178.62.20.158 - - \[23/Oct/2019:21:20:30 +0000\] "POST /wp-login.php HTTP/1.1" 200 4358 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
178.62.20.158 - - \[23/Oct/2019:21:20:35 +0000\] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...

178.62.206.151 - - [31/Aug/2020:14:34:45 +0200] "GET /stalker_portal/c/version.js HTTP/1.1" 404 427 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"
178.62.206.151 - - [31/Aug/2020:14:34:45 +0200] "GET /client_area/ HTTP/1.1" 404 427 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"
178.62.206.151 - - [31/Aug/2020:14:34:45 +0200] "GET /system_api.php HTTP/1.1" 404 427 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"
178.62.206.151 - - [31/Aug/2020:14:34:45 +0200] "GET / HTTP/1.0" 400 0 "-" "-"
178.62.206.151 - - [31/Aug/2020:14:34:45 +0200] "GET /stalker_portal/c/version.js HTTP/1.1" 403 3129 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gec
...

Aug 11 15:42:52 theomazars sshd[30372]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.20.115  user=root
Aug 11 15:42:54 theomazars sshd[30372]: Failed password for root from 178.62.20.115 port 58606 ssh2

Lines containing failures of 178.62.20.115
Jul 27 05:34:05 mx-in-01 sshd[10958]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.20.115  user=r.r
Jul 27 05:34:08 mx-in-01 sshd[10958]: Failed password for r.r from 178.62.20.115 port 42004 ssh2
Jul 27 05:34:08 mx-in-01 sshd[10958]: Connection closed by authenticating user r.r 178.62.20.115 port 42004 [preauth]
Jul 27 05:44:22 mx-in-01 sshd[11861]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.20.115  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=178.62.20.115

41. On Jun 1 2020 experienced a Brute Force SSH login attempt -> 49 unique times by 178.62.202.204.

Invalid user mailbox from 178.62.202.204 port 46460

May 27 09:13:25 pornomens sshd\[31762\]: Invalid user ljda from 178.62.202.204 port 41540
May 27 09:13:25 pornomens sshd\[31762\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.202.204
May 27 09:13:26 pornomens sshd\[31762\]: Failed password for invalid user ljda from 178.62.202.204 port 41540 ssh2
...

Honeypot hit.

Invalid user divya from 178.62.206.175 port 34572

Feb 12 07:11:32 legacy sshd[8272]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.203.226
Feb 12 07:11:34 legacy sshd[8272]: Failed password for invalid user waldo from 178.62.203.226 port 34096 ssh2
Feb 12 07:14:51 legacy sshd[8511]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.203.226
...

fire

fire

Jul 29 05:01:47 db01 sshd[5904]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.209.168  user=r.r
Jul 29 05:01:49 db01 sshd[5904]: Failed password for r.r from 178.62.209.168 port 35966 ssh2
Jul 29 05:01:49 db01 sshd[5904]: Received disconnect from 178.62.209.168: 11: Bye Bye [preauth]
Jul 29 05:26:35 db01 sshd[7780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.209.168  user=r.r
Jul 29 05:26:37 db01 sshd[7780]: Failed password for r.r from 178.62.209.168 port 33808 ssh2
Jul 29 05:26:37 db01 sshd[7780]: Received disconnect from 178.62.209.168: 11: Bye Bye [preauth]
Jul 29 05:32:23 db01 sshd[8179]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.209.168  user=r.r
Jul 29 05:32:26 db01 sshd[8179]: Failed password for r.r from 178.62.209.168 port 56430 ssh2
Jul 29 05:32:26 db01 sshd[8179]: Received disconnect from 178.62.209.168: 1........
-------------------------------

2019-07-08T22:30:53.243080scmdmz1 sshd\[928\]: Invalid user redmine from 178.62.202.119 port 49220
2019-07-08T22:30:53.245855scmdmz1 sshd\[928\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.202.119
2019-07-08T22:30:55.197082scmdmz1 sshd\[928\]: Failed password for invalid user redmine from 178.62.202.119 port 49220 ssh2
...

Jul  6 20:02:55 herz-der-gamer sshd[6391]: Invalid user ts3srv from 178.62.202.119 port 45274
...

Jul  5 20:09:06 herz-der-gamer sshd[23303]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.202.119  user=root
Jul  5 20:09:08 herz-der-gamer sshd[23303]: Failed password for root from 178.62.202.119 port 35550 ssh2
...

Automatic report - XMLRPC Attack

\[2019-11-07 17:43:45\] NOTICE\[2601\] chan_sip.c: Registration from '"1018" \' failed for '64.31.35.218:5805' - Wrong password
\[2019-11-07 17:43:45\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-07T17:43:45.661-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="1018",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.35.218/5805",Challenge="4b2eab0a",ReceivedChallenge="4b2eab0a",ReceivedHash="943faac8687f229781f392ce467a80af"
\[2019-11-07 17:43:45\] NOTICE\[2601\] chan_sip.c: Registration from '"1018" \' failed for '64.31.35.218:5805' - Wrong password
\[2019-11-07 17:43:45\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-07T17:43:45.753-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="1018",SessionID="0x7fdf2c3f5928",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/6

Lines containing failures of 60.165.131.240
Nov  7 23:22:26 hwd04 sshd[28608]: Invalid user admin from 60.165.131.240 port 20279
Nov  7 23:22:26 hwd04 sshd[28608]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.165.131.240
Nov  7 23:22:28 hwd04 sshd[28608]: Failed password for invalid user admin from 60.165.131.240 port 20279 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=60.165.131.240

Nov  7 23:18:06 venus sshd\[2487\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.200  user=root
Nov  7 23:18:08 venus sshd\[2487\]: Failed password for root from 218.92.0.200 port 18435 ssh2
Nov  7 23:18:10 venus sshd\[2487\]: Failed password for root from 218.92.0.200 port 18435 ssh2
...

Nov  7 23:35:00 mxgate1 postfix/postscreen[18656]: CONNECT from [45.117.53.141]:46469 to [176.31.12.44]:25
Nov  7 23:35:00 mxgate1 postfix/dnsblog[18659]: addr 45.117.53.141 listed by domain zen.spamhaus.org as 127.0.0.3
Nov  7 23:35:00 mxgate1 postfix/dnsblog[18659]: addr 45.117.53.141 listed by domain zen.spamhaus.org as 127.0.0.2
Nov  7 23:35:00 mxgate1 postfix/dnsblog[18659]: addr 45.117.53.141 listed by domain zen.spamhaus.org as 127.0.0.9
Nov  7 23:35:06 mxgate1 postfix/postscreen[18656]: DNSBL rank 2 for [45.117.53.141]:46469
Nov x@x
Nov  7 23:35:06 mxgate1 postfix/postscreen[18656]: DISCONNECT [45.117.53.141]:46469


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.117.53.141

SSH Brute Force, server-1 sshd[29957]: Failed password for invalid user jw from 123.206.17.68 port 35618 ssh2

Nov  8 00:37:43 vtv3 sshd\[26557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.128.234.169  user=root
Nov  8 00:37:45 vtv3 sshd\[26557\]: Failed password for root from 27.128.234.169 port 35326 ssh2
Nov  8 00:41:49 vtv3 sshd\[29150\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.128.234.169  user=root
Nov  8 00:41:51 vtv3 sshd\[29150\]: Failed password for root from 27.128.234.169 port 43726 ssh2
Nov  8 00:45:55 vtv3 sshd\[31747\]: Invalid user mercury from 27.128.234.169 port 52138
Nov  8 00:45:55 vtv3 sshd\[31747\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.128.234.169
Nov  8 00:58:02 vtv3 sshd\[6805\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.128.234.169  user=root
Nov  8 00:58:04 vtv3 sshd\[6805\]: Failed password for root from 27.128.234.169 port 49130 ssh2
Nov  8 01:02:13 vtv3 sshd\[9525\]: pam_unix\(s

2019-11-08T00:20:54.303676mail01 postfix/smtpd[30213]: warning: unknown[46.38.144.146]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-08T00:21:00.418572mail01 postfix/smtpd[5903]: warning: unknown[46.38.144.146]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-08T00:21:06.317997mail01 postfix/smtpd[11854]: warning: unknown[46.38.144.146]: SASL LOGIN authentication failed: UGFzc3dvcmQ6

Automatic report - Port Scan Attack

port 23 attempt blocked

Nov  7 23:43:17 MK-Soft-VM7 sshd[29706]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.113.2 
Nov  7 23:43:19 MK-Soft-VM7 sshd[29706]: Failed password for invalid user biology from 139.199.113.2 port 55403 ssh2
...

Nov  7 17:37:19 cumulus sshd[15544]: Did not receive identification string from 177.131.22.54 port 6954
Nov  7 17:37:20 cumulus sshd[15545]: Did not receive identification string from 177.131.22.54 port 50608
Nov  7 17:37:20 cumulus sshd[15546]: Did not receive identification string from 177.131.22.54 port 19401
Nov  7 17:37:22 cumulus sshd[15547]: Did not receive identification string from 177.131.22.54 port 46886
Nov  7 17:37:22 cumulus sshd[15548]: Did not receive identification string from 177.131.22.54 port 54309
Nov  7 17:37:23 cumulus sshd[15549]: Invalid user service from 177.131.22.54 port 60766
Nov  7 17:37:23 cumulus sshd[15549]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.131.22.54
Nov  7 17:37:24 cumulus sshd[15551]: Invalid user service from 177.131.22.54 port 9231
Nov  7 17:37:25 cumulus sshd[15551]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.131.22.54
Nov  7 ........
-------------------------------

2019-11-08T00:29:27.056535mail01 postfix/smtpd[4973]: warning: unknown[46.38.144.179]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-08T00:29:33.007519mail01 postfix/smtpd[5901]: warning: unknown[46.38.144.179]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-08T00:29:50.154746mail01 postfix/smtpd[4973]: warning: unknown[46.38.144.179]: SASL LOGIN authentication failed: UGFzc3dvcmQ6

forum spam (documents)

Nov  7 23:37:34 mxgate1 postfix/postscreen[18656]: CONNECT from [193.187.80.161]:38912 to [176.31.12.44]:25
Nov  7 23:37:34 mxgate1 postfix/dnsblog[18660]: addr 193.187.80.161 listed by domain zen.spamhaus.org as 127.0.0.4
Nov  7 23:37:34 mxgate1 postfix/dnsblog[18658]: addr 193.187.80.161 listed by domain cbl.abuseat.org as 127.0.0.2
Nov  7 23:37:35 mxgate1 postfix/dnsblog[18661]: addr 193.187.80.161 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Nov  7 23:37:36 mxgate1 postfix/dnsblog[18659]: addr 193.187.80.161 listed by domain b.barracudacentral.org as 127.0.0.2
Nov  7 23:37:40 mxgate1 postfix/postscreen[18656]: DNSBL rank 5 for [193.187.80.161]:38912
Nov x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=193.187.80.161