2019-12-03T07:01:35.288963abusebot-3.cloudsearch.cf sshd\[4053\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.ip-51-68-123.eu  user=root

Portscan or hack attempt detected by psad/fwsnort

Dec  3 08:02:19 mail sshd[16738]: Failed password for root from 112.85.42.173 port 24295 ssh2
Dec  3 08:02:23 mail sshd[16738]: Failed password for root from 112.85.42.173 port 24295 ssh2
Dec  3 08:02:27 mail sshd[16738]: Failed password for root from 112.85.42.173 port 24295 ssh2
Dec  3 08:02:32 mail sshd[16738]: Failed password for root from 112.85.42.173 port 24295 ssh2

Dec  3 07:23:23 MK-Soft-VM3 sshd[1630]: Failed password for root from 193.112.220.76 port 33801 ssh2
Dec  3 07:29:51 MK-Soft-VM3 sshd[2034]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.220.76 
...

Dec  3 07:29:30 relay postfix/smtpd\[26001\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.137\]: 554 5.7.1 \: Relay access denied\; from=\<6hzelypvjmnojj@1mostostroy.ru\> to=\ proto=ESMTP helo=\<\[181.41.216.131\]\>
Dec  3 07:29:30 relay postfix/smtpd\[26001\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.137\]: 554 5.7.1 \: Relay access denied\; from=\<6hzelypvjmnojj@1mostostroy.ru\> to=\ proto=ESMTP helo=\<\[181.41.216.131\]\>
Dec  3 07:29:30 relay postfix/smtpd\[26001\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.137\]: 554 5.7.1 \: Relay access denied\; from=\<6hzelypvjmnojj@1mostostroy.ru\> to=\ proto=ESMTP helo=\<\[181.41.216.131\]\>
Dec  3 07:29:30 relay postfix/smtpd\[26001\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.137\]: 554 5.7.1 \

Unauthorised access (Dec  3) SRC=118.69.65.193 LEN=52 TTL=110 ID=11394 DF TCP DPT=445 WINDOW=8192 SYN

Dec  2 01:43:09 ahost sshd[21150]: Address 137.74.5.149 maps to lemon.click, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Dec  2 01:43:09 ahost sshd[21150]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.5.149  user=r.r
Dec  2 01:43:11 ahost sshd[21150]: Failed password for r.r from 137.74.5.149 port 33282 ssh2
Dec  2 01:43:11 ahost sshd[21150]: Received disconnect from 137.74.5.149: 11: Bye Bye [preauth]
Dec  2 01:50:40 ahost sshd[21231]: Address 137.74.5.149 maps to lemon.click, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Dec  2 01:50:40 ahost sshd[21231]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.5.149  user=r.r
Dec  2 01:50:42 ahost sshd[21231]: Failed password for r.r from 137.74.5.149 port 53198 ssh2
Dec  2 01:50:42 ahost sshd[21231]: Received disconnect from 137.74.5.149: 11: Bye Bye [preauth]
Dec  2 01:56:03 aho........
------------------------------

12/03/2019-02:25:28.018740 185.209.0.92 Protocol: 6 ET DROP Dshield Block Listed Source group 1

2019-12-03T06:29:59.406401abusebot-5.cloudsearch.cf sshd\[6869\]: Invalid user battesti from 106.12.32.48 port 51422

Port 22 Scan, PTR: None

Triggered by Fail2Ban at Vostok web server

Dec  3 12:51:06 vibhu-HP-Z238-Microtower-Workstation sshd\[17953\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.238  user=root
Dec  3 12:51:08 vibhu-HP-Z238-Microtower-Workstation sshd\[17953\]: Failed password for root from 222.186.173.238 port 26724 ssh2
Dec  3 12:51:27 vibhu-HP-Z238-Microtower-Workstation sshd\[18024\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.238  user=root
Dec  3 12:51:29 vibhu-HP-Z238-Microtower-Workstation sshd\[18024\]: Failed password for root from 222.186.173.238 port 60930 ssh2
Dec  3 12:51:52 vibhu-HP-Z238-Microtower-Workstation sshd\[18106\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.238  user=root
...

2019-12-03T06:29:54.487295abusebot-8.cloudsearch.cf sshd\[14678\]: Invalid user webadmin from 129.211.147.91 port 59586

Dec  3 07:29:56 MK-Soft-VM3 sshd[2046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.121.28.206 
Dec  3 07:29:59 MK-Soft-VM3 sshd[2046]: Failed password for invalid user poeschko from 144.121.28.206 port 6126 ssh2
...

2019-12-03T07:56:35.541686scmdmz1 sshd\[21697\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.185  user=root
2019-12-03T07:56:37.321879scmdmz1 sshd\[21697\]: Failed password for root from 112.85.42.185 port 47498 ssh2
2019-12-03T07:56:39.282295scmdmz1 sshd\[21697\]: Failed password for root from 112.85.42.185 port 47498 ssh2
...