\[2019-10-30 08:20:25\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:25.529-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1791001018647127882",SessionID="0x7fdf2cd1cd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/53735",ACLName="no_extension_match"
\[2019-10-30 08:20:34\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:34.162-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1799618647127882",SessionID="0x7fdf2c7144f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/50383",ACLName="no_extension_match"
\[2019-10-30 08:20:38\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:38.493-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011018647127882",SessionID="0x7fdf2c745a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/63554",ACLName="no_e

\[2019-10-30 04:03:15\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:15.855-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176390018647127882",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/60928",ACLName="no_extension_match"
\[2019-10-30 04:03:21\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:21.953-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176490018647127882",SessionID="0x7fdf2cd1cd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/65124",ACLName="no_extension_match"
\[2019-10-30 04:03:28\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:28.278-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176590018647127882",SessionID="0x7fdf2cae1298",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/52976",ACLNam

\[2019-10-29 04:16:59\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:16:59.656-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047187410018647127882",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/49584",ACLName="no_extension_match"
\[2019-10-29 04:17:05\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:17:05.790-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047185410018647127882",SessionID="0x7fdf2cccf908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/54083",ACLName="no_extension_match"
\[2019-10-29 04:17:11\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:17:11.997-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047184410018647127882",SessionID="0x7fdf2cc27d48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/6

\[2019-09-21 10:48:32\] NOTICE\[29653\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.81:50184' \(callid: 77174822-1309346008-1391373692\) - Failed to authenticate
\[2019-09-21 10:48:32\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-21T10:48:32.153+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="77174822-1309346008-1391373692",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.81/50184",Challenge="1569055712/c63deb322dea58b9ab7889fac6d36200",Response="531c392b7364222530ea16c7095ea3e1",ExpectedResponse=""
\[2019-09-21 10:48:32\] NOTICE\[7412\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.81:50184' \(callid: 77174822-1309346008-1391373692\) - Failed to authenticate
\[2019-09-21 10:48:32\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFail

MultiHost/MultiPort Probe, Scan, Hack -

\[2019-10-25 23:40:23\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:40:23.289-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="456456011972567202500",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/62040",ACLName="no_extension_match"
\[2019-10-25 23:43:00\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:43:00.183-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12332111972567202500",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/58745",ACLName="no_extension_match"
\[2019-10-25 23:45:25\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:45:25.814-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1235401972567202500",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/57279",ACL

\[2019-09-21 01:16:28\] NOTICE\[28964\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:49244' \(callid: 2052651319-1545488846-1323134879\) - Failed to authenticate
\[2019-09-21 01:16:28\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-21T01:16:28.360+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="2052651319-1545488846-1323134879",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/49244",Challenge="1569021388/9708fec912cef4c7b5e47e0b2dfaae77",Response="f947cf3fa3601096fcb913b07f17169a",ExpectedResponse=""
\[2019-09-21 01:16:28\] NOTICE\[14660\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:49244' \(callid: 2052651319-1545488846-1323134879\) - Failed to authenticate
\[2019-09-21 01:16:28\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeRespo

\[2019-09-20 10:02:01\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-20T10:02:01.804+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="565353943-1156003181-109101563",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/58719",Challenge="1568966521/440db8c71a99b7d968b84654a6f36c28",Response="d9166415d33a177bcf43fb07661d6770",ExpectedResponse=""
\[2019-09-20 10:02:01\] NOTICE\[9368\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFail

\[2019-09-19 15:45:47\] NOTICE\[7412\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.66:56276' \(callid: 1097752430-134272716-183698984\) - Failed to authenticate
\[2019-09-19 15:45:47\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-19T15:45:47.552+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1097752430-134272716-183698984",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.66/56276",Challenge="1568900747/f02b12da0ed75713387b509517facc7c",Response="ede0c971ba7a367dbbdbe1938976153d",ExpectedResponse=""
\[2019-09-19 15:45:47\] NOTICE\[1168\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.66:56276' \(callid: 1097752430-134272716-183698984\) - Failed to authenticate
\[2019-09-19 15:45:47\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFaile

\[2019-09-19 12:44:16\] NOTICE\[24264\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58548' \(callid: 1747344148-452039810-1581798561\) - Failed to authenticate
\[2019-09-19 12:44:16\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-19T12:44:16.047+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1747344148-452039810-1581798561",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/58548",Challenge="1568889855/6202d82d009b5c04780cf2286bb46856",Response="3fdb5a388ffa152c3434fabad3d69387",ExpectedResponse=""
\[2019-09-19 12:44:16\] NOTICE\[9368\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58548' \(callid: 1747344148-452039810-1581798561\) - Failed to authenticate
\[2019-09-19 12:44:16\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseF

Icarus honeypot on github

Brute force attempt

Logfile match

2020-09-01T04:02:37.234604shield sshd\[1881\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.23.100.87  user=ftp
2020-09-01T04:02:39.141760shield sshd\[1881\]: Failed password for ftp from 103.23.100.87 port 34742 ssh2
2020-09-01T04:06:30.334966shield sshd\[3146\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.23.100.87  user=root
2020-09-01T04:06:32.894022shield sshd\[3146\]: Failed password for root from 103.23.100.87 port 58561 ssh2
2020-09-01T04:10:16.875451shield sshd\[4400\]: Invalid user ljq from 103.23.100.87 port 54138

Aug 31 17:59:15 hanapaa sshd\[16883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.32.229  user=root
Aug 31 17:59:17 hanapaa sshd\[16883\]: Failed password for root from 106.75.32.229 port 56804 ssh2
Aug 31 18:02:05 hanapaa sshd\[17086\]: Invalid user test101 from 106.75.32.229
Aug 31 18:02:05 hanapaa sshd\[17086\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.32.229
Aug 31 18:02:08 hanapaa sshd\[17086\]: Failed password for invalid user test101 from 106.75.32.229 port 60112 ssh2

Banned for a week because repeated abuses, for example SSH, but not only

Honeypot hit.

 TCP (SYN) 193.228.91.11:49477 -> port 22, len 48

Sep  1 08:42:42 home sshd[3929039]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.232  user=root
Sep  1 08:42:44 home sshd[3929039]: Failed password for root from 112.85.42.232 port 42104 ssh2
Sep  1 08:42:42 home sshd[3929039]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.232  user=root
Sep  1 08:42:44 home sshd[3929039]: Failed password for root from 112.85.42.232 port 42104 ssh2
Sep  1 08:42:46 home sshd[3929039]: Failed password for root from 112.85.42.232 port 42104 ssh2
...

20/9/1@00:17:36: FAIL: Alarm-Network address from=78.158.188.235
...

srvr2: (mod_security) mod_security (id:920350) triggered by 91.109.152.125 (RU/-/ppp91-109-152-125.tis-dialog.ru): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/01 05:53:30 [error] 479384#0: *406322 [client 91.109.152.125] 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 "159893241042.968422"] [ref "o0,14v21,14"], client: 91.109.152.125, [redacted] request: "GET / HTTP/1.1" [redacted]

2020-09-01 08:58:53 dovecot_login authenticator failed for \(\[5.188.206.194\]\) \[5.188.206.194\]: 535 Incorrect authentication data \(set_id=admin3@no-server.de\)
2020-09-01 08:59:03 dovecot_login authenticator failed for \(\[5.188.206.194\]\) \[5.188.206.194\]: 535 Incorrect authentication data
2020-09-01 08:59:14 dovecot_login authenticator failed for \(\[5.188.206.194\]\) \[5.188.206.194\]: 535 Incorrect authentication data
2020-09-01 08:59:30 dovecot_login authenticator failed for \(\[5.188.206.194\]\) \[5.188.206.194\]: 535 Incorrect authentication data
2020-09-01 08:59:38 dovecot_login authenticator failed for \(\[5.188.206.194\]\) \[5.188.206.194\]: 535 Incorrect authentication data
2020-09-01 08:59:46 dovecot_login authenticator failed for \(\[5.188.206.194\]\) \[5.188.206.194\]: 535 Incorrect authentication data
2020-09-01 08:59:52 dovecot_login authenticator failed for \(\[5.188.206.194\]\) \[5.188.206.194\]: 535 Incorrect authentication data
2020-09-01 09:00:02 dovecot_log
...

93.170.59.23 - - \[01/Sep/2020:06:52:58 +0300\] "POST /xmlrpc.php HTTP/1.1" 200 428 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/59.0.3071.109 Safari/537.36" "-"
93.170.59.23 - - \[01/Sep/2020:06:53:01 +0300\] "POST /xmlrpc.php HTTP/1.1" 200 428 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/59.0.3071.109 Safari/537.36" "-"
...

[2020-09-01 02:18:58] NOTICE[1185][C-00009374] chan_sip.c: Call from '' (45.143.223.47:50259) to extension '991441904911049' rejected because extension not found in context 'public'.
[2020-09-01 02:18:58] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-01T02:18:58.474-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="991441904911049",SessionID="0x7f10c446e638",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.47/50259",ACLName="no_extension_match"
[2020-09-01 02:19:16] NOTICE[1185][C-00009375] chan_sip.c: Call from '' (45.143.223.47:57780) to extension '990441904911049' rejected because extension not found in context 'public'.
[2020-09-01 02:19:16] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-01T02:19:16.924-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="990441904911049",SessionID="0x7f10c43e3a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/
...

GET /wp-admin/admin-ajax.php?action=revslider_show_image