PHISHING ATTACK
156.96.114.176 Jackpot Lottery Winners - tony@gmail.com - I'd won more than $324,000 in the last four months, 18 May 2021 
NetName:        NEWTREND
country:        US
inetnum:        156.96.0.0 - 156.96.255.255

SSH login attempts with user root.

SSH login attempts with user root.

SSH login attempts with user root.

Jul 16 14:23:19 debian-2gb-nbg1-2 kernel: \[17160759.134723\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=156.96.114.102 DST=195.201.40.59 LEN=437 TOS=0x00 PREC=0x00 TTL=51 ID=36652 DF PROTO=UDP SPT=5220 DPT=5060 LEN=417

[2020-07-12 13:32:33] NOTICE[1150][C-000029b9] chan_sip.c: Call from '' (156.96.114.182:53828) to extension '090346605844018' rejected because extension not found in context 'public'.
[2020-07-12 13:32:33] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-12T13:32:33.068-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="090346605844018",SessionID="0x7fcb4c4eee28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.114.182/53828",ACLName="no_extension_match"
[2020-07-12 13:32:41] NOTICE[1150][C-000029ba] chan_sip.c: Call from '' (156.96.114.182:55125) to extension '090446605844018' rejected because extension not found in context 'public'.
[2020-07-12 13:32:41] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-12T13:32:41.926-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="090446605844018",SessionID="0x7fcb4c13aa08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/U
...

Multihost TCP and UDP portscan.

[2020-07-05 17:57:06] NOTICE[1197][C-00001e30] chan_sip.c: Call from '' (156.96.114.182:52771) to extension '00046313115996' rejected because extension not found in context 'public'.
[2020-07-05 17:57:06] SECURITY[1214] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-05T17:57:06.007-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00046313115996",SessionID="0x7f6d283864f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.114.182/52771",ACLName="no_extension_match"
[2020-07-05 17:57:11] NOTICE[1197][C-00001e31] chan_sip.c: Call from '' (156.96.114.182:51434) to extension '90046313115996' rejected because extension not found in context 'public'.
[2020-07-05 17:57:11] SECURITY[1214] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-05T17:57:11.070-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="90046313115996",SessionID="0x7f6d286efd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/1
...

Telnet/23 MH Probe, Scan, BF, Hack -

2020-05-06T05:54:38.697108+02:00 lumpi kernel: [14027009.200253] INPUT:DROP:SPAMHAUS_DROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=156.96.114.197 DST=78.46.199.189 LEN=52 TOS=0x02 PREC=0x00 TTL=115 ID=20917 DF PROTO=TCP SPT=63851 DPT=25 WINDOW=8192 RES=0x00 CWR ECE SYN URGP=0 
...

Scan & Hack

Apr 28 19:48:57 blackbee postfix/smtpd\[8431\]: warning: unknown\[156.96.114.197\]: SASL LOGIN authentication failed: authentication failure
Apr 28 19:49:00 blackbee postfix/smtpd\[8431\]: warning: unknown\[156.96.114.197\]: SASL LOGIN authentication failed: authentication failure
Apr 28 19:49:02 blackbee postfix/smtpd\[8431\]: warning: unknown\[156.96.114.197\]: SASL LOGIN authentication failed: authentication failure
Apr 28 19:49:05 blackbee postfix/smtpd\[8431\]: warning: unknown\[156.96.114.197\]: SASL LOGIN authentication failed: authentication failure
Apr 28 19:49:07 blackbee postfix/smtpd\[8431\]: warning: unknown\[156.96.114.197\]: SASL LOGIN authentication failed: authentication failure
...

[2020-03-09 11:54:38] NOTICE[1148][C-0001042b] chan_sip.c: Call from '' (156.96.114.110:65315) to extension '726011441972422300' rejected because extension not found in context 'public'.
[2020-03-09 11:54:38] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-03-09T11:54:38.089-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="726011441972422300",SessionID="0x7fd82c40d3d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.114.110/65315",ACLName="no_extension_match"
[2020-03-09 11:54:49] NOTICE[1148][C-0001042c] chan_sip.c: Call from '' (156.96.114.110:56251) to extension '727011441972422300' rejected because extension not found in context 'public'.
...

[2020-03-08 19:41:23] NOTICE[1148] chan_sip.c: Registration from '' failed for '156.96.114.110:58973' - Wrong password
[2020-03-08 19:41:23] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-08T19:41:23.919-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="41001",SessionID="0x7fd82cdb8718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.114.110/58973",Challenge="4f83d4e9",ReceivedChallenge="4f83d4e9",ReceivedHash="5666822b6777d06f68a750715fbbb2bb"
[2020-03-08 19:41:49] NOTICE[1148] chan_sip.c: Registration from '' failed for '156.96.114.110:57911' - Wrong password
[2020-03-08 19:41:49] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-08T19:41:49.943-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2222222222",SessionID="0x7fd82c40d3d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/
...

Chat Spam

Telnet Server BruteForce Attack

Oct  9 18:48:19 h1637304 sshd[11223]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=131.221.80.209  user=r.r
Oct  9 18:48:21 h1637304 sshd[11223]: Failed password for r.r from 131.221.80.209 port 23937 ssh2
Oct  9 18:48:21 h1637304 sshd[11223]: Received disconnect from 131.221.80.209: 11: Bye Bye [preauth]
Oct  9 19:04:41 h1637304 sshd[25901]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=131.221.80.209  user=r.r
Oct  9 19:04:43 h1637304 sshd[25901]: Failed password for r.r from 131.221.80.209 port 6113 ssh2
Oct  9 19:04:43 h1637304 sshd[25901]: Received disconnect from 131.221.80.209: 11: Bye Bye [preauth]
Oct  9 19:09:21 h1637304 sshd[30488]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=131.221.80.209  user=r.r
Oct  9 19:09:22 h1637304 sshd[30488]: Failed password for r.r from 131.221.80.209 port 29377 ssh2
Oct  9 19:09:23 h1637304 sshd[30488]........
-------------------------------

Triggered by Fail2Ban at Vostok web server

Oct 10 02:39:40 itv-usvr-01 sshd[3316]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.26.143  user=root
Oct 10 02:39:42 itv-usvr-01 sshd[3316]: Failed password for root from 163.172.26.143 port 46590 ssh2
Oct 10 02:43:04 itv-usvr-01 sshd[3455]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.26.143  user=root
Oct 10 02:43:07 itv-usvr-01 sshd[3455]: Failed password for root from 163.172.26.143 port 23224 ssh2
Oct 10 02:46:16 itv-usvr-01 sshd[3572]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.26.143  user=root
Oct 10 02:46:19 itv-usvr-01 sshd[3572]: Failed password for root from 163.172.26.143 port 63722 ssh2

(sshd) Failed SSH login from 101.36.138.61 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  9 21:46:05 server2 sshd[6609]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.36.138.61  user=root
Oct  9 21:46:07 server2 sshd[6609]: Failed password for root from 101.36.138.61 port 42765 ssh2
Oct  9 21:46:09 server2 sshd[6613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.36.138.61  user=root
Oct  9 21:46:11 server2 sshd[6613]: Failed password for root from 101.36.138.61 port 43891 ssh2
Oct  9 21:46:15 server2 sshd[6618]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.36.138.61  user=root

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/73.5.248.118/ 
 US - 1H : (401)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : US 
 NAME ASN : ASN7922 
 
 IP : 73.5.248.118 
 
 CIDR : 73.0.0.0/8 
 
 PREFIX COUNT : 1512 
 
 UNIQUE IP COUNT : 70992640 
 
 
 WYKRYTE ATAKI Z ASN7922 :  
  1H - 4 
  3H - 8 
  6H - 14 
 12H - 25 
 24H - 53 
 
 DateTime : 2019-10-09 21:46:28 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Honeypot attack, port: 5555, PTR: NK218-187-101-200.adsl.dynamic.apol.com.tw.

Oct  9 08:04:47 xzibhostname postfix/smtpd[31199]: warning: hostname hosting-by.directwebhost.org does not resolve to address 45.227.253.133: Name or service not known
Oct  9 08:04:47 xzibhostname postfix/smtpd[31199]: connect from unknown[45.227.253.133]
Oct  9 08:04:47 xzibhostname postfix/smtpd[31799]: warning: hostname hosting-by.directwebhost.org does not resolve to address 45.227.253.133: Name or service not known
Oct  9 08:04:47 xzibhostname postfix/smtpd[31799]: connect from unknown[45.227.253.133]
Oct  9 08:04:48 xzibhostname postfix/smtpd[31199]: warning: unknown[45.227.253.133]: SASL LOGIN authentication failed: authentication failure
Oct  9 08:04:48 xzibhostname postfix/smtpd[31799]: warning: unknown[45.227.253.133]: SASL LOGIN authentication failed: authentication failure
Oct  9 08:04:48 xzibhostname postfix/smtpd[31199]: lost connection after AUTH from unknown[45.227.253.133]
Oct  9 08:04:48 xzibhostname postfix/smtpd[31199]: disconnect from unknown[45.227........
-------------------------------

Automatic report - Port Scan Attack

Automatic report - XMLRPC Attack

2019-10-09T20:12:39.242830abusebot.cloudsearch.cf sshd\[28604\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.110  user=root

Oct  9 20:13:58 venus sshd\[6655\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.121.67  user=root
Oct  9 20:14:00 venus sshd\[6655\]: Failed password for root from 104.248.121.67 port 42872 ssh2
Oct  9 20:17:51 venus sshd\[6727\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.121.67  user=root
...

Oct  9 19:39:30 venus sshd\[5995\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=108.75.217.101  user=root
Oct  9 19:39:32 venus sshd\[5995\]: Failed password for root from 108.75.217.101 port 38444 ssh2
Oct  9 19:46:27 venus sshd\[6126\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=108.75.217.101  user=root
...

Honeypot attack, port: 23, PTR: 125-9-184-66.rev.home.ne.jp.