[2020-05-02 05:01:47] NOTICE[1170][C-000097e4] chan_sip.c: Call from '' (45.143.220.230:5261) to extension '2081822273' rejected because extension not found in context 'public'.
[2020-05-02 05:01:47] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-02T05:01:47.296-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="2081822273",SessionID="0x7f6c08184668",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.230/5261",ACLName="no_extension_match"
[2020-05-02 05:01:47] NOTICE[1170][C-000097e5] chan_sip.c: Call from '' (45.143.220.230:5261) to extension '0' rejected because extension not found in context 'public'.
[2020-05-02 05:01:47] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-02T05:01:47.387-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0",SessionID="0x7f6c082fee88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.230/5261",ACLName="no_exten
...

[2020-03-21 17:10:46] NOTICE[1148] chan_sip.c: Registration from '"303" ' failed for '45.143.220.230:5255' - Wrong password
[2020-03-21 17:10:46] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-21T17:10:46.563-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="303",SessionID="0x7fd82c43c848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.230/5255",Challenge="31ed3a56",ReceivedChallenge="31ed3a56",ReceivedHash="cb6a5e0ac1d89016dea8416895c9e610"
[2020-03-21 17:10:46] NOTICE[1148] chan_sip.c: Registration from '"303" ' failed for '45.143.220.230:5255' - Wrong password
[2020-03-21 17:10:46] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-21T17:10:46.661-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="303",SessionID="0x7fd82c4f46f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.14
...

[2020-03-20 18:47:59] NOTICE[1148] chan_sip.c: Registration from '"1000" ' failed for '45.143.220.230:6102' - Wrong password
[2020-03-20 18:47:59] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-20T18:47:59.785-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1000",SessionID="0x7fd82c530768",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.230/6102",Challenge="05e2e2df",ReceivedChallenge="05e2e2df",ReceivedHash="70d35f875453a39b333fe83a8f850239"
[2020-03-20 18:47:59] NOTICE[1148] chan_sip.c: Registration from '"1000" ' failed for '45.143.220.230:6102' - Wrong password
[2020-03-20 18:47:59] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-20T18:47:59.894-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1000",SessionID="0x7fd82cdb8718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

[2020-03-20 07:47:06] NOTICE[1148] chan_sip.c: Registration from '"10" ' failed for '45.143.220.230:5871' - Wrong password
[2020-03-20 07:47:06] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-20T07:47:06.346-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="10",SessionID="0x7fd82c40aa58",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.230/5871",Challenge="1d681f56",ReceivedChallenge="1d681f56",ReceivedHash="d03bcb6d8247335d370db3cac8254f90"
[2020-03-20 07:47:06] NOTICE[1148] chan_sip.c: Registration from '"10" ' failed for '45.143.220.230:5871' - Wrong password
[2020-03-20 07:47:06] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-20T07:47:06.443-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="10",SessionID="0x7fd82cdb8718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.
...

[2020-03-19 08:27:03] NOTICE[1148] chan_sip.c: Registration from '"999" ' failed for '45.143.220.230:5495' - Wrong password
[2020-03-19 08:27:03] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-19T08:27:03.706-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="999",SessionID="0x7fd82cdb8718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.230/5495",Challenge="1a1fc01c",ReceivedChallenge="1a1fc01c",ReceivedHash="485ebbe81612cdb768648238ecef8b51"
[2020-03-19 08:27:03] NOTICE[1148] chan_sip.c: Registration from '"999" ' failed for '45.143.220.230:5495' - Wrong password
[2020-03-19 08:27:03] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-19T08:27:03.812-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="999",SessionID="0x7fd82c530768",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.14
...

The IP 45.143.220.3 has just been banned by Fail2Ban after 8 attempts

Automatic report - Brute Force attack using this IP address

Tried our host z.

45.143.220.59 was recorded 7 times by 2 hosts attempting to connect to the following ports: 5060. Incident counter (4h, 24h, all-time): 7, 16, 1532

45.143.220.59 was recorded 5 times by 2 hosts attempting to connect to the following ports: 5060. Incident counter (4h, 24h, all-time): 5, 30, 1507

[2020-08-15 11:32:40] NOTICE[1185][C-000027ae] chan_sip.c: Call from '' (45.143.220.87:6336) to extension '0046842002652' rejected because extension not found in context 'public'.
[2020-08-15 11:32:40] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-15T11:32:40.124-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0046842002652",SessionID="0x7f10c43e3a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.87/6336",ACLName="no_extension_match"
[2020-08-15 11:40:48] NOTICE[1185][C-000027b5] chan_sip.c: Call from '' (45.143.220.87:11278) to extension '+46842002652' rejected because extension not found in context 'public'.
[2020-08-15 11:40:48] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-15T11:40:48.085-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="+46842002652",SessionID="0x7f10c43e3a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.8
...

Try to login my routers admin-account several times.

45.143.220.59 was recorded 5 times by 4 hosts attempting to connect to the following ports: 5060. Incident counter (4h, 24h, all-time): 5, 38, 1279

[N10.H2.VM2] Port Scanner Detected Blocked by UFW

08/07/2020-08:08:43.480573 45.143.220.59 Protocol: 17 ET SCAN Sipvicious Scan

Aug  5 07:28:09 debian-2gb-nbg1-2 kernel: \[18863752.168870\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.143.220.116 DST=195.201.40.59 LEN=444 TOS=0x00 PREC=0x00 TTL=54 ID=0 DF PROTO=UDP SPT=5252 DPT=5060 LEN=424

SmallBizIT.US 6 packets to udp(5060)

45.143.220.59 was recorded 10 times by 5 hosts attempting to connect to the following ports: 5060. Incident counter (4h, 24h, all-time): 10, 63, 653

firewall-block, port(s): 5060/udp

Jul 25 19:20:47 debian-2gb-nbg1-2 kernel: \[17956161.731244\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.143.220.116 DST=195.201.40.59 LEN=444 TOS=0x00 PREC=0x00 TTL=55 ID=0 DF PROTO=UDP SPT=5368 DPT=5060 LEN=424

Portscan or hack attempt detected by psad/fwsnort

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/190.42.182.2/ 
 
 US - 1H : (197)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : US 
 NAME ASN : ASN6147 
 
 IP : 190.42.182.2 
 
 CIDR : 190.42.180.0/22 
 
 PREFIX COUNT : 2296 
 
 UNIQUE IP COUNT : 1456128 
 
 
 ATTACKS DETECTED ASN6147 :  
  1H - 1 
  3H - 1 
  6H - 2 
 12H - 5 
 24H - 9 
 
 DateTime : 2019-10-27 04:54:13 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

<6 unauthorized SSH connections

Triggered by Fail2Ban at Ares web server

Oct 26 20:21:27 hpm sshd\[8253\]: Invalid user 123456 from 141.135.239.180
Oct 26 20:21:27 hpm sshd\[8253\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=d8d87efb4.access.telenet.be
Oct 26 20:21:29 hpm sshd\[8253\]: Failed password for invalid user 123456 from 141.135.239.180 port 38806 ssh2
Oct 26 20:25:44 hpm sshd\[8601\]: Invalid user user from 141.135.239.180
Oct 26 20:25:44 hpm sshd\[8601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=d8d87efb4.access.telenet.be

10/27/2019-05:51:12.041397 83.97.20.47 Protocol: 6 ET DROP Dshield Block Listed Source group 1

SSH bruteforce

$f2bV_matches

Oct 27 04:54:04 srv01 sshd[18613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.222.70.62  user=root
Oct 27 04:54:06 srv01 sshd[18613]: Failed password for root from 211.222.70.62 port 35938 ssh2
Oct 27 04:54:09 srv01 sshd[18613]: Failed password for root from 211.222.70.62 port 35938 ssh2
Oct 27 04:54:04 srv01 sshd[18613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.222.70.62  user=root
Oct 27 04:54:06 srv01 sshd[18613]: Failed password for root from 211.222.70.62 port 35938 ssh2
Oct 27 04:54:09 srv01 sshd[18613]: Failed password for root from 211.222.70.62 port 35938 ssh2
Oct 27 04:54:04 srv01 sshd[18613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.222.70.62  user=root
Oct 27 04:54:06 srv01 sshd[18613]: Failed password for root from 211.222.70.62 port 35938 ssh2
Oct 27 04:54:09 srv01 sshd[18613]: Failed password for root from 211.222.70.62 po
...

Oct 27 05:16:45 xeon sshd[28187]: Failed password for root from 106.13.135.156 port 57334 ssh2

Oct 27 07:01:37 root sshd[5358]: Failed password for root from 121.143.171.119 port 58176 ssh2
Oct 27 07:06:07 root sshd[5433]: Failed password for root from 121.143.171.119 port 38692 ssh2
Oct 27 07:10:36 root sshd[5524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.143.171.119 
...

Sent mail to target address hacked/leaked from abandonia in 2016

Oct 27 02:00:52 firewall sshd[29521]: Failed password for root from 61.19.22.162 port 46440 ssh2
Oct 27 02:05:38 firewall sshd[29682]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.19.22.162  user=root
Oct 27 02:05:40 firewall sshd[29682]: Failed password for root from 61.19.22.162 port 56282 ssh2
...

Oct 27 07:05:41 hcbbdb sshd\[18329\]: Invalid user black from 103.114.48.4
Oct 27 07:05:41 hcbbdb sshd\[18329\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.114.48.4
Oct 27 07:05:44 hcbbdb sshd\[18329\]: Failed password for invalid user black from 103.114.48.4 port 47543 ssh2
Oct 27 07:10:26 hcbbdb sshd\[18824\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.114.48.4  user=root
Oct 27 07:10:27 hcbbdb sshd\[18824\]: Failed password for root from 103.114.48.4 port 38623 ssh2

Oct 27 00:50:14 firewall sshd[26783]: Invalid user Losenord1qaz from 101.231.104.82
Oct 27 00:50:16 firewall sshd[26783]: Failed password for invalid user Losenord1qaz from 101.231.104.82 port 36922 ssh2
Oct 27 00:54:44 firewall sshd[27040]: Invalid user 123456 from 101.231.104.82
...