpd\] Ban 78.128.113.121
...

 TCP (SYN) 78.128.113.42:54394 -> port 3490, len 44

2020-10-05 18:24:24 dovecot_login authenticator failed for \(ip-113-121.4vendeta.com.\) \[78.128.113.121\]: 535 Incorrect authentication data \(set_id=info@yt.gl\)
2020-10-05 18:24:31 dovecot_login authenticator failed for \(ip-113-121.4vendeta.com.\) \[78.128.113.121\]: 535 Incorrect authentication data
2020-10-05 18:24:39 dovecot_login authenticator failed for \(ip-113-121.4vendeta.com.\) \[78.128.113.121\]: 535 Incorrect authentication data
2020-10-05 18:24:44 dovecot_login authenticator failed for \(ip-113-121.4vendeta.com.\) \[78.128.113.121\]: 535 Incorrect authentication data
2020-10-05 18:24:55 dovecot_login authenticator failed for \(ip-113-121.4vendeta.com.\) \[78.128.113.121\]: 535 Incorrect authentication data
2020-10-05 18:25:00 dovecot_login authenticator failed for \(ip-113-121.4vendeta.com.\) \[78.128.113.121\]: 535 Incorrect authentication data
2020-10-05 18:25:05 dovecot_login authenticator failed for \(ip-113-121.4vendeta.com.\) \[78.128.113.121\]: 535 Incorrect auth
...

Unauthorized connection attempt from IP address 124.156.240.79 on Port 25(SMTP)

Invalid user server from 140.143.136.89 port 51340

Unauthorized connection attempt from IP address 182.68.112.68 on Port 445(SMB)

Jan  4 03:13:53 kapalua sshd\[31165\]: Invalid user jenkins from 119.42.175.200
Jan  4 03:13:53 kapalua sshd\[31165\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.42.175.200
Jan  4 03:13:55 kapalua sshd\[31165\]: Failed password for invalid user jenkins from 119.42.175.200 port 43161 ssh2
Jan  4 03:15:50 kapalua sshd\[31307\]: Invalid user sybase from 119.42.175.200
Jan  4 03:15:50 kapalua sshd\[31307\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.42.175.200

Jan  4 14:15:23 sxvn sshd[3690934]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.164.248.187

Honeypot attack, port: 23, PTR: 170-83-140-80.dynamic.desktop.com.br.

Jan  4 14:46:19 master sshd[29006]: Failed password for invalid user mysql from 159.65.154.48 port 51756 ssh2

Unauthorized connection attempt from IP address 113.23.44.17 on Port 445(SMB)

Jan  4 14:39:11 localhost sshd\[3283\]: Invalid user legal from 106.54.219.195 port 49670
Jan  4 14:39:11 localhost sshd\[3283\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.219.195
Jan  4 14:39:13 localhost sshd\[3283\]: Failed password for invalid user legal from 106.54.219.195 port 49670 ssh2

SSH Brute Force, server-1 sshd[30301]: Failed password for root from 222.186.15.10 port 47368 ssh2

Jan  4 14:15:56 grey postfix/smtpd\[25367\]: NOQUEUE: reject: RCPT from unknown\[144.172.91.29\]: 554 5.7.1 Service unavailable\; Client host \[144.172.91.29\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[144.172.91.29\]\; from=\<3520-1134-56717-1095-principal=learning-steps.com@mail.bantureds.us\> to=\ proto=ESMTP helo=\
...

Jan  4 14:15:39 dev0-dcde-rnet sshd[512]: Failed password for root from 218.92.0.164 port 37422 ssh2
Jan  4 14:15:44 dev0-dcde-rnet sshd[512]: Failed password for root from 218.92.0.164 port 37422 ssh2
Jan  4 14:15:54 dev0-dcde-rnet sshd[512]: error: maximum authentication attempts exceeded for root from 218.92.0.164 port 37422 ssh2 [preauth]

Jan  4 14:16:00 cavern sshd[16229]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.86.166.7

Unauthorized connection attempt from IP address 112.135.86.229 on Port 445(SMB)

Jan  4 03:28:46 hpm sshd\[3391\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.231.76.46  user=hpmhawaii
Jan  4 03:28:48 hpm sshd\[3391\]: Failed password for hpmhawaii from 52.231.76.46 port 35020 ssh2
Jan  4 03:28:49 hpm sshd\[3404\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.231.76.46  user=hpmhawaii
Jan  4 03:28:51 hpm sshd\[3404\]: Failed password for hpmhawaii from 52.231.76.46 port 35522 ssh2
Jan  4 03:29:12 hpm sshd\[3442\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.231.76.46  user=hpmhawaii