Bible

2020-10-13T06:44:21.356144news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
2020-10-13T06:44:25.395781news0 dovecot[21131]: pop3-login: Aborted login (auth failed, 1 attempts in 4 secs): user=, method=PLAIN, rip=37.49.230.238, lip=95.111.246.42, session=
2020-10-13T06:44:28.401407news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
...

2020-10-13T06:44:21.356144news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
2020-10-13T06:44:25.395781news0 dovecot[21131]: pop3-login: Aborted login (auth failed, 1 attempts in 4 secs): user=, method=PLAIN, rip=37.49.230.238, lip=95.111.246.42, session=
2020-10-13T06:44:28.401407news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
...

Dovecot Invalid User Login Attempt.

"AmooT";tag=3533393765393339313363340132313832313335333935

\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.624+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffea08d88",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="096f171f",ReceivedChallenge="096f171f",ReceivedHash="b099bdfad5869da4ae2114a56a2b4299"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.759+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffeab8148",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="233a417c",ReceivedChallenge="233a417c",ReceivedHash="0017581d14759d4b5ad3a404ed924131"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.783+0200",Severity="Error",Service="SIP",EventVersion="2",Accoun
...

\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.624+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffea08d88",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="096f171f",ReceivedChallenge="096f171f",ReceivedHash="b099bdfad5869da4ae2114a56a2b4299"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.759+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffeab8148",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="233a417c",ReceivedChallenge="233a417c",ReceivedHash="0017581d14759d4b5ad3a404ed924131"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.783+0200",Severity="Error",Service="SIP",EventVersion="2",Accoun
...

[N1.H1.VM1] Port Scanner Detected Blocked by UFW

SIP Server BruteForce Attack

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

Hellooo

Hellooo

Sep 28 15:49:19 : SSH login attempts with invalid user

[2020-08-02 19:09:24] NOTICE[1248][C-00002f60] chan_sip.c: Call from '' (77.247.178.201:64881) to extension '011442037697638' rejected because extension not found in context 'public'.
[2020-08-02 19:09:24] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-02T19:09:24.704-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011442037697638",SessionID="0x7f27205a5c28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.178.201/64881",ACLName="no_extension_match"
[2020-08-02 19:09:51] NOTICE[1248][C-00002f62] chan_sip.c: Call from '' (77.247.178.201:63321) to extension '011442037693520' rejected because extension not found in context 'public'.
[2020-08-02 19:09:51] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-02T19:09:51.509-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011442037693520",SessionID="0x7f272007c5b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/U
...

(smtpauth) Failed SMTP AUTH login from 80.90.136.137 (CZ/Czechia/80-90-136-137.static.oxid.cz): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-08-03 00:52:53 plain authenticator failed for 80-90-136-137.static.oxid.cz [80.90.136.137]: 535 Incorrect authentication data (set_id=info@partsafhe.com)

$f2bV_matches

Aug  2 22:41:03 vps-51d81928 sshd[400755]: Failed password for root from 204.93.169.50 port 53304 ssh2
Aug  2 22:43:21 vps-51d81928 sshd[400789]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=204.93.169.50  user=root
Aug  2 22:43:23 vps-51d81928 sshd[400789]: Failed password for root from 204.93.169.50 port 37438 ssh2
Aug  2 22:45:41 vps-51d81928 sshd[400830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=204.93.169.50  user=root
Aug  2 22:45:42 vps-51d81928 sshd[400830]: Failed password for root from 204.93.169.50 port 47296 ssh2
...

Aug  2 23:24:21 django-0 sshd[5209]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.223  user=root
Aug  2 23:24:23 django-0 sshd[5209]: Failed password for root from 222.186.180.223 port 60244 ssh2
...

$f2bV_matches

109.70.100.31 - - [02/Aug/2020:13:30:12 -0700] "GET /wp-json/wp/v2/users/1 HTTP/1.1" 404 11593 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0"
...

Aug  3 00:49:40 ip40 sshd[21812]: Failed password for root from 115.238.62.154 port 27293 ssh2
...

DATE:2020-08-02 22:22:26, IP:178.255.96.70, PORT:1433 MSSQL brute force auth on honeypot server (honey-neo-dc)

2020-08-02T17:16:55.1620461495-001 sshd[45137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.145.8.50  user=root
2020-08-02T17:16:57.0979461495-001 sshd[45137]: Failed password for root from 118.145.8.50 port 41936 ssh2
2020-08-02T17:20:45.3929991495-001 sshd[45344]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.145.8.50  user=root
2020-08-02T17:20:48.2371741495-001 sshd[45344]: Failed password for root from 118.145.8.50 port 44663 ssh2
2020-08-02T17:24:32.2813571495-001 sshd[45566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.145.8.50  user=root
2020-08-02T17:24:34.2875591495-001 sshd[45566]: Failed password for root from 118.145.8.50 port 47395 ssh2
...

Lines containing failures of 111.207.171.222
Aug  2 20:51:41 supported sshd[17431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.207.171.222  user=r.r
Aug  2 20:51:43 supported sshd[17431]: Failed password for r.r from 111.207.171.222 port 55126 ssh2
Aug  2 20:51:44 supported sshd[17431]: Received disconnect from 111.207.171.222 port 55126:11: Bye Bye [preauth]
Aug  2 20:51:44 supported sshd[17431]: Disconnected from authenticating user r.r 111.207.171.222 port 55126 [preauth]
Aug  2 20:57:37 supported sshd[18189]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.207.171.222  user=r.r
Aug  2 20:57:39 supported sshd[18189]: Failed password for r.r from 111.207.171.222 port 39780 ssh2
Aug  2 20:57:40 supported sshd[18189]: Received disconnect from 111.207.171.222 port 39780:11: Bye Bye [preauth]
Aug  2 20:57:40 supported sshd[18189]: Disconnected from authenticating user r.r 111.207.1........
------------------------------

20/8/2@16:22:11: FAIL: Alarm-Network address from=116.206.14.24
...

2020-08-02T23:25:37.371610shield sshd\[11049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.119.31  user=root
2020-08-02T23:25:39.401941shield sshd\[11049\]: Failed password for root from 94.191.119.31 port 46822 ssh2
2020-08-02T23:29:39.575316shield sshd\[11430\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.119.31  user=root
2020-08-02T23:29:42.162495shield sshd\[11430\]: Failed password for root from 94.191.119.31 port 53630 ssh2
2020-08-02T23:33:33.338096shield sshd\[11918\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.119.31  user=root

Bruteforce detected by fail2ban

"Unauthorized connection attempt on SSHD detected"