port scan and connect, tcp 3128 (squid-http)

400 BAD REQUEST

Unauthorized connection attempt detected from IP address 58.248.201.77 to port 8118 [J]

Unauthorized connection attempt detected from IP address 58.248.201.104 to port 8443 [J]

Unauthorized connection attempt detected from IP address 58.248.201.7 to port 8090

The IP has triggered Cloudflare WAF. CF-Ray: 54345634d8ebeef6 | WAF_Rule_ID: 53b8357af6d244d3a132bcf913c3a388 | WAF_Kind: firewall | CF_Action: drop | Country: CN | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: blog.skk.moe | User-Agent: Mozilla/4.054101423 Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1) | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).

The IP has triggered Cloudflare WAF. CF-Ray: 543214cdb94d7866 | WAF_Rule_ID: 53b8357af6d244d3a132bcf913c3a388 | WAF_Kind: firewall | CF_Action: drop | Country: CN | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: img.skk.moe | User-Agent: Mozilla/4.054101423 Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1) | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).

The IP has triggered Cloudflare WAF. CF-Ray: 543342ce4beee7dd | WAF_Rule_ID: 1112824 | WAF_Kind: firewall | CF_Action: challenge | Country: CN | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: disqus.skk.moe | User-Agent: Mozilla/5.0 (Linux; U; Android 4.3; en-us; SM-N900T Build/JSS15J) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).

The IP has triggered Cloudflare WAF. CF-Ray: 543603867c4dd392 | WAF_Rule_ID: 3b40188685924a32bf11d40edea05a27 | WAF_Kind: firewall | CF_Action: drop | Country: CN | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: disqus.skk.moe | User-Agent: Mozilla/5.077692140 Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).

The IP has triggered Cloudflare WAF. CF-Ray: 5433d38d7f2fe7f9 | WAF_Rule_ID: 3b40188685924a32bf11d40edea05a27 | WAF_Kind: firewall | CF_Action: drop | Country: CN | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: api.skk.moe | User-Agent: Mozilla/5.082584686 Mozilla/5.0 (iPhone; CPU iPhone OS 11_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.0 Mobile/15E148 Safari/604.1 | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).

The IP has triggered Cloudflare WAF. CF-Ray: 5416c7822defeb41 | WAF_Rule_ID: 1025440 | WAF_Kind: firewall | CF_Action: challenge | Country: CN | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: img.skk.moe | User-Agent: Mozilla/5.0 (iPad; CPU OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1 | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).

The IP has triggered Cloudflare WAF. CF-Ray: 540f9830a8c9ed0b | WAF_Rule_ID: 1025440 | WAF_Kind: firewall | CF_Action: challenge | Country: CN | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: ip.skk.moe | User-Agent: Mozilla/5.0 (iPad; CPU OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1 | CF_DC: SJC. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).

Apr  2 10:50:37 mail.srvfarm.net postfix/smtpd[1864254]: warning: unknown[195.231.3.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:50:37 mail.srvfarm.net postfix/smtpd[1864254]: lost connection after AUTH from unknown[195.231.3.188]
Apr  2 10:51:48 mail.srvfarm.net postfix/smtpd[1867128]: lost connection after CONNECT from unknown[195.231.3.188]
Apr  2 10:58:12 mail.srvfarm.net postfix/smtpd[1870209]: warning: unknown[195.231.3.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 10:58:12 mail.srvfarm.net postfix/smtpd[1870209]: lost connection after AUTH from unknown[195.231.3.188]

*Port Scan* detected from 162.243.130.210 (US/United States/California/San Francisco/zg-0312c-227.stretchoid.com). 4 hits in the last 90 seconds

Unauthorized connection attempt from IP address 125.166.138.99 on Port 445(SMB)

Apr  2 05:37:50 web01.agentur-b-2.de postfix/smtpd[64779]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:37:58 web01.agentur-b-2.de postfix/smtpd[64780]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:39:38 web01.agentur-b-2.de postfix/smtpd[64779]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:39:56 web01.agentur-b-2.de postfix/smtpd[64780]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73

Apr  1 23:26:54 web9 sshd\[18722\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.128.88  user=root
Apr  1 23:26:56 web9 sshd\[18722\]: Failed password for root from 188.165.128.88 port 38766 ssh2
Apr  1 23:32:36 web9 sshd\[19492\]: Invalid user ov from 188.165.128.88
Apr  1 23:32:36 web9 sshd\[19492\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.128.88
Apr  1 23:32:38 web9 sshd\[19492\]: Failed password for invalid user ov from 188.165.128.88 port 45279 ssh2

Apr  2 07:51:26 [host] sshd[4768]: pam_unix(sshd:a
Apr  2 07:51:27 [host] sshd[4768]: Failed password
Apr  2 07:53:26 [host] sshd[4786]: Invalid user bi

Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[72992]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[77755]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[77756]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[77758]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from=

Apr  2 04:09:55 web01 postfix/smtpd[14004]: warning: hostname 69-94-131-42.nca.datanoc.com does not resolve to address 69.94.131.42
Apr  2 04:09:55 web01 postfix/smtpd[14004]: connect from unknown[69.94.131.42]
Apr  2 04:09:55 web01 policyd-spf[14007]: None; identhostnamey=helo; client-ip=69.94.131.42; helo=righteous.gpslens.co; envelope-from=x@x
Apr  2 04:09:55 web01 policyd-spf[14007]: Pass; identhostnamey=mailfrom; client-ip=69.94.131.42; helo=righteous.gpslens.co; envelope-from=x@x
Apr x@x
Apr  2 04:09:55 web01 postfix/smtpd[14004]: disconnect from unknown[69.94.131.42]
Apr  2 04:11:05 web01 postfix/smtpd[13729]: warning: hostname 69-94-131-42.nca.datanoc.com does not resolve to address 69.94.131.42
Apr  2 04:11:05 web01 postfix/smtpd[13729]: connect from unknown[69.94.131.42]
Apr  2 04:11:05 web01 policyd-spf[14191]: None; identhostnamey=helo; client-ip=69.94.131.42; helo=righteous.gpslens.co; envelope-from=x@x
Apr  2 04:11:05 web01 policyd-spf[14191]: Pass; identh........
-------------------------------

Attempt to attack host OS, exploiting network vulnerabilities, on 02-04-2020 04:55:12.

$f2bV_matches

Lines containing failures of 82.148.18.109
Apr  1 20:33:38 shared11 sshd[26037]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.148.18.109  user=r.r
Apr  1 20:33:41 shared11 sshd[26037]: Failed password for r.r from 82.148.18.109 port 60300 ssh2
Apr  1 20:33:41 shared11 sshd[26037]: Received disconnect from 82.148.18.109 port 60300:11: Bye Bye [preauth]
Apr  1 20:33:41 shared11 sshd[26037]: Disconnected from authenticating user r.r 82.148.18.109 port 60300 [preauth]
Apr  1 20:50:47 shared11 sshd[32092]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.148.18.109  user=r.r
Apr  1 20:50:50 shared11 sshd[32092]: Failed password for r.r from 82.148.18.109 port 44600 ssh2
Apr  1 20:50:50 shared11 sshd[32092]: Received disconnect from 82.148.18.109 port 44600:11: Bye Bye [preauth]
Apr  1 20:50:50 shared11 sshd[32092]: Disconnected from authenticating user r.r 82.148.18.109 port 44600 [preauth........
------------------------------

Apr  2 11:14:11 relay postfix/smtpd\[1914\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:14:27 relay postfix/smtpd\[1841\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:17:50 relay postfix/smtpd\[1843\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:18:10 relay postfix/smtpd\[1914\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  2 11:18:27 relay postfix/smtpd\[1914\]: warning: unknown\[45.133.99.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

[2020-04-02 04:55:18] NOTICE[12114][C-00000097] chan_sip.c: Call from '' (45.143.221.59:53386) to extension '9442080892691' rejected because extension not found in context 'public'.
[2020-04-02 04:55:18] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-02T04:55:18.634-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9442080892691",SessionID="0x7f020c013b68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.59/53386",ACLName="no_extension_match"
[2020-04-02 05:03:47] NOTICE[12114][C-000000a6] chan_sip.c: Call from '' (45.143.221.59:55008) to extension '011442080892691' rejected because extension not found in context 'public'.
[2020-04-02 05:03:47] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-02T05:03:47.373-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011442080892691",SessionID="0x7f020c013b68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/
...

Apr  2 02:04:53 vps46666688 sshd[24828]: Failed password for root from 184.13.240.142 port 40230 ssh2
...

2020-04-02T08:39:28.617687shield sshd\[28562\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.158  user=root
2020-04-02T08:39:30.215109shield sshd\[28562\]: Failed password for root from 61.177.172.158 port 40900 ssh2
2020-04-02T08:39:32.979867shield sshd\[28562\]: Failed password for root from 61.177.172.158 port 40900 ssh2
2020-04-02T08:39:35.487898shield sshd\[28562\]: Failed password for root from 61.177.172.158 port 40900 ssh2
2020-04-02T08:40:18.185427shield sshd\[28862\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.158  user=root