Jan 31 09:50:00 sxvn sshd[1105500]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.24.187

Attempt to attack host OS, exploiting network vulnerabilities, on 31-01-2020 08:50:18.

Attempt to attack host OS, exploiting network vulnerabilities, on 31-01-2020 08:50:21.

20/1/31@03:50:19: FAIL: Alarm-Network address from=14.192.239.165
...

2020-01-31T08:49:59.420899homeassistant sshd[28223]: Invalid user samiran from 80.17.244.2 port 36600
2020-01-31T08:49:59.430955homeassistant sshd[28223]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.17.244.2
...

Jan 30 23:30:24 hanapaa sshd\[10883\]: Invalid user petr from 14.177.211.172
Jan 30 23:30:24 hanapaa sshd\[10883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.177.211.172
Jan 30 23:30:26 hanapaa sshd\[10883\]: Failed password for invalid user petr from 14.177.211.172 port 59134 ssh2
Jan 30 23:30:27 hanapaa sshd\[10885\]: Invalid user petr from 14.177.211.172
Jan 30 23:30:28 hanapaa sshd\[10885\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.177.211.172

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

2020-01-31 10:11:38 dovecot_login authenticator failed for \(User\) \[92.118.38.56\]: 535 Incorrect authentication data \(set_id=keika@no-server.de\)
2020-01-31 10:11:39 dovecot_login authenticator failed for \(User\) \[92.118.38.56\]: 535 Incorrect authentication data \(set_id=keika@no-server.de\)
2020-01-31 10:11:44 dovecot_login authenticator failed for \(User\) \[92.118.38.56\]: 535 Incorrect authentication data \(set_id=keika@no-server.de\)
2020-01-31 10:11:47 dovecot_login authenticator failed for \(User\) \[92.118.38.56\]: 535 Incorrect authentication data \(set_id=keika@no-server.de\)
2020-01-31 10:12:10 dovecot_login authenticator failed for \(User\) \[92.118.38.56\]: 535 Incorrect authentication data \(set_id=keiri@no-server.de\)
2020-01-31 10:12:10 dovecot_login authenticator failed for \(User\) \[92.118.38.56\]: 535 Incorrect authentication data \(set_id=keiri@no-server.de\)
...

[2020-01-31 04:32:07] NOTICE[1148] chan_sip.c: Registration from '' failed for '185.147.215.8:60079' - Wrong password
[2020-01-31 04:32:07] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-01-31T04:32:07.098-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="8957",SessionID="0x7fd82c31abc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.8/60079",Challenge="053c7b7c",ReceivedChallenge="053c7b7c",ReceivedHash="af31e32c211a4d350798acb927d7bb58"
[2020-01-31 04:32:43] NOTICE[1148] chan_sip.c: Registration from '' failed for '185.147.215.8:53644' - Wrong password
[2020-01-31 04:32:43] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-01-31T04:32:43.779-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="443",SessionID="0x7fd82c31abc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.8/5
...

Automatic report - SSH Brute-Force Attack

firewall-block, port(s): 1433/tcp

Jan 31 10:24:50 debian-2gb-nbg1-2 kernel: \[2721949.939231\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=66.70.188.152 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=237 ID=54321 PROTO=TCP SPT=48632 DPT=8080 WINDOW=65535 RES=0x00 SYN URGP=0

Jan 31 10:25:04 [host] sshd[5256]: Invalid user kangana from 176.31.250.160
Jan 31 10:25:04 [host] sshd[5256]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.250.160
Jan 31 10:25:06 [host] sshd[5256]: Failed password for invalid user kangana from 176.31.250.160 port 45686 ssh2

firewall-block, port(s): 1433/tcp

Unauthorized connection attempt detected from IP address 42.115.162.178 to port 23 [J]