SSH Invalid Login

2020-08-13T07:13:09.107828vps751288.ovh.net sshd\[17030\]: Invalid user fake from 37.49.230.130 port 50028
2020-08-13T07:13:09.115761vps751288.ovh.net sshd\[17030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.230.130
2020-08-13T07:13:11.248192vps751288.ovh.net sshd\[17030\]: Failed password for invalid user fake from 37.49.230.130 port 50028 ssh2
2020-08-13T07:13:11.574261vps751288.ovh.net sshd\[17032\]: Invalid user admin from 37.49.230.130 port 52874
2020-08-13T07:13:11.582398vps751288.ovh.net sshd\[17032\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.230.130

port scan and connect, tcp 22 (ssh)

firewall-block, port(s): 22/tcp

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

Port 5672 scan denied

2020-03-26T10:26:46.129644ionos.janbro.de sshd[123181]: Invalid user qj from 140.143.204.209 port 60516
2020-03-26T10:26:48.825971ionos.janbro.de sshd[123181]: Failed password for invalid user qj from 140.143.204.209 port 60516 ssh2
2020-03-26T10:29:11.085748ionos.janbro.de sshd[123209]: Invalid user buz from 140.143.204.209 port 60388
2020-03-26T10:29:11.310491ionos.janbro.de sshd[123209]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.204.209
2020-03-26T10:29:11.085748ionos.janbro.de sshd[123209]: Invalid user buz from 140.143.204.209 port 60388
2020-03-26T10:29:14.145446ionos.janbro.de sshd[123209]: Failed password for invalid user buz from 140.143.204.209 port 60388 ssh2
2020-03-26T10:31:29.501245ionos.janbro.de sshd[123227]: Invalid user ailsa from 140.143.204.209 port 60256
2020-03-26T10:31:29.748138ionos.janbro.de sshd[123227]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.204.209

...

Mar 26 10:28:31 eventyay sshd[4800]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.253.67
Mar 26 10:28:33 eventyay sshd[4800]: Failed password for invalid user margreit from 162.243.253.67 port 44599 ssh2
Mar 26 10:34:51 eventyay sshd[4913]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.253.67
...

Mar 26 09:38:11 XXX sshd[24947]: Invalid user magda from 107.170.244.110 port 56632

Autoban   171.103.56.118 AUTH/CONNECT

(sshd) Failed SSH login from 167.114.4.204 (PL/Poland/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 26 10:50:42 ubnt-55d23 sshd[13872]: Invalid user test from 167.114.4.204 port 45726
Mar 26 10:50:44 ubnt-55d23 sshd[13872]: Failed password for invalid user test from 167.114.4.204 port 45726 ssh2

Mar 26 10:16:44 ns392434 sshd[18850]: Invalid user admin from 167.114.185.237 port 59776
Mar 26 10:16:44 ns392434 sshd[18850]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.185.237
Mar 26 10:16:44 ns392434 sshd[18850]: Invalid user admin from 167.114.185.237 port 59776
Mar 26 10:16:46 ns392434 sshd[18850]: Failed password for invalid user admin from 167.114.185.237 port 59776 ssh2
Mar 26 10:21:58 ns392434 sshd[19047]: Invalid user ibpliups from 167.114.185.237 port 53904
Mar 26 10:21:58 ns392434 sshd[19047]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.185.237
Mar 26 10:21:58 ns392434 sshd[19047]: Invalid user ibpliups from 167.114.185.237 port 53904
Mar 26 10:22:00 ns392434 sshd[19047]: Failed password for invalid user ibpliups from 167.114.185.237 port 53904 ssh2
Mar 26 10:26:14 ns392434 sshd[19195]: Invalid user ch2 from 167.114.185.237 port 39380

fail2ban

RDPBruteGSL24

Mar 26 11:54:45 tuxlinux sshd[49293]: Invalid user tty from 209.141.41.96 port 42942
Mar 26 11:54:45 tuxlinux sshd[49293]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.141.41.96 
Mar 26 11:54:45 tuxlinux sshd[49293]: Invalid user tty from 209.141.41.96 port 42942
Mar 26 11:54:45 tuxlinux sshd[49293]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.141.41.96 
Mar 26 11:54:45 tuxlinux sshd[49293]: Invalid user tty from 209.141.41.96 port 42942
Mar 26 11:54:45 tuxlinux sshd[49293]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.141.41.96 
Mar 26 11:54:48 tuxlinux sshd[49293]: Failed password for invalid user tty from 209.141.41.96 port 42942 ssh2
...

Mar 26 11:29:11 haigwepa sshd[23130]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.216.81.153 
Mar 26 11:29:14 haigwepa sshd[23130]: Failed password for invalid user abeni from 89.216.81.153 port 58524 ssh2
...

firewall-block, port(s): 80/tcp

Mar 26 04:50:10 debian-2gb-nbg1-2 kernel: \[7453687.622602\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=218.154.139.20 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=48 ID=54777 PROTO=TCP SPT=32568 DPT=23 WINDOW=24936 RES=0x00 SYN URGP=0

Mar 26 12:03:53 lukav-desktop sshd\[14483\]: Invalid user kass from 139.59.161.78
Mar 26 12:03:53 lukav-desktop sshd\[14483\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.161.78
Mar 26 12:03:55 lukav-desktop sshd\[14483\]: Failed password for invalid user kass from 139.59.161.78 port 44269 ssh2
Mar 26 12:07:13 lukav-desktop sshd\[24524\]: Invalid user deploy from 139.59.161.78
Mar 26 12:07:13 lukav-desktop sshd\[24524\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.161.78

SpamScore above: 10.0