Oct 13 20:18:40 sshgateway sshd\[2360\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.28  user=root
Oct 13 20:18:43 sshgateway sshd\[2360\]: Failed password for root from 45.148.10.28 port 40178 ssh2
Oct 13 20:19:07 sshgateway sshd\[2364\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.28  user=root

SSH Server Abuse (45.148.10.28 as ): 
...

Fail2Ban automatic report:
SSH brute-force:

Invalid user admin from 45.148.10.28 port 54486

(sshd) Failed SSH login from 45.148.10.28 (NL/Netherlands/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 10 18:11:52 server sshd[3299]: Did not receive identification string from 45.148.10.28 port 52168
Oct 10 18:12:20 server sshd[3354]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.28  user=root
Oct 10 18:12:22 server sshd[3354]: Failed password for root from 45.148.10.28 port 37802 ssh2
Oct 10 18:13:02 server sshd[3662]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.28  user=root
Oct 10 18:13:04 server sshd[3662]: Failed password for root from 45.148.10.28 port 35472 ssh2

[ssh] SSH attack

Fail2Ban Ban Triggered

Oct  2 17:34:33 abendstille sshd\[21303\]: Invalid user ansible from 45.148.10.28
Oct  2 17:34:33 abendstille sshd\[21303\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.28
Oct  2 17:34:35 abendstille sshd\[21303\]: Failed password for invalid user ansible from 45.148.10.28 port 35878 ssh2
Oct  2 17:35:06 abendstille sshd\[21770\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.28  user=root
Oct  2 17:35:09 abendstille sshd\[21770\]: Failed password for root from 45.148.10.28 port 36076 ssh2
...

Oct  2 12:20:39 shared-1 sshd\[20707\]: Invalid user webadmin from 45.148.10.28Oct  2 12:21:11 shared-1 sshd\[20732\]: Invalid user jira from 45.148.10.28
...

$f2bV_matches

 TCP (SYN) 45.148.10.28:55843 -> port 22, len 44

 TCP (SYN) 45.148.10.28:36836 -> port 8080, len 44

 TCP (SYN) 45.148.10.28:56514 -> port 80, len 40

Brute force attack stopped by firewall

 TCP (SYN) 45.148.10.28:52597 -> port 80, len 44

Looking for boaform

srv02 Mass scanning activity detected Target: 8080(http-alt) ..

firewall-block, port(s): 8080/tcp

srvr1: (mod_security) mod_security (id:920350) triggered by 45.148.10.28 (AD/-/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/06 06:18:52 [error] 47544#0: *100361 [client 45.148.10.28] ModSecurity: Access denied with code 406 (phase 2). Matched "Operator `Rx' with parameter `^[\d.:]+$' against variable `REQUEST_HEADERS:Host'  [redacted] [file "/etc/modsecurity.d/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "718"] [id "920350"] [rev ""] [msg "Host header is a numeric IP address"] [redacted] [severity "4"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/210/272"] [tag "PCI/6.5.10"] [redacted] [uri "/boaform/admin/formLogin"] [unique_id "159937313244.541040"] [ref "o0,16v45,16"], client: 45.148.10.28, [redacted] request: "POST /boaform/admin/formLogin HTTP/1.1" [redacted]

 TCP (SYN) 45.148.10.28:39138 -> port 80, len 44

Scanning an empty webserver with deny all robots.txt

Scanner : /boaform/admin/formLogin

Aug 31 15:51:35 : SSH login attempts with invalid user

DDoS Inbound

Bruteforce detected by fail2ban

Unable to negotiate with 45.148.10.186 port 47964: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]

Oct 13 05:18:03 server2 sshd\[31409\]: Invalid user user from 45.148.10.15
Oct 13 05:18:48 server2 sshd\[31424\]: Invalid user server from 45.148.10.15
Oct 13 05:19:33 server2 sshd\[31465\]: Invalid user steam from 45.148.10.15
Oct 13 05:20:17 server2 sshd\[31678\]: Invalid user vmware from 45.148.10.15
Oct 13 05:21:00 server2 sshd\[31685\]: Invalid user microsoft from 45.148.10.15
Oct 13 05:21:44 server2 sshd\[31730\]: Invalid user cloud from 45.148.10.15

Oct 13 05:33:03 ns308116 sshd[11001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.186  user=root
Oct 13 05:33:05 ns308116 sshd[11001]: Failed password for root from 45.148.10.186 port 41866 ssh2
Oct 13 05:33:38 ns308116 sshd[11016]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.186  user=root
Oct 13 05:33:40 ns308116 sshd[11016]: Failed password for root from 45.148.10.186 port 39380 ssh2
Oct 13 05:34:15 ns308116 sshd[11027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.186  user=root
...

Oct 12 23:36:06 srv-ubuntu-dev3 sshd[31523]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.15
Oct 12 23:36:06 srv-ubuntu-dev3 sshd[31523]: Invalid user user from 45.148.10.15
Oct 12 23:36:08 srv-ubuntu-dev3 sshd[31523]: Failed password for invalid user user from 45.148.10.15 port 40704 ssh2
Oct 12 23:36:38 srv-ubuntu-dev3 sshd[31590]: Invalid user 123Diego from 45.148.10.15
Oct 12 23:36:38 srv-ubuntu-dev3 sshd[31590]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.10.15
Oct 12 23:36:38 srv-ubuntu-dev3 sshd[31590]: Invalid user 123Diego from 45.148.10.15
Oct 12 23:36:40 srv-ubuntu-dev3 sshd[31590]: Failed password for invalid user 123Diego from 45.148.10.15 port 59760 ssh2
Oct 12 23:37:17 srv-ubuntu-dev3 sshd[31656]: Invalid user Alphanetworks from 45.148.10.15
Oct 12 23:37:17 srv-ubuntu-dev3 sshd[31656]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rh
...

Fail2Ban

Fail2Ban

Invalid user ubuntu from 45.148.10.65 port 43138

Brute force attempt

Oct 01 10:49:15 host sshd[12378]: Invalid user ubuntu from 45.148.10.65 port 41060

Cowrie Honeypot: 10 unauthorised SSH/Telnet login attempts between 2020-10-11T05:41:40Z and 2020-10-11T05:47:54Z

Unauthorized connection attempt detected from IP address 45.148.10.65 to port 22

Oct 11 01:15:04 rotator sshd\[26401\]: Failed password for root from 45.148.10.15 port 40526 ssh2Oct 11 01:15:48 rotator sshd\[27150\]: Failed password for root from 45.148.10.15 port 59498 ssh2Oct 11 01:16:29 rotator sshd\[27159\]: Failed password for root from 45.148.10.15 port 50118 ssh2Oct 11 01:17:11 rotator sshd\[27170\]: Failed password for root from 45.148.10.15 port 40796 ssh2Oct 11 01:17:49 rotator sshd\[27180\]: Invalid user tomcat from 45.148.10.15Oct 11 01:17:51 rotator sshd\[27180\]: Failed password for invalid user tomcat from 45.148.10.15 port 59744 ssh2
...

Oct 11 00:45:05 nas sshd[30211]: Failed password for root from 45.148.10.65 port 35858 ssh2
Oct 11 00:45:38 nas sshd[30411]: Failed password for root from 45.148.10.65 port 37276 ssh2
...

2020-09-14T09:45:49.292874afi-git.jinr.ru sshd[22549]: Failed password for root from 222.186.190.2 port 8710 ssh2
2020-09-14T09:45:52.651402afi-git.jinr.ru sshd[22549]: Failed password for root from 222.186.190.2 port 8710 ssh2
2020-09-14T09:45:56.421652afi-git.jinr.ru sshd[22549]: Failed password for root from 222.186.190.2 port 8710 ssh2
2020-09-14T09:45:56.421811afi-git.jinr.ru sshd[22549]: error: maximum authentication attempts exceeded for root from 222.186.190.2 port 8710 ssh2 [preauth]
2020-09-14T09:45:56.421827afi-git.jinr.ru sshd[22549]: Disconnecting: Too many authentication failures [preauth]
...

Unauthorised access (Sep 14) SRC=180.242.202.151 LEN=40 TTL=54 ID=56074 TCP DPT=23 WINDOW=43096 SYN

5x Failed Password

(sshd) Failed SSH login from 167.71.53.164 (DE/Germany/Hesse/Frankfurt am Main/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 14 01:42:01 atlas sshd[4670]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.53.164  user=root
Sep 14 01:42:03 atlas sshd[4670]: Failed password for root from 167.71.53.164 port 59011 ssh2
Sep 14 01:56:05 atlas sshd[8338]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.53.164  user=root
Sep 14 01:56:06 atlas sshd[8338]: Failed password for root from 167.71.53.164 port 26070 ssh2
Sep 14 01:59:47 atlas sshd[9158]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.53.164  user=root

port scan and connect, tcp 8080 (http-proxy)

Sep 14 08:15:12 marvibiene sshd[30154]: Failed password for root from 189.240.62.227 port 54490 ssh2
Sep 14 08:24:25 marvibiene sshd[30684]: Failed password for root from 189.240.62.227 port 55270 ssh2
Sep 14 08:29:00 marvibiene sshd[30936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.240.62.227

Sep 13 22:29:41 ny01 sshd[860]: Failed password for root from 101.236.60.31 port 47000 ssh2
Sep 13 22:33:01 ny01 sshd[1261]: Failed password for root from 101.236.60.31 port 47270 ssh2
Sep 13 22:36:19 ny01 sshd[1714]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.236.60.31

Sep 14 09:11:07 piServer sshd[29976]: Failed password for root from 149.56.12.88 port 49444 ssh2
Sep 14 09:14:00 piServer sshd[30238]: Failed password for root from 149.56.12.88 port 40786 ssh2
...

(eximsyntax) Exim syntax errors from 123.21.89.241 (VN/Vietnam/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-09-13 21:25:56 SMTP call from [123.21.89.241] dropped: too many syntax or protocol errors (last command was "?\034?\032?\027?\031?\034?\033?\030?\032?\026?\016?\r?\v?\f?	?")

Sep 14 08:29:21 router sshd[23234]: Failed password for root from 180.76.136.193 port 58597 ssh2
Sep 14 08:30:47 router sshd[23238]: Failed password for root from 180.76.136.193 port 18746 ssh2
...

Telnet/23 MH Probe, Scan, BF, Hack -

Sep 14 06:44:11 powerpi2 sshd[23665]: Failed password for invalid user VM from 134.209.83.43 port 51112 ssh2
Sep 14 06:47:56 powerpi2 sshd[23828]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.83.43  user=root
Sep 14 06:47:58 powerpi2 sshd[23828]: Failed password for root from 134.209.83.43 port 38770 ssh2
...

Sep 14 07:04:26 plex-server sshd[2751307]: Failed password for root from 123.31.32.150 port 59462 ssh2
Sep 14 07:07:31 plex-server sshd[2753144]: Invalid user oracle from 123.31.32.150 port 46644
Sep 14 07:07:31 plex-server sshd[2753144]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.31.32.150 
Sep 14 07:07:31 plex-server sshd[2753144]: Invalid user oracle from 123.31.32.150 port 46644
Sep 14 07:07:34 plex-server sshd[2753144]: Failed password for invalid user oracle from 123.31.32.150 port 46644 ssh2
...

CMS (WordPress or Joomla) login attempt.

Sep 14 09:10:53 marvibiene sshd[7943]: Failed password for root from 51.83.69.84 port 47004 ssh2
Sep 14 09:10:56 marvibiene sshd[7943]: Failed password for root from 51.83.69.84 port 47004 ssh2