Oct  9 15:25:39 mail postfix/smtpd[9536]: warning: ip160.ip-54-39-10.net[54.39.10.160]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  9 15:25:49 mail postfix/smtpd[9536]: warning: ip160.ip-54-39-10.net[54.39.10.160]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  9 15:26:01 mail postfix/smtpd[1935]: warning: ip160.ip-54-39-10.net[54.39.10.160]: SASL LOGIN authentication failed: UGFzc3dvcmQ6

Port Scan detected!
...

[2020-05-24 11:18:42] NOTICE[1157][C-00008dee] chan_sip.c: Call from '' (54.39.104.201:38874) to extension '700441519460088' rejected because extension not found in context 'public'.
[2020-05-24 11:18:42] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-24T11:18:42.041-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="700441519460088",SessionID="0x7f5f1039ca78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/54.39.104.201/5060",ACLName="no_extension_match"
[2020-05-24 11:19:49] NOTICE[1157][C-00008df1] chan_sip.c: Call from '' (54.39.104.201:25990) to extension '7001441519460088' rejected because extension not found in context 'public'.
[2020-05-24 11:19:49] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-24T11:19:49.546-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="7001441519460088",SessionID="0x7f5f10678288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

[2020-05-24 05:00:33] NOTICE[1157][C-00008c3f] chan_sip.c: Call from '' (54.39.104.201:23055) to extension '016441519460088' rejected because extension not found in context 'public'.
[2020-05-24 05:00:33] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-24T05:00:33.340-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="016441519460088",SessionID="0x7f5f103a3228",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/54.39.104.201/5060",ACLName="no_extension_match"
[2020-05-24 05:01:35] NOTICE[1157][C-00008c41] chan_sip.c: Call from '' (54.39.104.201:39223) to extension '017441519460088' rejected because extension not found in context 'public'.
[2020-05-24 05:01:35] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-24T05:01:35.365-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="017441519460088",SessionID="0x7f5f10787a08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5
...

[2020-05-23 17:44:13] NOTICE[1157][C-000089db] chan_sip.c: Call from '' (54.39.104.201:8904) to extension '099441519460088' rejected because extension not found in context 'public'.
[2020-05-23 17:44:13] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-23T17:44:13.005-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="099441519460088",SessionID="0x7f5f10678288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/54.39.104.201/8904",ACLName="no_extension_match"
[2020-05-23 17:52:08] NOTICE[1157][C-000089ea] chan_sip.c: Call from '' (54.39.104.201:5645) to extension '1000441519460088' rejected because extension not found in context 'public'.
[2020-05-23 17:52:08] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-23T17:52:08.115-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1000441519460088",SessionID="0x7f5f100266a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5
...

[2020-05-20 04:10:00] NOTICE[1157][C-000071df] chan_sip.c: Call from '' (54.39.104.201:15769) to extension '00048323395006' rejected because extension not found in context 'public'.
[2020-05-20 04:10:00] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-20T04:10:00.149-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00048323395006",SessionID="0x7f5f100266a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/54.39.104.201/5060",ACLName="no_extension_match"
[2020-05-20 04:10:03] NOTICE[1157][C-000071e1] chan_sip.c: Call from '' (54.39.104.201:15466) to extension '0048323395006' rejected because extension not found in context 'public'.
[2020-05-20 04:10:03] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-20T04:10:03.835-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0048323395006",SessionID="0x7f5f10443b28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/54.39.1
...

Wordpress attack

Port scan on 3 port(s): 4085 5095 8060

Port scan(s) denied

Mar  1 13:19:47 *** sshd[24821]: Did not receive identification string from 54.39.10.56

Automatic report - SSH Brute-Force Attack

Dec 23 10:17:42 meumeu sshd[5084]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.104.29 
Dec 23 10:17:45 meumeu sshd[5084]: Failed password for invalid user hasuike from 54.39.104.29 port 50156 ssh2
Dec 23 10:22:32 meumeu sshd[5773]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.104.29 
...

Dec 21 14:27:55 SilenceServices sshd[6639]: Failed password for root from 54.39.107.119 port 48106 ssh2
Dec 21 14:33:43 SilenceServices sshd[8243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.107.119
Dec 21 14:33:45 SilenceServices sshd[8243]: Failed password for invalid user wwwrun from 54.39.107.119 port 55628 ssh2

Invalid user amaude from 54.39.107.119 port 52950

Dec 20 16:58:20 MK-Soft-VM7 sshd[18967]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.104.29 
Dec 20 16:58:22 MK-Soft-VM7 sshd[18967]: Failed password for invalid user awghabuan from 54.39.104.29 port 37424 ssh2
...

Dec 20 14:51:08 MK-Soft-VM7 sshd[16261]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.104.29 
Dec 20 14:51:10 MK-Soft-VM7 sshd[16261]: Failed password for invalid user 123450 from 54.39.104.29 port 49996 ssh2
...

Sep 20 17:57:59 blackbee postfix/smtpd[4139]: NOQUEUE: reject: RCPT from bband-dyn98.95-103-33.t-com.sk[95.103.33.98]: 554 5.7.1 Service unavailable; Client host [95.103.33.98] blocked using cbl.abuseat.org; Blocked - see http://www.abuseat.org/lookup.cgi?ip=95.103.33.98; from= to= proto=ESMTP helo=
...

 TCP (SYN) 74.120.14.31:37918 -> port 21, len 44

[2020-09-21 13:44:29] NOTICE[1239][C-000061aa] chan_sip.c: Call from '' (45.143.221.96:5071) to extension '+972594771385' rejected because extension not found in context 'public'.
[2020-09-21 13:44:29] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-21T13:44:29.808-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="+972594771385",SessionID="0x7f4d480381a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.96/5071",ACLName="no_extension_match"
[2020-09-21 13:52:36] NOTICE[1239][C-000061b2] chan_sip.c: Call from '' (45.143.221.96:5071) to extension '972594771385' rejected because extension not found in context 'public'.
[2020-09-21 13:52:36] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-21T13:52:36.178-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="972594771385",SessionID="0x7f4d48965da8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.96
...

Found on   Alienvault    / proto=6  .  srcport=38058  .  dstport=23  .     (2292)

(smtpauth) Failed SMTP AUTH login from 113.193.63.170 (IN/India/-): 5 in the last 3600 secs

Port Scan: TCP/443

201.212.17.201 (AR/Argentina/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 21 19:08:17 server sshd[21018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.111.246.143  user=root
Sep 21 19:08:20 server sshd[21018]: Failed password for root from 47.111.246.143 port 43136 ssh2
Sep 21 19:26:40 server sshd[24065]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.36.152.186  user=root
Sep 21 19:18:47 server sshd[22740]: Failed password for root from 170.210.221.48 port 42744 ssh2
Sep 21 19:06:44 server sshd[20759]: Failed password for root from 201.212.17.201 port 46606 ssh2
Sep 21 19:18:45 server sshd[22740]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=170.210.221.48  user=root

IP Addresses Blocked:

47.111.246.143 (CN/China/-)
78.36.152.186 (RU/Russia/-)
170.210.221.48 (AR/Argentina/-)

$f2bV_matches

$f2bV_matches

(sshd) Failed SSH login from 69.51.16.248 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 21 13:24:12 server sshd[4072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.51.16.248  user=root
Sep 21 13:24:14 server sshd[4072]: Failed password for root from 69.51.16.248 port 46972 ssh2
Sep 21 13:49:28 server sshd[11487]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.51.16.248  user=root
Sep 21 13:49:30 server sshd[11487]: Failed password for root from 69.51.16.248 port 57580 ssh2
Sep 21 13:53:10 server sshd[12596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.51.16.248  user=root

Sep 21 20:48:53 v22019058497090703 sshd[21968]: Failed password for root from 222.186.173.238 port 59006 ssh2
Sep 21 20:49:05 v22019058497090703 sshd[21968]: error: maximum authentication attempts exceeded for root from 222.186.173.238 port 59006 ssh2 [preauth]
...

Sep 20 21:03:08 server sshd[11187]: Failed password for root from 182.151.58.230 port 53384 ssh2
Sep 20 21:04:41 server sshd[11955]: Failed password for root from 182.151.58.230 port 46954 ssh2
Sep 20 21:06:17 server sshd[13014]: Failed password for root from 182.151.58.230 port 40520 ssh2

$f2bV_matches

142.93.52.174 - - [21/Sep/2020:20:43:25 +0200] "POST /xmlrpc.php HTTP/1.1" 403 613 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.52.174 - - [21/Sep/2020:20:55:53 +0200] "POST /xmlrpc.php HTTP/1.1" 403 613 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...

Sep 22 03:05:54 web1 sshd[20763]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.95.204  user=root
Sep 22 03:05:57 web1 sshd[20763]: Failed password for root from 138.68.95.204 port 54236 ssh2
Sep 22 03:11:51 web1 sshd[24270]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.95.204  user=root
Sep 22 03:11:52 web1 sshd[24270]: Failed password for root from 138.68.95.204 port 57818 ssh2
Sep 22 03:15:13 web1 sshd[25517]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.95.204  user=root
Sep 22 03:15:16 web1 sshd[25517]: Failed password for root from 138.68.95.204 port 36558 ssh2
Sep 22 03:18:46 web1 sshd[26688]: Invalid user postmaster from 138.68.95.204 port 43548
Sep 22 03:18:46 web1 sshd[26688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.95.204
Sep 22 03:18:46 web1 sshd[26688]: Invalid user postma
...