Attempt to upload PHP script    coollse.php

Apr 26 22:40:34 haigwepa sshd[31465]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.200.235.178 
Apr 26 22:40:36 haigwepa sshd[31465]: Failed password for invalid user dq from 218.200.235.178 port 39350 ssh2
...

Apr 26 22:40:26 sxvn sshd[451495]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.245.99.59

[2020-04-26 16:10:14] NOTICE[1170] chan_sip.c: Registration from '' failed for '195.181.168.138:61047' - Wrong password
[2020-04-26 16:10:14] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-26T16:10:14.293-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="270",SessionID="0x7f6c086f7488",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/195.181.168.138/61047",Challenge="63bd8839",ReceivedChallenge="63bd8839",ReceivedHash="440e0df8118611bf4722d7a30f4b74d4"
[2020-04-26 16:13:07] NOTICE[1170] chan_sip.c: Registration from '' failed for '195.181.168.138:62008' - Wrong password
[2020-04-26 16:13:07] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-26T16:13:07.825-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="70",SessionID="0x7f6c087c6998",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/195.181.168.1
...

2020-04-26T20:50:41.526418shield sshd\[11103\]: Invalid user pp from 123.207.149.93 port 49034
2020-04-26T20:50:41.530033shield sshd\[11103\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.149.93
2020-04-26T20:50:42.958856shield sshd\[11103\]: Failed password for invalid user pp from 123.207.149.93 port 49034 ssh2
2020-04-26T20:52:33.478718shield sshd\[11339\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.149.93  user=root
2020-04-26T20:52:35.950350shield sshd\[11339\]: Failed password for root from 123.207.149.93 port 44172 ssh2

[portscan] Port scan

Apr 26 22:37:00 OPSO sshd\[7334\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.48.89.147  user=root
Apr 26 22:37:02 OPSO sshd\[7334\]: Failed password for root from 83.48.89.147 port 50398 ssh2
Apr 26 22:40:50 OPSO sshd\[8861\]: Invalid user peihongtao from 83.48.89.147 port 56184
Apr 26 22:40:50 OPSO sshd\[8861\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.48.89.147
Apr 26 22:40:52 OPSO sshd\[8861\]: Failed password for invalid user peihongtao from 83.48.89.147 port 56184 ssh2

Apr 26 16:47:04 ny01 sshd[13111]: Failed password for root from 138.197.5.191 port 55106 ssh2
Apr 26 16:49:30 ny01 sshd[13458]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.5.191
Apr 26 16:49:32 ny01 sshd[13458]: Failed password for invalid user shibo from 138.197.5.191 port 38132 ssh2

Apr 26 16:40:38 NPSTNNYC01T sshd[5003]: Failed password for root from 222.186.15.115 port 32231 ssh2
Apr 26 16:40:47 NPSTNNYC01T sshd[5024]: Failed password for root from 222.186.15.115 port 64140 ssh2
Apr 26 16:40:49 NPSTNNYC01T sshd[5024]: Failed password for root from 222.186.15.115 port 64140 ssh2
...

Apr 26 21:09:00 debian-2gb-nbg1-2 kernel: \[10187074.727501\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=134.209.35.77 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=25418 PROTO=TCP SPT=48636 DPT=22566 WINDOW=1024 RES=0x00 SYN URGP=0

every week in the log, looks for vulnerabilities

port

2020-04-26T20:36:22.520242shield sshd\[8146\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.245.61.144  user=root
2020-04-26T20:36:25.022347shield sshd\[8146\]: Failed password for root from 1.245.61.144 port 27539 ssh2
2020-04-26T20:40:38.367088shield sshd\[9329\]: Invalid user oracle from 1.245.61.144 port 49499
2020-04-26T20:40:38.370744shield sshd\[9329\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.245.61.144
2020-04-26T20:40:40.350814shield sshd\[9329\]: Failed password for invalid user oracle from 1.245.61.144 port 49499 ssh2

2020-04-26T20:25:03.132745abusebot-5.cloudsearch.cf sshd[28422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.212.43.150  user=root
2020-04-26T20:25:05.087858abusebot-5.cloudsearch.cf sshd[28422]: Failed password for root from 49.212.43.150 port 56240 ssh2
2020-04-26T20:27:13.545525abusebot-5.cloudsearch.cf sshd[28469]: Invalid user murphy from 49.212.43.150 port 42514
2020-04-26T20:27:13.553438abusebot-5.cloudsearch.cf sshd[28469]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.212.43.150
2020-04-26T20:27:13.545525abusebot-5.cloudsearch.cf sshd[28469]: Invalid user murphy from 49.212.43.150 port 42514
2020-04-26T20:27:15.689089abusebot-5.cloudsearch.cf sshd[28469]: Failed password for invalid user murphy from 49.212.43.150 port 42514 ssh2
2020-04-26T20:29:21.963585abusebot-5.cloudsearch.cf sshd[28474]: Invalid user murphy from 49.212.43.150 port 57019
...

scans once in preceeding hours on the ports (in chronological order) 5986 resulting in total of 43 scans from 162.243.0.0/16 block.