Email server abuse

Unauthorized connection attempt from IP address 113.172.137.195 on Port 445(SMB)

Unauthorized IMAP connection attempt

Jun  7 13:55:27 pl3server postfix/smtpd[4399]: warning: hostname static.vnpt.vn does not resolve to address 113.172.132.143
Jun  7 13:55:27 pl3server postfix/smtpd[4399]: warning: hostname static.vnpt.vn does not resolve to address 113.172.132.143
Jun  7 13:55:27 pl3server postfix/smtpd[4399]: connect from unknown[113.172.132.143]
Jun  7 13:55:27 pl3server postfix/smtpd[4399]: connect from unknown[113.172.132.143]
Jun  7 13:55:29 pl3server postfix/smtpd[4399]: warning: unknown[113.172.132.143]: SASL CRAM-MD5 authentication failed: authentication failure
Jun  7 13:55:29 pl3server postfix/smtpd[4399]: warning: unknown[113.172.132.143]: SASL CRAM-MD5 authentication failed: authentication failure
Jun  7 13:55:30 pl3server postfix/smtpd[4399]: warning: unknown[113.172.132.143]: SASL PLAIN authentication failed: authentication failure
Jun  7 13:55:30 pl3server postfix/smtpd[4399]: warning: unknown[113.172.132.143]: SASL PLAIN authentication failed: authentication failure


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It tried to use my email in some page

Lines containing failures of 113.172.135.22
May 11 05:14:32 majoron sshd[17297]: Invalid user admin from 113.172.135.22 port 38476
May 11 05:14:32 majoron sshd[17297]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.172.135.22 
May 11 05:14:35 majoron sshd[17297]: Failed password for invalid user admin from 113.172.135.22 port 38476 ssh2


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https://www.blocklist.de/en/view.html?ip=113.172.135.22

2020-04-2405:46:181jRpI9-0005sR-Rs\<=info@whatsup2013.chH=\(localhost\)[113.172.132.207]:38137P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3078id=061d72313a11c43714ea1c4f4490a985a64c497b2a@whatsup2013.chT="fromVonnietodamifaro"fordamifaro@gmail.comkylegorman91.kg@gmail.com2020-04-2405:45:341jRpHR-0005pT-9B\<=info@whatsup2013.chH=fixed-187-188-187-140.totalplay.net\(localhost\)[187.188.187.140]:36563P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3186id=8c1490b0bb9045b6956b9dcec511280427cda678b0@whatsup2013.chT="NewlikefromJonty"fortompetty1fan@yahoo.comwood.david1998@yahoo.com2020-04-2405:44:041jRpFz-0005aP-Q1\<=info@whatsup2013.chH=\(localhost\)[171.35.166.172]:45111P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3126id=8ca686dbd0fb2eddfe00f6a5ae7a436f4ca639564f@whatsup2013.chT="YouhavenewlikefromSelma"forrawharp950@gmail.comwmckas@gmail.com2020-04-2405:44:171jRpGC-0005cX-

(smtpauth) Failed SMTP AUTH login from 113.172.139.100 (VN/Vietnam/static.vnpt.vn): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-04-15 01:20:12 login authenticator failed for ([127.0.0.1]) [113.172.139.100]: 535 Incorrect authentication data (set_id=info)

Lines containing failures of 113.172.139.186
Apr 11 14:15:06 omfg postfix/smtpd[3590]: warning: hostname static.vnpt.vn does not resolve to address 113.172.139.186
Apr 11 14:15:06 omfg postfix/smtpd[3590]: connect from unknown[113.172.139.186]
Apr 11 14:15:09 omfg postfix/smtpd[3590]: Anonymous TLS connection established from unknown[113.172.139.186]: TLSv1.2 whostnameh cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bhostnames)
Apr x@x


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https://www.blocklist.de/en/view.html?ip=113.172.139.186

Brute force attempt

2020-03-2304:56:391jGECc-0000PU-Bv\<=info@whatsup2013.chH=\(localhost\)[171.6.204.20]:56686P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3553id=8E8B3D6E65B19F2CF0F5BC04C0D327FF@whatsup2013.chT="iamChristina"forrebledog257@gmail.comzorro456@gmail.com2020-03-2304:54:291jGEAW-0000FT-Qp\<=info@whatsup2013.chH=\(localhost\)[121.141.237.207]:60086P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3673id=7075C3909B4F61D20E0B42FA3ED8D28D@whatsup2013.chT="iamChristina"forjosefarfan@hotmail.comjuanchermida11@gmail.com2020-03-2304:57:161jGEDD-0000S1-Bx\<=info@whatsup2013.chH=\(localhost\)[14.186.184.33]:38681P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3625id=D2D7613239EDC370ACA9E0589C79AFCC@whatsup2013.chT="iamChristina"forjarre23.ja@gmail.comtdun60@icloud.com2020-03-2304:57:551jGEDr-0000VP-5n\<=info@whatsup2013.chH=\(localhost\)[113.172.135.59]:41139P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256

2020-03-2204:47:211jFra4-00043d-Gx\<=info@whatsup2013.chH=\(localhost\)[14.186.182.29]:34632P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3647id=9E9B2D7E75A18F3CE0E5AC14D03BB09C@whatsup2013.chT="iamChristina"forynflyg@gmail.comjonathan_stevenson1@hotmail.com2020-03-2204:45:001jFrXn-0003sR-Do\<=info@whatsup2013.chH=045-238-122-160.provecom.com.br\(localhost\)[45.238.122.160]:38099P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3746id=313482D1DA0E20934F4A03BB7FA3DD33@whatsup2013.chT="iamChristina"forzzrxt420@gmail.comdemcatz@yahoo.com2020-03-2204:47:261jFra9-000442-Gu\<=info@whatsup2013.chH=fixed-187-190-45-120.totalplay.net\(localhost\)[187.190.45.120]:57389P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3746id=7277C192994D63D00C0940F83CF509FE@whatsup2013.chT="iamChristina"forjvcan@aol.comtjgj84@gmail.com2020-03-2204:45:101jFrXx-0003tS-BI\<=info@whatsup2013.chH=\(localhost\)[

Invalid user admin from 113.172.135.62 port 51219

2020-03-1304:56:551jCbRO-0003W4-Oy\<=info@whatsup2013.chH=\(localhost\)[113.172.130.72]:54976P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=2377id=8B8E386B60B49A29F5F0B901F594C5BD@whatsup2013.chT="fromDarya"fordreaming949@hotmail.compoksay3@gmail.com2020-03-1304:55:511jCbQM-0003Rk-7e\<=info@whatsup2013.chH=\(localhost\)[113.181.135.44]:53490P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=2419id=6560D6858E5A74C71B1E57EF1B77A7AC@whatsup2013.chT="fromDarya"forrezafaozi9@gmail.comnyinyi.aa220@gmail.com2020-03-1304:56:381jCbR7-0003Um-Ls\<=info@whatsup2013.chH=\(localhost\)[113.172.197.86]:51466P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=2376id=ADA81E4D4692BC0FD3D69F27D3B5CA15@whatsup2013.chT="fromDarya"forbcharazean@gmail.comsteverog84@gmail.com2020-03-1304:56:131jCbQi-0003TC-Rn\<=info@whatsup2013.chH=\(localhost\)[113.172.192.150]:38696P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-S

2020-03-0602:27:081jA1lc-0006xM-66\<=verena@rs-solution.chH=\(localhost\)[113.173.1.210]:37821P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2196id=E9EC5A0902D6F84B9792DB639740B889@rs-solution.chT="Justneedatinybitofyourattention"formattymattmc@gmail.comtonychong882@gmail.com2020-03-0602:28:111jA1mb-00074d-NY\<=verena@rs-solution.chH=\(localhost\)[197.251.252.238]:60432P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2233id=191CAAF9F22608BB67622B93678A4DA2@rs-solution.chT="Areyouseekingtruelove\?"foramansingh53075@gmail.comnsumpter24@gmail.com2020-03-0602:28:311jA1mw-00076w-HI\<=verena@rs-solution.chH=\(localhost\)[113.172.139.156]:47192P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2241id=4144F2A1AA7E50E33F3A73CB3F7B7377@rs-solution.chT="Wouldliketoexploreyou"forruinar.scoor@mail.eerobertgalindo0766@gmail.com2020-03-0602:27:461jA1mD-00072e-Na\<=verena@rs-solution.chH=\

Email rejected due to spam filtering

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Banned for a week because repeated abuses, for example SSH, but not only

Aug 10 11:13:45 vm0 sshd[15252]: Failed password for root from 139.199.23.233 port 42618 ssh2
...

Aug 10 06:47:00 buvik sshd[16080]: Failed password for root from 120.92.35.127 port 44082 ssh2
Aug 10 06:52:05 buvik sshd[16771]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.92.35.127  user=root
Aug 10 06:52:07 buvik sshd[16771]: Failed password for root from 120.92.35.127 port 50784 ssh2
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Aug 10 12:37:30 ip106 sshd[20617]: Failed password for root from 51.158.162.242 port 59276 ssh2
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Aug 10 06:41:58 ws24vmsma01 sshd[50281]: Failed password for root from 65.97.252.131 port 60700 ssh2
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2020-08-09 22:40:24.717072-0500  localhost smtpd[38962]: NOQUEUE: reject: RCPT from unknown[181.74.24.213]: 554 5.7.1 Service unavailable; Client host [181.74.24.213] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/181.74.24.213 / https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<[181.74.24.213]>

2020-08-10T08:14:11.066027centos sshd[13830]: Failed password for root from 103.242.56.174 port 51016 ssh2
2020-08-10T08:16:19.120234centos sshd[14264]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.56.174  user=root
2020-08-10T08:16:21.574041centos sshd[14264]: Failed password for root from 103.242.56.174 port 44136 ssh2
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"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:

WordPress wp-login brute force :: 142.4.22.236 1.548 BYPASS [10/Aug/2020:10:21:48  0000] [censored_2] "POST /wp-login.php HTTP/1.1" 200 2003 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Aug 10 12:16:52 vps sshd[1033237]: Failed password for root from 218.92.0.138 port 41113 ssh2
Aug 10 12:16:56 vps sshd[1033237]: Failed password for root from 218.92.0.138 port 41113 ssh2
Aug 10 12:16:59 vps sshd[1033237]: Failed password for root from 218.92.0.138 port 41113 ssh2
Aug 10 12:17:03 vps sshd[1033237]: Failed password for root from 218.92.0.138 port 41113 ssh2
Aug 10 12:17:06 vps sshd[1033237]: Failed password for root from 218.92.0.138 port 41113 ssh2
...

Sent packet to closed port: 23

bruteforce detected

2020-08-10T10:18:40.092858server.espacesoutien.com sshd[5921]: Failed password for root from 222.186.52.86 port 30471 ssh2
2020-08-10T10:18:41.731304server.espacesoutien.com sshd[5921]: Failed password for root from 222.186.52.86 port 30471 ssh2
2020-08-10T10:20:05.414920server.espacesoutien.com sshd[6107]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.86  user=root
2020-08-10T10:20:07.430817server.espacesoutien.com sshd[6107]: Failed password for root from 222.186.52.86 port 57675 ssh2
...

2020-08-10T13:34:29.959659lavrinenko.info sshd[5237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.102  user=root
2020-08-10T13:34:31.920942lavrinenko.info sshd[5237]: Failed password for root from 61.177.172.102 port 63640 ssh2
2020-08-10T13:34:29.959659lavrinenko.info sshd[5237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.102  user=root
2020-08-10T13:34:31.920942lavrinenko.info sshd[5237]: Failed password for root from 61.177.172.102 port 63640 ssh2
2020-08-10T13:34:33.906991lavrinenko.info sshd[5237]: Failed password for root from 61.177.172.102 port 63640 ssh2
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