Apr 10 02:17:59 markkoudstaal sshd[20365]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
Apr 10 02:18:01 markkoudstaal sshd[20365]: Failed password for invalid user nvp from 76.73.206.90 port 19527 ssh2
Apr 10 02:26:40 markkoudstaal sshd[21558]: Failed password for root from 76.73.206.90 port 42159 ssh2

Mar 30 05:38:20 hcbbdb sshd\[25805\]: Invalid user duane from 76.73.206.90
Mar 30 05:38:20 hcbbdb sshd\[25805\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
Mar 30 05:38:22 hcbbdb sshd\[25805\]: Failed password for invalid user duane from 76.73.206.90 port 52730 ssh2
Mar 30 05:42:40 hcbbdb sshd\[26293\]: Invalid user xff from 76.73.206.90
Mar 30 05:42:40 hcbbdb sshd\[26293\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90

SSH Brute-Forcing (server1)

" "

$f2bV_matches

Feb 12 23:20:03 firewall sshd[14311]: Invalid user salt from 76.73.206.90
Feb 12 23:20:04 firewall sshd[14311]: Failed password for invalid user salt from 76.73.206.90 port 44780 ssh2
Feb 12 23:22:16 firewall sshd[14374]: Invalid user faridah from 76.73.206.90
...

Unauthorized connection attempt detected from IP address 76.73.206.90 to port 2220 [J]

Jan 12 01:07:40 sso sshd[24552]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
Jan 12 01:07:42 sso sshd[24552]: Failed password for invalid user spoj0 from 76.73.206.90 port 51075 ssh2
...

Automatic report - Banned IP Access

SSH Bruteforce attempt

$f2bV_matches

Dec 23 16:58:31 dedicated sshd[4264]: Invalid user pietrowski from 76.73.206.90 port 16215

Dec 19 13:31:32 web1 sshd\[14488\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=root
Dec 19 13:31:34 web1 sshd\[14488\]: Failed password for root from 76.73.206.90 port 36389 ssh2
Dec 19 13:36:48 web1 sshd\[15098\]: Invalid user perron from 76.73.206.90
Dec 19 13:36:48 web1 sshd\[15098\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
Dec 19 13:36:50 web1 sshd\[15098\]: Failed password for invalid user perron from 76.73.206.90 port 49387 ssh2

Dec 14 16:35:15 vps691689 sshd[2129]: Failed password for root from 76.73.206.90 port 53277 ssh2
Dec 14 16:42:52 vps691689 sshd[2353]: Failed password for root from 76.73.206.90 port 51403 ssh2
...

$f2bV_matches

5x Failed Password

Nov 20 17:46:05 hosting sshd[27150]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=root
Nov 20 17:46:07 hosting sshd[27150]: Failed password for root from 76.73.206.90 port 40314 ssh2
...

Invalid user http from 76.73.206.90 port 26589

2019-11-19T18:05:15.8622531495-001 sshd\[20838\]: Invalid user hillary from 76.73.206.90 port 64196
2019-11-19T18:05:15.8712611495-001 sshd\[20838\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
2019-11-19T18:05:17.8378681495-001 sshd\[20838\]: Failed password for invalid user hillary from 76.73.206.90 port 64196 ssh2
2019-11-19T18:09:14.4028231495-001 sshd\[20981\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=daemon
2019-11-19T18:09:16.8459541495-001 sshd\[20981\]: Failed password for daemon from 76.73.206.90 port 44614 ssh2
2019-11-19T18:13:07.9484151495-001 sshd\[21099\]: Invalid user zenenko from 76.73.206.90 port 5204
2019-11-19T18:13:07.9517991495-001 sshd\[21099\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
...

Nov 18 16:39:38 lnxded63 sshd[21419]: Failed password for root from 76.73.206.90 port 60471 ssh2
Nov 18 16:39:38 lnxded63 sshd[21419]: Failed password for root from 76.73.206.90 port 60471 ssh2

SSH Brute Force

Nov 10 13:09:41 [munged] sshd[31513]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90

2019-11-10T05:54:14.005998abusebot-7.cloudsearch.cf sshd\[10676\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=root

Automatic report - Banned IP Access

Nov  1 18:42:58 server sshd\[19404\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=root
Nov  1 18:43:01 server sshd\[19404\]: Failed password for root from 76.73.206.90 port 61002 ssh2
Nov  1 19:00:02 server sshd\[22820\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=root
Nov  1 19:00:04 server sshd\[22820\]: Failed password for root from 76.73.206.90 port 61678 ssh2
Nov  1 19:04:03 server sshd\[23771\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=root
...

Oct 29 18:43:21 auw2 sshd\[4602\]: Invalid user temp from 76.73.206.90
Oct 29 18:43:21 auw2 sshd\[4602\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
Oct 29 18:43:23 auw2 sshd\[4602\]: Failed password for invalid user temp from 76.73.206.90 port 3301 ssh2
Oct 29 18:47:25 auw2 sshd\[4921\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90  user=root
Oct 29 18:47:27 auw2 sshd\[4921\]: Failed password for root from 76.73.206.90 port 35492 ssh2

web-1 [ssh] SSH Attack

2019-10-21T04:55:21.304355shield sshd\[29499\]: Invalid user newpass from 76.73.206.90 port 18260
2019-10-21T04:55:21.310104shield sshd\[29499\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90
2019-10-21T04:55:22.909326shield sshd\[29499\]: Failed password for invalid user newpass from 76.73.206.90 port 18260 ssh2
2019-10-21T04:59:24.272685shield sshd\[30029\]: Invalid user changeme from 76.73.206.90 port 60112
2019-10-21T04:59:24.278283shield sshd\[30029\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.90

2019-10-16T03:20:09.131539abusebot-2.cloudsearch.cf sshd\[8595\]: Invalid user ailina from 76.73.206.90 port 22068

'Fail2Ban'

2019-09-23T22:03:07.308181suse-nuc sshd[23809]: Invalid user michael from 76.73.206.93 port 58048
...

Nov 25 21:53:51 sachi sshd\[13366\]: Invalid user mathematics from 76.73.206.93
Nov 25 21:53:51 sachi sshd\[13366\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Nov 25 21:53:53 sachi sshd\[13366\]: Failed password for invalid user mathematics from 76.73.206.93 port 52118 ssh2
Nov 25 22:00:29 sachi sshd\[13924\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93  user=uucp
Nov 25 22:00:31 sachi sshd\[13924\]: Failed password for uucp from 76.73.206.93 port 22587 ssh2

Nov 20 01:29:14 mail sshd\[27438\]: Invalid user ali from 76.73.206.93
Nov 20 01:29:14 mail sshd\[27438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
...

SSH Brute Force, server-1 sshd[1989]: Failed password for uucp from 76.73.206.93 port 34108 ssh2

Nov 10 08:32:17 vps691689 sshd[15849]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Nov 10 08:32:20 vps691689 sshd[15849]: Failed password for invalid user JEAdmi from 76.73.206.93 port 39915 ssh2
Nov 10 08:36:38 vps691689 sshd[15888]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
...

Nov 10 06:21:12 vps691689 sshd[13741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Nov 10 06:21:15 vps691689 sshd[13741]: Failed password for invalid user simulation from 76.73.206.93 port 6511 ssh2
...

Automatic report - Banned IP Access

Oct 13 09:06:49 jane sshd[2160]: Failed password for root from 76.73.206.93 port 21870 ssh2
...

Oct 12 05:07:23 hanapaa sshd\[16103\]: Invalid user 1qaz2wsx3edc from 76.73.206.93
Oct 12 05:07:23 hanapaa sshd\[16103\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Oct 12 05:07:25 hanapaa sshd\[16103\]: Failed password for invalid user 1qaz2wsx3edc from 76.73.206.93 port 21780 ssh2
Oct 12 05:11:57 hanapaa sshd\[16603\]: Invalid user 1qaz2wsx3edc from 76.73.206.93
Oct 12 05:11:58 hanapaa sshd\[16603\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93

Sep 28 19:00:20 xtremcommunity sshd\[14206\]: Invalid user db2fenc1 from 76.73.206.93 port 4856
Sep 28 19:00:20 xtremcommunity sshd\[14206\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Sep 28 19:00:22 xtremcommunity sshd\[14206\]: Failed password for invalid user db2fenc1 from 76.73.206.93 port 4856 ssh2
Sep 28 19:04:44 xtremcommunity sshd\[14365\]: Invalid user sdjiiptv from 76.73.206.93 port 55121
Sep 28 19:04:44 xtremcommunity sshd\[14365\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
...

Sep 27 17:51:48 lcprod sshd\[1408\]: Invalid user thaiset from 76.73.206.93
Sep 27 17:51:48 lcprod sshd\[1408\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Sep 27 17:51:50 lcprod sshd\[1408\]: Failed password for invalid user thaiset from 76.73.206.93 port 15862 ssh2
Sep 27 17:56:17 lcprod sshd\[1869\]: Invalid user ronjones from 76.73.206.93
Sep 27 17:56:17 lcprod sshd\[1869\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93

2019-09-21T16:53:23.982241abusebot-5.cloudsearch.cf sshd\[21829\]: Invalid user zai from 76.73.206.93 port 16583

Sep 17 02:03:24 mail sshd\[27735\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Sep 17 02:03:26 mail sshd\[27735\]: Failed password for invalid user guest from 76.73.206.93 port 52104 ssh2
Sep 17 02:08:06 mail sshd\[28634\]: Invalid user admin from 76.73.206.93 port 51919
Sep 17 02:08:06 mail sshd\[28634\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Sep 17 02:08:07 mail sshd\[28634\]: Failed password for invalid user admin from 76.73.206.93 port 51919 ssh2

Sep 12 23:16:39 MainVPS sshd[17853]: Invalid user ftp_user from 76.73.206.93 port 1802
Sep 12 23:16:39 MainVPS sshd[17853]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.73.206.93
Sep 12 23:16:39 MainVPS sshd[17853]: Invalid user ftp_user from 76.73.206.93 port 1802
Sep 12 23:16:41 MainVPS sshd[17853]: Failed password for invalid user ftp_user from 76.73.206.93 port 1802 ssh2
Sep 12 23:21:12 MainVPS sshd[18179]: Invalid user tester from 76.73.206.93 port 29002
...

Feb 29 13:14:50 MK-Soft-VM6 sshd[12276]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=70.37.49.155 
Feb 29 13:14:52 MK-Soft-VM6 sshd[12276]: Failed password for invalid user hero from 70.37.49.155 port 45928 ssh2
...

MultiHost/MultiPort Probe, Scan, Hack -

1582954660 - 02/29/2020 06:37:40 Host: 36.79.248.156/36.79.248.156 Port: 445 TCP Blocked

Feb 29 13:35:11 ns381471 sshd[1556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.227.113
Feb 29 13:35:13 ns381471 sshd[1556]: Failed password for invalid user ubuntu from 167.114.227.113 port 46312 ssh2

2019-12-07T05:38:02.473Z CLOSE host=218.92.0.195 port=36098 fd=4 time=20.014 bytes=17
...

[2020-02-29 06:28:38] NOTICE[1148][C-0000d032] chan_sip.c: Call from '' (62.210.149.30:54506) to extension '807197293740196' rejected because extension not found in context 'public'.
[2020-02-29 06:28:38] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-02-29T06:28:38.557-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="807197293740196",SessionID="0x7fd82ce0e5f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.149.30/54506",ACLName="no_extension_match"
[2020-02-29 06:28:57] NOTICE[1148][C-0000d033] chan_sip.c: Call from '' (62.210.149.30:51251) to extension '424097293740196' rejected because extension not found in context 'public'.
[2020-02-29 06:28:57] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-02-29T06:28:57.555-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="424097293740196",SessionID="0x7fd82c4d9f48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/
...

Unauthorized IMAP connection attempt

Port probing on unauthorized port 23

(imapd) Failed IMAP login from 117.102.108.178 (ID/Indonesia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Feb 29 09:07:46 ir1 dovecot[4133960]: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=117.102.108.178, lip=5.63.12.44, TLS: Connection closed, session=<3lB9WrCfxY11Zmyy>

Invalid user admin from 58.250.79.7 port 2684

Feb 29 13:47:24  sshd\[18485\]: Invalid user tmp from 210.212.203.67Feb 29 13:47:25  sshd\[18485\]: Failed password for invalid user tmp from 210.212.203.67 port 43820 ssh2
...

Feb 29 15:41:51 server sshd\[16594\]: Invalid user mailtest from 178.62.248.130
Feb 29 15:41:51 server sshd\[16594\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.248.130 
Feb 29 15:41:54 server sshd\[16594\]: Failed password for invalid user mailtest from 178.62.248.130 port 43768 ssh2
Feb 29 15:57:20 server sshd\[19424\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.248.130  user=root
Feb 29 15:57:22 server sshd\[19424\]: Failed password for root from 178.62.248.130 port 57820 ssh2
...

MultiHost/MultiPort Probe, Scan, Hack -

Feb 28 21:37:58 mockhub sshd[7157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.65.174
Feb 28 21:38:00 mockhub sshd[7157]: Failed password for invalid user michael from 51.68.65.174 port 36922 ssh2
...

Feb 29 13:29:38 webhost01 sshd[14778]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.142.148
Feb 29 13:29:41 webhost01 sshd[14778]: Failed password for invalid user discordbot from 128.199.142.148 port 37676 ssh2
...