\[2019-12-10 02:22:58\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-10T02:22:58.581-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="901800048422069077",SessionID="0x7f0fb464acd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.47/55012",ACLName="no_extension_match"
\[2019-12-10 02:23:00\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-10T02:23:00.837-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0475301148422069041",SessionID="0x7f0fb4782868",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.47/52138",ACLName="no_extension_match"
\[2019-12-10 02:23:25\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-10T02:23:25.916-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="076901148422069076",SessionID="0x7f0fb458f7c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.47/55659",ACLName=

Bible

2020-10-13T06:44:21.356144news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
2020-10-13T06:44:25.395781news0 dovecot[21131]: pop3-login: Aborted login (auth failed, 1 attempts in 4 secs): user=, method=PLAIN, rip=37.49.230.238, lip=95.111.246.42, session=
2020-10-13T06:44:28.401407news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
...

2020-10-13T06:44:21.356144news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
2020-10-13T06:44:25.395781news0 dovecot[21131]: pop3-login: Aborted login (auth failed, 1 attempts in 4 secs): user=, method=PLAIN, rip=37.49.230.238, lip=95.111.246.42, session=
2020-10-13T06:44:28.401407news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
...

Dovecot Invalid User Login Attempt.

"AmooT";tag=3533393765393339313363340132313832313335333935

\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.624+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffea08d88",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="096f171f",ReceivedChallenge="096f171f",ReceivedHash="b099bdfad5869da4ae2114a56a2b4299"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.759+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffeab8148",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="233a417c",ReceivedChallenge="233a417c",ReceivedHash="0017581d14759d4b5ad3a404ed924131"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.783+0200",Severity="Error",Service="SIP",EventVersion="2",Accoun
...

\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.624+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffea08d88",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="096f171f",ReceivedChallenge="096f171f",ReceivedHash="b099bdfad5869da4ae2114a56a2b4299"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.759+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffeab8148",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="233a417c",ReceivedChallenge="233a417c",ReceivedHash="0017581d14759d4b5ad3a404ed924131"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.783+0200",Severity="Error",Service="SIP",EventVersion="2",Accoun
...

[N1.H1.VM1] Port Scanner Detected Blocked by UFW

SIP Server BruteForce Attack

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

Hellooo

Hellooo

Sep 28 15:49:19 : SSH login attempts with invalid user

Jun  2 12:22:14 debian-2gb-nbg1-2 kernel: \[13352101.934700\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=87.251.74.134 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=28501 PROTO=TCP SPT=58068 DPT=1907 WINDOW=1024 RES=0x00 SYN URGP=0

20/6/1@23:46:55: FAIL: Alarm-Network address from=41.71.121.98
20/6/1@23:46:55: FAIL: Alarm-Network address from=41.71.121.98
...

Jun  2 01:49:28 cumulus sshd[5374]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.186.109  user=r.r
Jun  2 01:49:30 cumulus sshd[5374]: Failed password for r.r from 180.76.186.109 port 36252 ssh2
Jun  2 01:49:30 cumulus sshd[5374]: Received disconnect from 180.76.186.109 port 36252:11: Bye Bye [preauth]
Jun  2 01:49:30 cumulus sshd[5374]: Disconnected from 180.76.186.109 port 36252 [preauth]
Jun  2 02:07:36 cumulus sshd[6981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.186.109  user=r.r
Jun  2 02:07:38 cumulus sshd[6981]: Failed password for r.r from 180.76.186.109 port 37607 ssh2
Jun  2 02:07:38 cumulus sshd[6981]: Received disconnect from 180.76.186.109 port 37607:11: Bye Bye [preauth]
Jun  2 02:07:38 cumulus sshd[6981]: Disconnected from 180.76.186.109 port 37607 [preauth]
Jun  2 02:11:38 cumulus sshd[7549]: pam_unix(sshd:auth): authentication failure; logname= uid=0 ........
-------------------------------

2020-06-02T04:51:23.3625791495-001 sshd[7037]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=lfbn-ncy-1-265-38.w83-196.abo.wanadoo.fr  user=root
2020-06-02T04:51:25.5795571495-001 sshd[7037]: Failed password for root from 83.196.105.38 port 60080 ssh2
2020-06-02T04:55:00.7587571495-001 sshd[7129]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=lfbn-ncy-1-265-38.w83-196.abo.wanadoo.fr  user=root
2020-06-02T04:55:02.7649761495-001 sshd[7129]: Failed password for root from 83.196.105.38 port 38186 ssh2
2020-06-02T04:58:40.7878531495-001 sshd[7231]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=lfbn-ncy-1-265-38.w83-196.abo.wanadoo.fr  user=root
2020-06-02T04:58:43.4438001495-001 sshd[7231]: Failed password for root from 83.196.105.38 port 44520 ssh2
...

Jun  2 06:51:21 server sshd[14098]: Failed password for root from 111.229.12.69 port 36690 ssh2
Jun  2 06:55:57 server sshd[18459]: Failed password for root from 111.229.12.69 port 60546 ssh2
Jun  2 07:00:36 server sshd[23382]: Failed password for root from 111.229.12.69 port 56172 ssh2

Jun  1 06:17:27 nbi-636 sshd[18333]: User r.r from 61.50.99.26 not allowed because not listed in AllowUsers
Jun  1 06:17:27 nbi-636 sshd[18333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.50.99.26  user=r.r
Jun  1 06:17:29 nbi-636 sshd[18333]: Failed password for invalid user r.r from 61.50.99.26 port 2267 ssh2
Jun  1 06:17:31 nbi-636 sshd[18333]: Received disconnect from 61.50.99.26 port 2267:11: Bye Bye [preauth]
Jun  1 06:17:31 nbi-636 sshd[18333]: Disconnected from invalid user r.r 61.50.99.26 port 2267 [preauth]
Jun  1 06:32:50 nbi-636 sshd[22823]: User r.r from 61.50.99.26 not allowed because not listed in AllowUsers
Jun  1 06:32:50 nbi-636 sshd[22823]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.50.99.26  user=r.r
Jun  1 06:32:52 nbi-636 sshd[22823]: Failed password for invalid user r.r from 61.50.99.26 port 61982 ssh2
Jun  1 06:32:52 nbi-636 sshd[22823]: Received disco........
-------------------------------

 TCP (SYN) 77.40.50.22:58186 -> port 23, len 44

Jun  2 07:00:16 journals sshd\[23940\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.128.175.6  user=root
Jun  2 07:00:19 journals sshd\[23940\]: Failed password for root from 190.128.175.6 port 52276 ssh2
Jun  2 07:04:47 journals sshd\[24366\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.128.175.6  user=root
Jun  2 07:04:49 journals sshd\[24366\]: Failed password for root from 190.128.175.6 port 27052 ssh2
Jun  2 07:09:19 journals sshd\[24785\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.128.175.6  user=root
...

Unauthorized connection attempt from IP address 14.243.51.255 on Port 445(SMB)

2020-06-01 UTC: (26x) - root(26x)

Jun  2 10:31:50 *** sshd[17032]: Did not receive identification string from 85.209.0.100

web-1 [ssh_2] SSH Attack

May 31 22:46:06 cumulus sshd[17512]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.145.163  user=r.r
May 31 22:46:08 cumulus sshd[17512]: Failed password for r.r from 138.197.145.163 port 43564 ssh2
May 31 22:46:08 cumulus sshd[17512]: Received disconnect from 138.197.145.163 port 43564:11: Bye Bye [preauth]
May 31 22:46:08 cumulus sshd[17512]: Disconnected from 138.197.145.163 port 43564 [preauth]
May 31 22:57:00 cumulus sshd[18577]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.145.163  user=r.r
May 31 22:57:03 cumulus sshd[18577]: Failed password for r.r from 138.197.145.163 port 44404 ssh2
May 31 22:57:03 cumulus sshd[18577]: Received disconnect from 138.197.145.163 port 44404:11: Bye Bye [preauth]
May 31 22:57:03 cumulus sshd[18577]: Disconnected from 138.197.145.163 port 44404 [preauth]
May 31 23:00:33 cumulus sshd[18940]: pam_unix(sshd:auth): authentication failure........
-------------------------------

Jun  2 11:35:25 PorscheCustomer sshd[21030]: Failed password for root from 51.75.123.107 port 47336 ssh2
Jun  2 11:38:52 PorscheCustomer sshd[21147]: Failed password for root from 51.75.123.107 port 55782 ssh2
...

2020-06-02 21:59:28 fixed_login authenticator failed for (User) [87.246.7.74]: 535 Incorrect authentication data (set_id=cc@net.nz)
2020-06-02 22:02:36 fixed_login authenticator failed for (User) [87.246.7.74]: 535 Incorrect authentication data (set_id=av@net.nz)
2020-06-02 22:05:44 fixed_login authenticator failed for (User) [87.246.7.74]: 535 Incorrect authentication data (set_id=amp@net.nz)
...