\[2019-10-17 15:53:24\] NOTICE\[1887\] chan_sip.c: Registration from '"107" \' failed for '77.247.108.185:5120' - Wrong password
\[2019-10-17 15:53:24\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-17T15:53:24.180-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="107",SessionID="0x7fc3ac4b3418",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.108.185/5120",Challenge="3fefe9f8",ReceivedChallenge="3fefe9f8",ReceivedHash="8d3deb4e7ac1705ab932aa7a2334af97"
\[2019-10-17 15:53:24\] NOTICE\[1887\] chan_sip.c: Registration from '"107" \' failed for '77.247.108.185:5120' - Wrong password
\[2019-10-17 15:53:24\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-17T15:53:24.348-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="107",SessionID="0x7fc3ac2ed548",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/7

\[2019-10-07 02:12:58\] NOTICE\[1887\] chan_sip.c: Registration from '"105" \' failed for '77.247.108.185:5710' - Wrong password
\[2019-10-07 02:12:58\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-07T02:12:58.254-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="105",SessionID="0x7fc3ac5226d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.108.185/5710",Challenge="32103e06",ReceivedChallenge="32103e06",ReceivedHash="af77fed90570ba40d200def8b80457c6"
\[2019-10-07 02:12:58\] NOTICE\[1887\] chan_sip.c: Registration from '"105" \' failed for '77.247.108.185:5710' - Wrong password
\[2019-10-07 02:12:58\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-07T02:12:58.449-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="105",SessionID="0x7fc3ac630eb8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/7

\[2019-10-06 08:14:03\] NOTICE\[1887\] chan_sip.c: Registration from '"55" \' failed for '77.247.108.185:5096' - Wrong password
\[2019-10-06 08:14:03\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-06T08:14:03.106-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="55",SessionID="0x7fc3ac095d68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.108.185/5096",Challenge="0ec6fc73",ReceivedChallenge="0ec6fc73",ReceivedHash="d5cbe3c2e09655ab8fa084b8603037dc"
\[2019-10-06 08:14:03\] NOTICE\[1887\] chan_sip.c: Registration from '"55" \' failed for '77.247.108.185:5096' - Wrong password
\[2019-10-06 08:14:03\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-06T08:14:03.236-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="55",SessionID="0x7fc3ac509ad8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.

\[2019-09-30 02:13:45\] NOTICE\[1948\] chan_sip.c: Registration from '"100" \' failed for '77.247.108.185:5684' - Wrong password
\[2019-09-30 02:13:45\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-30T02:13:45.967-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f1e1d247938",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.108.185/5684",Challenge="0ac580fe",ReceivedChallenge="0ac580fe",ReceivedHash="fd4bf592692140a41e01058be4efd904"
\[2019-09-30 02:13:46\] NOTICE\[1948\] chan_sip.c: Registration from '"100" \' failed for '77.247.108.185:5684' - Wrong password
\[2019-09-30 02:13:46\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-30T02:13:46.116-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f1e1c0cebd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/7

\[2019-09-26 08:42:01\] NOTICE\[1948\] chan_sip.c: Registration from '"4000" \' failed for '77.247.108.185:5738' - Wrong password
\[2019-09-26 08:42:01\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T08:42:01.505-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4000",SessionID="0x7f1e1c10d4f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.108.185/5738",Challenge="49c1df10",ReceivedChallenge="49c1df10",ReceivedHash="a1813cbc3ab5c79cbeb2f08b6117a594"
\[2019-09-26 08:42:01\] NOTICE\[1948\] chan_sip.c: Registration from '"4000" \' failed for '77.247.108.185:5738' - Wrong password
\[2019-09-26 08:42:01\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T08:42:01.743-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4000",SessionID="0x7f1e1c01f928",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4

\[2019-09-25 18:40:41\] NOTICE\[1970\] chan_sip.c: Registration from '"900" \' failed for '77.247.108.185:5550' - Wrong password
\[2019-09-25 18:40:41\] SECURITY\[1978\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-25T18:40:41.358-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="900",SessionID="0x7f9b34331198",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.108.185/5550",Challenge="1e885561",ReceivedChallenge="1e885561",ReceivedHash="e2215a0515804d93b2fa2e2f6fd0b4d7"
\[2019-09-25 18:40:41\] NOTICE\[1970\] chan_sip.c: Registration from '"900" \' failed for '77.247.108.185:5550' - Wrong password
\[2019-09-25 18:40:41\] SECURITY\[1978\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-25T18:40:41.503-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="900",SessionID="0x7f9b345a1f18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/7

TCP ports : 5060 / 5160

Web attack

ET CINS Active Threat Intelligence Poor Reputation IP group 66 - port: 5038 proto: tcp cat: Misc Attackbytes: 60

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

TCP ports : 4569 / 5038

scans once in preceeding hours on the ports (in chronological order) 5061 resulting in total of 1 scans from 77.247.108.0/24 block.

 TCP (SYN) 77.247.108.119:53507 -> port 5038, len 44

Port scan: Attack repeated for 24 hours

Automatic report - Port Scan

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

ET CINS Active Threat Intelligence Poor Reputation IP group 72 - port: 5038 proto: tcp cat: Misc Attackbytes: 60

ET CINS Active Threat Intelligence Poor Reputation IP group 72 - port: 5038 proto: tcp cat: Misc Attackbytes: 60

[Mon Jul 13 20:52:05 2020] - Syn Flood From IP: 77.247.108.119 Port: 56378

Jul 30 13:09:21 debian-2gb-nbg1-2 kernel: \[18365852.750288\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=77.247.108.119 DST=195.201.40.59 LEN=40 TOS=0x08 PREC=0x20 TTL=242 ID=34868 PROTO=TCP SPT=47157 DPT=5038 WINDOW=1024 RES=0x00 SYN URGP=0

Jul 29 09:31:43 debian-2gb-nbg1-2 kernel: \[18266400.130072\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=77.247.108.119 DST=195.201.40.59 LEN=40 TOS=0x08 PREC=0x20 TTL=242 ID=64035 PROTO=TCP SPT=43953 DPT=5038 WINDOW=1024 RES=0x00 SYN URGP=0

$f2bV_matches

Sep  3 13:47:05 hcbb sshd\[7802\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.56.32.238  user=root
Sep  3 13:47:06 hcbb sshd\[7802\]: Failed password for root from 58.56.32.238 port 2153 ssh2
Sep  3 13:51:33 hcbb sshd\[8189\]: Invalid user secretariat from 58.56.32.238
Sep  3 13:51:33 hcbb sshd\[8189\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.56.32.238
Sep  3 13:51:34 hcbb sshd\[8189\]: Failed password for invalid user secretariat from 58.56.32.238 port 2154 ssh2

Sep  4 01:15:53 bouncer sshd\[25670\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.129.64.150  user=root
Sep  4 01:15:54 bouncer sshd\[25670\]: Failed password for root from 23.129.64.150 port 28246 ssh2
Sep  4 01:15:57 bouncer sshd\[25670\]: Failed password for root from 23.129.64.150 port 28246 ssh2
...

Sep  3 13:56:38 kapalua sshd\[5082\]: Invalid user test from 106.13.60.58
Sep  3 13:56:38 kapalua sshd\[5082\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.60.58
Sep  3 13:56:41 kapalua sshd\[5082\]: Failed password for invalid user test from 106.13.60.58 port 44322 ssh2
Sep  3 14:01:32 kapalua sshd\[5545\]: Invalid user wxl from 106.13.60.58
Sep  3 14:01:32 kapalua sshd\[5545\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.60.58

Sep  3 13:59:55 php1 sshd\[17178\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62-210-105-116.rev.poneytelecom.eu  user=root
Sep  3 13:59:56 php1 sshd\[17178\]: Failed password for root from 62.210.105.116 port 38633 ssh2
Sep  3 13:59:59 php1 sshd\[17178\]: Failed password for root from 62.210.105.116 port 38633 ssh2
Sep  3 14:00:01 php1 sshd\[17178\]: Failed password for root from 62.210.105.116 port 38633 ssh2
Sep  3 14:00:04 php1 sshd\[17178\]: Failed password for root from 62.210.105.116 port 38633 ssh2

failed_logins

Sep  4 01:02:07 MK-Soft-Root2 sshd\[5036\]: Invalid user marcia from 115.78.232.152 port 43790
Sep  4 01:02:07 MK-Soft-Root2 sshd\[5036\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.78.232.152
Sep  4 01:02:09 MK-Soft-Root2 sshd\[5036\]: Failed password for invalid user marcia from 115.78.232.152 port 43790 ssh2
...

Sep  4 01:35:21 vps691689 sshd[3144]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.194.160
Sep  4 01:35:23 vps691689 sshd[3144]: Failed password for invalid user tom from 159.89.194.160 port 45522 ssh2
...

Sep  4 01:50:36 apollo sshd\[26448\]: Failed password for root from 23.129.64.208 port 10486 ssh2Sep  4 01:50:40 apollo sshd\[26448\]: Failed password for root from 23.129.64.208 port 10486 ssh2Sep  4 01:50:43 apollo sshd\[26448\]: Failed password for root from 23.129.64.208 port 10486 ssh2
...

Sep  3 12:09:41 lcprod sshd\[26083\]: Invalid user russ from 133.130.119.178
Sep  3 12:09:41 lcprod sshd\[26083\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=v133-130-119-178.a04a.g.tyo1.static.cnode.io
Sep  3 12:09:43 lcprod sshd\[26083\]: Failed password for invalid user russ from 133.130.119.178 port 47265 ssh2
Sep  3 12:13:57 lcprod sshd\[26510\]: Invalid user oracle from 133.130.119.178
Sep  3 12:13:57 lcprod sshd\[26510\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=v133-130-119-178.a04a.g.tyo1.static.cnode.io

Fail2Ban Ban Triggered

Reported by AbuseIPDB proxy server.

SSH Brute-Force attacks

/wp-admin

v+ssh-bruteforce