(ftpd) Failed FTP login from 175.0.9.106 (CN/China/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Jun 24 12:32:56 ir1 pure-ftpd: (?@175.0.9.106) [WARNING] Authentication failed for user [hotelavin]

Jun 24 07:16:41 124388 sshd[14050]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.205.13.236
Jun 24 07:16:41 124388 sshd[14050]: Invalid user boy from 173.205.13.236 port 55708
Jun 24 07:16:43 124388 sshd[14050]: Failed password for invalid user boy from 173.205.13.236 port 55708 ssh2
Jun 24 07:19:59 124388 sshd[14286]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.205.13.236  user=root
Jun 24 07:20:01 124388 sshd[14286]: Failed password for root from 173.205.13.236 port 53531 ssh2

Port scan on 1 port(s): 445

[2020-06-24 07:03:23] NOTICE[1273] chan_sip.c: Registration from '"355" ' failed for '185.53.88.236:6106' - Wrong password
[2020-06-24 07:03:23] SECURITY[1288] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-24T07:03:23.462-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="355",SessionID="0x7f31c05e9da8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.236/6106",Challenge="62e0905d",ReceivedChallenge="62e0905d",ReceivedHash="0362750170224c159d807a9e0e6dff44"
[2020-06-24 07:03:23] NOTICE[1273] chan_sip.c: Registration from '"355" ' failed for '185.53.88.236:6106' - Wrong password
[2020-06-24 07:03:23] SECURITY[1288] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-24T07:03:23.605-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="355",SessionID="0x7f31c02f97a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.8
...

06/24/2020-05:31:11.584226 52.73.169.169 Protocol: 17 ET CINS Active Threat Intelligence Poor Reputation IP group 52

Unauthorized connection attempt detected from IP address 114.224.43.88 to port 23

firewall-block, port(s): 23/tcp

 TCP (SYN) 79.124.62.82:44747 -> port 23388, len 44

srv02 Mass scanning activity detected Target: 17134  ..

Jun 24 09:45:43 nextcloud sshd\[13653\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.134.89.199  user=elasticsearch
Jun 24 09:45:46 nextcloud sshd\[13653\]: Failed password for elasticsearch from 183.134.89.199 port 50366 ssh2
Jun 24 09:49:28 nextcloud sshd\[18331\]: Invalid user uftp from 183.134.89.199
Jun 24 09:49:28 nextcloud sshd\[18331\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.134.89.199

Unauthorized connection attempt SSH Traffic

(mod_security) mod_security (id:210730) triggered by 103.131.71.96 (VN/Vietnam/bot-103-131-71-96.coccoc.com): 5 in the last 3600 secs

Rude login attack (39 tries in 1d)

[2020-06-24 05:39:08] NOTICE[1273][C-00004438] chan_sip.c: Call from '' (103.145.12.167:54477) to extension '01146812410383' rejected because extension not found in context 'public'.
[2020-06-24 05:39:08] SECURITY[1288] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-24T05:39:08.175-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01146812410383",SessionID="0x7f31c02adcc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.145.12.167/54477",ACLName="no_extension_match"
[2020-06-24 05:43:05] NOTICE[1273][C-0000443d] chan_sip.c: Call from '' (103.145.12.167:53505) to extension '901146812410383' rejected because extension not found in context 'public'.
[2020-06-24 05:43:05] SECURITY[1288] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-24T05:43:05.292-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="901146812410383",SessionID="0x7f31c02f97a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

 TCP (SYN) 79.124.62.118:45064 -> port 13389, len 44