Unauthorized connection attempt from IP address 183.82.102.98 on Port 445(SMB)

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srvr1: (mod_security) mod_security (id:942100) triggered by 185.14.251.4 (IQ/-/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/08/21 12:02:59 [error] 482759#0: *840293 [client 185.14.251.4] ModSecurity: Access denied with code 406 (phase 2).  [file "/etc/modsecurity.d/REQUEST-942-APPLICATION-ATTACK-SQLI.conf"] [line "45"] [id "942100"] [rev ""] [msg ""] [redacted] [severity "0"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-sqli"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/152/248/66"] [tag "PCI/6.5.2"] [redacted] [uri "/forum/viewthread.php"] [unique_id "159801137987.153806"] [ref ""], client: 185.14.251.4, [redacted] request: "GET /forum/viewthread.php?thread_id=1122%27+OR+++%275667%27+%3D+%270%27 HTTP/1.1" [redacted]

Unauthorised access (Aug 21) SRC=42.177.53.126 LEN=40 TTL=46 ID=47852 TCP DPT=8080 WINDOW=53910 SYN 
Unauthorised access (Aug 21) SRC=42.177.53.126 LEN=40 TTL=46 ID=17808 TCP DPT=8080 WINDOW=53910 SYN

2020-08-21 06:54:22.872002-0500  localhost smtpd[93110]: NOQUEUE: reject: RCPT from unknown[112.199.95.43]: 554 5.7.1 Service unavailable; Client host [112.199.95.43] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/112.199.95.43; from= to= proto=ESMTP helo=<43.95.199.112.clbrz.static.inet.eastern-tele.com>

Aug 21 15:49:17 IngegnereFirenze sshd[23597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.134.241  user=root
...

2020-08-21 06:52:58.223892-0500  localhost smtpd[92968]: NOQUEUE: reject: RCPT from unknown[190.43.102.200]: 554 5.7.1 Service unavailable; Client host [190.43.102.200] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS / https://www.spamhaus.org/query/ip/190.43.102.200; from= to= proto=ESMTP helo=<[190.43.102.200]>

2020-08-21T11:58:56.140421dmca.cloudsearch.cf sshd[23873]: Invalid user butter from 51.79.84.48 port 55112
2020-08-21T11:58:56.145721dmca.cloudsearch.cf sshd[23873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=vps-6ecbb331.vps.ovh.ca
2020-08-21T11:58:56.140421dmca.cloudsearch.cf sshd[23873]: Invalid user butter from 51.79.84.48 port 55112
2020-08-21T11:58:58.086838dmca.cloudsearch.cf sshd[23873]: Failed password for invalid user butter from 51.79.84.48 port 55112 ssh2
2020-08-21T12:02:45.413554dmca.cloudsearch.cf sshd[24016]: Invalid user tf2 from 51.79.84.48 port 36948
2020-08-21T12:02:45.422287dmca.cloudsearch.cf sshd[24016]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=vps-6ecbb331.vps.ovh.ca
2020-08-21T12:02:45.413554dmca.cloudsearch.cf sshd[24016]: Invalid user tf2 from 51.79.84.48 port 36948
2020-08-21T12:02:47.134580dmca.cloudsearch.cf sshd[24016]: Failed password for invalid user tf2 from 51.
...

SSH Brute-Forcing (server1)

Aug 21 19:17:44 vpn01 sshd[28699]: Failed password for root from 118.202.255.141 port 52390 ssh2
...

Aug 21 14:30:19 onepixel sshd[2569195]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.183.181 
Aug 21 14:30:19 onepixel sshd[2569195]: Invalid user arkserver from 54.38.183.181 port 34262
Aug 21 14:30:21 onepixel sshd[2569195]: Failed password for invalid user arkserver from 54.38.183.181 port 34262 ssh2
Aug 21 14:34:23 onepixel sshd[2571840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.183.181  user=root
Aug 21 14:34:25 onepixel sshd[2571840]: Failed password for root from 54.38.183.181 port 43270 ssh2

srvr1: (mod_security) mod_security (id:942100) triggered by 113.53.83.212 (TH/-/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/08/21 12:02:53 [error] 482759#0: *840280 [client 113.53.83.212] ModSecurity: Access denied with code 406 (phase 2).  [file "/etc/modsecurity.d/REQUEST-942-APPLICATION-ATTACK-SQLI.conf"] [line "45"] [id "942100"] [rev ""] [msg ""] [redacted] [severity "0"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-sqli"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/152/248/66"] [tag "PCI/6.5.2"] [redacted] [uri "/forum/viewthread.php"] [unique_id "159801137360.314875"] [ref ""], client: 113.53.83.212, [redacted] request: "GET /forum/viewthread.php?thread_id=1122%27+AND+++%279414%27+%3D+%270%27 HTTP/1.1" [redacted]

srvr1: (mod_security) mod_security (id:942100) triggered by 200.199.148.171 (BR/-/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/08/21 12:02:55 [error] 482759#0: *840283 [client 200.199.148.171] ModSecurity: Access denied with code 406 (phase 2).  [file "/etc/modsecurity.d/REQUEST-942-APPLICATION-ATTACK-SQLI.conf"] [line "45"] [id "942100"] [rev ""] [msg ""] [redacted] [severity "0"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-sqli"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/152/248/66"] [tag "PCI/6.5.2"] [redacted] [uri "/forum/viewthread.php"] [unique_id "159801137536.732755"] [ref ""], client: 200.199.148.171, [redacted] request: "GET /forum/viewthread.php?thread_id=1122%27+AND+++%272797%27+%3D+%272797%27 HTTP/1.1" [redacted]

Port scan: Attack repeated for 24 hours

Unauthorized SSH login attempts