Feb  9 11:28:57 debian-2gb-nbg1-2 kernel: \[3503375.304912\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=1.65.158.151 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=51 ID=6758 PROTO=TCP SPT=64298 DPT=23 WINDOW=38202 RES=0x00 SYN URGP=0

unauthorized connection attempt

Port scan: Attack repeated for 24 hours

Failed password for invalid user dmr from 129.28.188.21 port 50956 ssh2
Invalid user pou from 129.28.188.21 port 44894
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.28.188.21
Failed password for invalid user pou from 129.28.188.21 port 44894 ssh2
Invalid user gap from 129.28.188.21 port 38836

Feb  9 13:44:02 legacy sshd[28546]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
Feb  9 13:44:04 legacy sshd[28546]: Failed password for invalid user lbq from 167.99.75.141 port 57052 ssh2
Feb  9 13:47:27 legacy sshd[28732]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
...

Feb  9 06:55:16 srv-ubuntu-dev3 sshd[71353]: Invalid user bwy from 149.28.162.189
Feb  9 06:55:16 srv-ubuntu-dev3 sshd[71353]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.28.162.189
Feb  9 06:55:16 srv-ubuntu-dev3 sshd[71353]: Invalid user bwy from 149.28.162.189
Feb  9 06:55:18 srv-ubuntu-dev3 sshd[71353]: Failed password for invalid user bwy from 149.28.162.189 port 55092 ssh2
Feb  9 06:59:01 srv-ubuntu-dev3 sshd[71663]: Invalid user nef from 149.28.162.189
Feb  9 06:59:01 srv-ubuntu-dev3 sshd[71663]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.28.162.189
Feb  9 06:59:01 srv-ubuntu-dev3 sshd[71663]: Invalid user nef from 149.28.162.189
Feb  9 06:59:03 srv-ubuntu-dev3 sshd[71663]: Failed password for invalid user nef from 149.28.162.189 port 41644 ssh2
Feb  9 07:02:51 srv-ubuntu-dev3 sshd[71931]: Invalid user xvw from 149.28.162.189
...

Malbot, probing for vulnerabilities, requested /installer-backup.php

2020-02-09T07:47:07.321610vostok sshd\[22429\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.155  user=root | Triggered by Fail2Ban at Vostok web server

xmlrpc attack

DATE:2020-02-09 05:47:36, IP:106.215.20.248, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)

2020-02-0905:48:021j0eVl-0001no-B4\<=verena@rs-solution.chH=\(localhost\)[123.22.133.205]:60736P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2212id=3E3B8DDED5012F9C40450CB4407E89CE@rs-solution.chT="maybeit'sfate"forposttaylor69@gmail.com2020-02-0905:45:541j0eTh-0001iW-PS\<=verena@rs-solution.chH=\(localhost\)[14.169.165.38]:36823P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2258id=383D8BD8D307299A46430AB24608E45B@rs-solution.chT="areyoulonelytoo\?"fortykoonmenlo@gmail.com2020-02-0905:47:221j0eV6-0001mY-HE\<=verena@rs-solution.chH=\(localhost\)[171.228.143.70]:47553P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2184id=5154E2B1BA6E40F32F2A63DB2F93E414@rs-solution.chT="lonelinessisnothappy"forrkatunda10@gmail.com2020-02-0905:46:161j0eU3-0001j3-4Q\<=verena@rs-solution.chH=\(localhost\)[113.21.112.236]:35796P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dov

[2020-02-09 07:26:23] NOTICE[1148] chan_sip.c: Registration from '"1111" ' failed for '77.247.110.39:5367' - Wrong password
[2020-02-09 07:26:23] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-09T07:26:23.239-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="1111",SessionID="0x7fd82c3c1c38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.110.39/5367",Challenge="627468c2",ReceivedChallenge="627468c2",ReceivedHash="9c6a8d1bfc750efcc7c26e7e6b2d8fd9"
[2020-02-09 07:26:23] NOTICE[1148] chan_sip.c: Registration from '"1111" ' failed for '77.247.110.39:5367' - Wrong password
[2020-02-09 07:26:23] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-09T07:26:23.414-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="1111",SessionID="0x7fd82c3faf98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77
...

Feb  9 10:11:35 ns381471 sshd[23534]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.72.117.101
Feb  9 10:11:36 ns381471 sshd[23534]: Failed password for invalid user rum from 211.72.117.101 port 58754 ssh2

Feb  9 07:31:48 game-panel sshd[31244]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.128.151
Feb  9 07:31:50 game-panel sshd[31244]: Failed password for invalid user ttk from 80.211.128.151 port 35754 ssh2
Feb  9 07:32:28 game-panel sshd[31289]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.128.151

Feb  9 01:23:53 web1 sshd\[18859\]: Invalid user wbz from 61.28.108.122
Feb  9 01:23:53 web1 sshd\[18859\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.28.108.122
Feb  9 01:23:55 web1 sshd\[18859\]: Failed password for invalid user wbz from 61.28.108.122 port 2213 ssh2
Feb  9 01:26:35 web1 sshd\[19125\]: Invalid user yaj from 61.28.108.122
Feb  9 01:26:35 web1 sshd\[19125\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.28.108.122