\[2019-07-31 20:50:39\] NOTICE\[5713\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '185.93.2.121:3742' \(callid: 1347823597-307183745-927654182\) - Failed to authenticate
\[2019-07-31 20:50:39\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-31T20:50:39.136+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1347823597-307183745-927654182",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/185.93.2.121/3742",Challenge="1564599039/c20d5f597204cd602d22356f70fdef66",Response="d09ce9e3414883936f656599c8a0cf24",ExpectedResponse=""
\[2019-07-31 20:50:39\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '185.93.2.121:3742' \(callid: 1347823597-307183745-927654182\) - Failed to authenticate
\[2019-07-31 20:50:39\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFaile

Probing for paths and vulnerable files.

...

Automatic report - Port Scan Attack

Potential Directory Traversal Attempt.

Potential Directory Traversal Attempt.

email spam

$f2bV_matches

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/185.93.240.50/ 
 
 PL - 1H : (141)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : PL 
 NAME ASN : ASN199341 
 
 IP : 185.93.240.50 
 
 CIDR : 185.93.240.0/23 
 
 PREFIX COUNT : 2 
 
 UNIQUE IP COUNT : 768 
 
 
 ATTACKS DETECTED ASN199341 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-11-04 15:33:27 
 
 INFO : Server 403 - Looking for resource vulnerabilities Detected and Blocked by ADMIN  - data recovery

/wp-content/themes/satoshi/upload-file.php

Trying to authenticate to my phone servers....

\[2019-09-09 13:09:33\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.107:4031' - Wrong password
\[2019-09-09 13:09:33\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-09T13:09:33.268-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1800",SessionID="0x7fd9a8585a18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.107/59211",Challenge="49d12a56",ReceivedChallenge="49d12a56",ReceivedHash="534ce75d07e1010d0067cdbf4825c60d"
\[2019-09-09 13:09:47\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.107:4005' - Wrong password
\[2019-09-09 13:09:47\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-09T13:09:47.809-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1801",SessionID="0x7fd9a84259e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.107/5

\[2019-09-07 18:57:27\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3095' - Wrong password
\[2019-09-07 18:57:27\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-07T18:57:27.712-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1047",SessionID="0x7fd9a81ef8c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/58698",Challenge="71844197",ReceivedChallenge="71844197",ReceivedHash="1c7abb35a691e3cdc27d9f139e78bd08"
\[2019-09-07 18:57:59\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3176' - Wrong password
\[2019-09-07 18:57:59\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-07T18:57:59.694-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6035",SessionID="0x7fd9a8123cd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/6

\[2019-09-06 11:15:44\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3102' - Wrong password
\[2019-09-06 11:15:44\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-06T11:15:44.759-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7714",SessionID="0x7fd9a8123d68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/50116",Challenge="6825abcd",ReceivedChallenge="6825abcd",ReceivedHash="5acd617ecf318337a02562fcf997f51f"
\[2019-09-06 11:16:18\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3075' - Wrong password
\[2019-09-06 11:16:18\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-06T11:16:18.542-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="8872",SessionID="0x7fd9a8197648",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/6

\[2019-09-06 09:27:14\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3170' - Wrong password
\[2019-09-06 09:27:14\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-06T09:27:14.146-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7024",SessionID="0x7fd9a8197648",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/61665",Challenge="6853dd65",ReceivedChallenge="6853dd65",ReceivedHash="f4ded4212337ca2b549e3bcafe663712"
\[2019-09-06 09:27:47\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3070' - Wrong password
\[2019-09-06 09:27:47\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-06T09:27:47.778-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6460",SessionID="0x7fd9a8197648",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/5

\[2019-09-04 02:43:07\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3197' - Wrong password
\[2019-09-04 02:43:07\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-04T02:43:07.461-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4896",SessionID="0x7f7b30086e68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/61027",Challenge="36963853",ReceivedChallenge="36963853",ReceivedHash="e3e82f2ca29ae53dc7530b9229408cc8"
\[2019-09-04 02:43:40\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '185.93.2.120:3076' - Wrong password
\[2019-09-04 02:43:40\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-04T02:43:40.203-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3626",SessionID="0x7f7b30086e68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.93.2.120/5

2019-12-10T14:52:26.927906abusebot-6.cloudsearch.cf sshd\[27215\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.228.188.22  user=root

Fail2Ban Ban Triggered

Dec 10 07:12:41 web1 sshd\[19697\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.247.33.61  user=root
Dec 10 07:12:43 web1 sshd\[19697\]: Failed password for root from 23.247.33.61 port 57618 ssh2
Dec 10 07:18:51 web1 sshd\[20359\]: Invalid user gdm from 23.247.33.61
Dec 10 07:18:51 web1 sshd\[20359\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.247.33.61
Dec 10 07:18:53 web1 sshd\[20359\]: Failed password for invalid user gdm from 23.247.33.61 port 37096 ssh2

Dec 10 11:02:21 dallas01 sshd[16354]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.123.111
Dec 10 11:02:23 dallas01 sshd[16354]: Failed password for invalid user gdm from 178.128.123.111 port 48106 ssh2
Dec 10 11:10:47 dallas01 sshd[18122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.123.111

Dec 10 14:52:33 marvibiene sshd[8241]: Invalid user ubnt from 114.79.2.167 port 63063
Dec 10 14:52:33 marvibiene sshd[8241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.79.2.167
Dec 10 14:52:33 marvibiene sshd[8241]: Invalid user ubnt from 114.79.2.167 port 63063
Dec 10 14:52:36 marvibiene sshd[8241]: Failed password for invalid user ubnt from 114.79.2.167 port 63063 ssh2
...

Automatic report - Port Scan Attack

--- report ---
Dec 10 13:51:09 sshd: Connection from 121.12.87.205 port 43160
Dec 10 13:51:11 sshd: Invalid user wwwadmin from 121.12.87.205
Dec 10 13:51:11 sshd: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.12.87.205
Dec 10 13:51:14 sshd: Failed password for invalid user wwwadmin from 121.12.87.205 port 43160 ssh2
Dec 10 13:51:14 sshd: Received disconnect from 121.12.87.205: 11: Bye Bye [preauth]

Dec 10 17:46:06 legacy sshd[13278]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.189.63.82
Dec 10 17:46:08 legacy sshd[13278]: Failed password for invalid user bashnie from 187.189.63.82 port 55532 ssh2
Dec 10 17:52:07 legacy sshd[13591]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.189.63.82
...

SSH Brute Force

Dec 10 07:12:35 web1 sshd\[19681\]: Invalid user carlis from 81.201.60.150
Dec 10 07:12:35 web1 sshd\[19681\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.201.60.150
Dec 10 07:12:38 web1 sshd\[19681\]: Failed password for invalid user carlis from 81.201.60.150 port 45545 ssh2
Dec 10 07:17:54 web1 sshd\[20231\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.201.60.150  user=games
Dec 10 07:17:57 web1 sshd\[20231\]: Failed password for games from 81.201.60.150 port 49263 ssh2

port scan and connect, tcp 80 (http)

web-1 [ssh] SSH Attack

Dec 10 17:44:15 eventyay sshd[31177]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.18.139.201
Dec 10 17:44:17 eventyay sshd[31177]: Failed password for invalid user 123456 from 182.18.139.201 port 40292 ssh2
Dec 10 17:50:52 eventyay sshd[31375]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.18.139.201
...

Dec 10 18:01:54 v22018076622670303 sshd\[17231\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.147.210.4  user=games
Dec 10 18:01:56 v22018076622670303 sshd\[17231\]: Failed password for games from 119.147.210.4 port 21332 ssh2
Dec 10 18:10:59 v22018076622670303 sshd\[17417\]: Invalid user acker from 119.147.210.4 port 53597
Dec 10 18:10:59 v22018076622670303 sshd\[17417\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.147.210.4
...

12/10/2019-15:52:28.106857 120.192.150.234 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433