Attempt to attack host OS, exploiting network vulnerabilities, on 18-12-2019 06:25:14.

\[2019-12-18 07:13:58\] NOTICE\[2839\] chan_sip.c: Registration from '"808" \' failed for '37.49.230.81:5294' - Wrong password
\[2019-12-18 07:13:58\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-18T07:13:58.085-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="808",SessionID="0x7f0fb4287008",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.81/5294",Challenge="36e89487",ReceivedChallenge="36e89487",ReceivedHash="196886df6a842e039194c5c1a0c3832c"
\[2019-12-18 07:13:58\] NOTICE\[2839\] chan_sip.c: Registration from '"808" \' failed for '37.49.230.81:5294' - Wrong password
\[2019-12-18 07:13:58\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-18T07:13:58.210-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="808",SessionID="0x7f0fb4123628",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.2

Dec 18 13:29:57 jane sshd[5396]: Failed password for root from 218.92.0.184 port 65474 ssh2
Dec 18 13:30:02 jane sshd[5396]: Failed password for root from 218.92.0.184 port 65474 ssh2
...

Dec 18 12:08:47 server sshd\[538\]: Invalid user lejour from 103.36.84.100
Dec 18 12:08:47 server sshd\[538\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.36.84.100 
Dec 18 12:08:49 server sshd\[538\]: Failed password for invalid user lejour from 103.36.84.100 port 33340 ssh2
Dec 18 14:17:59 server sshd\[5566\]: Invalid user xr from 103.36.84.100
Dec 18 14:17:59 server sshd\[5566\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.36.84.100 
...

Unauthorized connection attempt detected from IP address 45.248.57.193 to port 445

Dec 18 02:48:15 sachi sshd\[5854\]: Invalid user 0\*\* from 207.154.229.50
Dec 18 02:48:15 sachi sshd\[5854\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.229.50
Dec 18 02:48:17 sachi sshd\[5854\]: Failed password for invalid user 0\*\* from 207.154.229.50 port 33574 ssh2
Dec 18 02:53:41 sachi sshd\[6285\]: Invalid user nnnn from 207.154.229.50
Dec 18 02:53:41 sachi sshd\[6285\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.229.50

Dec 18 10:46:49 server sshd\[9259\]: Invalid user shuto from 106.13.9.153
Dec 18 10:46:49 server sshd\[9259\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.9.153 
Dec 18 10:46:51 server sshd\[9259\]: Failed password for invalid user shuto from 106.13.9.153 port 42482 ssh2
Dec 18 10:54:55 server sshd\[11273\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.9.153  user=root
Dec 18 10:54:57 server sshd\[11273\]: Failed password for root from 106.13.9.153 port 57844 ssh2
...

SSH Brute Force

Attempt to attack host OS, exploiting network vulnerabilities, on 18-12-2019 06:25:09.

2019-12-18T10:39:58.449268scmdmz1 sshd[18939]: Invalid user super0day from 115.159.149.136 port 37508
2019-12-18T10:39:58.452353scmdmz1 sshd[18939]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.149.136
2019-12-18T10:39:58.449268scmdmz1 sshd[18939]: Invalid user super0day from 115.159.149.136 port 37508
2019-12-18T10:40:00.574427scmdmz1 sshd[18939]: Failed password for invalid user super0day from 115.159.149.136 port 37508 ssh2
2019-12-18T10:49:37.800482scmdmz1 sshd[19805]: Invalid user jomblo from 115.159.149.136 port 58690
...

--- report ---
Dec 18 06:34:42 sshd: Connection from 217.182.79.118 port 38130
Dec 18 06:34:42 sshd: Invalid user guest123456 from 217.182.79.118
Dec 18 06:34:45 sshd: Failed password for invalid user guest123456 from 217.182.79.118 port 38130 ssh2
Dec 18 06:34:45 sshd: Received disconnect from 217.182.79.118: 11: Bye Bye [preauth]

Dec 18 14:31:11 vtv3 sshd[11803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.70.233.163 
Dec 18 14:31:13 vtv3 sshd[11803]: Failed password for invalid user duong from 118.70.233.163 port 46596 ssh2
Dec 18 14:37:43 vtv3 sshd[14800]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.70.233.163 
Dec 18 15:04:41 vtv3 sshd[27284]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.70.233.163 
Dec 18 15:04:43 vtv3 sshd[27284]: Failed password for invalid user kv from 118.70.233.163 port 51254 ssh2
Dec 18 15:11:31 vtv3 sshd[30752]: Failed password for sync from 118.70.233.163 port 62532 ssh2

MultiHost/MultiPort Probe, Scan, Hack -

Dec 18 12:15:54 localhost sshd\[115849\]: Invalid user miscoski from 165.227.1.117 port 36636
Dec 18 12:15:54 localhost sshd\[115849\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.1.117
Dec 18 12:15:56 localhost sshd\[115849\]: Failed password for invalid user miscoski from 165.227.1.117 port 36636 ssh2
Dec 18 12:21:17 localhost sshd\[116034\]: Invalid user loki from 165.227.1.117 port 44704
Dec 18 12:21:17 localhost sshd\[116034\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.1.117
...

Dec 18 11:59:52 server sshd\[30385\]: Invalid user do. from 45.73.12.218
Dec 18 11:59:52 server sshd\[30385\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=modemcable218.12-73-45.static.videotron.ca 
Dec 18 11:59:54 server sshd\[30385\]: Failed password for invalid user do. from 45.73.12.218 port 32914 ssh2
Dec 18 12:08:25 server sshd\[441\]: Invalid user eric from 45.73.12.218
Dec 18 12:08:25 server sshd\[441\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=modemcable218.12-73-45.static.videotron.ca 
...