May 27 00:05:26 pop3-login: Info: Disconnected: Inactivity \(auth failed, 1 attempts in 180 secs\): user=\, method=PLAIN, rip=94.102.52.44, lip=192.168.100.101, session=\<9W41QJSmrABeZjQs\>\
May 27 00:47:06 pop3-login: Info: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=94.102.52.44, lip=192.168.100.101, session=\\
May 27 00:50:24 pop3-login: Info: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=94.102.52.44, lip=192.168.100.101, session=\\
May 27 00:59:20 pop3-login: Info: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=94.102.52.44, lip=192.168.100.101, session=\\
May 27 00:59:24 pop3-login: Info: Aborted login \(auth failed, 1 attempts in 6 secs\): user=\, method=PLAIN, rip=94.102.52.44, lip=192.168.100.101, session=\\
May 27 01

May 26 18:59:50 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
May 26 19:00:07 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=<0DPwBpCmxk5eZjQs>
May 26 19:00:19 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
May 26 19:01:43 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
May 26 19:02:11 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=

May 26 04:04:28 ns3042688 courier-pop3d: LOGIN FAILED, user=postmaster@sikla-shop.eu, ip=\[::ffff:94.102.52.44\]
...

May 25 19:44:30 ns3042688 courier-pop3d: LOGIN FAILED, user=office@sikla-systems.es, ip=\[::ffff:94.102.52.44\]
...

May 25 07:48:22 ns3042688 courier-pop3d: LOGIN FAILED, user=test@makita-dolmar.info, ip=\[::ffff:94.102.52.44\]
...

May 24 13:56:10 ns3042688 courier-pop3d: LOGIN FAILED, user=webmaster@tienda-sikla.eu, ip=\[::ffff:94.102.52.44\]
...

May 22 21:47:50 ns3042688 courier-pop3d: LOGIN FAILED, user=reception@tienda-cmt.org, ip=\[::ffff:94.102.52.44\]
...

May 22 13:47:30 ns3042688 courier-pop3d: LOGIN FAILED, user=support@sikla-shop.eu, ip=\[::ffff:94.102.52.44\]
...

May 20 18:50:14 ns3042688 courier-pop3d: LOGIN FAILED, user=info@tienda-cmt.com, ip=\[::ffff:94.102.52.44\]
...

May  3 08:09:25 ns3042688 courier-pop3d: LOGIN FAILED, user=contact@sikla-systems.org, ip=\[::ffff:94.102.52.44\]
...

May  2 21:10:44 ns3042688 courier-pop3d: LOGIN FAILED, user=contact@tienda-cmt.org, ip=\[::ffff:94.102.52.44\]
...

May  2 06:13:52 ns3042688 courier-pop3d: LOGIN FAILED, user=hola@tienda-cmt.org, ip=\[::ffff:94.102.52.44\]
...

Apr 30 22:34:42 mail.srvfarm.net dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.197.126, session=
Apr 30 22:37:24 mail.srvfarm.net dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.197.126, session=
Apr 30 22:39:10 mail.srvfarm.net dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.197.126, session=
Apr 30 22:41:39 mail.srvfarm.net dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.197.126, session=
Apr 30 22:42:14 mail.srvfarm.net dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=,

Apr 29 23:00:06 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
Apr 29 23:00:32 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
Apr 29 23:00:56 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
Apr 29 23:01:14 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
Apr 29 23:01:26 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 10 secs): user=

[SunJan0513:13:07.5067452020][:error][pid21549:tid47836475426560][client94.102.52.44:62131][client94.102.52.44]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch"/HNAP1/"atREQUEST_URI.[file"/etc/apache2/conf.d/modsec_rules/99_asl_jitp.conf"][line"5692"][id"381237"][rev"1"][msg"Atomicorp.comWAFRules-VirtualJustInTimePatch:DLINKwormprobe"][data"/HNAP1/"][severity"CRITICAL"][hostname"136.243.224.54"][uri"/HNAP1/"][unique_id"XhHS01cl0DbVn3C4rX9U-QAAAEY"]\,referer:http://136.243.224.54/[SunJan0513:16:48.1129042020][:error][pid24307:tid47836509046528][client94.102.52.44:52654][client94.102.52.44]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch"/HNAP1/"atREQUEST_URI.[file"/etc/apache2/conf.d/modsec_rules/99_asl_jitp.conf"][line"5692"][id"381237"][rev"1"][msg"Atomicorp.comWAFRules-VirtualJustInTimePatch:DLINKwormprobe"][data"/HNAP1/"][severity"CRITICAL"][hostname"136.243.224.50"][uri"/HNAP1/"][unique_id"XhHTsMzUpSR-L8f1FRB4XAAAAJY"]\,referer:http://136.243

Jan  3 11:36:45 debian-2gb-nbg1-2 kernel: \[307132.764548\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=94.102.52.44 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=62889 PROTO=TCP SPT=53915 DPT=8989 WINDOW=1024 RES=0x00 SYN URGP=0

Sent packet to closed port: 22

[Thu May 21 12:06:10 2020] - DDoS Attack From IP: 94.102.52.57 Port: 56548

05/24/2020-18:33:20.532373 94.102.52.57 Protocol: 6 ET SCAN NMAP -sS window 1024

Port scanning [23 denied]

TCP ports : 11 / 338 / 448 / 564 / 911

05/20/2020-13:13:08.646937 94.102.52.57 Protocol: 6 ET SCAN NMAP -sS window 1024

Portscan or hack attempt detected by psad/fwsnort

May 17 02:13:16 debian-2gb-nbg1-2 kernel: \[11933238.504179\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=94.102.52.57 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=1269 PROTO=TCP SPT=48287 DPT=1800 WINDOW=1024 RES=0x00 SYN URGP=0

May 16 04:36:57 vps339862 kernel: \[8815532.873778\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=94.102.52.57 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=3141 PROTO=TCP SPT=56296 DPT=22923 SEQ=3276512229 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
May 16 04:40:11 vps339862 kernel: \[8815726.756392\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=94.102.52.57 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=8932 PROTO=TCP SPT=56296 DPT=22890 SEQ=28947877 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
May 16 04:41:51 vps339862 kernel: \[8815827.363329\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=94.102.52.57 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=41196 PROTO=TCP SPT=56296 DPT=22967 SEQ=3807393648 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
May 16 04:45:55 vps339862 kernel: \[8816071.256949\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e
...

May 16 04:36:57 vps339862 kernel: \[8815532.873778\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=94.102.52.57 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=3141 PROTO=TCP SPT=56296 DPT=22923 SEQ=3276512229 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
May 16 04:40:11 vps339862 kernel: \[8815726.756392\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=94.102.52.57 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=8932 PROTO=TCP SPT=56296 DPT=22890 SEQ=28947877 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
May 16 04:41:51 vps339862 kernel: \[8815827.363329\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=94.102.52.57 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=41196 PROTO=TCP SPT=56296 DPT=22967 SEQ=3807393648 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
May 16 04:45:55 vps339862 kernel: \[8816071.256949\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e
...

firewall-block, port(s): 22490/tcp, 22556/tcp

ET CINS Active Threat Intelligence Poor Reputation IP group 89 - port: 23045 proto: TCP cat: Misc Attack

Fail2Ban Ban Triggered

Excessive Port-Scanning

05/07/2020-11:50:07.741119 94.102.52.57 Protocol: 6 ET SCAN NMAP -sS window 1024

Dec  7 22:24:14 web1 sshd\[30450\]: Invalid user wwwadmin from 129.204.223.222
Dec  7 22:24:14 web1 sshd\[30450\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.223.222
Dec  7 22:24:16 web1 sshd\[30450\]: Failed password for invalid user wwwadmin from 129.204.223.222 port 36106 ssh2
Dec  7 22:31:20 web1 sshd\[31180\]: Invalid user noz from 129.204.223.222
Dec  7 22:31:20 web1 sshd\[31180\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.223.222

Dec  7 22:35:05 eddieflores sshd\[23709\]: Invalid user crain from 80.253.29.58
Dec  7 22:35:05 eddieflores sshd\[23709\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.253.29.58
Dec  7 22:35:07 eddieflores sshd\[23709\]: Failed password for invalid user crain from 80.253.29.58 port 35946 ssh2
Dec  7 22:41:29 eddieflores sshd\[24624\]: Invalid user arrick from 80.253.29.58
Dec  7 22:41:29 eddieflores sshd\[24624\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.253.29.58

Dec  8 05:29:47 firewall sshd[27123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=50.127.71.5
Dec  8 05:29:47 firewall sshd[27123]: Invalid user test from 50.127.71.5
Dec  8 05:29:49 firewall sshd[27123]: Failed password for invalid user test from 50.127.71.5 port 25711 ssh2
...

12/08/2019-08:40:00.979510 185.176.27.246 Protocol: 6 ET DROP Dshield Block Listed Source group 1

pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.140  user=root
Failed password for root from 222.186.175.140 port 48266 ssh2
Failed password for root from 222.186.175.140 port 48266 ssh2
Failed password for root from 222.186.175.140 port 48266 ssh2
Failed password for root from 222.186.175.140 port 48266 ssh2

Dec  8 07:48:17 game-panel sshd[5336]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.151.155
Dec  8 07:48:19 game-panel sshd[5336]: Failed password for invalid user ooshita from 134.175.151.155 port 52188 ssh2
Dec  8 07:55:28 game-panel sshd[5555]: Failed password for root from 134.175.151.155 port 33156 ssh2

Triggered by Fail2Ban at Vostok web server

12/08/2019-07:29:13.581581 83.97.20.46 Protocol: 6 ET DROP Dshield Block Listed Source group 1

ssh failed login

Dec  8 10:21:43 microserver sshd[46619]: Invalid user xi from 176.107.130.137 port 54082
Dec  8 10:21:43 microserver sshd[46619]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.107.130.137
Dec  8 10:21:46 microserver sshd[46619]: Failed password for invalid user xi from 176.107.130.137 port 54082 ssh2
Dec  8 10:28:59 microserver sshd[47591]: Invalid user gery from 176.107.130.137 port 60898
Dec  8 10:28:59 microserver sshd[47591]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.107.130.137
Dec  8 10:45:13 microserver sshd[50407]: Invalid user named from 176.107.130.137 port 34756
Dec  8 10:45:13 microserver sshd[50407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.107.130.137
Dec  8 10:45:16 microserver sshd[50407]: Failed password for invalid user named from 176.107.130.137 port 34756 ssh2
Dec  8 10:50:36 microserver sshd[51254]: Invalid user heckel from 176.107.130.137 port

<6 unauthorized SSH connections

Dec  8 09:29:49 legacy sshd[21370]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.234.122
Dec  8 09:29:52 legacy sshd[21370]: Failed password for invalid user sture from 178.62.234.122 port 47916 ssh2
Dec  8 09:34:54 legacy sshd[21602]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.234.122
...

Dec  8 07:57:57 zeus sshd[1124]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.235.97.146 
Dec  8 07:57:58 zeus sshd[1124]: Failed password for invalid user jayl123 from 192.235.97.146 port 44082 ssh2
Dec  8 08:05:02 zeus sshd[1325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.235.97.146 
Dec  8 08:05:04 zeus sshd[1325]: Failed password for invalid user lisherness from 192.235.97.146 port 54218 ssh2

Bruteforce on SSH Honeypot

Host Scan