Fail2Ban - HTTP Auth Bruteforce Attempt

2020-06-15T16:31:50+0200 Failed SSH Authentication/Brute Force Attack. (Server 9)

Jun 14 03:32:07 ny01 sshd[29147]: Failed password for root from 121.200.55.37 port 36494 ssh2
Jun 14 03:35:11 ny01 sshd[29509]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.200.55.37
Jun 14 03:35:12 ny01 sshd[29509]: Failed password for invalid user r00t from 121.200.55.37 port 53156 ssh2

May 28 23:09:52 mout sshd[32706]: Invalid user alin from 121.200.55.37 port 58452

May 28 08:15:19 NPSTNNYC01T sshd[16041]: Failed password for root from 121.200.55.37 port 54764 ssh2
May 28 08:19:43 NPSTNNYC01T sshd[16407]: Failed password for root from 121.200.55.37 port 33082 ssh2
...

Invalid user hargreaves from 121.200.55.37 port 45930

Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)

May 20 15:59:52 ip-172-31-61-156 sshd[11268]: Invalid user ip from 121.200.55.37
May 20 15:59:54 ip-172-31-61-156 sshd[11268]: Failed password for invalid user ip from 121.200.55.37 port 53916 ssh2
May 20 15:59:52 ip-172-31-61-156 sshd[11268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.200.55.37
May 20 15:59:52 ip-172-31-61-156 sshd[11268]: Invalid user ip from 121.200.55.37
May 20 15:59:54 ip-172-31-61-156 sshd[11268]: Failed password for invalid user ip from 121.200.55.37 port 53916 ssh2
...

May  1 15:44:41 nextcloud sshd\[14056\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.200.55.37  user=root
May  1 15:44:43 nextcloud sshd\[14056\]: Failed password for root from 121.200.55.37 port 33784 ssh2
May  1 15:52:18 nextcloud sshd\[24104\]: Invalid user ftp_user from 121.200.55.37

Apr 19 21:04:21 vlre-nyc-1 sshd\[2355\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.200.55.39  user=root
Apr 19 21:04:22 vlre-nyc-1 sshd\[2355\]: Failed password for root from 121.200.55.39 port 51688 ssh2
Apr 19 21:09:17 vlre-nyc-1 sshd\[2496\]: Invalid user ss from 121.200.55.39
Apr 19 21:09:17 vlre-nyc-1 sshd\[2496\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.200.55.39
Apr 19 21:09:18 vlre-nyc-1 sshd\[2496\]: Failed password for invalid user ss from 121.200.55.39 port 43706 ssh2
...

Apr 12 11:03:44 ift sshd\[7856\]: Failed password for root from 121.200.55.37 port 59592 ssh2Apr 12 11:05:54 ift sshd\[8483\]: Failed password for root from 121.200.55.37 port 35252 ssh2Apr 12 11:08:00 ift sshd\[8691\]: Failed password for root from 121.200.55.37 port 39552 ssh2Apr 12 11:10:10 ift sshd\[9061\]: Failed password for root from 121.200.55.37 port 43764 ssh2Apr 12 11:12:18 ift sshd\[9223\]: Failed password for root from 121.200.55.37 port 47388 ssh2
...

2020-04-10T21:06:04.969061shield sshd\[29930\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.200.55.37  user=root
2020-04-10T21:06:06.330828shield sshd\[29930\]: Failed password for root from 121.200.55.37 port 55830 ssh2
2020-04-10T21:10:26.214282shield sshd\[31166\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.200.55.37  user=root
2020-04-10T21:10:28.880269shield sshd\[31166\]: Failed password for root from 121.200.55.37 port 36870 ssh2
2020-04-10T21:14:49.839757shield sshd\[32530\]: Invalid user elke from 121.200.55.37 port 46166

$f2bV_matches

(sshd) Failed SSH login from 121.200.55.37 (IN/India/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 27 14:46:22 elude sshd[26975]: Invalid user jialiang from 121.200.55.37 port 50286
Mar 27 14:46:24 elude sshd[26975]: Failed password for invalid user jialiang from 121.200.55.37 port 50286 ssh2
Mar 27 14:52:44 elude sshd[27311]: Invalid user xtq from 121.200.55.37 port 36172
Mar 27 14:52:46 elude sshd[27311]: Failed password for invalid user xtq from 121.200.55.37 port 36172 ssh2
Mar 27 14:56:20 elude sshd[27548]: Invalid user ross from 121.200.55.37 port 37940

Mar 25 13:36:47 xeon sshd[468]: Failed password for invalid user lei from 121.200.55.37 port 44936 ssh2

2020-03-22 23:12:46,349 fail2ban.actions: WARNING [ssh] Ban 121.200.55.37

Nov 27 23:27:46 hpm sshd\[27067\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=244.ip-51-38-186.eu  user=root
Nov 27 23:27:48 hpm sshd\[27067\]: Failed password for root from 51.38.186.244 port 38090 ssh2
Nov 27 23:33:56 hpm sshd\[27537\]: Invalid user ternero from 51.38.186.244
Nov 27 23:33:56 hpm sshd\[27537\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=244.ip-51-38-186.eu
Nov 27 23:33:58 hpm sshd\[27537\]: Failed password for invalid user ternero from 51.38.186.244 port 45920 ssh2

Automatic report - XMLRPC Attack

\[2019-11-28 04:56:58\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-28T04:56:58.873-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="000441254929806",SessionID="0x7f26c4807c58",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/56671",ACLName="no_extension_match"
\[2019-11-28 04:57:17\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-28T04:57:17.235-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441254929806",SessionID="0x7f26c4a90648",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/56495",ACLName="no_extension_match"
\[2019-11-28 04:57:29\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-28T04:57:29.364-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="9441254929806",SessionID="0x7f26c4a5a028",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/54220",ACLName="no_exten

2019-11-28T09:44:36.698862shield sshd\[29989\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.142  user=root
2019-11-28T09:44:39.012950shield sshd\[29989\]: Failed password for root from 222.186.173.142 port 55034 ssh2
2019-11-28T09:44:41.791003shield sshd\[29989\]: Failed password for root from 222.186.173.142 port 55034 ssh2
2019-11-28T09:44:44.987509shield sshd\[29989\]: Failed password for root from 222.186.173.142 port 55034 ssh2
2019-11-28T09:44:48.584754shield sshd\[29989\]: Failed password for root from 222.186.173.142 port 55034 ssh2

Nov 28 10:08:32 mail sshd[19368]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.241.249.53 
Nov 28 10:08:34 mail sshd[19368]: Failed password for invalid user ssh from 192.241.249.53 port 45721 ssh2
Nov 28 10:14:38 mail sshd[22393]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.241.249.53

MultiHost/MultiPort Probe, Scan, Hack -

Nov 28 12:30:01 server sshd\[28451\]: Invalid user poster from 106.13.23.141
Nov 28 12:30:01 server sshd\[28451\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.23.141 
Nov 28 12:30:04 server sshd\[28451\]: Failed password for invalid user poster from 106.13.23.141 port 49792 ssh2
Nov 28 12:44:27 server sshd\[32170\]: Invalid user morielli from 106.13.23.141
Nov 28 12:44:27 server sshd\[32170\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.23.141 
...

Nov 28 02:13:38 TORMINT sshd\[21215\]: Invalid user edu from 175.19.30.46
Nov 28 02:13:38 TORMINT sshd\[21215\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.19.30.46
Nov 28 02:13:40 TORMINT sshd\[21215\]: Failed password for invalid user edu from 175.19.30.46 port 40170 ssh2
...

Nov 28 07:22:59 sbg01 sshd[14383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.153.255
Nov 28 07:23:00 sbg01 sshd[14383]: Failed password for invalid user spam from 51.75.153.255 port 42128 ssh2
Nov 28 07:26:41 sbg01 sshd[14390]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.153.255

Nov 28 10:53:46 relay postfix/smtpd\[31906\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 28 10:53:47 relay postfix/smtpd\[3749\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 28 10:54:32 relay postfix/smtpd\[2693\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 28 10:54:34 relay postfix/smtpd\[3749\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 28 10:55:19 relay postfix/smtpd\[6634\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Automatic report - Port Scan Attack

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(sshd) Failed SSH login from 119.29.147.247 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Nov 28 06:26:36 elude sshd[14019]: Invalid user server from 119.29.147.247 port 39728
Nov 28 06:26:38 elude sshd[14019]: Failed password for invalid user server from 119.29.147.247 port 39728 ssh2
Nov 28 07:18:58 elude sshd[21878]: Invalid user test from 119.29.147.247 port 35332
Nov 28 07:19:01 elude sshd[21878]: Failed password for invalid user test from 119.29.147.247 port 35332 ssh2
Nov 28 07:26:05 elude sshd[22936]: Invalid user wwwadmin from 119.29.147.247 port 40250

Unauthorised access (Nov 28) SRC=93.157.12.5 LEN=52 TTL=113 ID=15399 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov 28) SRC=93.157.12.5 LEN=52 TTL=113 ID=1081 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov 28) SRC=93.157.12.5 LEN=52 TTL=113 ID=28731 DF TCP DPT=445 WINDOW=8192 SYN

Nov 28 06:25:51  postfix/smtpd: warning: unknown[185.162.235.99]: SASL LOGIN authentication failed