detected by Fail2Ban

\[2019-07-02 12:20:44\] NOTICE\[4808\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '5.62.19.38:2704' \(callid: 31157255-158441753-1837956550\) - Failed to authenticate
\[2019-07-02 12:20:44\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-02T12:20:44.687+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="31157255-158441753-1837956550",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/5.62.19.38/2704",Challenge="1562062844/5eabb610bb6f336a24d8166adb21b86a",Response="dd4b5c9f85b6960a8060e15118d5d9ac",ExpectedResponse=""
\[2019-07-02 12:20:44\] NOTICE\[11540\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '5.62.19.38:2704' \(callid: 31157255-158441753-1837956550\) - Failed to authenticate
\[2019-07-02 12:20:44\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV=

SMB Server BruteForce Attack

Jul  1 01:01:16 localhost sshd[1544]: Did not receive identification string from 89.36.208.136 port 53530
Jul  1 01:03:36 localhost sshd[1547]: Invalid user ghostname from 89.36.208.136 port 48500
Jul  1 01:03:36 localhost sshd[1547]: Received disconnect from 89.36.208.136 port 48500:11: Normal Shutdown, Thank you for playing [preauth]
Jul  1 01:03:36 localhost sshd[1547]: Disconnected from 89.36.208.136 port 48500 [preauth]
Jul  1 01:04:07 localhost sshd[1552]: Invalid user test from 89.36.208.136 port 36170
Jul  1 01:04:07 localhost sshd[1552]: Received disconnect from 89.36.208.136 port 36170:11: Normal Shutdown, Thank you for playing [preauth]
Jul  1 01:04:07 localhost sshd[1552]: Disconnected from 89.36.208.136 port 36170 [preauth]
Jul  1 01:04:36 localhost sshd[1556]: Invalid user user from 89.36.208.136 port 52060
Jul  1 01:04:36 localhost sshd[1556]: Received disconnect from 89.36.208.136 port 52060:11: Normal Shutdown, Thank you for playing [preauth]
Jul  1 01:........
-------------------------------

Jan 18 02:46:07 motanud sshd\[28697\]: Invalid user guest from 118.24.14.220 port 47088
Jan 18 02:46:07 motanud sshd\[28697\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.14.220
Jan 18 02:46:09 motanud sshd\[28697\]: Failed password for invalid user guest from 118.24.14.220 port 47088 ssh2

2019-07-02T10:13:40.3047231240 sshd\[30510\]: Invalid user magnifik from 118.24.123.153 port 56116
2019-07-02T10:13:40.3098081240 sshd\[30510\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.123.153
2019-07-02T10:13:42.8823891240 sshd\[30510\]: Failed password for invalid user magnifik from 118.24.123.153 port 56116 ssh2
...

SSH Bruteforce

Mar  2 01:56:49 motanud sshd\[18730\]: Invalid user la from 118.24.102.248 port 40468
Mar  2 01:56:49 motanud sshd\[18730\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.102.248
Mar  2 01:56:51 motanud sshd\[18730\]: Failed password for invalid user la from 118.24.102.248 port 40468 ssh2

Jan  3 03:17:09 motanud sshd\[32553\]: Invalid user jana from 118.24.118.100 port 57594
Jan  3 03:17:09 motanud sshd\[32553\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.118.100
Jan  3 03:17:11 motanud sshd\[32553\]: Failed password for invalid user jana from 118.24.118.100 port 57594 ssh2

Jul  2 13:07:48 vps647732 sshd[20010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.186.123.91
Jul  2 13:07:51 vps647732 sshd[20010]: Failed password for invalid user pr from 37.186.123.91 port 56752 ssh2
...

Jul  2 05:02:34 localhost sshd\[11033\]: Invalid user alvin from 221.214.74.10 port 2176
Jul  2 05:02:34 localhost sshd\[11033\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.214.74.10
...

Automatic report - Web App Attack

Feb 23 06:51:39 motanud sshd\[10757\]: Invalid user test from 118.24.117.153 port 52540
Feb 23 06:51:39 motanud sshd\[10757\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.117.153
Feb 23 06:51:41 motanud sshd\[10757\]: Failed password for invalid user test from 118.24.117.153 port 52540 ssh2

Jul  2 12:25:56 minden010 sshd[32735]: Failed password for root from 153.36.242.114 port 11793 ssh2
Jul  2 12:26:07 minden010 sshd[322]: Failed password for root from 153.36.242.114 port 36492 ssh2
...

Jul  1 15:42:01 econome sshd[13109]: reveeclipse mapping checking getaddrinfo for 227.136.88.117.broad.nj.js.dynamic.163data.com.cn [117.88.136.227] failed - POSSIBLE BREAK-IN ATTEMPT!
Jul  1 15:42:01 econome sshd[13109]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.88.136.227  user=r.r
Jul  1 15:42:03 econome sshd[13109]: Failed password for r.r from 117.88.136.227 port 34977 ssh2
Jul  1 15:42:05 econome sshd[13109]: Failed password for r.r from 117.88.136.227 port 34977 ssh2
Jul  1 15:42:07 econome sshd[13109]: Failed password for r.r from 117.88.136.227 port 34977 ssh2
Jul  1 15:42:10 econome sshd[13109]: Failed password for r.r from 117.88.136.227 port 34977 ssh2
Jul  1 15:42:12 econome sshd[13109]: Failed password for r.r from 117.88.136.227 port 34977 ssh2
Jul  1 15:42:14 econome sshd[13109]: Failed password for r.r from 117.88.136.227 port 34977 ssh2
Jul  1 15:42:14 econome sshd[13109]: Disconnecting: Too many authen........
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