2020-05-22T18:35:02.941165afi-git.jinr.ru sshd[10489]: Invalid user cup from 152.136.153.17 port 44530
2020-05-22T18:35:02.944194afi-git.jinr.ru sshd[10489]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
2020-05-22T18:35:02.941165afi-git.jinr.ru sshd[10489]: Invalid user cup from 152.136.153.17 port 44530
2020-05-22T18:35:04.972397afi-git.jinr.ru sshd[10489]: Failed password for invalid user cup from 152.136.153.17 port 44530 ssh2
2020-05-22T18:38:44.156129afi-git.jinr.ru sshd[11321]: Invalid user aqv from 152.136.153.17 port 50086
...

May 20 12:10:27 Host-KEWR-E sshd[5840]: Invalid user pne from 152.136.153.17 port 32894
...

May 15 08:08:50 roki-contabo sshd\[31799\]: Invalid user kasandra from 152.136.153.17
May 15 08:08:50 roki-contabo sshd\[31799\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
May 15 08:08:52 roki-contabo sshd\[31799\]: Failed password for invalid user kasandra from 152.136.153.17 port 55072 ssh2
May 15 08:17:22 roki-contabo sshd\[31855\]: Invalid user daichuqu from 152.136.153.17
May 15 08:17:22 roki-contabo sshd\[31855\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
...

May 11 18:52:25 ns3164893 sshd[15863]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
May 11 18:52:27 ns3164893 sshd[15863]: Failed password for invalid user agora from 152.136.153.17 port 52866 ssh2
...

May  5 09:22:39 XXX sshd[57451]: Invalid user sysadm from 152.136.153.17 port 33386

May  1 10:05:51 host sshd[19429]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17  user=root
May  1 10:05:52 host sshd[19429]: Failed password for root from 152.136.153.17 port 42096 ssh2
...

Invalid user ora from 152.136.153.17 port 37972

Apr 20 08:11:28 vpn01 sshd[19757]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
Apr 20 08:11:30 vpn01 sshd[19757]: Failed password for invalid user admin from 152.136.153.17 port 34434 ssh2
...

2020-04-17T21:09:30.020601ns386461 sshd\[13628\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17  user=daemon
2020-04-17T21:09:31.734525ns386461 sshd\[13628\]: Failed password for daemon from 152.136.153.17 port 46256 ssh2
2020-04-17T21:23:43.467828ns386461 sshd\[27138\]: Invalid user server from 152.136.153.17 port 56486
2020-04-17T21:23:43.472259ns386461 sshd\[27138\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
2020-04-17T21:23:44.956170ns386461 sshd\[27138\]: Failed password for invalid user server from 152.136.153.17 port 56486 ssh2
...

Mar 29 23:46:28 ny01 sshd[26965]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
Mar 29 23:46:30 ny01 sshd[26965]: Failed password for invalid user ykr from 152.136.153.17 port 52438 ssh2
Mar 29 23:51:38 ny01 sshd[29176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17

(sshd) Failed SSH login from 152.136.153.17 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 26 12:24:52 amsweb01 sshd[29798]: Invalid user tye from 152.136.153.17 port 41386
Mar 26 12:24:54 amsweb01 sshd[29798]: Failed password for invalid user tye from 152.136.153.17 port 41386 ssh2
Mar 26 12:26:27 amsweb01 sshd[30233]: Invalid user docker from 152.136.153.17 port 59870
Mar 26 12:26:28 amsweb01 sshd[30233]: Failed password for invalid user docker from 152.136.153.17 port 59870 ssh2
Mar 26 12:27:47 amsweb01 sshd[30330]: Invalid user support from 152.136.153.17 port 50044

Mar 18 14:06:01 dev0-dcde-rnet sshd[31134]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
Mar 18 14:06:03 dev0-dcde-rnet sshd[31134]: Failed password for invalid user cas from 152.136.153.17 port 43320 ssh2
Mar 18 14:12:43 dev0-dcde-rnet sshd[31242]: Failed password for root from 152.136.153.17 port 44282 ssh2

Invalid user zpsserver from 152.136.153.17 port 53426

ssh brute force

Invalid user zpsserver from 152.136.153.17 port 53426

$f2bV_matches

2019-12-29T11:41:04.735393suse-nuc sshd[21439]: Invalid user webadmin from 152.136.153.17 port 33332
...

Unauthorized connection attempt detected from IP address 152.136.153.17 to port 2220 [J]

Invalid user aio from 152.136.153.17 port 41932
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
Failed password for invalid user aio from 152.136.153.17 port 41932 ssh2
Invalid user ngv from 152.136.153.17 port 33980
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17

Jan  3 06:22:32 legacy sshd[27139]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
Jan  3 06:22:33 legacy sshd[27139]: Failed password for invalid user hhh from 152.136.153.17 port 43046 ssh2
Jan  3 06:25:39 legacy sshd[27405]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17
...

Lines containing failures of 152.136.153.17
Dec  7 00:38:50 keyhelp sshd[29879]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17  user=r.r
Dec  7 00:38:52 keyhelp sshd[29879]: Failed password for r.r from 152.136.153.17 port 47214 ssh2
Dec  7 00:38:52 keyhelp sshd[29879]: Received disconnect from 152.136.153.17 port 47214:11: Bye Bye [preauth]
Dec  7 00:38:52 keyhelp sshd[29879]: Disconnected from authenticating user r.r 152.136.153.17 port 47214 [preauth]
Dec  7 00:49:47 keyhelp sshd[1113]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.153.17  user=r.r
Dec  7 00:49:48 keyhelp sshd[1113]: Failed password for r.r from 152.136.153.17 port 59492 ssh2
Dec  7 00:49:49 keyhelp sshd[1113]: Received disconnect from 152.136.153.17 port 59492:11: Bye Bye [preauth]
Dec  7 00:49:49 keyhelp sshd[1113]: Disconnected from authenticating user r.r 152.136.153.17 port 59492 [preauth]
D........
------------------------------

Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth):

Sep 10 18:58:14 andromeda sshd\[7245\]: Invalid user admin from 77.222.98.101 port 57353
Sep 10 18:58:14 andromeda sshd\[7244\]: Invalid user admin from 77.222.98.101 port 47231
Sep 10 18:58:16 andromeda sshd\[7245\]: Failed password for invalid user admin from 77.222.98.101 port 57353 ssh2

Sep 10 23:36:41 dev0-dcde-rnet sshd[25110]: Failed password for root from 222.186.180.130 port 51658 ssh2
Sep 10 23:36:43 dev0-dcde-rnet sshd[25110]: Failed password for root from 222.186.180.130 port 51658 ssh2
Sep 10 23:36:45 dev0-dcde-rnet sshd[25110]: Failed password for root from 222.186.180.130 port 51658 ssh2

Sep 10 22:04:19 instance-2 sshd[21989]: Failed password for root from 222.186.190.2 port 54970 ssh2
Sep 10 22:04:23 instance-2 sshd[21989]: Failed password for root from 222.186.190.2 port 54970 ssh2
Sep 10 22:04:27 instance-2 sshd[21989]: Failed password for root from 222.186.190.2 port 54970 ssh2
Sep 10 22:04:32 instance-2 sshd[21989]: Failed password for root from 222.186.190.2 port 54970 ssh2

Brute force attempt

[2020-09-10 17:07:17] NOTICE[1239] chan_sip.c: Registration from '' failed for '185.108.106.251:49929' - Wrong password
[2020-09-10 17:07:17] SECURITY[1264] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-10T17:07:17.038-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6836",SessionID="0x7f4d480fdcc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.108.106.251/49929",Challenge="0664e3bf",ReceivedChallenge="0664e3bf",ReceivedHash="132a0182518dade350444b72aaa8bd2f"
[2020-09-10 17:07:47] NOTICE[1239] chan_sip.c: Registration from '' failed for '185.108.106.251:63448' - Wrong password
[2020-09-10 17:07:47] SECURITY[1264] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-10T17:07:47.789-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7064",SessionID="0x7f4d481284c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.108
...

Sep 10 19:37:56 srv-ubuntu-dev3 sshd[19471]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.96.122  user=root
Sep 10 19:37:58 srv-ubuntu-dev3 sshd[19471]: Failed password for root from 62.234.96.122 port 36484 ssh2
Sep 10 19:39:11 srv-ubuntu-dev3 sshd[19726]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.96.122  user=root
Sep 10 19:39:13 srv-ubuntu-dev3 sshd[19726]: Failed password for root from 62.234.96.122 port 48932 ssh2
Sep 10 19:40:22 srv-ubuntu-dev3 sshd[19843]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.96.122  user=root
Sep 10 19:40:24 srv-ubuntu-dev3 sshd[19843]: Failed password for root from 62.234.96.122 port 33150 ssh2
Sep 10 19:41:35 srv-ubuntu-dev3 sshd[20000]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.96.122  user=root
Sep 10 19:41:37 srv-ubuntu-dev3 sshd[20000]: Failed p
...

2020-09-10T17:10:48.066369shield sshd\[8118\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.17.74  user=root
2020-09-10T17:10:50.142915shield sshd\[8118\]: Failed password for root from 62.234.17.74 port 49278 ssh2
2020-09-10T17:13:55.909482shield sshd\[8916\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.17.74  user=root
2020-09-10T17:13:57.323822shield sshd\[8916\]: Failed password for root from 62.234.17.74 port 59128 ssh2
2020-09-10T17:17:01.162341shield sshd\[9570\]: Invalid user hama from 62.234.17.74 port 40746

Sep 10 20:20:03 jane sshd[26765]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.140.83.18 
Sep 10 20:20:05 jane sshd[26765]: Failed password for invalid user ubuntu from 103.140.83.18 port 49382 ssh2
...

Sep 11 00:15:54 lunarastro sshd[24505]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.22.136.3 
Sep 11 00:15:56 lunarastro sshd[24505]: Failed password for invalid user admin from 115.22.136.3 port 37262 ssh2

Sep 10 21:20:35 scw-6657dc sshd[28467]: Failed password for root from 218.92.0.223 port 61710 ssh2
Sep 10 21:20:35 scw-6657dc sshd[28467]: Failed password for root from 218.92.0.223 port 61710 ssh2
Sep 10 21:20:38 scw-6657dc sshd[28467]: Failed password for root from 218.92.0.223 port 61710 ssh2
...

20/9/10@12:58:12: FAIL: Alarm-Network address from=85.173.248.51
20/9/10@12:58:12: FAIL: Alarm-Network address from=85.173.248.51
...

Distributed brute force attack

Sep 10 20:00:45 ssh2 sshd[16392]: User root from 109.87.18.16 not allowed because not listed in AllowUsers
Sep 10 20:00:45 ssh2 sshd[16392]: Failed password for invalid user root from 109.87.18.16 port 51926 ssh2
Sep 10 20:00:46 ssh2 sshd[16392]: Connection closed by invalid user root 109.87.18.16 port 51926 [preauth]
...

Sep 10 18:58:07 * sshd[15024]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.84.92.218
Sep 10 18:58:09 * sshd[15024]: Failed password for invalid user admin from 78.84.92.218 port 40840 ssh2