Jul  9 15:27:04 debian-2gb-nbg1-2 kernel: \[16559817.866708\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=138.197.216.120 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=240 ID=44696 PROTO=TCP SPT=47588 DPT=8443 WINDOW=1024 RES=0x00 SYN URGP=0

Masscan Port Scanning Tool Detection

[Tue Apr 14 00:12:31.870741 2020] [:error] [pid 1037:tid 140156611426048] [client 138.197.216.120:61000] [client 138.197.216.120] ModSecurity: Access denied with code 403 (phase 1). Match of "within %{tx.allowed_http_versions}" against "REQUEST_PROTOCOL" required. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "972"] [id "920430"] [msg "HTTP protocol version is not allowed by policy"] [data "HTTP/1.0"] [severity "CRITICAL"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/POLICY/PROTOCOL_NOT_ALLOWED"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A6"] [tag "PCI/6.5.10"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/"] [unique_id "XpSdf8-6y5MyHEKsIkHv7QAAAOE"]
...

firewall-block, port(s): 80/tcp

Detected by Maltrail

Scanning unused Default website or suspicious access to valid sites from IP marked as abusive

Unauthorized connection attempt detected from IP address 138.197.216.120 to port 80 [J]

IP blocked

Nov 28 18:04:36 mc1 kernel: \[6246900.726536\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=138.197.216.120 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=57695 PROTO=TCP SPT=61000 DPT=80 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 28 18:04:40 mc1 kernel: \[6246903.886580\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=138.197.216.120 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=57695 PROTO=TCP SPT=61000 DPT=80 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 28 18:04:43 mc1 kernel: \[6246907.096799\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=138.197.216.120 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=57695 PROTO=TCP SPT=61000 DPT=80 WINDOW=1024 RES=0x00 SYN URGP=0 
...

Detected by Maltrail

The IP 138.197.216.120 has just been banned by Fail2Ban after
3 attempts against apache.

Unauthorised connection attempt detected at AUO MAIN. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)

Oct 11 06:58:59 ajax sshd[29351]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.162 
Oct 11 06:59:02 ajax sshd[29351]: Failed password for invalid user vnc from 138.197.216.162 port 55872 ssh2

(sshd) Failed SSH login from 138.197.216.135 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  4 11:16:42 optimus sshd[23211]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135  user=root
Oct  4 11:16:43 optimus sshd[23211]: Failed password for root from 138.197.216.135 port 45342 ssh2
Oct  4 11:20:31 optimus sshd[24282]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135  user=root
Oct  4 11:20:33 optimus sshd[24282]: Failed password for root from 138.197.216.135 port 51740 ssh2
Oct  4 11:24:11 optimus sshd[25688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135  user=root

Oct  4 09:29:05 onepixel sshd[490332]: Failed password for root from 138.197.216.135 port 40108 ssh2
Oct  4 09:31:02 onepixel sshd[490629]: Invalid user saurabh from 138.197.216.135 port 46082
Oct  4 09:31:02 onepixel sshd[490629]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135 
Oct  4 09:31:02 onepixel sshd[490629]: Invalid user saurabh from 138.197.216.135 port 46082
Oct  4 09:31:04 onepixel sshd[490629]: Failed password for invalid user saurabh from 138.197.216.135 port 46082 ssh2

Invalid user zabbix from 138.197.216.162 port 33422

Sep 29 20:28:50 dhoomketu sshd[3455985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.162 
Sep 29 20:28:50 dhoomketu sshd[3455985]: Invalid user informix from 138.197.216.162 port 50836
Sep 29 20:28:52 dhoomketu sshd[3455985]: Failed password for invalid user informix from 138.197.216.162 port 50836 ssh2
Sep 29 20:30:21 dhoomketu sshd[3456001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.162  user=root
Sep 29 20:30:22 dhoomketu sshd[3456001]: Failed password for root from 138.197.216.162 port 37730 ssh2
...

Sep 29 03:46:30 hell sshd[5598]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.162
Sep 29 03:46:32 hell sshd[5598]: Failed password for invalid user solaris from 138.197.216.162 port 34338 ssh2
...

(sshd) Failed SSH login from 138.197.216.135 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 22 02:17:32 server2 sshd[5928]: Invalid user jd from 138.197.216.135
Sep 22 02:17:32 server2 sshd[5928]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135 
Sep 22 02:17:33 server2 sshd[5928]: Failed password for invalid user jd from 138.197.216.135 port 53806 ssh2
Sep 22 02:29:28 server2 sshd[23893]: Invalid user edi from 138.197.216.135
Sep 22 02:29:28 server2 sshd[23893]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135

Invalid user sage from 138.197.216.135 port 46366

Sep 11 12:52:52 eventyay sshd[31766]: Failed password for root from 138.197.216.135 port 33012 ssh2
Sep 11 12:57:00 eventyay sshd[31853]: Failed password for root from 138.197.216.135 port 46950 ssh2
...

Aug 25 18:54:59 [host] sshd[21526]: Invalid user t
Aug 25 18:54:59 [host] sshd[21526]: pam_unix(sshd:
Aug 25 18:55:01 [host] sshd[21526]: Failed passwor

Aug 21 08:33:27 rancher-0 sshd[1190291]: Invalid user student from 138.197.216.135 port 41526
...

Aug 18 16:49:37 ns382633 sshd\[26886\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135  user=root
Aug 18 16:49:39 ns382633 sshd\[26886\]: Failed password for root from 138.197.216.135 port 36358 ssh2
Aug 18 17:04:15 ns382633 sshd\[29674\]: Invalid user noemi from 138.197.216.135 port 50108
Aug 18 17:04:15 ns382633 sshd\[29674\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.216.135
Aug 18 17:04:18 ns382633 sshd\[29674\]: Failed password for invalid user noemi from 138.197.216.135 port 50108 ssh2

2020-08-17T22:26:48+0200 Failed SSH Authentication/Brute Force Attack. (Server 9)

445/tcp
[2019-09-30]1pkt

Sep 30 06:40:13 dev0-dcde-rnet sshd[949]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.113.190
Sep 30 06:40:15 dev0-dcde-rnet sshd[949]: Failed password for invalid user angie from 107.170.113.190 port 59680 ssh2
Sep 30 06:56:46 dev0-dcde-rnet sshd[1099]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.113.190

Sep 29 19:43:46 hiderm sshd\[22152\]: Invalid user stupid from 187.216.127.147
Sep 29 19:43:46 hiderm sshd\[22152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.216.127.147
Sep 29 19:43:48 hiderm sshd\[22152\]: Failed password for invalid user stupid from 187.216.127.147 port 54512 ssh2
Sep 29 19:48:34 hiderm sshd\[22504\]: Invalid user mapruser from 187.216.127.147
Sep 29 19:48:34 hiderm sshd\[22504\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.216.127.147

Sep 30 08:01:51 MK-Soft-Root2 sshd[27284]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.200.85 
Sep 30 08:01:53 MK-Soft-Root2 sshd[27284]: Failed password for invalid user caonimade from 129.204.200.85 port 44625 ssh2
...

Sep 30 07:31:34 vps01 sshd[5945]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.1.134.41
Sep 30 07:31:36 vps01 sshd[5945]: Failed password for invalid user ax400 from 58.1.134.41 port 39991 ssh2

Automatic report - Banned IP Access

Sep 30 07:17:17 OPSO sshd\[8403\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.202  user=root
Sep 30 07:17:19 OPSO sshd\[8403\]: Failed password for root from 222.186.175.202 port 7184 ssh2
Sep 30 07:17:23 OPSO sshd\[8403\]: Failed password for root from 222.186.175.202 port 7184 ssh2
Sep 30 07:17:28 OPSO sshd\[8403\]: Failed password for root from 222.186.175.202 port 7184 ssh2
Sep 30 07:17:32 OPSO sshd\[8403\]: Failed password for root from 222.186.175.202 port 7184 ssh2

Unauthorised access (Sep 30) SRC=106.111.183.205 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=18166 TCP DPT=8080 WINDOW=7012 SYN

139/tcp
[2019-09-30]1pkt

Sep 29 19:45:49 aiointranet sshd\[9739\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.209.255  user=backup
Sep 29 19:45:51 aiointranet sshd\[9739\]: Failed password for backup from 167.71.209.255 port 53174 ssh2
Sep 29 19:52:17 aiointranet sshd\[10321\]: Invalid user soporte from 167.71.209.255
Sep 29 19:52:17 aiointranet sshd\[10321\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.209.255
Sep 29 19:52:19 aiointranet sshd\[10321\]: Failed password for invalid user soporte from 167.71.209.255 port 32784 ssh2

Sep 30 07:44:12 mail sshd\[6467\]: Invalid user Password from 112.170.72.170 port 41980
Sep 30 07:44:12 mail sshd\[6467\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.170.72.170
Sep 30 07:44:14 mail sshd\[6467\]: Failed password for invalid user Password from 112.170.72.170 port 41980 ssh2
Sep 30 07:49:22 mail sshd\[7204\]: Invalid user sergey from 112.170.72.170 port 54630
Sep 30 07:49:22 mail sshd\[7204\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.170.72.170

Sep 30 05:54:06 dedicated sshd[4595]: Failed password for sshd from 3.17.72.167 port 51368 ssh2
Sep 30 05:57:50 dedicated sshd[5035]: Invalid user ftpuser from 3.17.72.167 port 36562
Sep 30 05:57:50 dedicated sshd[5035]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=3.17.72.167
Sep 30 05:57:50 dedicated sshd[5035]: Invalid user ftpuser from 3.17.72.167 port 36562
Sep 30 05:57:51 dedicated sshd[5035]: Failed password for invalid user ftpuser from 3.17.72.167 port 36562 ssh2

Sep 30 05:53:52 game-panel sshd[22937]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.108.149
Sep 30 05:53:53 game-panel sshd[22937]: Failed password for invalid user ftptest1 from 132.232.108.149 port 60790 ssh2
Sep 30 05:59:24 game-panel sshd[23124]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.108.149

\[2019-09-30 01:17:53\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '77.247.110.203:55999' - Wrong password
\[2019-09-30 01:17:53\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-30T01:17:53.069-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="333333333",SessionID="0x7f1e1c129868",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.110.203/55999",Challenge="527734fb",ReceivedChallenge="527734fb",ReceivedHash="0cf483d1133a119890c6334ed74ef0e5"
\[2019-09-30 01:18:30\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '77.247.110.203:64170' - Wrong password
\[2019-09-30 01:18:30\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-30T01:18:30.758-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="334444444",SessionID="0x7f1e1c129868",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD

Automatic report - Port Scan Attack