Aug  5 23:09:46 OPSO sshd\[28888\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root
Aug  5 23:09:47 OPSO sshd\[28888\]: Failed password for root from 103.93.16.105 port 50710 ssh2
Aug  5 23:13:28 OPSO sshd\[29490\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root
Aug  5 23:13:31 OPSO sshd\[29490\]: Failed password for root from 103.93.16.105 port 43456 ssh2
Aug  5 23:17:11 OPSO sshd\[30332\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root

2020-07-29T14:02:50.369934ns386461 sshd\[4322\]: Invalid user ykc from 103.93.16.105 port 39408
2020-07-29T14:02:50.374464ns386461 sshd\[4322\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105
2020-07-29T14:02:53.154554ns386461 sshd\[4322\]: Failed password for invalid user ykc from 103.93.16.105 port 39408 ssh2
2020-07-29T14:08:24.745799ns386461 sshd\[9223\]: Invalid user xingfeng from 103.93.16.105 port 37922
2020-07-29T14:08:24.750361ns386461 sshd\[9223\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105
...

$f2bV_matches

2020-07-21T05:06:53.467897shield sshd\[6705\]: Invalid user k from 103.93.16.105 port 34894
2020-07-21T05:06:53.479016shield sshd\[6705\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105
2020-07-21T05:06:55.709897shield sshd\[6705\]: Failed password for invalid user k from 103.93.16.105 port 34894 ssh2
2020-07-21T05:11:10.648723shield sshd\[7027\]: Invalid user postgres from 103.93.16.105 port 33650
2020-07-21T05:11:10.659517shield sshd\[7027\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105

2020-07-12T07:20:00+0000 Failed SSH Authentication/Brute Force Attack. (Server 6)

2020-07-04T22:53:53.393645linuxbox-skyline sshd[588385]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root
2020-07-04T22:53:55.101180linuxbox-skyline sshd[588385]: Failed password for root from 103.93.16.105 port 38560 ssh2
...

Jul  4 02:18:49 vps639187 sshd\[27186\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root
Jul  4 02:18:50 vps639187 sshd\[27186\]: Failed password for root from 103.93.16.105 port 42508 ssh2
Jul  4 02:21:55 vps639187 sshd\[27238\]: Invalid user ismail from 103.93.16.105 port 59732
Jul  4 02:21:55 vps639187 sshd\[27238\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105
...

Jun 20 23:24:49 mout sshd[10262]: Invalid user odoo10 from 103.93.16.105 port 35002

Jun 20 16:47:59 OPSO sshd\[16754\]: Invalid user elasticsearch from 103.93.16.105 port 51230
Jun 20 16:47:59 OPSO sshd\[16754\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105
Jun 20 16:48:01 OPSO sshd\[16754\]: Failed password for invalid user elasticsearch from 103.93.16.105 port 51230 ssh2
Jun 20 16:51:34 OPSO sshd\[17346\]: Invalid user carolina from 103.93.16.105 port 41172
Jun 20 16:51:34 OPSO sshd\[17346\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105

Lines containing failures of 103.93.161.161
Jun  1 19:03:10 shared04 sshd[22043]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.161.161  user=r.r
Jun  1 19:03:12 shared04 sshd[22043]: Failed password for r.r from 103.93.161.161 port 48432 ssh2
Jun  1 19:03:12 shared04 sshd[22043]: Received disconnect from 103.93.161.161 port 48432:11: Bye Bye [preauth]
Jun  1 19:03:12 shared04 sshd[22043]: Disconnected from authenticating user r.r 103.93.161.161 port 48432 [preauth]
Jun  1 19:07:00 shared04 sshd[23504]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.161.161  user=r.r
Jun  1 19:07:02 shared04 sshd[23504]: Failed password for r.r from 103.93.161.161 port 33146 ssh2
Jun  1 19:07:02 shared04 sshd[23504]: Received disconnect from 103.93.161.161 port 33146:11: Bye Bye [preauth]
Jun  1 19:07:02 shared04 sshd[23504]: Disconnected from authenticating user r.r 103.93.161.161 port 33146........
------------------------------

Jun  2 06:35:05 vps687878 sshd\[25327\]: Failed password for root from 103.93.161.161 port 51926 ssh2
Jun  2 06:37:15 vps687878 sshd\[25731\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.161.161  user=root
Jun  2 06:37:17 vps687878 sshd\[25731\]: Failed password for root from 103.93.161.161 port 47760 ssh2
Jun  2 06:39:30 vps687878 sshd\[25983\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.161.161  user=root
Jun  2 06:39:31 vps687878 sshd\[25983\]: Failed password for root from 103.93.161.161 port 43616 ssh2
...

2020-05-31T14:03:35.203624struts4.enskede.local sshd\[23941\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root
2020-05-31T14:03:38.594580struts4.enskede.local sshd\[23941\]: Failed password for root from 103.93.16.105 port 52588 ssh2
2020-05-31T14:07:12.385299struts4.enskede.local sshd\[23950\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root
2020-05-31T14:07:14.963105struts4.enskede.local sshd\[23950\]: Failed password for root from 103.93.16.105 port 55730 ssh2
2020-05-31T14:08:30.613514struts4.enskede.local sshd\[23953\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.16.105  user=root
...

[ssh] SSH attack

Automatic report - Windows Brute-Force Attack

2020-04-2305:53:511jRSvu-0003vy-Qw\<=info@whatsup2013.chH=\(localhost\)[187.109.167.99]:57939P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3149id=24d1cf323912c73417e91f4c4793aaf6d53f632c8b@whatsup2013.chT="fromLorrainetoperroncolorado"forperroncolorado@gmail.comdaniel.0428.jara.acosta@gmail.comreklamaceloterie@seznam.cz2020-04-2305:53:341jRSve-0003te-EE\<=info@whatsup2013.chH=\(localhost\)[41.128.191.138]:40834P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3277id=08f442111a311b138f8a3c9077f3d9c52a1825@whatsup2013.chT="fromDelroytotariq_19552003"fortariq_19552003@yahoo.co.ukjarkokrajci@icloud.comptravis582@gmail.com2020-04-2305:54:331jRSwa-0003zm-0P\<=info@whatsup2013.chH=\(localhost\)[14.231.161.16]:36030P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3152id=0077c19299b298900c09bf13f4705a46a2d505@whatsup2013.chT="RecentlikefromErn"forrajaahil123jko1g@gmail.comtonypfitz@gmai

Wordpress malicious attack:[sshd]

firewall-block, port(s): 10227/tcp

Time:     Sun Aug 23 03:08:50 2020 -0400
IP:       188.166.144.207 (GB/United Kingdom/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Aug 23 02:53:47 pv-11-ams1 sshd[16779]: Invalid user virtual from 188.166.144.207 port 53986
Aug 23 02:53:50 pv-11-ams1 sshd[16779]: Failed password for invalid user virtual from 188.166.144.207 port 53986 ssh2
Aug 23 03:04:28 pv-11-ams1 sshd[17202]: Invalid user admin from 188.166.144.207 port 49868
Aug 23 03:04:30 pv-11-ams1 sshd[17202]: Failed password for invalid user admin from 188.166.144.207 port 49868 ssh2
Aug 23 03:08:44 pv-11-ams1 sshd[17345]: Invalid user luan from 188.166.144.207 port 52234

2020-08-23T04:26:44.385189shield sshd\[12603\]: Invalid user ventas from 103.56.158.136 port 38660
2020-08-23T04:26:44.407407shield sshd\[12603\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.56.158.136
2020-08-23T04:26:46.359257shield sshd\[12603\]: Failed password for invalid user ventas from 103.56.158.136 port 38660 ssh2
2020-08-23T04:28:59.852612shield sshd\[13136\]: Invalid user israel from 103.56.158.136 port 41756
2020-08-23T04:28:59.869933shield sshd\[13136\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.56.158.136

Aug 23 09:06:29 web8 sshd\[25075\]: Invalid user jyk from 129.213.107.56
Aug 23 09:06:29 web8 sshd\[25075\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.213.107.56
Aug 23 09:06:32 web8 sshd\[25075\]: Failed password for invalid user jyk from 129.213.107.56 port 45212 ssh2
Aug 23 09:10:23 web8 sshd\[27263\]: Invalid user hugo from 129.213.107.56
Aug 23 09:10:23 web8 sshd\[27263\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.213.107.56

Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-08-23T08:26:07Z and 2020-08-23T08:33:47Z

Aug 23 05:49:58 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:4a:cc:28:99:3a:4d:23:91:08:00 SRC=31.134.42.134 DST=173.212.244.83 LEN=52 TOS=0x00 PREC=0x00 TTL=54 ID=8612 DF PROTO=TCP SPT=4538 DPT=18073 WINDOW=64240 RES=0x00 SYN URGP=0 Aug 23 05:49:58 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:4a:cc:28:99:3a:4d:23:91:08:00 SRC=31.134.42.134 DST=173.212.244.83 LEN=48 TOS=0x00 PREC=0x00 TTL=54 ID=8611 PROTO=UDP SPT=18073 DPT=18073 LEN=28 Aug 23 05:50:01 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:4a:cc:28:99:3a:4d:23:91:08:00 SRC=31.134.42.134 DST=173.212.244.83 LEN=52 TOS=0x00 PREC=0x00 TTL=54 ID=8613 DF PROTO=TCP SPT=4538 DPT=18073 WINDOW=64240 RES=0x00 SYN URGP=0 Aug 23 05:50:01 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:4a:cc:28:99:3a:4d:23:91:08:00 SRC=31.134.42.134 DST=173.212.244.83 LEN=48 TOS=0x00 PREC=0x00 TTL=55 ID=8614 PROTO=UDP SPT=18073 DPT=18073 LEN=28 Aug 23 05:50:07 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:50:
...

Aug 23 05:50:03 *host* sshd\[5124\]: User *user* from 194.105.205.42 not allowed because none of user's groups are listed in AllowGroups

Aug 23 05:34:09 ns392434 sshd[4554]: Invalid user administrator from 111.229.73.244 port 54180
Aug 23 05:34:09 ns392434 sshd[4554]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.73.244
Aug 23 05:34:09 ns392434 sshd[4554]: Invalid user administrator from 111.229.73.244 port 54180
Aug 23 05:34:11 ns392434 sshd[4554]: Failed password for invalid user administrator from 111.229.73.244 port 54180 ssh2
Aug 23 05:46:18 ns392434 sshd[4860]: Invalid user fotos from 111.229.73.244 port 51506
Aug 23 05:46:18 ns392434 sshd[4860]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.73.244
Aug 23 05:46:18 ns392434 sshd[4860]: Invalid user fotos from 111.229.73.244 port 51506
Aug 23 05:46:19 ns392434 sshd[4860]: Failed password for invalid user fotos from 111.229.73.244 port 51506 ssh2
Aug 23 05:49:30 ns392434 sshd[4885]: Invalid user wp-user from 111.229.73.244 port 37810

Aug 23 06:00:51 prod4 sshd\[30071\]: Failed password for root from 220.161.81.131 port 41326 ssh2
Aug 23 06:05:41 prod4 sshd\[31648\]: Invalid user daxiao from 220.161.81.131
Aug 23 06:05:43 prod4 sshd\[31648\]: Failed password for invalid user daxiao from 220.161.81.131 port 46588 ssh2
...

Aug 23 09:21:59 ovpn sshd\[32287\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.135.29  user=root
Aug 23 09:22:00 ovpn sshd\[32287\]: Failed password for root from 107.170.135.29 port 58352 ssh2
Aug 23 09:36:50 ovpn sshd\[3503\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.135.29  user=root
Aug 23 09:36:52 ovpn sshd\[3503\]: Failed password for root from 107.170.135.29 port 40157 ssh2
Aug 23 09:41:30 ovpn sshd\[4645\]: Invalid user odoo11 from 107.170.135.29
Aug 23 09:41:30 ovpn sshd\[4645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.135.29

Invalid user alen from 51.38.118.26 port 41134

Invalid user robot from 49.235.120.203 port 59534

Aug 23 07:51:04 marvibiene sshd[7484]: Failed password for root from 36.189.253.226 port 39398 ssh2

firewall-block, port(s): 23/tcp