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

Unauthorized connection attempt detected from IP address 123.231.44.71 to port 2220 [J]

1580014307 - 01/26/2020 05:51:47 Host: 49.149.105.107/49.149.105.107 Port: 445 TCP Blocked

Unauthorized connection attempt detected from IP address 151.80.144.39 to port 2220 [J]

Jan 26 05:45:28 DAAP sshd[28051]: Invalid user notebook from 121.162.131.223 port 38827
Jan 26 05:45:28 DAAP sshd[28051]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.131.223
Jan 26 05:45:28 DAAP sshd[28051]: Invalid user notebook from 121.162.131.223 port 38827
Jan 26 05:45:30 DAAP sshd[28051]: Failed password for invalid user notebook from 121.162.131.223 port 38827 ssh2
Jan 26 05:51:47 DAAP sshd[28165]: Invalid user machine from 121.162.131.223 port 36520
...

Jan 26 06:36:11 game-panel sshd[14917]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.31.123.143
Jan 26 06:36:13 game-panel sshd[14917]: Failed password for invalid user testing from 119.31.123.143 port 54778 ssh2
Jan 26 06:38:42 game-panel sshd[15356]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.31.123.143

1580014296 - 01/26/2020 05:51:36 Host: 85.174.205.74/85.174.205.74 Port: 445 TCP Blocked

Jan 26 07:58:13 SilenceServices sshd[6119]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.136.210.215
Jan 26 07:58:14 SilenceServices sshd[6119]: Failed password for invalid user deva from 150.136.210.215 port 47994 ssh2
Jan 26 08:01:24 SilenceServices sshd[8615]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.136.210.215

Brute forcing email accounts

Unauthorized connection attempt detected from IP address 34.87.68.50 to port 2220 [J]

Unauthorized connection attempt detected from IP address 80.211.59.160 to port 2220 [J]

Jan 26 07:59:57 localhost sshd\[6581\]: Invalid user ankur from 142.93.163.77 port 49738
Jan 26 07:59:57 localhost sshd\[6581\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.163.77
Jan 26 08:00:00 localhost sshd\[6581\]: Failed password for invalid user ankur from 142.93.163.77 port 49738 ssh2

Unauthorized connection attempt detected from IP address 182.61.188.132 to port 2220 [J]

[2020-01-26 01:44:39] NOTICE[1148][C-00002a91] chan_sip.c: Call from '' (185.53.88.119:6056) to extension '1230016933' rejected because extension not found in context 'public'.
[2020-01-26 01:44:39] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-01-26T01:44:39.509-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="1230016933",SessionID="0x7fd82c10ad58",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.119/6056",ACLName="no_extension_match"
[2020-01-26 01:44:39] NOTICE[1148][C-00002a92] chan_sip.c: Call from '' (185.53.88.119:6056) to extension '19900' rejected because extension not found in context 'public'.
[2020-01-26 01:44:39] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-01-26T01:44:39.601-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="19900",SessionID="0x7fd82c3e9978",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.119/6056",ACLName="no_e
...

Unauthorized connection attempt detected from IP address 106.12.166.105 to port 2220 [J]

Jan 26 15:11:46 bacztwo sshd[21352]: error: PAM: Authentication failure for root from 222.186.175.154
Jan 26 15:11:49 bacztwo sshd[21352]: error: PAM: Authentication failure for root from 222.186.175.154
Jan 26 15:11:52 bacztwo sshd[21352]: error: PAM: Authentication failure for root from 222.186.175.154
Jan 26 15:11:52 bacztwo sshd[21352]: Failed keyboard-interactive/pam for root from 222.186.175.154 port 47824 ssh2
Jan 26 15:11:42 bacztwo sshd[21352]: error: PAM: Authentication failure for root from 222.186.175.154
Jan 26 15:11:46 bacztwo sshd[21352]: error: PAM: Authentication failure for root from 222.186.175.154
Jan 26 15:11:49 bacztwo sshd[21352]: error: PAM: Authentication failure for root from 222.186.175.154
Jan 26 15:11:52 bacztwo sshd[21352]: error: PAM: Authentication failure for root from 222.186.175.154
Jan 26 15:11:52 bacztwo sshd[21352]: Failed keyboard-interactive/pam for root from 222.186.175.154 port 47824 ssh2
Jan 26 15:11:55 bacztwo sshd[21352]: error: PAM: Authent
...