May  2 05:56:59 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=2a02:1812:1e01:1400:9519:8ca5:e565:3051, lip=2a01:7e01:e001:164::, TLS, session=
May  2 05:57:06 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=2a02:1812:1e01:1400:9519:8ca5:e565:3051, lip=2a01:7e01:e001:164::, TLS, session=
May  2 05:57:06 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=2a02:1812:1e01:1400:9519:8ca5:e565:3051, lip=2a01:7e01:e001:164::, TLS, session=
May  2 05:57:14 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=2a02:1812:1e01:1400:9519:8ca5:e565:3051, lip=2a01:7e01:e001:164::, TLS, session=
May 
...

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

$f2bV_matches_ltvn

WordPress wp-login brute force :: 195.154.157.16 0.132 BYPASS [02/Oct/2019:02:47:01  1000] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Sep 30 22:39:25 v26 sshd[2154]: Did not receive identification string from 54.241.73.13 port 36598
Sep 30 22:39:25 v26 sshd[2155]: Did not receive identification string from 54.241.73.13 port 36360
Sep 30 22:39:25 v26 sshd[2157]: Did not receive identification string from 54.241.73.13 port 40156
Sep 30 22:39:25 v26 sshd[2156]: Did not receive identification string from 54.241.73.13 port 46892
Sep 30 22:39:25 v26 sshd[2158]: Did not receive identification string from 54.241.73.13 port 38374
Sep 30 22:39:25 v26 sshd[2159]: Did not receive identification string from 54.241.73.13 port 52828
Sep 30 22:39:29 v26 sshd[2160]: Did not receive identification string from 54.241.73.13 port 51832
Sep 30 22:39:37 v26 sshd[2167]: Did not receive identification string from 54.241.73.13 port 34180
Sep 30 22:39:43 v26 sshd[2182]: Did not receive identification string from 54.241.73.13 port 41248
Sep 30 22:40:03 v26 sshd[2208]: Did not receive identification string from 54.241.73.13 port ........
-------------------------------

Oct  1 04:53:36 php1 sshd\[28689\]: Invalid user luky from 171.244.139.85
Oct  1 04:53:36 php1 sshd\[28689\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.244.139.85
Oct  1 04:53:37 php1 sshd\[28689\]: Failed password for invalid user luky from 171.244.139.85 port 36310 ssh2
Oct  1 04:59:04 php1 sshd\[29242\]: Invalid user user from 171.244.139.85
Oct  1 04:59:04 php1 sshd\[29242\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.244.139.85

Sep 30 18:18:43 srv1 sshd[9122]: Invalid user user from 113.118.235.228
Sep 30 18:18:43 srv1 sshd[9122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.118.235.228 
Sep 30 18:18:45 srv1 sshd[9122]: Failed password for invalid user user from 113.118.235.228 port 64682 ssh2
Sep 30 18:18:45 srv1 sshd[9122]: Received disconnect from 113.118.235.228: 11: Bye Bye [preauth]
Sep 30 18:30:03 srv1 sshd[12293]: Invalid user karika from 113.118.235.228
Sep 30 18:30:03 srv1 sshd[12293]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.118.235.228 
Sep 30 18:30:04 srv1 sshd[12293]: Failed password for invalid user karika from 113.118.235.228 port 63727 ssh2
Sep 30 18:30:05 srv1 sshd[12293]: Received disconnect from 113.118.235.228: 11: Bye Bye [preauth]
Sep 30 18:34:33 srv1 sshd[12813]: Invalid user test from 113.118.235.228
Sep 30 18:34:33 srv1 sshd[12813]: pam_unix(sshd:auth): authentication fai........
-------------------------------

Oct  1 19:50:21 rotator sshd\[9504\]: Failed password for root from 162.247.74.213 port 53560 ssh2Oct  1 19:50:24 rotator sshd\[9504\]: Failed password for root from 162.247.74.213 port 53560 ssh2Oct  1 19:50:27 rotator sshd\[9504\]: Failed password for root from 162.247.74.213 port 53560 ssh2Oct  1 19:50:29 rotator sshd\[9504\]: Failed password for root from 162.247.74.213 port 53560 ssh2Oct  1 19:50:31 rotator sshd\[9504\]: Failed password for root from 162.247.74.213 port 53560 ssh2Oct  1 19:50:35 rotator sshd\[9504\]: Failed password for root from 162.247.74.213 port 53560 ssh2
...

587/tcp 5038/tcp...
[2019-08-06/10-01]5pkt,2pt.(tcp)

2019-10-0114:10:561iFGzY-0006Jp-0K\<=info@imsuisse-sa.chH=\(imsuisse-sa.ch\)[5.120.200.148]:52932P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_plain:info@imsuisse-sa.chS=2807id=67BB679A-7FE5-4F9C-B157-7090C238C545@imsuisse-sa.chT=""formsimas@pfnyc.orgnas917@aol.comnsafajoo@hotmail.comnellie_so@yahoo.comrdarche@queensbp.orgrferraro@kpmg.comsrichter1180@yahoo.comsoccahed10@aol.comsbunnie16@aol.comsshea@kpmg.comSiobhan.Anderson@nasdaqomx.comstephanie@palmernj.com2019-10-0114:10:571iFGzY-0006K4-SV\<=info@imsuisse-sa.chH=224-107-124-91.pool.ukrtel.net\(imsuisse-sa.ch\)[91.124.107.224]:28769P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_plain:info@imsuisse-sa.chS=1605id=1C3CAAB7-00B3-4815-B1B4-58C644E35001@imsuisse-sa.chT=""forstruders@qualcomm.comslkesey@yahoo.comstephen.warr@stagename.comsgdilly@yahoo.comstevie@spleak.comsteve.taylor@mobilemessenger.comsgaynor@mobilesolve.com2019-10-0114:11:011iFGzc-0006Jz-Fg\<=info@imsuisse-sa.chH=\(imsuisse-sa.ch\)[49.35.215.38]:33660P=e

2019-10-01T17:43:03.741196abusebot-5.cloudsearch.cf sshd\[11891\]: Invalid user akanistha from 31.44.84.226 port 33771

23/tcp 23/tcp 23/tcp
[2019-09-29/30]3pkt

Oct  1 08:21:19 eddieflores sshd\[31722\]: Invalid user redhat from 58.171.108.172
Oct  1 08:21:19 eddieflores sshd\[31722\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=har3203515.lnk.telstra.net
Oct  1 08:21:20 eddieflores sshd\[31722\]: Failed password for invalid user redhat from 58.171.108.172 port 6341 ssh2
Oct  1 08:26:41 eddieflores sshd\[32147\]: Invalid user sunusbot1 from 58.171.108.172
Oct  1 08:26:41 eddieflores sshd\[32147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=har3203515.lnk.telstra.net

Oct  1 19:54:56 game-panel sshd[21795]: Failed password for root from 222.186.190.2 port 3222 ssh2
Oct  1 19:55:00 game-panel sshd[21795]: Failed password for root from 222.186.190.2 port 3222 ssh2
Oct  1 19:55:04 game-panel sshd[21795]: Failed password for root from 222.186.190.2 port 3222 ssh2
Oct  1 19:55:09 game-panel sshd[21795]: Failed password for root from 222.186.190.2 port 3222 ssh2

445/tcp 445/tcp
[2019-09-28/10-01]2pkt

2019-10-0114:11:411iFH0G-0006Tu-VQ\<=info@imsuisse-sa.chH=\(imsuisse-sa.ch\)[94.187.55.169]:54802P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_plain:info@imsuisse-sa.chS=2294id=D97C018E-2133-4047-B39A-6FD737560E0D@imsuisse-sa.chT=""forjanuarybeads@verizon.netjrodriguez@erac.comJanuary.Rodriguez@erac.comjanuaryrodriguez@hotmail.comrgonzalves@hotmail.commissysaffell@yahoo.comjorges@acuityconsulting.netbsalles@acmevalley.comkevindsanderlin@hotmail.comksanderlin@kw.comkevin@kevinsanderlin.comjessyandrea2@hotmail.competersao00@yahoo.comsaren@triggerla.com2019-10-0114:11:421iFH0H-0006Tv-N4\<=info@imsuisse-sa.chH=\(imsuisse-sa.ch\)[154.121.52.94]:29591P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_plain:info@imsuisse-sa.chS=2513id=D22C2F54-D2F7-4D78-B1B0-1A1DD8AEA577@imsuisse-sa.chT=""forlindahl@pbm.comravenslock@aol.commlonian@yahoo.comaaronm@wiglaf.orgmalaveralicia@hotmail.comjulie@juliamalik.commamenzies@compuserve.comretrogoober@yahoo.comrobynmayo1@aol.commdm@haven.orgsom