spam (f2b h2)

11/12/2019-17:01:17.879370 37.49.230.2 Protocol: 17 ET SCAN Sipvicious Scan

firewall-block, port(s): 5060/udp

MultiHost/MultiPort Probe, Scan, Hack -

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

Sep 28 04:43:13 hcbbdb sshd\[13596\]: Invalid user super from 178.176.60.196
Sep 28 04:43:13 hcbbdb sshd\[13596\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.176.60.196
Sep 28 04:43:15 hcbbdb sshd\[13596\]: Failed password for invalid user super from 178.176.60.196 port 46634 ssh2
Sep 28 04:47:38 hcbbdb sshd\[14042\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.176.60.196  user=www-data
Sep 28 04:47:40 hcbbdb sshd\[14042\]: Failed password for www-data from 178.176.60.196 port 58264 ssh2

2019-09-28T02:22:24.3395981495-001 sshd\[1906\]: Failed password for invalid user uu from 187.216.127.147 port 54892 ssh2
2019-09-28T02:35:42.8276071495-001 sshd\[2781\]: Invalid user csgo from 187.216.127.147 port 34068
2019-09-28T02:35:42.8355781495-001 sshd\[2781\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.216.127.147
2019-09-28T02:35:44.3970161495-001 sshd\[2781\]: Failed password for invalid user csgo from 187.216.127.147 port 34068 ssh2
2019-09-28T02:40:02.1605241495-001 sshd\[3133\]: Invalid user tani from 187.216.127.147 port 45952
2019-09-28T02:40:02.1681601495-001 sshd\[3133\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.216.127.147
...

Sep 28 06:46:22 DAAP sshd[11749]: Invalid user test from 180.250.115.93 port 47345
Sep 28 06:46:22 DAAP sshd[11749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.250.115.93
Sep 28 06:46:22 DAAP sshd[11749]: Invalid user test from 180.250.115.93 port 47345
Sep 28 06:46:25 DAAP sshd[11749]: Failed password for invalid user test from 180.250.115.93 port 47345 ssh2
Sep 28 06:50:59 DAAP sshd[11819]: Invalid user Server from 180.250.115.93 port 39581
...

Automatic report - Port Scan Attack

Sep 28 00:22:36 vtv3 sshd\[13469\]: Invalid user pcmc from 116.85.11.192 port 38010
Sep 28 00:22:36 vtv3 sshd\[13469\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.85.11.192
Sep 28 00:22:38 vtv3 sshd\[13469\]: Failed password for invalid user pcmc from 116.85.11.192 port 38010 ssh2
Sep 28 00:26:18 vtv3 sshd\[15366\]: Invalid user nl from 116.85.11.192 port 41318
Sep 28 00:26:18 vtv3 sshd\[15366\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.85.11.192
Sep 28 00:37:03 vtv3 sshd\[20942\]: Invalid user robbie from 116.85.11.192 port 51236
Sep 28 00:37:03 vtv3 sshd\[20942\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.85.11.192
Sep 28 00:37:05 vtv3 sshd\[20942\]: Failed password for invalid user robbie from 116.85.11.192 port 51236 ssh2
Sep 28 00:40:46 vtv3 sshd\[22886\]: Invalid user siverko from 116.85.11.192 port 54542
Sep 28 00:40:46 vtv3 sshd\[22886\]: pam_un

Invalid user carrerasoft from 190.129.173.157 port 28802

Sep 28 01:42:44 aat-srv002 sshd[2771]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.145.170.174
Sep 28 01:42:46 aat-srv002 sshd[2771]: Failed password for invalid user shea from 132.145.170.174 port 14048 ssh2
Sep 28 01:47:25 aat-srv002 sshd[2895]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.145.170.174
Sep 28 01:47:27 aat-srv002 sshd[2895]: Failed password for invalid user volubrjot from 132.145.170.174 port 52173 ssh2
...

Sep 28 12:22:49 gw1 sshd[23704]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.202.218
Sep 28 12:22:51 gw1 sshd[23704]: Failed password for invalid user sabin from 51.75.202.218 port 57724 ssh2
...

Sep 28 07:04:56 site3 sshd\[114628\]: Invalid user ss from 54.37.136.87
Sep 28 07:04:56 site3 sshd\[114628\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.136.87
Sep 28 07:04:58 site3 sshd\[114628\]: Failed password for invalid user ss from 54.37.136.87 port 56602 ssh2
Sep 28 07:09:10 site3 sshd\[114770\]: Invalid user printer from 54.37.136.87
Sep 28 07:09:10 site3 sshd\[114770\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.136.87
...

fail2ban honeypot

28.09.2019 06:48:28 Connection to port 5060 blocked by firewall

Sep 28 08:34:45 jane sshd[30672]: Failed password for root from 54.37.17.251 port 60474 ssh2
Sep 28 08:38:40 jane sshd[1318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.17.251 
...

Invalid user user1 from 106.52.18.180 port 59680

Sep 28 06:19:03 vps647732 sshd[7198]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.179.154
Sep 28 06:19:05 vps647732 sshd[7198]: Failed password for invalid user kunishige from 80.211.179.154 port 40650 ssh2
...

Sep 28 07:09:25 tuotantolaitos sshd[6201]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.125.2.234
Sep 28 07:09:27 tuotantolaitos sshd[6201]: Failed password for invalid user iota from 189.125.2.234 port 43832 ssh2
...