27.3.1.45 - IPInfo

Basic Info

City: unknown

Region: unknown

Country: Viet Nam

Internet Service Provider: Saigon Tourist Cable Television

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:

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Type	Details	Datetime
attack	Multiple SASL authentication failures. Date: 2019 Nov 01. 02:51:25 -- Source IP: 27.3.1.45 Portion of the log(s): Nov 1 02:51:25 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server Nov 1 02:51:20 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6 Nov 1 02:51:02 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server Nov 1 02:50:58 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6 Nov 1 02:50:48 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server Nov 1 02:50:42 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6 Nov 1 02:50:42 vserv postfix/smtps/smtpd[3535]: warning ....	2019-11-01 18:33:00

Type

Details

Datetime

attack

Multiple SASL authentication failures.
Date: 2019 Nov 01. 02:51:25 -- Source IP: 27.3.1.45

Portion of the log(s):
Nov 1 02:51:25 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 1 02:51:20 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Nov 1 02:51:02 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 1 02:50:58 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Nov 1 02:50:48 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 1 02:50:42 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Nov 1 02:50:42 vserv postfix/smtps/smtpd[3535]: warning ....

2019-11-01 18:33:00

Comments on same subnet:

IP	Type	Details	Datetime
27.3.161.3	attack	Unauthorized connection attempt from IP address 27.3.161.3 on Port 445(SMB)	2020-08-19 19:43:52
27.3.161.26	attackspambots	1597147588 - 08/11/2020 14:06:28 Host: 27.3.161.26/27.3.161.26 Port: 445 TCP Blocked	2020-08-12 03:01:47
27.3.186.1	attackspam	2020-07-08 06:35:21.531953-0500 localhost smtpd[95922]: NOQUEUE: reject: RCPT from unknown[27.3.186.1]: 554 5.7.1 Service unavailable; Client host [27.3.186.1] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/27.3.186.1; from= to= proto=ESMTP helo=<[27.3.186.1]>	2020-07-08 21:04:22
27.3.178.159	attackspambots	20/7/5@23:53:07: FAIL: IoT-Telnet address from=27.3.178.159 ...	2020-07-06 14:06:38
27.3.129.129	attackbotsspam	1592051102 - 06/13/2020 14:25:02 Host: 27.3.129.129/27.3.129.129 Port: 445 TCP Blocked	2020-06-14 00:03:22
27.3.139.166	attackspam	27.3.139.166 - - [06/Jun/2020:14:31:03 +0200] "POST /wp-login.php HTTP/1.1" 200 6434 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" 27.3.139.166 - - [06/Jun/2020:14:31:04 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" 27.3.139.166 - - [06/Jun/2020:17:59:58 +0200] "GET /wp-login.php HTTP/1.1" 200 6183 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"	2020-06-07 00:04:18
27.3.10.25	attack	Invalid user r00t from 27.3.10.25 port 55036	2020-05-23 19:30:15
27.3.193.120	attackspambots	2020-05-21T12:00:47.353472homeassistant sshd[18633]: Invalid user avanthi from 27.3.193.120 port 49820 2020-05-21T12:00:47.574908homeassistant sshd[18633]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.3.193.120 ...	2020-05-22 01:55:52
27.3.117.3	attackbotsspam	Unauthorized connection attempt detected from IP address 27.3.117.3 to port 88 [T]	2020-05-20 12:38:03
27.3.194.237	attackbotsspam	27.3.194.237 - - [13/May/2020:05:51:50 +0200] "GET / HTTP/1.1" 400 0 "-" "-"	2020-05-13 18:22:40
27.3.1.99	attackbotsspam	Unauthorized connection attempt from IP address 27.3.1.99 on Port 445(SMB)	2020-05-07 21:52:21
27.3.160.19	attackbotsspam	Unauthorized connection attempt detected from IP address 27.3.160.19 to port 445 [T]	2020-04-15 04:08:26
27.3.13.77	attackspam	Unauthorized connection attempt detected from IP address 27.3.13.77 to port 1433 [T]	2020-04-14 23:32:19
27.3.144.130	attackspam	1586058448 - 04/05/2020 05:47:28 Host: 27.3.144.130/27.3.144.130 Port: 445 TCP Blocked	2020-04-05 20:33:51
27.3.122.99	attackbotsspam	Unauthorized connection attempt detected from IP address 27.3.122.99 to port 23 [T]	2020-03-25 00:14:01

Whois info:

Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 27.3.1.45
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17566
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;27.3.1.45.			IN	A

;; AUTHORITY SECTION:
.			358	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019110100 1800 900 604800 86400

;; Query time: 257 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Nov 01 18:32:57 CST 2019
;; MSG SIZE  rcvd: 113

Host info

Host 45.1.3.27.in-addr.arpa not found: 2(SERVFAIL)

Nslookup info:

;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 45.1.3.27.in-addr.arpa: SERVFAIL

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