(sshd) Failed SSH login from 211.117.71.211 (KR/South Korea/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May 12 23:27:57 ubnt-55d23 sshd[31940]: Invalid user backups from 211.117.71.211 port 46829
May 12 23:27:59 ubnt-55d23 sshd[31940]: Failed password for invalid user backups from 211.117.71.211 port 46829 ssh2

Invalid user victoria from 112.35.130.177 port 34942

May 13 05:59:51 debian-2gb-nbg1-2 kernel: \[11601251.123248\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=59.127.143.190 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=51 ID=44876 PROTO=TCP SPT=62122 DPT=82 WINDOW=1494 RES=0x00 SYN URGP=0

May 13 03:31:09 srv01 sshd[11379]: Invalid user fernandazgouridi from 104.248.122.143 port 47486
May 13 03:31:09 srv01 sshd[11379]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.122.143
May 13 03:31:09 srv01 sshd[11379]: Invalid user fernandazgouridi from 104.248.122.143 port 47486
May 13 03:31:11 srv01 sshd[11379]: Failed password for invalid user fernandazgouridi from 104.248.122.143 port 47486 ssh2
May 13 03:34:51 srv01 sshd[11558]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.122.143  user=root
May 13 03:34:54 srv01 sshd[11558]: Failed password for root from 104.248.122.143 port 56534 ssh2
...

SmallBizIT.US 1 packets to tcp(3389)

$f2bV_matches

"fail2ban match"

[Wed May 13 10:59:53.357676 2020] [:error] [pid 14301:tid 140684900304640] [client 54.36.148.110:46884] [client 54.36.148.110] ModSecurity: Access denied with code 403 (phase 2). Matched phrase "AhrefsBot" at REQUEST_HEADERS:User-Agent. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-913-SCANNER-DETECTION.conf"] [line "183"] [id "913102"] [msg "Found User-Agent associated with web crawler/bot"] [data "Matched Data: AhrefsBot found within REQUEST_HEADERS:User-Agent: mozilla/5.0 (compatible; ahrefsbot/6.1; +http://ahrefs.com/robot/)"] [severity "CRITICAL"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-reputation-crawler"] [tag "OWASP_CRS"] [tag "OWASP_CRS/AUTOMATION/CRAWLER"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [tag "paranoia-level/2"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/index.php/tugas-dan-wilayah-kerja/1528-klimatologi/agroklimatologi/kalender-tanam-katam-terpadu/
...

AbusiveCrawling

May 13 02:36:01 minden010 sshd[11700]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.245.28.144
May 13 02:36:03 minden010 sshd[11700]: Failed password for invalid user user from 203.245.28.144 port 33656 ssh2
May 13 02:41:13 minden010 sshd[14552]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.245.28.144
...

Invalid user jill from 188.112.10.120 port 37912

[2020-05-12 23:59:39] NOTICE[1157] chan_sip.c: Registration from '' failed for '176.67.81.10:58029' - Wrong password
[2020-05-12 23:59:39] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-12T23:59:39.918-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9559",SessionID="0x7f5f106f6af8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/176.67.81.10/58029",Challenge="57682a3c",ReceivedChallenge="57682a3c",ReceivedHash="e19538b87fbd57539cf272a8bb0c8a36"
[2020-05-12 23:59:59] NOTICE[1157] chan_sip.c: Registration from '' failed for '176.67.81.10:51572' - Wrong password
[2020-05-12 23:59:59] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-12T23:59:59.412-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3562",SessionID="0x7f5f103bd0a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/176.67.81.10/515
...

[2020-05-12 21:35:49] NOTICE[1157] chan_sip.c: Registration from '' failed for '40.85.94.235:51062' - Wrong password
[2020-05-12 21:35:49] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-12T21:35:49.388-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="0",SessionID="0x7f5f10905838",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/40.85.94.235/51062",Challenge="12ca26d0",ReceivedChallenge="12ca26d0",ReceivedHash="fc792729fc3ead1d58c91890198b433e"
[2020-05-12 21:35:49] NOTICE[1157] chan_sip.c: Registration from '' failed for '40.85.94.235:51063' - Wrong password
[2020-05-12 21:35:49] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-12T21:35:49.441-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="0",SessionID="0x7f5f106f5588",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/40.85.94.235/51063",Challeng
...

May 13 05:59:49 ArkNodeAT sshd\[18887\]: Invalid user sales from 14.29.214.91
May 13 05:59:49 ArkNodeAT sshd\[18887\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.214.91
May 13 05:59:51 ArkNodeAT sshd\[18887\]: Failed password for invalid user sales from 14.29.214.91 port 44818 ssh2

May 13 05:59:32 web01 sshd[26074]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.132.202 
May 13 05:59:34 web01 sshd[26074]: Failed password for invalid user vbox from 149.56.132.202 port 43950 ssh2
...