2020-02-28T22:56:25.800389vps773228.ovh.net sshd[18345]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.240.10
2020-02-28T22:56:25.782727vps773228.ovh.net sshd[18345]: Invalid user angel from 181.48.240.10 port 33786
2020-02-28T22:56:27.521244vps773228.ovh.net sshd[18345]: Failed password for invalid user angel from 181.48.240.10 port 33786 ssh2
2020-02-28T23:57:16.392425vps773228.ovh.net sshd[18787]: Invalid user tomcat7 from 181.48.240.10 port 50360
2020-02-28T23:57:16.403425vps773228.ovh.net sshd[18787]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.240.10
2020-02-28T23:57:16.392425vps773228.ovh.net sshd[18787]: Invalid user tomcat7 from 181.48.240.10 port 50360
2020-02-28T23:57:18.675930vps773228.ovh.net sshd[18787]: Failed password for invalid user tomcat7 from 181.48.240.10 port 50360 ssh2
2020-02-29T00:07:36.070559vps773228.ovh.net sshd[18887]: Invalid user cashier from 181.48.240.10
...

[2020-02-28 19:18:38] NOTICE[1148] chan_sip.c: Registration from '"663" ' failed for '185.53.88.44:5417' - Wrong password
[2020-02-28 19:18:38] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-28T19:18:38.307-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="663",SessionID="0x7fd82c6c07b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.44/5417",Challenge="2dd725f3",ReceivedChallenge="2dd725f3",ReceivedHash="85943de243be61ca877e5d9269161de9"
[2020-02-28 19:18:38] NOTICE[1148] chan_sip.c: Registration from '"663" ' failed for '185.53.88.44:5417' - Wrong password
[2020-02-28 19:18:38] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-28T19:18:38.417-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="663",SessionID="0x7fd82c81c298",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.4
...

Feb 29 00:17:12 grey postfix/smtpd\[19820\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.160\]: 554 5.7.1 Service unavailable\; Client host \[185.143.223.160\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[185.143.223.160\]\; from=\<413iz1r96mxo4@sepulvedatransport.com\> to=\ proto=ESMTP helo=\<\[185.143.223.170\]\>Feb 29 00:17:12 grey postfix/smtpd\[19820\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.160\]: 554 5.7.1 Service unavailable\; Client host \[185.143.223.160\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[185.143.223.160\]\; from=\<413iz1r96mxo4@sepulvedatransport.com\> to=\ proto=ESMTP helo=\<\[185.143.223.170\]\>Feb 29 00:17:12 grey postfix/smtpd\[19820\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.160\]: 554 5.7.1 Service unavailable\; Client host \[185.143.223.160\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[185.143.223.160\]\; from=\<413iz1r96mxo4@
...

Telnet Server BruteForce Attack

Invalid user aaron from 106.12.102.160 port 39066

Feb 29 00:58:26 vps647732 sshd[9200]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.225.121.25
Feb 29 00:58:27 vps647732 sshd[9200]: Failed password for invalid user git from 54.225.121.25 port 55095 ssh2
...

Feb 29 00:18:52 marvibiene sshd[29749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.145  user=root
Feb 29 00:18:55 marvibiene sshd[29749]: Failed password for root from 222.186.30.145 port 15557 ssh2
Feb 29 00:18:57 marvibiene sshd[29749]: Failed password for root from 222.186.30.145 port 15557 ssh2
Feb 29 00:18:52 marvibiene sshd[29749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.145  user=root
Feb 29 00:18:55 marvibiene sshd[29749]: Failed password for root from 222.186.30.145 port 15557 ssh2
Feb 29 00:18:57 marvibiene sshd[29749]: Failed password for root from 222.186.30.145 port 15557 ssh2
...

MultiHost/MultiPort Probe, Scan, Hack -

Feb 29 01:17:31 legacy sshd[1266]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.104
Feb 29 01:17:33 legacy sshd[1266]: Failed password for invalid user admin from 92.63.194.104 port 38543 ssh2
Feb 29 01:17:44 legacy sshd[1279]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.104
...

IP attempted unauthorised action

1582926992 - 02/28/2020 22:56:32 Host: 171.224.180.175/171.224.180.175 Port: 445 TCP Blocked

$f2bV_matches

[2020-02-28 18:39:36] NOTICE[1148][C-0000cd26] chan_sip.c: Call from '' (103.253.42.44:61668) to extension '0001546812400424' rejected because extension not found in context 'public'.
[2020-02-28 18:39:36] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-02-28T18:39:36.925-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0001546812400424",SessionID="0x7fd82c4d9f48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.253.42.44/61668",ACLName="no_extension_match"
[2020-02-28 18:48:51] NOTICE[1148][C-0000cd32] chan_sip.c: Call from '' (103.253.42.44:56104) to extension '0002146812400424' rejected because extension not found in context 'public'.
[2020-02-28 18:48:51] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-02-28T18:48:51.751-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0002146812400424",SessionID="0x7fd82c4d9f48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/
...

1582927017 - 02/28/2020 22:56:57 Host: 189.189.248.100/189.189.248.100 Port: 445 TCP Blocked

Feb 28 19:05:47 plusreed sshd[14635]: Invalid user git from 5.135.253.172
...