Oct  3 13:31:25 php1 sshd\[2303\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.78.222  user=root
Oct  3 13:31:26 php1 sshd\[2303\]: Failed password for root from 165.22.78.222 port 50218 ssh2
Oct  3 13:35:35 php1 sshd\[2689\]: Invalid user 123 from 165.22.78.222
Oct  3 13:35:35 php1 sshd\[2689\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.78.222
Oct  3 13:35:38 php1 sshd\[2689\]: Failed password for invalid user 123 from 165.22.78.222 port 36056 ssh2

Oct  3 22:59:58 web8 sshd\[26432\]: Invalid user oracle from 61.76.169.138
Oct  3 22:59:58 web8 sshd\[26432\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.76.169.138
Oct  3 23:00:00 web8 sshd\[26432\]: Failed password for invalid user oracle from 61.76.169.138 port 6241 ssh2
Oct  3 23:04:52 web8 sshd\[28782\]: Invalid user natalina from 61.76.169.138
Oct  3 23:04:52 web8 sshd\[28782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.76.169.138

Oct  3 15:42:32 localhost kernel: [3869571.256599] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:a8:41:08:00 SRC=181.174.165.190 DST=[mungedIP2] LEN=40 TOS=0x08 PREC=0x20 TTL=62 ID=19492 DF PROTO=TCP SPT=62835 DPT=22 SEQ=77134336 ACK=0 WINDOW=29200 RES=0x00 SYN URGP=0 
Oct  3 15:45:47 localhost kernel: [3869766.741562] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:a8:41:08:00 SRC=181.174.165.190 DST=[mungedIP2] LEN=40 TOS=0x08 PREC=0x20 TTL=75 ID=31776 DF PROTO=TCP SPT=52806 DPT=22 SEQ=2749986142 ACK=0 WINDOW=29200 RES=0x00 SYN URGP=0 
Oct  3 16:49:54 localhost kernel: [3873613.907476] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:a8:41:08:00 SRC=181.174.165.190 DST=[mungedIP2] LEN=40 TOS=0x08 PREC=0x20 TTL=81 ID=41021 DF PROTO=TCP SPT=64002 DPT=22 SEQ=2771226610 ACK=0 WINDOW=29200 RES=0x00 SYN URGP=0

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

Honeypot attack, port: 23, PTR: PTR record not found

firewall-block, port(s): 445/tcp

2019-10-03 15:49:48 H=b7.luamesdia.store (t7.profissionalesbox.com.de) [139.99.216.84]:55718 I=[192.147.25.65]:25 sender verify fail for : all relevant MX records point to non-existent hosts
2019-10-03 15:49:48 H=b7.luamesdia.store (t7.profissionalesbox.com.de) [139.99.216.84]:55718 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
2019-10-03 15:50:44 H=b7.luamesdia.store (t7.profissionalesbox.com.de) [139.99.216.84]:56458 I=[192.147.25.65]:25 sender verify fail for : all relevant MX records point to non-existent hosts
2019-10-03 15:50:44 H=b7.luamesdia.store (t7.profissionalesbox.com.de) [139.99.216.84]:56458 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
...

Oct  4 00:55:45 MK-Soft-Root1 sshd[16132]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.5.244.218 
Oct  4 00:55:47 MK-Soft-Root1 sshd[16132]: Failed password for invalid user postgres from 218.5.244.218 port 39584 ssh2
...

CloudCIX Reconnaissance Scan Detected, PTR: i3gs.org.

firewall-block, port(s): 445/tcp

Oct  4 01:15:39 vmanager6029 postfix/smtpd\[3874\]: warning: unknown\[45.142.195.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 01:16:27 vmanager6029 postfix/smtpd\[4827\]: warning: unknown\[45.142.195.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6

Oct  3 13:38:39 php1 sshd\[22793\]: Invalid user sy from 186.122.149.85
Oct  3 13:38:39 php1 sshd\[22793\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.122.149.85
Oct  3 13:38:41 php1 sshd\[22793\]: Failed password for invalid user sy from 186.122.149.85 port 48316 ssh2
Oct  3 13:43:48 php1 sshd\[24505\]: Invalid user SteamCMD from 186.122.149.85
Oct  3 13:43:48 php1 sshd\[24505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.122.149.85

Lines containing failures of 139.59.180.53
Sep 30 14:52:59 shared12 sshd[2457]: Invalid user qhsupport from 139.59.180.53 port 50714
Sep 30 14:52:59 shared12 sshd[2457]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.180.53
Sep 30 14:53:01 shared12 sshd[2457]: Failed password for invalid user qhsupport from 139.59.180.53 port 50714 ssh2
Sep 30 14:53:01 shared12 sshd[2457]: Received disconnect from 139.59.180.53 port 50714:11: Normal Shutdown [preauth]
Sep 30 14:53:01 shared12 sshd[2457]: Disconnected from invalid user qhsupport 139.59.180.53 port 50714 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=139.59.180.53

Oct  4 02:30:02 www2 sshd\[2896\]: Failed password for root from 42.115.221.40 port 42058 ssh2Oct  4 02:34:49 www2 sshd\[3423\]: Failed password for root from 42.115.221.40 port 54486 ssh2Oct  4 02:39:34 www2 sshd\[4021\]: Failed password for root from 42.115.221.40 port 38674 ssh2
...

Oct  4 05:24:21 areeb-Workstation sshd[31690]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.19.162.80
Oct  4 05:24:23 areeb-Workstation sshd[31690]: Failed password for invalid user P@$$WORD@2016 from 111.19.162.80 port 36512 ssh2
...