Oct  7 06:07:22 km20725 sshd\[25107\]: Address 123.31.31.68 maps to static.vnpt.vn, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Oct  7 06:07:24 km20725 sshd\[25107\]: Failed password for root from 123.31.31.68 port 59620 ssh2Oct  7 06:14:00 km20725 sshd\[25799\]: Address 123.31.31.68 maps to static.vnpt.vn, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Oct  7 06:14:03 km20725 sshd\[25799\]: Failed password for root from 123.31.31.68 port 59734 ssh2
...

proto=tcp  .  spt=33241  .  dpt=25  .     (Found on   Dark List de Oct 07)     (433)

Oct  7 09:22:27 kscrazy sshd\[22820\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.184.159.30  user=root
Oct  7 09:22:29 kscrazy sshd\[22820\]: Failed password for root from 35.184.159.30 port 49474 ssh2
Oct  7 09:30:24 kscrazy sshd\[23176\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.184.159.30  user=root

Oct  7 05:44:54 pornomens sshd\[9483\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.77.212  user=root
Oct  7 05:44:57 pornomens sshd\[9483\]: Failed password for root from 106.12.77.212 port 39458 ssh2
Oct  7 05:48:58 pornomens sshd\[9496\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.77.212  user=root
...

Automatic report - Port Scan Attack

2019-10-06 dovecot_login authenticator failed for \(localhost.localdomain\) \[77.40.36.75\]: 535 Incorrect authentication data \(set_id=allusers@**REMOVED**.de\)
2019-10-07 dovecot_login authenticator failed for \(localhost.localdomain\) \[77.40.36.75\]: 535 Incorrect authentication data \(set_id=application@**REMOVED**.de\)
2019-10-07 dovecot_login authenticator failed for \(localhost.localdomain\) \[77.40.36.75\]: 535 Incorrect authentication data \(set_id=app@**REMOVED**.de\)

Oct  6 23:48:32 debian sshd[12530]: Unable to negotiate with 218.92.0.191 port 28177: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Oct  6 23:49:18 debian sshd[12532]: Unable to negotiate with 218.92.0.191 port 58643: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
...

Received: from avewhyqfn.twitter.com (34.255.137.37) by HE1EUR01FT053.mail.protection.outlook.com (10.152.1.73) with Microsoft SMTP Server id 15.20.2327.20 via Frontend Transport; OriginalChecksum:26A3E1573AE48E4792CC43348A6E6E84A73ED86AF681766293469D7C2496E025;UpperCasedChecksum:761735792863CC1A1D1351AB0560C9EF1B1AF2A3604670E9D644A261040E547E;SizeAsReceived:513;Count:9 From: LawsuitWinning  Subject: Free case evaluation Reply-To: Received: from 3colosikiladoreIKayuklawdonet.com (172.31.16.32) by 3colosikiladoreIKayuklawdonet.com id m5kkMJRFFXJi for ; Sun, 06 Oct 2019 23:24:52 +0200 (envelope-from  To: joycemarie1212@hotmail.com Message-ID:  Return-Path: from@2colosikiladoreZFayuklawdonet.com 
X-SID-PRA: FROM@5COLOSIKILADORELDAYUKLAWDONET.COM X-SID-Result: NONE

2019-10-07T02:46:31.0268791495-001 sshd\[8290\]: Invalid user Windows@12345 from 106.12.16.179 port 59010
2019-10-07T02:46:31.0302471495-001 sshd\[8290\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.16.179
2019-10-07T02:46:32.2904531495-001 sshd\[8290\]: Failed password for invalid user Windows@12345 from 106.12.16.179 port 59010 ssh2
2019-10-07T02:50:52.9031971495-001 sshd\[8573\]: Invalid user Trial2017 from 106.12.16.179 port 38266
2019-10-07T02:50:52.9065821495-001 sshd\[8573\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.16.179
2019-10-07T02:50:54.3320661495-001 sshd\[8573\]: Failed password for invalid user Trial2017 from 106.12.16.179 port 38266 ssh2
...

Oct  7 06:03:21 hcbbdb sshd\[27100\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.62.216  user=root
Oct  7 06:03:24 hcbbdb sshd\[27100\]: Failed password for root from 159.65.62.216 port 46152 ssh2
Oct  7 06:07:02 hcbbdb sshd\[27486\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.62.216  user=root
Oct  7 06:07:03 hcbbdb sshd\[27486\]: Failed password for root from 159.65.62.216 port 57182 ssh2
Oct  7 06:10:43 hcbbdb sshd\[27871\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.62.216  user=root

firewall-block, port(s): 81/tcp

Oct  7 06:31:02 [host] sshd[20141]: Invalid user user from 221.160.100.14
Oct  7 06:31:02 [host] sshd[20141]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.160.100.14
Oct  7 06:31:04 [host] sshd[20141]: Failed password for invalid user user from 221.160.100.14 port 34442 ssh2

Oct 07 02:04:04 askasleikir sshd[231815]: Failed password for root from 81.182.254.124 port 44358 ssh2
Oct 07 02:11:53 askasleikir sshd[232005]: Failed password for root from 81.182.254.124 port 40622 ssh2
Oct 07 02:08:00 askasleikir sshd[231906]: Failed password for root from 81.182.254.124 port 56598 ssh2

2019-10-07T07:39:57.553162abusebot-8.cloudsearch.cf sshd\[13072\]: Invalid user Triple@123 from 45.131.25.82 port 52272

SSH/22 MH Probe, BF, Hack -