\[2019-10-17 15:53:24\] 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

Aug  7 15:00:14 PorscheCustomer sshd[26932]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.187.10.246
Aug  7 15:00:17 PorscheCustomer sshd[26932]: Failed password for invalid user admin1015 from 189.187.10.246 port 44485 ssh2
Aug  7 15:04:19 PorscheCustomer sshd[27058]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.187.10.246
...

Aug  7 19:44:18 debian-2gb-nbg1-2 kernel: \[19080708.062061\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=163.239.77.25 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=237 ID=12337 PROTO=TCP SPT=59038 DPT=1230 WINDOW=1024 RES=0x00 SYN URGP=0

Aug  7 19:32:01 debian-2gb-nbg1-2 kernel: \[19079971.261967\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=195.54.160.38 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=41053 PROTO=TCP SPT=49673 DPT=40453 WINDOW=1024 RES=0x00 SYN URGP=0

$f2bV_matches

Unauthorized connection attempt from IP address 14.207.146.233 on Port 445(SMB)

Aug  7 15:06:07 rocket sshd[29806]: Failed password for root from 186.30.58.56 port 56786 ssh2
Aug  7 15:11:03 rocket sshd[30624]: Failed password for root from 186.30.58.56 port 40208 ssh2
...

2020-08-07T16:59:24.580047afi-git.jinr.ru sshd[27212]: Invalid user P@55w0rD1 from 122.51.186.86 port 53566
2020-08-07T16:59:24.583404afi-git.jinr.ru sshd[27212]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.186.86
2020-08-07T16:59:24.580047afi-git.jinr.ru sshd[27212]: Invalid user P@55w0rD1 from 122.51.186.86 port 53566
2020-08-07T16:59:27.120780afi-git.jinr.ru sshd[27212]: Failed password for invalid user P@55w0rD1 from 122.51.186.86 port 53566 ssh2
2020-08-07T17:02:22.442818afi-git.jinr.ru sshd[28036]: Invalid user linux123456789 from 122.51.186.86 port 56692
...

2020-08-07T15:42:59.892645amanda2.illicoweb.com sshd\[11339\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip157.ip-51-83-57.eu  user=root
2020-08-07T15:43:01.874251amanda2.illicoweb.com sshd\[11339\]: Failed password for root from 51.83.57.157 port 43710 ssh2
2020-08-07T15:45:20.458199amanda2.illicoweb.com sshd\[11685\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip157.ip-51-83-57.eu  user=root
2020-08-07T15:45:22.128950amanda2.illicoweb.com sshd\[11685\]: Failed password for root from 51.83.57.157 port 35900 ssh2
2020-08-07T15:47:07.479542amanda2.illicoweb.com sshd\[11962\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip157.ip-51-83-57.eu  user=root
...

2020-08-07T13:53:47.409972amanda2.illicoweb.com sshd\[41808\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.147.84  user=root
2020-08-07T13:53:48.915388amanda2.illicoweb.com sshd\[41808\]: Failed password for root from 129.204.147.84 port 45634 ssh2
2020-08-07T13:59:38.133544amanda2.illicoweb.com sshd\[42803\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.147.84  user=root
2020-08-07T13:59:39.824767amanda2.illicoweb.com sshd\[42803\]: Failed password for root from 129.204.147.84 port 42146 ssh2
2020-08-07T14:02:31.147412amanda2.illicoweb.com sshd\[43353\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.147.84  user=root
...

Aug  7 13:49:32 plusreed sshd[31090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.112  user=root
Aug  7 13:49:34 plusreed sshd[31090]: Failed password for root from 49.88.112.112 port 18024 ssh2
...

2020-08-07T14:33:27.163338amanda2.illicoweb.com sshd\[48733\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.78.81.227  user=root
2020-08-07T14:33:28.733871amanda2.illicoweb.com sshd\[48733\]: Failed password for root from 103.78.81.227 port 47370 ssh2
2020-08-07T14:39:20.036593amanda2.illicoweb.com sshd\[897\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.78.81.227  user=root
2020-08-07T14:39:22.068610amanda2.illicoweb.com sshd\[897\]: Failed password for root from 103.78.81.227 port 49490 ssh2
2020-08-07T14:41:14.291789amanda2.illicoweb.com sshd\[1183\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.78.81.227  user=root
...

2020-08-07T14:50:29.087098amanda2.illicoweb.com sshd\[2818\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.54.251  user=root
2020-08-07T14:50:30.627406amanda2.illicoweb.com sshd\[2818\]: Failed password for root from 180.76.54.251 port 45108 ssh2
2020-08-07T14:52:47.431349amanda2.illicoweb.com sshd\[3199\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.54.251  user=root
2020-08-07T14:52:48.916377amanda2.illicoweb.com sshd\[3199\]: Failed password for root from 180.76.54.251 port 51910 ssh2
2020-08-07T14:59:25.472243amanda2.illicoweb.com sshd\[4165\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.54.251  user=root
...

SSH Brute Force

Unauthorized connection attempt from IP address 171.224.26.137 on Port 445(SMB)

Fail2Ban