2020-02-05T16:27:24.910370+01:00 lumpi kernel: [6206298.189738] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=19368 PROTO=TCP SPT=47987 DPT=43389 WINDOW=1024 RES=0x00 SYN URGP=0 
...

02/02/2020-16:11:26.940998 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

2020-01-31T23:58:50.637235+01:00 lumpi kernel: [5801391.546504] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=61978 PROTO=TCP SPT=51380 DPT=33896 WINDOW=1024 RES=0x00 SYN URGP=0 
...

Jan 31 18:26:29 h2177944 kernel: \[3689758.319494\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.85 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=44830 PROTO=TCP SPT=51380 DPT=33884 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 18:26:29 h2177944 kernel: \[3689758.319510\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.85 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=44830 PROTO=TCP SPT=51380 DPT=33884 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 18:43:14 h2177944 kernel: \[3690763.281334\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.85 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=62023 PROTO=TCP SPT=51380 DPT=33895 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 18:43:14 h2177944 kernel: \[3690763.281347\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.85 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=62023 PROTO=TCP SPT=51380 DPT=33895 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 18:44:58 h2177944 kernel: \[3690867.589086\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.85 DST=85.214.117.9 LEN=4

01/29/2020-13:46:48.309187 81.22.45.85 Protocol: 6 ET SCAN NMAP -sS window 1024

ET DROP Dshield Block Listed Source group 1 - port: 3382 proto: TCP cat: Misc Attack

SNORT TCP  Port: 3389 Classtype misc-attack - ET CINS Active Threat Intelligence Poor Reputation IP group 79 - - Destination xx.xx.4.1 Port: 3389 - - Source 81.22.45.85 Port: 41604   (Listed on  zen-spamhaus MailSpike (spam wave plus L3-L5))     (422)

2019-12-23T01:17:14.131661+01:00 lumpi kernel: [2350159.553934] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=26757 PROTO=TCP SPT=55301 DPT=3309 WINDOW=1024 RES=0x00 SYN URGP=0 
...

12/22/2019-22:24:45.082395 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

12/19/2019-09:39:06.740739 81.22.45.85 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 84

2019-12-13T22:22:27.700406+01:00 lumpi kernel: [1562087.948202] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=27495 PROTO=TCP SPT=58190 DPT=33890 WINDOW=1024 RES=0x00 SYN URGP=0 
...

12/10/2019-12:16:30.857206 81.22.45.85 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 84

12/09/2019-06:10:25.207876 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

ET DROP Dshield Block Listed Source group 1 - port: 3392 proto: TCP cat: Misc Attack

11/30/2019-16:44:50.854285 81.22.45.85 Protocol: 6 ET SCAN NMAP -sS window 1024

Port scan: Attack repeated for 24 hours

11/28/2019-17:35:54.150372 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

2019-11-27T01:09:06.974212+01:00 lumpi kernel: [103313.791959] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=56775 PROTO=TCP SPT=59789 DPT=33396 WINDOW=1024 RES=0x00 SYN URGP=0 
...

2019-11-26T19:44:09.960363+01:00 lumpi kernel: [83817.049458] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=38029 PROTO=TCP SPT=42467 DPT=3396 WINDOW=1024 RES=0x00 SYN URGP=0 
...

81.22.45.85 was recorded 67 times by 28 hosts attempting to connect to the following ports: 11111,44444,55555,33333,22222,43389,33389,53389,13389,23389,63389. Incident counter (4h, 24h, all-time): 67, 382, 5303

2019-11-20T20:03:51.849780+01:00 lumpi kernel: [4098998.988122] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=172.31.1.100 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=46537 PROTO=TCP SPT=53209 DPT=33894 WINDOW=1024 RES=0x00 SYN URGP=0 
...

11/17/2019-17:44:28.909862 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

2019-11-14T20:49:10.095612+01:00 lumpi kernel: [3583324.306395] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=172.31.1.100 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=25685 PROTO=TCP SPT=41799 DPT=3385 WINDOW=1024 RES=0x00 SYN URGP=0 
...

11/09/2019-23:45:43.120867 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

11/08/2019-06:06:21.172532 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

2019-10-30T22:26:58.700511+01:00 lumpi kernel: [2293210.548386] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=172.31.1.100 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=64329 PROTO=TCP SPT=46770 DPT=5555 WINDOW=1024 RES=0x00 SYN URGP=0 
...

2019-10-30T13:59:16.414391+01:00 lumpi kernel: [2262748.678604] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.85 DST=172.31.1.100 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=62160 PROTO=TCP SPT=56090 DPT=3390 WINDOW=1024 RES=0x00 SYN URGP=0 
...

10/27/2019-17:07:47.137511 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

10/26/2019-17:43:17.121717 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

10/17/2019-15:27:12.999276 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1

suspicious action Sat, 29 Feb 2020 11:28:01 -0300

2020-02-19T00:19:18.463055+01:00 lumpi kernel: [7357790.238387] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.133 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=60679 PROTO=TCP SPT=50449 DPT=7000 WINDOW=1024 RES=0x00 SYN URGP=0 
...

2020-02-18T20:40:14.685548+01:00 lumpi kernel: [7344646.660249] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.133 DST=78.46.199.189 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=12495 PROTO=TCP SPT=50449 DPT=7777 WINDOW=1024 RES=0x00 SYN URGP=0 
...

02/17/2020-20:00:28.393431 81.22.45.106 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 83

ET CINS Active Threat Intelligence Poor Reputation IP group 69 - port: 5322 proto: TCP cat: Misc Attack

Fail2Ban Ban Triggered

MultiHost/MultiPort Probe, Scan, Hack -

Feb  8 10:02:23 mail kernel: [562000.917378] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=81.22.45.182 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=56258 PROTO=TCP SPT=42357 DPT=16115 WINDOW=1024 RES=0x00 SYN URGP=0 
...

ET CINS Active Threat Intelligence Poor Reputation IP group 77 - port: 3389 proto: TCP cat: Misc Attack

3388/tcp 3377/tcp 3385/tcp...
[2019-12-09/2020-02-07]121pkt,33pt.(tcp)

Unauthorized connection attempt from IP address 81.22.45.83 on Port 3389(RDP)

Feb  6 17:32:05 mail kernel: [416183.709828] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=81.22.45.182 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=30608 PROTO=TCP SPT=50336 DPT=10904 WINDOW=1024 RES=0x00 SYN URGP=0 
...

Feb  6 08:44:36 mail kernel: [384534.949997] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=81.22.45.182 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=55760 PROTO=TCP SPT=50336 DPT=10994 WINDOW=1024 RES=0x00 SYN URGP=0 
...

Unauthorised access (Feb  6) SRC=81.22.45.104 LEN=40 TTL=249 ID=41689 TCP DPT=3389 WINDOW=1024 SYN 
Unauthorised access (Feb  4) SRC=81.22.45.104 LEN=40 TTL=249 ID=63055 TCP DPT=3389 WINDOW=1024 SYN 
Unauthorised access (Feb  2) SRC=81.22.45.104 LEN=40 TTL=248 ID=40974 TCP DPT=3389 WINDOW=1024 SYN

Feb  6 01:19:32 mail kernel: [357831.266667] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=81.22.45.182 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=40878 PROTO=TCP SPT=50336 DPT=10137 WINDOW=1024 RES=0x00 SYN URGP=0 
...

1594094064 - 07/07/2020 05:54:24 Host: 180.94.155.172/180.94.155.172 Port: 445 TCP Blocked

Jul  7 05:36:17 vpn01 sshd[28751]: Failed password for root from 220.78.28.68 port 18727 ssh2
...

SSH Brute-Force reported by Fail2Ban

$f2bV_matches

20 attempts against mh-misbehave-ban on plane

Jul  7 07:40:46 ns381471 sshd[29116]: Failed password for root from 111.230.137.250 port 58674 ssh2

2020-07-06 16:58:02 Reject access to port(s):3389 1 times a day

Jul  7 07:13:02 lnxweb62 sshd[20154]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.190.90

$f2bV_matches

fail2ban/Jul  7 05:49:02 h1962932 sshd[22119]: Invalid user billy from 165.22.243.42 port 55540
Jul  7 05:49:02 h1962932 sshd[22119]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.243.42
Jul  7 05:49:02 h1962932 sshd[22119]: Invalid user billy from 165.22.243.42 port 55540
Jul  7 05:49:04 h1962932 sshd[22119]: Failed password for invalid user billy from 165.22.243.42 port 55540 ssh2
Jul  7 05:54:58 h1962932 sshd[23317]: Invalid user vlt from 165.22.243.42 port 47882

Jul  7 07:38:07 abendstille sshd\[3808\]: Invalid user carolina from 123.31.27.102
Jul  7 07:38:07 abendstille sshd\[3808\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.31.27.102
Jul  7 07:38:09 abendstille sshd\[3808\]: Failed password for invalid user carolina from 123.31.27.102 port 53164 ssh2
Jul  7 07:41:17 abendstille sshd\[6651\]: Invalid user zhangsan from 123.31.27.102
Jul  7 07:41:17 abendstille sshd\[6651\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.31.27.102
...

2020-07-07T05:54:15+02:00  exim[10257]: [1\48] 1jsegP-0002fR-2u H=engine.kumsoft.com (engine.chocualo.com) [91.232.96.110] F= rejected after DATA: This message scored 101.2 spam points.

Jul  7 05:54:51 debian-2gb-nbg1-2 kernel: \[16352696.763065\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=122.51.85.227 DST=195.201.40.59 LEN=52 TOS=0x00 PREC=0x00 TTL=111 ID=32168 DF PROTO=TCP SPT=52909 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0

Jul  7 07:32:06 pornomens sshd\[12386\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.90.255.173  user=root
Jul  7 07:32:08 pornomens sshd\[12386\]: Failed password for root from 189.90.255.173 port 48016 ssh2
Jul  7 07:39:40 pornomens sshd\[12493\]: Invalid user postgres from 189.90.255.173 port 45517
Jul  7 07:39:40 pornomens sshd\[12493\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.90.255.173
...