Telnetd brute force attack detected by fail2ban

DATE:2020-03-13 22:13:12, IP:73.245.127.219, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)

2020-03-13T22:16:44.723073vps773228.ovh.net sshd[9909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.211.191.20  user=root
2020-03-13T22:16:46.255614vps773228.ovh.net sshd[9909]: Failed password for root from 58.211.191.20 port 58754 ssh2
2020-03-13T22:20:57.224158vps773228.ovh.net sshd[11420]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.211.191.20  user=root
2020-03-13T22:20:59.157866vps773228.ovh.net sshd[11420]: Failed password for root from 58.211.191.20 port 55950 ssh2
2020-03-13T22:22:51.993747vps773228.ovh.net sshd[12104]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.211.191.20  user=root
2020-03-13T22:22:54.243143vps773228.ovh.net sshd[12104]: Failed password for root from 58.211.191.20 port 55436 ssh2
2020-03-13T22:24:40.671341vps773228.ovh.net sshd[12751]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rh
...

Chat Spam

Mar 13 22:16:22 debian-2gb-nbg1-2 kernel: \[6393314.329060\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=211.216.208.89 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=48 ID=54803 PROTO=TCP SPT=5687 DPT=23 WINDOW=1063 RES=0x00 SYN URGP=0

$f2bV_matches

Mar 13 22:07:34 localhost sshd[122938]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.128  user=root
Mar 13 22:07:36 localhost sshd[122938]: Failed password for root from 61.177.172.128 port 14330 ssh2
Mar 13 22:07:40 localhost sshd[122938]: Failed password for root from 61.177.172.128 port 14330 ssh2
Mar 13 22:07:34 localhost sshd[122938]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.128  user=root
Mar 13 22:07:36 localhost sshd[122938]: Failed password for root from 61.177.172.128 port 14330 ssh2
Mar 13 22:07:40 localhost sshd[122938]: Failed password for root from 61.177.172.128 port 14330 ssh2
Mar 13 22:07:34 localhost sshd[122938]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.128  user=root
Mar 13 22:07:36 localhost sshd[122938]: Failed password for root from 61.177.172.128 port 14330 ssh2
Mar 13 22:07:40 localhost sshd[12
...

2020-03-13 22:16:04 H=\(static-201-151-181-33.alestra.net.mx\) \[201.151.181.33\]:23846 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2020-03-13 22:16:26 H=\(static-201-151-181-33.alestra.net.mx\) \[201.151.181.33\]:23964 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2020-03-13 22:16:41 H=\(static-201-151-181-33.alestra.net.mx\) \[201.151.181.33\]:24057 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
...

Mar 13 22:29:10 silence02 sshd[7243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.80.212.113
Mar 13 22:29:12 silence02 sshd[7243]: Failed password for invalid user edward from 117.80.212.113 port 48257 ssh2
Mar 13 22:32:17 silence02 sshd[7412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.80.212.113

Mar 11 15:30:06 josie sshd[6178]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.1.166  user=r.r
Mar 11 15:30:08 josie sshd[6178]: Failed password for r.r from 139.199.1.166 port 35736 ssh2
Mar 11 15:30:08 josie sshd[6194]: Received disconnect from 139.199.1.166: 11: Bye Bye
Mar 11 15:33:42 josie sshd[6742]: Connection closed by 139.199.1.166
Mar 11 15:35:06 josie sshd[7020]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.1.166  user=r.r
Mar 11 15:35:08 josie sshd[7020]: Failed password for r.r from 139.199.1.166 port 45324 ssh2
Mar 11 15:35:08 josie sshd[7023]: Received disconnect from 139.199.1.166: 11: Bye Bye
Mar 11 15:37:00 josie sshd[7347]: Invalid user akazam from 139.199.1.166
Mar 11 15:37:00 josie sshd[7347]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.1.166 
Mar 11 15:37:01 josie sshd[7347]: Failed password for i........
-------------------------------

Mar 14 02:13:06 gw1 sshd[29319]: Failed password for root from 45.119.215.68 port 35312 ssh2
...

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/83.219.1.26/ 
 
 RU - 1H : (302)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : RU 
 NAME ASN : ASN12389 
 
 IP : 83.219.1.26 
 
 CIDR : 83.219.0.0/19 
 
 PREFIX COUNT : 2741 
 
 UNIQUE IP COUNT : 8699648 
 
 
 ATTACKS DETECTED ASN12389 :  
  1H - 4 
  3H - 11 
  6H - 16 
 12H - 28 
 24H - 28 
 
 DateTime : 2020-03-13 22:16:30 
 
 INFO :  HACK ! - Looking for resource vulnerabilities Scan Detected and Blocked by ADMIN  - data recovery

2020-03-13T21:34:12.009986shield sshd\[25666\]: Invalid user maria from 185.202.1.240 port 46828
2020-03-13T21:34:12.093757shield sshd\[25666\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.202.1.240
2020-03-13T21:34:14.499107shield sshd\[25666\]: Failed password for invalid user maria from 185.202.1.240 port 46828 ssh2
2020-03-13T21:34:15.287637shield sshd\[25676\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.202.1.240  user=nobody
2020-03-13T21:34:17.437510shield sshd\[25676\]: Failed password for nobody from 185.202.1.240 port 53331 ssh2

Mar 13 22:56:50 nextcloud sshd\[12327\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.215  user=root
Mar 13 22:56:51 nextcloud sshd\[12327\]: Failed password for root from 222.186.175.215 port 31194 ssh2
Mar 13 22:56:55 nextcloud sshd\[12327\]: Failed password for root from 222.186.175.215 port 31194 ssh2

SSH auth scanning - multiple failed logins