General vulnerability scan.

[2020-07-25 19:51:19] NOTICE[1248][C-00000429] chan_sip.c: Call from '' (156.96.155.3:49928) to extension '00441235619357' rejected because extension not found in context 'public'.
[2020-07-25 19:51:19] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-25T19:51:19.125-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441235619357",SessionID="0x7f272004f2e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.155.3/49928",ACLName="no_extension_match"
[2020-07-25 19:54:36] NOTICE[1248][C-00000430] chan_sip.c: Call from '' (156.96.155.3:54814) to extension '00441235619357' rejected because extension not found in context 'public'.
[2020-07-25 19:54:36] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-25T19:54:36.509-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441235619357",SessionID="0x7f27200369e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.
...

[2020-07-25 16:02:02] NOTICE[1248][C-00000280] chan_sip.c: Call from '' (156.96.155.3:65232) to extension '00441235619357' rejected because extension not found in context 'public'.
[2020-07-25 16:02:02] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-25T16:02:02.713-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441235619357",SessionID="0x7f27200369e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.155.3/65232",ACLName="no_extension_match"
[2020-07-25 16:05:32] NOTICE[1248][C-00000289] chan_sip.c: Call from '' (156.96.155.3:63543) to extension '00441235619357' rejected because extension not found in context 'public'.
[2020-07-25 16:05:32] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-25T16:05:32.883-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441235619357",SessionID="0x7f2720090aa8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.
...

[2020-07-25 05:00:32] NOTICE[1277][C-00003103] chan_sip.c: Call from '' (156.96.155.3:59556) to extension '00441235619357' rejected because extension not found in context 'public'.
[2020-07-25 05:00:32] SECURITY[1295] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-25T05:00:32.709-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441235619357",SessionID="0x7f17545b1d48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.155.3/59556",ACLName="no_extension_match"
[2020-07-25 05:03:44] NOTICE[1277][C-00003107] chan_sip.c: Call from '' (156.96.155.3:60414) to extension '00441235619357' rejected because extension not found in context 'public'.
[2020-07-25 05:03:44] SECURITY[1295] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-25T05:03:44.460-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441235619357",SessionID="0x7f1754742008",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.
...

Fraudulent SIP

[2020-07-09 11:20:26] NOTICE[1150][C-00001217] chan_sip.c: Call from '' (156.96.155.3:60729) to extension '01146313113292' rejected because extension not found in context 'public'.
[2020-07-09 11:20:26] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-09T11:20:26.145-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01146313113292",SessionID="0x7fcb4c07a778",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.155.3/60729",ACLName="no_extension_match"
[2020-07-09 11:23:24] NOTICE[1150][C-0000121b] chan_sip.c: Call from '' (156.96.155.3:49729) to extension '901146313113292' rejected because extension not found in context 'public'.
[2020-07-09 11:23:24] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-09T11:23:24.602-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="901146313113292",SessionID="0x7fcb4c03b8a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.9
...

[2020-07-09 07:07:34] NOTICE[1150][C-00001090] chan_sip.c: Call from '' (156.96.155.3:59092) to extension '990046313113292' rejected because extension not found in context 'public'.
[2020-07-09 07:07:34] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-09T07:07:34.825-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="990046313113292",SessionID="0x7fcb4c0dfe08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.155.3/59092",ACLName="no_extension_match"
[2020-07-09 07:10:21] NOTICE[1150][C-00001094] chan_sip.c: Call from '' (156.96.155.3:57186) to extension '000046313113292' rejected because extension not found in context 'public'.
[2020-07-09 07:10:21] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-09T07:10:21.351-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="000046313113292",SessionID="0x7fcb4c07a778",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156
...

156.96.155.243 - - [22/Jun/2020:14:03:37 +0200] "GET /phpmyadmin/ HTTP/1.1" 301 162 "http://77.73.69.240/" "Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1"
156.96.155.243 - - [22/Jun/2020:14:03:57 +0200] "GET /PMA/ HTTP/1.1" 301 162 "http://77.73.69.240/" "Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1"
...

 TCP (SYN) 156.96.155.230:54807 -> port 11211, len 44

ET DROP Spamhaus DROP Listed Traffic Inbound group 12 - port: 123 proto: UDP cat: Misc Attack

Port Scan detected!
...

Honeypot hit.

2020-04-30T22:52:20.879718+02:00 lumpi kernel: [13569678.341696] INPUT:DROP:SPAMHAUS_DROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=156.96.155.246 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=54321 PROTO=TCP SPT=49301 DPT=389 WINDOW=65535 RES=0x00 SYN URGP=0 
...

2020-04-30T23:05:25.704667+02:00 lumpi kernel: [13570463.154698] INPUT:DROP:SPAMHAUS_DROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=156.96.155.61 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=9474 PROTO=TCP SPT=55505 DPT=5038 WINDOW=1024 RES=0x00 SYN URGP=0 
...

detected by Fail2Ban

port scan and connect, tcp 23 (telnet)

2019-10-18T20:52:04.330154shield sshd\[23215\]: Invalid user android from 121.162.131.223 port 51147
2019-10-18T20:52:04.334889shield sshd\[23215\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.131.223
2019-10-18T20:52:06.054181shield sshd\[23215\]: Failed password for invalid user android from 121.162.131.223 port 51147 ssh2
2019-10-18T20:56:06.945524shield sshd\[24500\]: Invalid user wait4me from 121.162.131.223 port 42393
2019-10-18T20:56:06.949854shield sshd\[24500\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.131.223

Oct 18 10:38:47 php1 sshd\[15408\]: Invalid user dnflskfk from 106.12.212.139
Oct 18 10:38:47 php1 sshd\[15408\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.212.139
Oct 18 10:38:49 php1 sshd\[15408\]: Failed password for invalid user dnflskfk from 106.12.212.139 port 41434 ssh2
Oct 18 10:43:08 php1 sshd\[15904\]: Invalid user qwe123 from 106.12.212.139
Oct 18 10:43:08 php1 sshd\[15904\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.212.139

47.11.157.6 - - [18/Oct/2019:15:52:05 -0400] "GET /?page=products&action=view&manufacturerID=61&productID=%2fetc%2fpasswd%00&linkID=16812 HTTP/1.1" 302 - "https://exitdevice.com/?page=products&action=view&manufacturerID=61&productID=%2fetc%2fpasswd%00&linkID=16812" "Mozilla/5.0 (Windows NT 10.0; WOW64; Rv:50.0) Gecko/20100101 Firefox/50.0"
...

www.fahrschule-mihm.de 150.95.52.111 \[18/Oct/2019:22:23:17 +0200\] "POST /wp-login.php HTTP/1.1" 200 5756 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
www.fahrschule-mihm.de 150.95.52.111 \[18/Oct/2019:22:23:18 +0200\] "POST /xmlrpc.php HTTP/1.1" 200 4105 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

Oct 18 21:34:26 pl3server sshd[29473]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.113.253.221  user=r.r
Oct 18 21:34:28 pl3server sshd[29473]: Failed password for r.r from 176.113.253.221 port 41322 ssh2
Oct 18 21:34:30 pl3server sshd[29473]: Failed password for r.r from 176.113.253.221 port 41322 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=176.113.253.221

Fail2Ban - SMTP Bruteforce Attempt

2019-10-18T21:08:01.564475abusebot-5.cloudsearch.cf sshd\[25729\]: Invalid user yjlo from 61.133.232.253 port 5662
2019-10-18T21:08:01.569928abusebot-5.cloudsearch.cf sshd\[25729\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.133.232.253

202.47.51.150 - - [18/Oct/2019:15:52:20 -0400] "GET /?page=products&action=view&manufacturerID=36&productID=../../../../../../etc/passwd%00&linkID=13130 HTTP/1.1" 302 - "https://simplexlock.com/?page=products&action=view&manufacturerID=36&productID=../../../../../../etc/passwd%00&linkID=13130" "Mozilla/5.0 (Windows NT 10.0; WOW64; Rv:50.0) Gecko/20100101 Firefox/50.0"
...

Oct 18 21:36:42 iago sshd[31021]: Address 177.24.15.137 maps to ip-177-24-15-137.user.vivozap.com.br, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Oct 18 21:36:42 iago sshd[31021]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.24.15.137  user=r.r
Oct 18 21:36:45 iago sshd[31021]: Failed password for r.r from 177.24.15.137 port 63554 ssh2
Oct 18 21:36:45 iago sshd[31022]: Received disconnect from 177.24.15.137: 11: Bye Bye


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=177.24.15.137

Oct 18 22:51:57 vmanager6029 sshd\[7693\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.183.203.60  user=root
Oct 18 22:51:59 vmanager6029 sshd\[7693\]: Failed password for root from 121.183.203.60 port 55308 ssh2
Oct 18 22:56:17 vmanager6029 sshd\[7762\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.183.203.60  user=root

2019-10-18 15:59:10 H=([193.32.160.146]) [193.32.160.148]:31696 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.2) (https://www.spamhaus.org/sbl/query/SBL462197)
2019-10-18 15:59:10 H=([193.32.160.146]) [193.32.160.148]:31696 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.2) (https://www.spamhaus.org/sbl/query/SBL462197)
2019-10-18 15:59:10 H=([193.32.160.146]) [193.32.160.148]:31696 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.2) (https://www.spamhaus.org/sbl/query/SBL462197)
2019-10-18 15:59:10 H=([193.32.160.146]) [193.32.160.148]:31696 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdy
...

150.129.63.124 - - [18/Oct/2019:15:51:42 -0400] "GET /?page=products&action=view&manufacturerID=36&productID=..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd&linkID=13130 HTTP/1.1" 302 - "https://simplexlock.com/?page=products&action=view&manufacturerID=36&productID=..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd&linkID=13130" "Mozilla/5.0 (Windows NT 10.0; WOW64; Rv:50.0) Gecko/20100101 Firefox/50.0"
150.129.63.124 - - [18/Oct/2019:15:51:43 -0400] "GET /?page=manufacturers&manufacturerID=36 HTTP/1.1" 200 52161 "https://simplexlock.com/?page=products&action=view&manufacturerID=36&productID=..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd&linkID=13130" "Mozilla/5.0 (Windows NT 10.0; WOW64; Rv:50.0) Gecko/20100101 Firefox/50.0"
...

Oct 18 22:47:45 v22019058497090703 sshd[28585]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.110.128.74
Oct 18 22:47:46 v22019058497090703 sshd[28585]: Failed password for invalid user watson from 212.110.128.74 port 45975 ssh2
Oct 18 22:55:25 v22019058497090703 sshd[29178]: Failed password for root from 212.110.128.74 port 38306 ssh2
...

Oct 18 10:55:44 friendsofhawaii sshd\[19519\]: Invalid user end from 120.150.216.161
Oct 18 10:55:44 friendsofhawaii sshd\[19519\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=arn1285831.lnk.telstra.net
Oct 18 10:55:46 friendsofhawaii sshd\[19519\]: Failed password for invalid user end from 120.150.216.161 port 49184 ssh2
Oct 18 11:01:39 friendsofhawaii sshd\[19991\]: Invalid user pas\$w0rd! from 120.150.216.161
Oct 18 11:01:39 friendsofhawaii sshd\[19991\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=arn1285831.lnk.telstra.net