\[2019-09-19 15:45:47\] NOTICE\[7412\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.66:56276' \(callid: 1097752430-134272716-183698984\) - Failed to authenticate
\[2019-09-19 15:45:47\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-19T15:45:47.552+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1097752430-134272716-183698984",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.66/56276",Challenge="1568900747/f02b12da0ed75713387b509517facc7c",Response="ede0c971ba7a367dbbdbe1938976153d",ExpectedResponse=""
\[2019-09-19 15:45:47\] NOTICE\[1168\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.66:56276' \(callid: 1097752430-134272716-183698984\) - Failed to authenticate
\[2019-09-19 15:45:47\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFaile

MultiHost/MultiPort Probe, Scan, Hack -

\[2019-10-30 08:20:25\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:25.529-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1791001018647127882",SessionID="0x7fdf2cd1cd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/53735",ACLName="no_extension_match"
\[2019-10-30 08:20:34\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:34.162-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1799618647127882",SessionID="0x7fdf2c7144f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/50383",ACLName="no_extension_match"
\[2019-10-30 08:20:38\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:38.493-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011018647127882",SessionID="0x7fdf2c745a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/63554",ACLName="no_e

\[2019-10-30 04:03:15\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:15.855-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176390018647127882",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/60928",ACLName="no_extension_match"
\[2019-10-30 04:03:21\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:21.953-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176490018647127882",SessionID="0x7fdf2cd1cd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/65124",ACLName="no_extension_match"
\[2019-10-30 04:03:28\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:28.278-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176590018647127882",SessionID="0x7fdf2cae1298",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/52976",ACLNam

\[2019-10-29 04:16:59\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:16:59.656-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047187410018647127882",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/49584",ACLName="no_extension_match"
\[2019-10-29 04:17:05\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:17:05.790-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047185410018647127882",SessionID="0x7fdf2cccf908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/54083",ACLName="no_extension_match"
\[2019-10-29 04:17:11\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:17:11.997-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047184410018647127882",SessionID="0x7fdf2cc27d48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/6

\[2019-10-25 23:40:23\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:40:23.289-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="456456011972567202500",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/62040",ACLName="no_extension_match"
\[2019-10-25 23:43:00\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:43:00.183-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12332111972567202500",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/58745",ACLName="no_extension_match"
\[2019-10-25 23:45:25\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:45:25.814-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1235401972567202500",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/57279",ACL

\[2019-09-21 10:48:32\] NOTICE\[29653\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.81:50184' \(callid: 77174822-1309346008-1391373692\) - Failed to authenticate
\[2019-09-21 10:48:32\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-21T10:48:32.153+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="77174822-1309346008-1391373692",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.81/50184",Challenge="1569055712/c63deb322dea58b9ab7889fac6d36200",Response="531c392b7364222530ea16c7095ea3e1",ExpectedResponse=""
\[2019-09-21 10:48:32\] NOTICE\[7412\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.81:50184' \(callid: 77174822-1309346008-1391373692\) - Failed to authenticate
\[2019-09-21 10:48:32\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFail

\[2019-09-21 01:16:28\] NOTICE\[28964\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:49244' \(callid: 2052651319-1545488846-1323134879\) - Failed to authenticate
\[2019-09-21 01:16:28\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-21T01:16:28.360+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="2052651319-1545488846-1323134879",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/49244",Challenge="1569021388/9708fec912cef4c7b5e47e0b2dfaae77",Response="f947cf3fa3601096fcb913b07f17169a",ExpectedResponse=""
\[2019-09-21 01:16:28\] NOTICE\[14660\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:49244' \(callid: 2052651319-1545488846-1323134879\) - Failed to authenticate
\[2019-09-21 01:16:28\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeRespo

\[2019-09-20 10:02:01\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-20T10:02:01.804+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="565353943-1156003181-109101563",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/58719",Challenge="1568966521/440db8c71a99b7d968b84654a6f36c28",Response="d9166415d33a177bcf43fb07661d6770",ExpectedResponse=""
\[2019-09-20 10:02:01\] NOTICE\[9368\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFail

\[2019-09-19 12:44:16\] NOTICE\[24264\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58548' \(callid: 1747344148-452039810-1581798561\) - Failed to authenticate
\[2019-09-19 12:44:16\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-19T12:44:16.047+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1747344148-452039810-1581798561",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/58548",Challenge="1568889855/6202d82d009b5c04780cf2286bb46856",Response="3fdb5a388ffa152c3434fabad3d69387",ExpectedResponse=""
\[2019-09-19 12:44:16\] NOTICE\[9368\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58548' \(callid: 1747344148-452039810-1581798561\) - Failed to authenticate
\[2019-09-19 12:44:16\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseF

Jun  6 18:41:34 pve1 sshd[3231]: Failed password for root from 222.186.180.8 port 52114 ssh2
Jun  6 18:41:39 pve1 sshd[3231]: Failed password for root from 222.186.180.8 port 52114 ssh2
...

Jun  6 08:30:26 mx sshd[13090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.190.180.63
Jun  6 08:30:27 mx sshd[13090]: Failed password for invalid user admin from 113.190.180.63 port 37486 ssh2

Triggered: repeated knocking on closed ports.

(sshd) Failed SSH login from 37.187.113.144 (FR/France/dedi-max.ovh): 5 in the last 3600 secs

148.72.209.9 - - [06/Jun/2020:15:26:01 +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"
148.72.209.9 - - [06/Jun/2020:15:26:02 +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"
148.72.209.9 - - [06/Jun/2020:15:26:04 +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"

Jun  6 22:16:38 itv-usvr-01 sshd[8017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.91.13.216  user=root
Jun  6 22:16:40 itv-usvr-01 sshd[8017]: Failed password for root from 88.91.13.216 port 60962 ssh2

$f2bV_matches

Jun  7 01:04:27 web1 sshd[23132]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.214  user=root
Jun  7 01:04:29 web1 sshd[23132]: Failed password for root from 45.55.177.214 port 57887 ssh2
Jun  7 01:16:01 web1 sshd[25963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.214  user=root
Jun  7 01:16:02 web1 sshd[25963]: Failed password for root from 45.55.177.214 port 47414 ssh2
Jun  7 01:19:26 web1 sshd[26718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.214  user=root
Jun  7 01:19:28 web1 sshd[26718]: Failed password for root from 45.55.177.214 port 49103 ssh2
Jun  7 01:22:51 web1 sshd[27558]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.214  user=root
Jun  7 01:22:53 web1 sshd[27558]: Failed password for root from 45.55.177.214 port 50795 ssh2
Jun  7 01:26:19 web1 sshd[28429]: pa
...

$f2bV_matches

Jun  6 18:45:45 sso sshd[14841]: Failed password for root from 222.186.175.182 port 7184 ssh2
Jun  6 18:45:48 sso sshd[14841]: Failed password for root from 222.186.175.182 port 7184 ssh2
...

Jun  6 15:39:32 ns381471 sshd[31222]: Failed password for root from 106.13.232.67 port 51286 ssh2

SMB Server BruteForce Attack

 TCP (SYN) 185.153.199.52:42009 -> port 4004, len 44

firewall-block, port(s): 3004/tcp

Jun  6 18:18:39 ovpn sshd\[557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.107.68  user=root
Jun  6 18:18:41 ovpn sshd\[557\]: Failed password for root from 175.24.107.68 port 35202 ssh2
Jun  6 18:26:25 ovpn sshd\[2517\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.107.68  user=root
Jun  6 18:26:27 ovpn sshd\[2517\]: Failed password for root from 175.24.107.68 port 49652 ssh2
Jun  6 18:29:13 ovpn sshd\[3196\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.107.68  user=root