Feb 22 22:23:20 vpn sshd[20908]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.31.33.122
Feb 22 22:23:21 vpn sshd[20908]: Failed password for invalid user postgres from 64.31.33.122 port 45196 ssh2
Feb 22 22:27:28 vpn sshd[20924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.31.33.122

Jan 19 08:02:22 vpn sshd[2891]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.31.33.234
Jan 19 08:02:25 vpn sshd[2891]: Failed password for invalid user informix from 64.31.33.234 port 58436 ssh2
Jan 19 08:05:16 vpn sshd[2910]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.31.33.234

\[2019-08-03 05:07:01\] NOTICE\[2288\] chan_sip.c: Registration from '"878787" \' failed for '64.31.33.70:5295' - Wrong password
\[2019-08-03 05:07:01\] SECURITY\[2326\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-03T05:07:01.371-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="878787",SessionID="0x7ff4d0783388",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5295",Challenge="51e6bbed",ReceivedChallenge="51e6bbed",ReceivedHash="82e9d8d660bfb5020d49d0242850aaca"
\[2019-08-03 05:07:01\] NOTICE\[2288\] chan_sip.c: Registration from '"878787" \' failed for '64.31.33.70:5295' - Wrong password
\[2019-08-03 05:07:01\] SECURITY\[2326\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-03T05:07:01.453-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="878787",SessionID="0x7ff4d02d8f48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="I

\[2019-08-01 05:23:32\] NOTICE\[2288\] chan_sip.c: Registration from '"5027" \' failed for '64.31.33.70:5281' - Wrong password
\[2019-08-01 05:23:32\] SECURITY\[2326\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-01T05:23:32.801-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5027",SessionID="0x7ff4d00cdaf8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5281",Challenge="0cf526cc",ReceivedChallenge="0cf526cc",ReceivedHash="435b940988270990ddc71776585cd96b"
\[2019-08-01 05:23:32\] NOTICE\[2288\] chan_sip.c: Registration from '"5027" \' failed for '64.31.33.70:5281' - Wrong password
\[2019-08-01 05:23:32\] SECURITY\[2326\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-01T05:23:32.906-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5027",SessionID="0x7ff4d00ec4d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.3

CloudCIX Reconnaissance Scan Detected, PTR: 66-33-31-64.static.reverse.lstn.net.

\[2019-07-21 09:19:35\] NOTICE\[20804\] chan_sip.c: Registration from '"9090" \' failed for '64.31.33.70:5898' - Wrong password
\[2019-07-21 09:19:35\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-21T09:19:35.706-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9090",SessionID="0x7f06f823f758",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5898",Challenge="630f9b5c",ReceivedChallenge="630f9b5c",ReceivedHash="ebc666ba3c9931e8a9722af5d67592ac"
\[2019-07-21 09:19:35\] NOTICE\[20804\] chan_sip.c: Registration from '"9090" \' failed for '64.31.33.70:5898' - Wrong password
\[2019-07-21 09:19:35\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-21T09:19:35.778-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9090",SessionID="0x7f06f8009f28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/

\[2019-07-20 10:44:51\] NOTICE\[20804\] chan_sip.c: Registration from '"9001" \' failed for '64.31.33.70:5549' - Wrong password
\[2019-07-20 10:44:51\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-20T10:44:51.970-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9001",SessionID="0x7f06f8677b38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5549",Challenge="32e31359",ReceivedChallenge="32e31359",ReceivedHash="a22f4b71727c0e16b431f80a17b96604"
\[2019-07-20 10:44:52\] NOTICE\[20804\] chan_sip.c: Registration from '"9001" \' failed for '64.31.33.70:5549' - Wrong password
\[2019-07-20 10:44:52\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-20T10:44:52.047-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9001",SessionID="0x7f06f804c2c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/

\[2019-07-18 07:48:23\] NOTICE\[20804\] chan_sip.c: Registration from '"9090" \' failed for '64.31.33.70:5943' - Wrong password
\[2019-07-18 07:48:23\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-18T07:48:23.133-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9090",SessionID="0x7f06f823f758",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5943",Challenge="23d4fc03",ReceivedChallenge="23d4fc03",ReceivedHash="ea04502c51b50805c2128842cb65b5b7"
\[2019-07-18 07:48:23\] NOTICE\[20804\] chan_sip.c: Registration from '"9090" \' failed for '64.31.33.70:5943' - Wrong password
\[2019-07-18 07:48:23\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-18T07:48:23.211-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9090",SessionID="0x7f06f8009f28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/

\[2019-07-17 17:16:40\] NOTICE\[20804\] chan_sip.c: Registration from '"60" \' failed for '64.31.33.70:5938' - Wrong password
\[2019-07-17 17:16:40\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-17T17:16:40.136-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="60",SessionID="0x7f06f85ff978",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5938",Challenge="73d6bafc",ReceivedChallenge="73d6bafc",ReceivedHash="b81f470213bfc0a0faca2405edf219d9"
\[2019-07-17 17:16:40\] NOTICE\[20804\] chan_sip.c: Registration from '"60" \' failed for '64.31.33.70:5938' - Wrong password
\[2019-07-17 17:16:40\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-17T17:16:40.214-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="60",SessionID="0x7f06f804c2c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/

res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '"8001" ' failed for '64.31.33.70:5916' (callid: 677708513) - Failed to authenticate

17.07.2019 06:44:35 Connection to port 1020 blocked by firewall

\[2019-07-14 12:45:04\] NOTICE\[22786\] chan_sip.c: Registration from '"2082" \' failed for '64.31.33.70:6079' - Wrong password
\[2019-07-14 12:45:04\] SECURITY\[22794\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-14T12:45:04.785-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2082",SessionID="0x7f7544394d68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/6079",Challenge="22fee9a4",ReceivedChallenge="22fee9a4",ReceivedHash="909cdd05e07eb830cd90c8a17f9ccb59"
\[2019-07-14 12:45:04\] NOTICE\[22786\] chan_sip.c: Registration from '"2082" \' failed for '64.31.33.70:6079' - Wrong password
\[2019-07-14 12:45:04\] SECURITY\[22794\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-14T12:45:04.862-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2082",SessionID="0x7f75443af748",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/

[2019-07-13 21:33:54] NOTICE[4215] chan_sip.c: Registration from '"2056" ' failed for '64.31.33.70:5828' - Wrong password
[2019-07-13 21:33:54] SECURITY[4222] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-13T21:33:54.084-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2056",SessionID="0x7fdee4032e60",LocalAddress="IPV4/UDP/142.93.153.17/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5828",Challenge="6ccfb677",ReceivedChallenge="6ccfb677",ReceivedHash="1ca663d8f3bc8e41b7565d403126862f"
[2019-07-13 21:33:54] NOTICE[4215] chan_sip.c: Registration from '"2056" ' failed for '64.31.33.70:5828' - Wrong password
[2019-07-13 21:33:54] SECURITY[4222] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-13T21:33:54.183-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2056",SessionID="0x7fdee40a16c0",LocalAddress="IPV4/UDP/142.93.153.17/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5828",Challenge="2ecd7bae",Rec

\[2019-07-12 19:08:08\] NOTICE\[22786\] chan_sip.c: Registration from '"2010" \' failed for '64.31.33.70:5753' - Wrong password
\[2019-07-12 19:08:08\] SECURITY\[22794\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-12T19:08:08.193-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2010",SessionID="0x7f7544230ac8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5753",Challenge="7b19e12b",ReceivedChallenge="7b19e12b",ReceivedHash="abb0baaa9f8c0e9835ca3ccf232dff1e"
\[2019-07-12 19:08:08\] NOTICE\[22786\] chan_sip.c: Registration from '"2010" \' failed for '64.31.33.70:5753' - Wrong password
\[2019-07-12 19:08:08\] SECURITY\[22794\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-12T19:08:08.269-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2010",SessionID="0x7f75441b6d18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/

$f2bV_matches

Jun 22 14:48:23 server sshd[12584]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.160.55
Jun 22 14:48:25 server sshd[12584]: Failed password for invalid user na from 106.13.160.55 port 57608 ssh2
Jun 22 14:51:13 server sshd[12799]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.160.55
Jun 22 14:51:15 server sshd[12799]: Failed password for invalid user sysadmin from 106.13.160.55 port 46732 ssh2
...

Jun 22 14:29:16 h2646465 sshd[10358]: Invalid user sungki from 101.255.124.93
Jun 22 14:29:16 h2646465 sshd[10358]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.255.124.93
Jun 22 14:29:16 h2646465 sshd[10358]: Invalid user sungki from 101.255.124.93
Jun 22 14:29:18 h2646465 sshd[10358]: Failed password for invalid user sungki from 101.255.124.93 port 43548 ssh2
Jun 22 14:41:06 h2646465 sshd[11279]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.255.124.93  user=root
Jun 22 14:41:08 h2646465 sshd[11279]: Failed password for root from 101.255.124.93 port 37542 ssh2
Jun 22 14:48:21 h2646465 sshd[11729]: Invalid user zhangzhe from 101.255.124.93
Jun 22 14:48:21 h2646465 sshd[11729]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.255.124.93
Jun 22 14:48:21 h2646465 sshd[11729]: Invalid user zhangzhe from 101.255.124.93
Jun 22 14:48:23 h2646465 sshd[11729]: Failed password for inv

Repeated brute force against a port

[H1] Blocked by UFW

2020-06-22T12:00:24.680043ionos.janbro.de sshd[19514]: Invalid user zfs from 157.97.80.205 port 52409
2020-06-22T12:00:26.901314ionos.janbro.de sshd[19514]: Failed password for invalid user zfs from 157.97.80.205 port 52409 ssh2
2020-06-22T12:03:34.139662ionos.janbro.de sshd[19527]: Invalid user teamspeak from 157.97.80.205 port 52146
2020-06-22T12:03:34.222861ionos.janbro.de sshd[19527]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.97.80.205
2020-06-22T12:03:34.139662ionos.janbro.de sshd[19527]: Invalid user teamspeak from 157.97.80.205 port 52146
2020-06-22T12:03:36.081667ionos.janbro.de sshd[19527]: Failed password for invalid user teamspeak from 157.97.80.205 port 52146 ssh2
2020-06-22T12:06:46.795844ionos.janbro.de sshd[19542]: Invalid user glf from 157.97.80.205 port 51890
2020-06-22T12:06:46.887021ionos.janbro.de sshd[19542]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.97.80.205
2020-0
...

Jun 22 16:03:46 ift sshd\[49253\]: Failed password for root from 218.92.0.165 port 46910 ssh2Jun 22 16:03:50 ift sshd\[49253\]: Failed password for root from 218.92.0.165 port 46910 ssh2Jun 22 16:03:53 ift sshd\[49253\]: Failed password for root from 218.92.0.165 port 46910 ssh2Jun 22 16:03:56 ift sshd\[49253\]: Failed password for root from 218.92.0.165 port 46910 ssh2Jun 22 16:04:00 ift sshd\[49253\]: Failed password for root from 218.92.0.165 port 46910 ssh2
...

Honeypot attack, port: 445, PTR: 88.230.182.55.dynamic.ttnet.com.tr.

Port Scan detected!
...

SSH bruteforce

Jun 22 02:38:32 web1 sshd\[30609\]: Invalid user 10 from 132.232.3.234
Jun 22 02:38:32 web1 sshd\[30609\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.3.234
Jun 22 02:38:34 web1 sshd\[30609\]: Failed password for invalid user 10 from 132.232.3.234 port 39742 ssh2
Jun 22 02:43:13 web1 sshd\[31129\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.3.234  user=mysql
Jun 22 02:43:15 web1 sshd\[31129\]: Failed password for mysql from 132.232.3.234 port 40380 ssh2

Jun 22 14:04:15 rocket sshd[24397]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.110.95.6
Jun 22 14:04:17 rocket sshd[24397]: Failed password for invalid user vnc from 185.110.95.6 port 45466 ssh2
...

20 attempts against mh-misbehave-ban on ice

HTTP/80/443/8080 Probe, Hack -

Honeypot attack, port: 445, PTR: 1-174-248-116.dynamic-ip.hinet.net.

Jun 22 06:13:54 dignus sshd[26837]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.20.146
Jun 22 06:13:56 dignus sshd[26837]: Failed password for invalid user user from 139.155.20.146 port 45268 ssh2
Jun 22 06:16:53 dignus sshd[27069]: Invalid user zhangyansen from 139.155.20.146 port 36822
Jun 22 06:16:53 dignus sshd[27069]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.20.146
Jun 22 06:16:56 dignus sshd[27069]: Failed password for invalid user zhangyansen from 139.155.20.146 port 36822 ssh2
...