2020-06-04 07:49:32 auth_plain authenticator failed for (User) [87.246.7.70]: 535 Incorrect authentication data (set_id=graph@lavrinenko.info)
2020-06-04 07:50:19 auth_plain authenticator failed for (User) [87.246.7.70]: 535 Incorrect authentication data (set_id=graphic@lavrinenko.info)
...

kidness.family 192.141.34.11 [04/Jun/2020:05:57:43 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4265 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36"
kidness.family 192.141.34.11 [04/Jun/2020:05:57:46 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4265 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36"

Jun  4 05:59:34 ncomp sshd[891]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=160.16.61.235  user=root
Jun  4 05:59:36 ncomp sshd[891]: Failed password for root from 160.16.61.235 port 34288 ssh2
Jun  4 06:10:37 ncomp sshd[1179]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=160.16.61.235  user=root
Jun  4 06:10:40 ncomp sshd[1179]: Failed password for root from 160.16.61.235 port 51614 ssh2

Jun  4 06:42:15 vps687878 sshd\[7968\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.23.148.137  user=root
Jun  4 06:42:16 vps687878 sshd\[7968\]: Failed password for root from 198.23.148.137 port 34154 ssh2
Jun  4 06:45:30 vps687878 sshd\[8265\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.23.148.137  user=root
Jun  4 06:45:33 vps687878 sshd\[8265\]: Failed password for root from 198.23.148.137 port 40000 ssh2
Jun  4 06:48:47 vps687878 sshd\[8678\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.23.148.137  user=root
...

$f2bV_matches

REQUESTED PAGE: /wp-json/contact-form-7/v1/contact-forms/4/feedback

(sshd) Failed SSH login from 37.49.226.157 (NL/Netherlands/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jun  4 06:45:20 ubnt-55d23 sshd[21231]: Did not receive identification string from 37.49.226.157 port 49676
Jun  4 06:45:28 ubnt-55d23 sshd[21232]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.157  user=root

Jun  4 02:02:59 firewall sshd[27192]: Failed password for root from 138.197.25.187 port 37962 ssh2
Jun  4 02:06:16 firewall sshd[27279]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.25.187  user=root
Jun  4 02:06:17 firewall sshd[27279]: Failed password for root from 138.197.25.187 port 42006 ssh2
...

Jun  4 07:58:01 lukav-desktop sshd\[19640\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
Jun  4 07:58:03 lukav-desktop sshd\[19640\]: Failed password for root from 103.124.92.184 port 48586 ssh2
Jun  4 08:01:01 lukav-desktop sshd\[19674\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
Jun  4 08:01:03 lukav-desktop sshd\[19674\]: Failed password for root from 103.124.92.184 port 35524 ssh2
Jun  4 08:04:07 lukav-desktop sshd\[19715\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root

Jun  4 06:53:51 hosting sshd[24193]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.71.21.123  user=root
Jun  4 06:53:53 hosting sshd[24193]: Failed password for root from 13.71.21.123 port 1024 ssh2
Jun  4 06:59:04 hosting sshd[25005]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.71.21.123  user=root
Jun  4 06:59:06 hosting sshd[25005]: Failed password for root from 13.71.21.123 port 1024 ssh2
Jun  4 07:03:40 hosting sshd[26131]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.71.21.123  user=root
Jun  4 07:03:42 hosting sshd[26131]: Failed password for root from 13.71.21.123 port 1024 ssh2
...

Telnet Server BruteForce Attack

Distributed mass disguised scraping attack from this ISP servers

REQUESTED PAGE: /wp-json/contact-form-7/v1/contact-forms/4/feedback

[2020-06-04 01:11:33] NOTICE[1288] chan_sip.c: Registration from '' failed for '141.98.10.127:59588' - Wrong password
[2020-06-04 01:11:33] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-04T01:11:33.757-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="Luka",SessionID="0x7f4d7403c148",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/141.98.10.127/59588",Challenge="27001dff",ReceivedChallenge="27001dff",ReceivedHash="ba5ff7076508519dd7aa4abd1808f786"
[2020-06-04 01:13:39] NOTICE[1288] chan_sip.c: Registration from '' failed for '141.98.10.127:60298' - Wrong password
[2020-06-04 01:13:39] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-04T01:13:39.816-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="chou",SessionID="0x7f4d7403c148",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/141.98.10.127
...

Jun  4 06:58:15 hosting sshd[24817]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.255.160.225  user=root
Jun  4 06:58:17 hosting sshd[24817]: Failed password for root from 197.255.160.225 port 23770 ssh2
...