Automatic report - Port Scan Attack

20/3/10@05:21:28: FAIL: Alarm-Telnet address from=77.42.84.122
...

Mar 10 10:07:34 shenron sshd[1150]: Did not receive identification string from 125.165.107.151
Mar 10 10:09:03 shenron sshd[1151]: Invalid user 666666 from 125.165.107.151
Mar 10 10:09:10 shenron sshd[1151]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.165.107.151
Mar 10 10:09:12 shenron sshd[1151]: Failed password for invalid user 666666 from 125.165.107.151 port 61710 ssh2


........
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https://www.blocklist.de/en/view.html?ip=125.165.107.151

Brute-force attempt banned

2020-03-10T13:30:27.825287shield sshd\[26669\]: Invalid user sinusbot from 52.60.147.135 port 57742
2020-03-10T13:30:27.835658shield sshd\[26669\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-60-147-135.ca-central-1.compute.amazonaws.com
2020-03-10T13:30:29.641332shield sshd\[26669\]: Failed password for invalid user sinusbot from 52.60.147.135 port 57742 ssh2
2020-03-10T13:40:22.044238shield sshd\[27896\]: Invalid user tom from 52.60.147.135 port 51970
2020-03-10T13:40:22.048482shield sshd\[27896\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-60-147-135.ca-central-1.compute.amazonaws.com

2020-03-10 15:21:43 dovecot_login authenticator failed for \(User\) \[141.98.10.141\]: 535 Incorrect authentication data \(set_id=lolo\)
2020-03-10 15:25:17 dovecot_login authenticator failed for \(User\) \[141.98.10.141\]: 535 Incorrect authentication data \(set_id=lolo\)
2020-03-10 15:25:23 dovecot_login authenticator failed for \(User\) \[141.98.10.141\]: 535 Incorrect authentication data \(set_id=lolo\)
2020-03-10 15:25:24 dovecot_login authenticator failed for \(User\) \[141.98.10.141\]: 535 Incorrect authentication data \(set_id=lolo\)
2020-03-10 15:27:27 dovecot_login authenticator failed for \(User\) \[141.98.10.141\]: 535 Incorrect authentication data \(set_id=office@no-server.de\)
...

scans once in preceeding hours on the ports (in chronological order) 62534 resulting in total of 67 scans from 192.241.128.0/17 block.

404 NOT FOUND

20/3/10@05:21:23: FAIL: Alarm-Telnet address from=187.10.142.74
...

Mar 10 15:33:12 meumeu sshd[18748]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.106 
Mar 10 15:33:14 meumeu sshd[18748]: Failed password for invalid user user from 92.63.194.106 port 42773 ssh2
Mar 10 15:33:33 meumeu sshd[18890]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.106 
...

SSH Authentication Attempts Exceeded

Mar 10 04:21:04 wbs sshd\[19698\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.190.43  user=umbrella-finder
Mar 10 04:21:06 wbs sshd\[19698\]: Failed password for umbrella-finder from 68.183.190.43 port 60826 ssh2
Mar 10 04:25:00 wbs sshd\[20072\]: Invalid user umbrella-finder123 from 68.183.190.43
Mar 10 04:25:00 wbs sshd\[20072\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.190.43
Mar 10 04:25:02 wbs sshd\[20072\]: Failed password for invalid user umbrella-finder123 from 68.183.190.43 port 58594 ssh2

Mon, 09 Mar 2020 15:51:34 -0400 Received: from mail.listinfopro.info ([103.228.152.56]:44982) From: "Janet"  Subject: India New Updated Email List- 2020 Bulk Email List spam

Brute forcing email accounts

Mar 10 15:25:03 debian-2gb-nbg1-2 kernel: \[6109450.027875\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=92.118.37.74 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=26492 PROTO=TCP SPT=58558 DPT=5110 WINDOW=1024 RES=0x00 SYN URGP=0