Dec 23 22:40:16 thevastnessof sshd[7334]: Failed password for root from 218.92.0.175 port 37724 ssh2
...

\[2019-12-23 18:08:40\] NOTICE\[2839\] chan_sip.c: Registration from '"704"\' failed for '212.129.30.110:5263' - Wrong password
\[2019-12-23 18:08:40\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-23T18:08:40.775-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="704",SessionID="0x7f0fb40aad28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.129.30.110/5263",Challenge="630cb213",ReceivedChallenge="630cb213",ReceivedHash="86e93070005420c3e68651c40747466a"
\[2019-12-23 18:08:43\] NOTICE\[2839\] chan_sip.c: Registration from '"705"\' failed for '212.129.30.110:5320' - Wrong password
\[2019-12-23 18:08:43\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-23T18:08:43.435-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="705",SessionID="0x7f0fb4a5a908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212

web-1 [ssh_2] SSH Attack

Dec 23 23:48:03 localhost postfix/smtpd\[23616\]: warning: unknown\[121.236.158.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 23 23:48:11 localhost postfix/smtpd\[24005\]: warning: unknown\[121.236.158.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 23 23:48:23 localhost postfix/smtpd\[24923\]: warning: unknown\[121.236.158.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 23 23:48:38 localhost postfix/smtpd\[23616\]: warning: unknown\[121.236.158.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 23 23:48:46 localhost postfix/smtpd\[24047\]: warning: unknown\[121.236.158.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

2019-12-23T22:47:03.243006shield sshd\[22950\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.225.126  user=root
2019-12-23T22:47:04.944984shield sshd\[22950\]: Failed password for root from 181.48.225.126 port 48256 ssh2
2019-12-23T22:49:10.031830shield sshd\[23144\]: Invalid user kuoliang from 181.48.225.126 port 42590
2019-12-23T22:49:10.036430shield sshd\[23144\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.225.126
2019-12-23T22:49:11.838873shield sshd\[23144\]: Failed password for invalid user kuoliang from 181.48.225.126 port 42590 ssh2

Dec 24 04:30:59 areeb-Workstation sshd[20703]: Failed password for root from 222.186.42.4 port 61926 ssh2
Dec 24 04:31:20 areeb-Workstation sshd[20703]: error: maximum authentication attempts exceeded for root from 222.186.42.4 port 61926 ssh2 [preauth]
...

Dec 24 01:40:45 server sshd\[25367\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host230.200-117-185.telecom.net.ar  user=root
Dec 24 01:40:47 server sshd\[25367\]: Failed password for root from 200.117.185.230 port 16129 ssh2
Dec 24 01:48:43 server sshd\[27108\]: Invalid user sueraya from 200.117.185.230
Dec 24 01:48:43 server sshd\[27108\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host230.200-117-185.telecom.net.ar 
Dec 24 01:48:45 server sshd\[27108\]: Failed password for invalid user sueraya from 200.117.185.230 port 23809 ssh2
...

Dec 23 23:36:11 srv1 sshd[23515]: Invalid user ching from 163.172.49.106
Dec 23 23:36:13 srv1 sshd[23515]: Failed password for invalid user ching from 163.172.49.106 port 49250 ssh2
Dec 23 23:38:32 srv1 sshd[25495]: Invalid user howden from 163.172.49.106
Dec 23 23:38:34 srv1 sshd[25495]: Failed password for invalid user howden from 163.172.49.106 port 35886 ssh2
Dec 23 23:39:25 srv1 sshd[25992]: Invalid user sabrino from 163.172.49.106


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=163.172.49.106

Dec 23 19:53:55 firewall sshd[24627]: Failed password for root from 222.186.173.154 port 6474 ssh2
Dec 23 19:54:07 firewall sshd[24627]: error: maximum authentication attempts exceeded for root from 222.186.173.154 port 6474 ssh2 [preauth]
Dec 23 19:54:07 firewall sshd[24627]: Disconnecting: Too many authentication failures [preauth]
...

fail2ban - Attack against Apache (too many 404s)

Automatic report - Banned IP Access

Dec 23 22:42:36 hcbbdb sshd\[10667\]: Invalid user sasha from 186.153.138.2
Dec 23 22:42:36 hcbbdb sshd\[10667\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.153.138.2
Dec 23 22:42:39 hcbbdb sshd\[10667\]: Failed password for invalid user sasha from 186.153.138.2 port 42462 ssh2
Dec 23 22:49:15 hcbbdb sshd\[11342\]: Invalid user souren from 186.153.138.2
Dec 23 22:49:15 hcbbdb sshd\[11342\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.153.138.2

Dec 23 23:45:19 localhost sshd\[5026\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.249.6  user=root
Dec 23 23:45:21 localhost sshd\[5026\]: Failed password for root from 107.170.249.6 port 38409 ssh2
Dec 23 23:48:58 localhost sshd\[5402\]: Invalid user YIWANG2000 from 107.170.249.6 port 52127

$f2bV_matches

Lines containing failures of 136.32.156.194
Dec 23 23:27:53 shared12 sshd[9280]: Invalid user jilda from 136.32.156.194 port 58242
Dec 23 23:27:53 shared12 sshd[9280]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=136.32.156.194
Dec 23 23:27:54 shared12 sshd[9280]: Failed password for invalid user jilda from 136.32.156.194 port 58242 ssh2
Dec 23 23:27:54 shared12 sshd[9280]: Received disconnect from 136.32.156.194 port 58242:11: Bye Bye [preauth]
Dec 23 23:27:54 shared12 sshd[9280]: Disconnected from invalid user jilda 136.32.156.194 port 58242 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=136.32.156.194