Dec 20 16:06:17 localhost sshd[32594]: Failed password for invalid user ftpuser from 51.75.146.122 port 49202 ssh2
Dec 20 16:13:42 localhost sshd[32996]: Failed password for invalid user guest from 51.75.146.122 port 55970 ssh2
Dec 20 16:18:37 localhost sshd[33181]: Failed password for invalid user sirianne from 51.75.146.122 port 36220 ssh2

Nov  7 08:11:11 SilenceServices sshd[11144]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Nov  7 08:11:13 SilenceServices sshd[11144]: Failed password for invalid user ckutp from 51.75.146.122 port 48336 ssh2
Nov  7 08:19:07 SilenceServices sshd[13489]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122

Sep 21 19:46:23 ny01 sshd[22355]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Sep 21 19:46:25 ny01 sshd[22355]: Failed password for invalid user duchon from 51.75.146.122 port 58502 ssh2
Sep 21 19:50:16 ny01 sshd[23055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122

Sep 15 08:52:01 saschabauer sshd[28848]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Sep 15 08:52:03 saschabauer sshd[28848]: Failed password for invalid user admin from 51.75.146.122 port 54290 ssh2

Sep 10 03:44:11 SilenceServices sshd[2701]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Sep 10 03:44:13 SilenceServices sshd[2701]: Failed password for invalid user guest from 51.75.146.122 port 48188 ssh2
Sep 10 03:49:26 SilenceServices sshd[7084]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122

Aug 31 19:39:50 vps200512 sshd\[5624\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122  user=root
Aug 31 19:39:51 vps200512 sshd\[5624\]: Failed password for root from 51.75.146.122 port 32986 ssh2
Aug 31 19:43:30 vps200512 sshd\[5746\]: Invalid user victoire from 51.75.146.122
Aug 31 19:43:30 vps200512 sshd\[5746\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Aug 31 19:43:32 vps200512 sshd\[5746\]: Failed password for invalid user victoire from 51.75.146.122 port 47658 ssh2

Aug 27 15:57:14 SilenceServices sshd[32234]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Aug 27 15:57:16 SilenceServices sshd[32234]: Failed password for invalid user test from 51.75.146.122 port 41868 ssh2
Aug 27 16:01:28 SilenceServices sshd[1460]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122

Invalid user manager from 51.75.146.122 port 54162

SSH authentication failure x 6 reported by Fail2Ban
...

Aug 12 08:12:13 aat-srv002 sshd[9458]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Aug 12 08:12:14 aat-srv002 sshd[9458]: Failed password for invalid user account from 51.75.146.122 port 54118 ssh2
Aug 12 08:16:25 aat-srv002 sshd[9616]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Aug 12 08:16:26 aat-srv002 sshd[9616]: Failed password for invalid user slb from 51.75.146.122 port 39018 ssh2
...

Aug 11 15:22:33 OPSO sshd\[28981\]: Invalid user sql from 51.75.146.122 port 46964
Aug 11 15:22:33 OPSO sshd\[28981\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Aug 11 15:22:35 OPSO sshd\[28981\]: Failed password for invalid user sql from 51.75.146.122 port 46964 ssh2
Aug 11 15:26:45 OPSO sshd\[29734\]: Invalid user max from 51.75.146.122 port 42266
Aug 11 15:26:45 OPSO sshd\[29734\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122

Aug 11 07:19:56 SilenceServices sshd[5256]: Failed password for root from 51.75.146.122 port 52086 ssh2
Aug 11 07:24:49 SilenceServices sshd[8702]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Aug 11 07:24:51 SilenceServices sshd[8702]: Failed password for invalid user teamspeak from 51.75.146.122 port 47436 ssh2

Aug  7 14:08:04 MK-Soft-VM4 sshd\[24453\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122  user=root
Aug  7 14:08:06 MK-Soft-VM4 sshd\[24453\]: Failed password for root from 51.75.146.122 port 59476 ssh2
Aug  7 14:14:06 MK-Soft-VM4 sshd\[27926\]: Invalid user mickey from 51.75.146.122 port 36456
...

2019-08-02T00:01:06.611085abusebot.cloudsearch.cf sshd\[22625\]: Invalid user pc from 51.75.146.122 port 56598
2019-08-02T00:01:06.616096abusebot.cloudsearch.cf sshd\[22625\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3133388.ip-51-75-146.eu

Aug  1 20:58:01 root sshd[11978]: Failed password for root from 51.75.146.122 port 33082 ssh2
Aug  1 21:02:16 root sshd[12007]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122 
Aug  1 21:02:18 root sshd[12007]: Failed password for invalid user mark from 51.75.146.122 port 43774 ssh2
...

Jul  9 16:54:44 mail sshd\[25409\]: Invalid user admin from 51.75.146.122 port 51392
Jul  9 16:54:44 mail sshd\[25409\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122
Jul  9 16:54:47 mail sshd\[25409\]: Failed password for invalid user admin from 51.75.146.122 port 51392 ssh2
Jul  9 16:56:20 mail sshd\[25651\]: Invalid user dy from 51.75.146.122 port 40324
Jul  9 16:56:20 mail sshd\[25651\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.122

Port scanning [2 denied]

\[Jun 12 22:07:24\] NOTICE\[2019\] chan_sip.c: Registration from '"110" \' failed for '51.75.146.114:6445' - Wrong password
\[Jun 12 22:07:24\] NOTICE\[2019\] chan_sip.c: Registration from '"110" \' failed for '51.75.146.114:6445' - Wrong password
\[Jun 12 22:07:24\] NOTICE\[2019\] chan_sip.c: Registration from '"110" \' failed for '51.75.146.114:6445' - Wrong password
\[Jun 12 22:07:24\] NOTICE\[2019\] chan_sip.c: Registration from '"110" \' failed for '51.75.146.114:6445' - Wrong password
\[Jun 12 22:07:24\] NOTICE\[2019\] chan_sip.c: Registration from '"110" \' failed for '51.75.146.114:6445' - Wrong password
\[Jun 12 22:07:24\] NOTICE\[2019\] chan_sip.c: Registration from '"110" \' failed for '51.75.146.114:6445' - Wrong password
\[Jun 12 22:07:24\] NOTICE\[2019\] chan_sip.c: Registration from '"110" \

VoIP Brute Force - 51.75.146.114 - Auto Report
...

Trying ports that it shouldn't be.

Automatic report - Port Scan Attack

MultiHost/MultiPort Probe, Scan, Hack -

Nov  3 15:49:19 markkoudstaal sshd[13263]: Failed password for root from 51.75.146.38 port 58880 ssh2
Nov  3 15:53:01 markkoudstaal sshd[13631]: Failed password for root from 51.75.146.38 port 45988 ssh2

2019-10-20T11:52:17.276005ns525875 sshd\[29179\]: Invalid user yyyy from 51.75.146.177 port 44962
2019-10-20T11:52:17.282434ns525875 sshd\[29179\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3133740.ip-51-75-146.eu
2019-10-20T11:52:19.732018ns525875 sshd\[29179\]: Failed password for invalid user yyyy from 51.75.146.177 port 44962 ssh2
2019-10-20T11:56:00.043187ns525875 sshd\[1167\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3133740.ip-51-75-146.eu  user=root
2019-10-20T11:56:01.839620ns525875 sshd\[1167\]: Failed password for root from 51.75.146.177 port 57918 ssh2
2019-10-20T11:59:44.756991ns525875 sshd\[5805\]: Invalid user odroid from 51.75.146.177 port 43230
2019-10-20T11:59:44.758806ns525875 sshd\[5805\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3133740.ip-51-75-146.eu
2019-10-20T11:59:45.972744ns525875 sshd\[5805\]: Failed passw
...

Oct 22 06:51:21 * sshd[31347]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.177
Oct 22 06:51:24 * sshd[31347]: Failed password for invalid user gerald from 51.75.146.177 port 41514 ssh2

Oct 21 02:51:22 php1 sshd\[29405\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.177  user=root
Oct 21 02:51:25 php1 sshd\[29405\]: Failed password for root from 51.75.146.177 port 58022 ssh2
Oct 21 02:55:36 php1 sshd\[29735\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.146.177  user=root
Oct 21 02:55:37 php1 sshd\[29735\]: Failed password for root from 51.75.146.177 port 37834 ssh2
Oct 21 02:59:50 php1 sshd\[30072\]: Invalid user oracle from 51.75.146.177

185.224.138.182 - - [22/Oct/2019:07:50:56 -0400] "GET /?page=products&action=list&linkID=8161999999.1%20union%20select%20unhex(hex(version()))%20--%20and%201%3D1 HTTP/1.1" 200 58800 "-" "-"
...

DATE:2019-10-22 13:51:13, IP:27.72.89.14, PORT:1433 - MSSQL brute force auth on a honeypot server (epe-dc)

Oct 22 12:53:09 sshgateway sshd\[31404\]: Invalid user ftpuser from 110.164.205.133
Oct 22 12:53:09 sshgateway sshd\[31404\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.164.205.133
Oct 22 12:53:11 sshgateway sshd\[31404\]: Failed password for invalid user ftpuser from 110.164.205.133 port 34697 ssh2

Oct 22 15:47:34 vps01 sshd[29788]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.83.50
Oct 22 15:47:36 vps01 sshd[29788]: Failed password for invalid user pinna from 62.234.83.50 port 40554 ssh2

118.89.36.125 - - [18/Oct/2019:01:23:12 -0700] "GET /index.php?s=index/\\think\\app/invokefunction&function=call_user_func_array&vars[0]=phpinfo&vars[1][]=1

Oct 22 09:07:59 ny01 sshd[7533]: Failed password for root from 54.39.191.188 port 47514 ssh2
Oct 22 09:12:09 ny01 sshd[7898]: Failed password for root from 54.39.191.188 port 59248 ssh2

Fail2Ban Ban Triggered

Oct 22 17:20:58 areeb-Workstation sshd[13253]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.242.171
Oct 22 17:21:00 areeb-Workstation sshd[13253]: Failed password for invalid user rechnerplatine from 180.76.242.171 port 55406 ssh2
...

WordPress login Brute force / Web App Attack on client site.

Automatic report - XMLRPC Attack

Portscan or hack attempt detected by psad/fwsnort

(sshd) Failed SSH login from 178.128.92.138 (SG/Singapore/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 22 13:46:27 server2 sshd[9876]: Invalid user qy from 178.128.92.138 port 56596
Oct 22 13:46:29 server2 sshd[9876]: Failed password for invalid user qy from 178.128.92.138 port 56596 ssh2
Oct 22 13:52:03 server2 sshd[9990]: Invalid user pas from 178.128.92.138 port 46424
Oct 22 13:52:04 server2 sshd[9990]: Failed password for invalid user pas from 178.128.92.138 port 46424 ssh2
Oct 22 13:58:18 server2 sshd[10150]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.92.138  user=root

Attempt to attack host OS, exploiting network vulnerabilities, on 22-10-2019 13:00:26.

Oct 22 15:03:35 microserver sshd[11600]: Invalid user lpadm from 1.9.46.177 port 40503
Oct 22 15:03:35 microserver sshd[11600]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.9.46.177
Oct 22 15:03:37 microserver sshd[11600]: Failed password for invalid user lpadm from 1.9.46.177 port 40503 ssh2
Oct 22 15:07:46 microserver sshd[12235]: Invalid user rockdrillftp from 1.9.46.177 port 59862
Oct 22 15:07:46 microserver sshd[12235]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.9.46.177
Oct 22 15:20:08 microserver sshd[13936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.9.46.177  user=root
Oct 22 15:20:10 microserver sshd[13936]: Failed password for root from 1.9.46.177 port 33212 ssh2
Oct 22 15:24:28 microserver sshd[14380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.9.46.177  user=root
Oct 22 15:24:30 microserver sshd[14380]: Failed pas

2019-10-22T14:59:10.058594lon01.zurich-datacenter.net sshd\[14678\]: Invalid user admin from 192.99.12.24 port 37386
2019-10-22T14:59:10.065399lon01.zurich-datacenter.net sshd\[14678\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns506807.ip-192-99-12.net
2019-10-22T14:59:12.061720lon01.zurich-datacenter.net sshd\[14678\]: Failed password for invalid user admin from 192.99.12.24 port 37386 ssh2
2019-10-22T15:03:41.691489lon01.zurich-datacenter.net sshd\[14782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns506807.ip-192-99-12.net  user=root
2019-10-22T15:03:44.229588lon01.zurich-datacenter.net sshd\[14782\]: Failed password for root from 192.99.12.24 port 56980 ssh2
...