Sep 27 07:57:49 mockhub sshd[66185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18 
Sep 27 07:57:49 mockhub sshd[66185]: Invalid user user2 from 161.35.9.18 port 51628
Sep 27 07:57:51 mockhub sshd[66185]: Failed password for invalid user user2 from 161.35.9.18 port 51628 ssh2
...

(sshd) Failed SSH login from 161.35.9.18 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 27 04:27:18 server2 sshd[20727]: Invalid user cumulus from 161.35.9.18
Sep 27 04:27:18 server2 sshd[20727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18 
Sep 27 04:27:20 server2 sshd[20727]: Failed password for invalid user cumulus from 161.35.9.18 port 56660 ssh2
Sep 27 04:34:17 server2 sshd[25588]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18  user=root
Sep 27 04:34:19 server2 sshd[25588]: Failed password for root from 161.35.9.18 port 58002 ssh2

Aug 29 10:48:03 santamaria sshd\[1184\]: Invalid user android from 161.35.9.18
Aug 29 10:48:03 santamaria sshd\[1184\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18
Aug 29 10:48:05 santamaria sshd\[1184\]: Failed password for invalid user android from 161.35.9.18 port 42808 ssh2
...

Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-08-03T15:57:17Z and 2020-08-03T16:00:41Z

Total attacks: 2

SSH Brute Force

Brute-force attempt banned

Jul 10 23:45:44 srv-ubuntu-dev3 sshd[31237]: Invalid user julielin from 161.35.9.18
Jul 10 23:45:44 srv-ubuntu-dev3 sshd[31237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18
Jul 10 23:45:44 srv-ubuntu-dev3 sshd[31237]: Invalid user julielin from 161.35.9.18
Jul 10 23:45:46 srv-ubuntu-dev3 sshd[31237]: Failed password for invalid user julielin from 161.35.9.18 port 43574 ssh2
Jul 10 23:49:47 srv-ubuntu-dev3 sshd[31823]: Invalid user site03 from 161.35.9.18
Jul 10 23:49:47 srv-ubuntu-dev3 sshd[31823]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18
Jul 10 23:49:47 srv-ubuntu-dev3 sshd[31823]: Invalid user site03 from 161.35.9.18
Jul 10 23:49:50 srv-ubuntu-dev3 sshd[31823]: Failed password for invalid user site03 from 161.35.9.18 port 40656 ssh2
Jul 10 23:53:47 srv-ubuntu-dev3 sshd[32453]: Invalid user wolfgang from 161.35.9.18
...

Jul  6 19:07:28 gw1 sshd[21399]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18
Jul  6 19:07:30 gw1 sshd[21399]: Failed password for invalid user redmine from 161.35.9.18 port 38468 ssh2
...

Jun 21 08:06:25 eventyay sshd[32140]: Failed password for root from 161.35.9.18 port 37488 ssh2
Jun 21 08:10:07 eventyay sshd[32251]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.9.18
Jun 21 08:10:10 eventyay sshd[32251]: Failed password for invalid user ts3 from 161.35.9.18 port 39860 ssh2
...

Invalid user teamspeak from 161.35.9.18 port 59730

Terima kasih sudah membuat sebuah artikel ini, 
saya mendapatkan beberapa inspirdasi menarik ddi website 上报IP - IPInfo.



Saya merupakan orang yang menyukai nikmati kehidupan. Saya lakukan perihal apa saja yang saya sukai, selamanya tidak bikin rugi seseorang.
Tersebut konsep saya.

Saya berasa sya ialah orang yang penuh hoki.
Belakangan ini saya suka mengetes peruntungan saya di 
web judi online CepatToto http://cepattoto.com/

Apabila kamu ppun terasa menjadi orang yang untung, silahkan singgahi blog 
di itu.

2020-10-09T17:56:12.912055galaxy.wi.uni-potsdam.de sshd[27468]: Failed password for invalid user sage from 161.35.99.173 port 48366 ssh2
2020-10-09T17:57:18.060145galaxy.wi.uni-potsdam.de sshd[27608]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.99.173  user=root
2020-10-09T17:57:19.623064galaxy.wi.uni-potsdam.de sshd[27608]: Failed password for root from 161.35.99.173 port 36454 ssh2
2020-10-09T17:58:18.628984galaxy.wi.uni-potsdam.de sshd[27718]: Invalid user backup from 161.35.99.173 port 52770
2020-10-09T17:58:18.633948galaxy.wi.uni-potsdam.de sshd[27718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.99.173
2020-10-09T17:58:18.628984galaxy.wi.uni-potsdam.de sshd[27718]: Invalid user backup from 161.35.99.173 port 52770
2020-10-09T17:58:20.770306galaxy.wi.uni-potsdam.de sshd[27718]: Failed password for invalid user backup from 161.35.99.173 port 52770 ssh2
2020-10-09T17:59:20.599649gal
...

non-SMTP command used
...

non-SMTP command used
...

161.35.99.173 (US/United States/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Oct  4 18:58:15 server2 sshd[31541]: Failed password for root from 31.129.68.164 port 52624 ssh2
Oct  4 18:58:16 server2 sshd[31543]: Failed password for root from 190.104.149.36 port 44424 ssh2
Oct  4 18:58:50 server2 sshd[31667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.199.180  user=root
Oct  4 18:58:52 server2 sshd[31667]: Failed password for root from 137.74.199.180 port 52304 ssh2
Oct  4 18:58:57 server2 sshd[31756]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.99.173  user=root
Oct  4 18:58:14 server2 sshd[31543]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.104.149.36  user=root

IP Addresses Blocked:

31.129.68.164 (UA/Ukraine/-)
190.104.149.36 (PY/Paraguay/-)
137.74.199.180 (FR/France/-)

Oct  4 07:50:22 rancher-0 sshd[449384]: Invalid user sysop from 161.35.99.173 port 37014
...

Oct  4 07:50:22 rancher-0 sshd[449384]: Invalid user sysop from 161.35.99.173 port 37014
...

detected by Fail2Ban

Sep 30 17:38:17 mavik sshd[30603]: Invalid user vboxuser from 161.35.99.173
Sep 30 17:38:17 mavik sshd[30603]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.99.173
Sep 30 17:38:18 mavik sshd[30603]: Failed password for invalid user vboxuser from 161.35.99.173 port 53774 ssh2
Sep 30 17:40:47 mavik sshd[30755]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.99.173  user=root
Sep 30 17:40:49 mavik sshd[30755]: Failed password for root from 161.35.99.173 port 46738 ssh2
...

Sep 30 11:32:00 cp sshd[1362]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.99.173

srvr2: (mod_security) mod_security (id:920350) triggered by 161.35.91.28 (NL/-/-): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/24 22:37:37 [error] 439286#0: *449706 [client 161.35.91.28] 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 "/"] [unique_id "160097985762.292721"] [ref "o0,15v21,15"], client: 161.35.91.28, [redacted] request: "GET / HTTP/1.1" [redacted]

srvr2: (mod_security) mod_security (id:920350) triggered by 161.35.91.28 (NL/-/-): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/24 22:37:37 [error] 439286#0: *449706 [client 161.35.91.28] 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 "/"] [unique_id "160097985762.292721"] [ref "o0,15v21,15"], client: 161.35.91.28, [redacted] request: "GET / HTTP/1.1" [redacted]

srvr2: (mod_security) mod_security (id:920350) triggered by 161.35.91.28 (NL/-/-): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/24 22:37:37 [error] 439286#0: *449706 [client 161.35.91.28] 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 "/"] [unique_id "160097985762.292721"] [ref "o0,15v21,15"], client: 161.35.91.28, [redacted] request: "GET / HTTP/1.1" [redacted]

Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root

$f2bV_matches

schuetzenmusikanten.de 103.105.128.60 \[06/Oct/2019:13:37:27 +0200\] "POST /wp-login.php HTTP/1.1" 200 5682 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
schuetzenmusikanten.de 103.105.128.60 \[06/Oct/2019:13:37:29 +0200\] "POST /wp-login.php HTTP/1.1" 200 5648 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

GET (not exists) posting.php-spambot

Oct  6 13:33:20 root sshd[8590]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.182.64.56 
Oct  6 13:33:22 root sshd[8590]: Failed password for invalid user Heslo_111 from 194.182.64.56 port 57186 ssh2
Oct  6 13:37:33 root sshd[8637]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.182.64.56 
...

Oct  6 12:52:15 game-panel sshd[22068]: Failed password for root from 104.50.8.212 port 36066 ssh2
Oct  6 12:56:22 game-panel sshd[22237]: Failed password for root from 104.50.8.212 port 46808 ssh2

Oct  6 18:36:42 work-partkepr sshd\[16954\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.126.243  user=root
Oct  6 18:36:45 work-partkepr sshd\[16954\]: Failed password for root from 51.68.126.243 port 44768 ssh2
...

Oct  6 19:08:05 ip-172-31-1-72 sshd\[620\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.215.90  user=root
Oct  6 19:08:08 ip-172-31-1-72 sshd\[620\]: Failed password for root from 94.23.215.90 port 59019 ssh2
Oct  6 19:11:36 ip-172-31-1-72 sshd\[797\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.215.90  user=root
Oct  6 19:11:38 ip-172-31-1-72 sshd\[797\]: Failed password for root from 94.23.215.90 port 53273 ssh2
Oct  6 19:15:06 ip-172-31-1-72 sshd\[837\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.215.90  user=root

Oct  6 16:53:45 MK-Soft-VM7 sshd[27044]: Failed password for root from 116.196.82.52 port 38092 ssh2
...

SSH Bruteforce attack

SSH invalid-user multiple login try

fail2ban honeypot

$f2bV_matches

2019-10-06 dovecot_login authenticator failed for \(**REMOVED**\) \[124.224.211.235\]: 535 Incorrect authentication data \(set_id=nologin@**REMOVED**\)
2019-10-06 dovecot_login authenticator failed for \(**REMOVED**\) \[124.224.211.235\]: 535 Incorrect authentication data \(set_id=webmaster@**REMOVED**\)
2019-10-06 dovecot_login authenticator failed for \(**REMOVED**\) \[124.224.211.235\]: 535 Incorrect authentication data \(set_id=admin@**REMOVED**\)

[Aegis] @ 2019-10-06 15:12:40  0100 -> Multiple authentication failures.

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

WordPress wp-login brute force :: 178.128.198.238 0.044 BYPASS [07/Oct/2019:06:14:21  1100] [censored_2] "POST /wp-login.php HTTP/1.1" 200 4630 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"