[ssh] SSH attack

Brute force attempt

Sep 15 10:24:49 rush sshd[7492]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
Sep 15 10:24:51 rush sshd[7492]: Failed password for invalid user admin from 138.68.106.62 port 36192 ssh2
Sep 15 10:28:46 rush sshd[7607]: Failed password for root from 138.68.106.62 port 49178 ssh2
...

Ssh brute force

Time:     Mon Sep 14 19:52:07 2020 +0000
IP:       138.68.106.62 (DE/Germany/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep 14 19:43:22 vps3 sshd[952]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Sep 14 19:43:24 vps3 sshd[952]: Failed password for root from 138.68.106.62 port 35864 ssh2
Sep 14 19:49:51 vps3 sshd[2500]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Sep 14 19:49:53 vps3 sshd[2500]: Failed password for root from 138.68.106.62 port 35364 ssh2
Sep 14 19:52:03 vps3 sshd[2984]: Invalid user waps from 138.68.106.62 port 47338

<6 unauthorized SSH connections

SSH Bruteforce attack

*Port Scan* detected from 138.68.106.62 (DE/Germany/Hesse/Frankfurt am Main/-). 4 hits in the last 90 seconds

Aug 11 18:57:21 jane sshd[13485]: Failed password for root from 138.68.106.62 port 45976 ssh2
...

Aug  2 05:09:13 mockhub sshd[11935]: Failed password for root from 138.68.106.62 port 49734 ssh2
...

Invalid user autobacs from 138.68.106.62 port 43860

SSH Brute Force

Jul 25 23:56:04 NPSTNNYC01T sshd[20607]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
Jul 25 23:56:06 NPSTNNYC01T sshd[20607]: Failed password for invalid user jcm from 138.68.106.62 port 39762 ssh2
Jul 25 23:59:48 NPSTNNYC01T sshd[20955]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
...

$f2bV_matches

Jul  1 03:27:46 ip-172-31-62-245 sshd\[19501\]: Invalid user mine from 138.68.106.62\
Jul  1 03:27:48 ip-172-31-62-245 sshd\[19501\]: Failed password for invalid user mine from 138.68.106.62 port 45168 ssh2\
Jul  1 03:30:40 ip-172-31-62-245 sshd\[19575\]: Invalid user Justin from 138.68.106.62\
Jul  1 03:30:43 ip-172-31-62-245 sshd\[19575\]: Failed password for invalid user Justin from 138.68.106.62 port 45874 ssh2\
Jul  1 03:33:40 ip-172-31-62-245 sshd\[19638\]: Invalid user test from 138.68.106.62\

SSH / Telnet Brute Force Attempts on Honeypot

$f2bV_matches

Jun 14 23:36:58 pixelmemory sshd[1485085]: Failed password for root from 138.68.106.62 port 48970 ssh2
Jun 14 23:40:12 pixelmemory sshd[1491073]: Invalid user niki from 138.68.106.62 port 50206
Jun 14 23:40:12 pixelmemory sshd[1491073]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62 
Jun 14 23:40:12 pixelmemory sshd[1491073]: Invalid user niki from 138.68.106.62 port 50206
Jun 14 23:40:14 pixelmemory sshd[1491073]: Failed password for invalid user niki from 138.68.106.62 port 50206 ssh2
...

Jun 13 11:01:27 [host] sshd[364]: pam_unix(sshd:au
Jun 13 11:01:29 [host] sshd[364]: Failed password 
Jun 13 11:04:55 [host] sshd[474]: Invalid user ynq

Invalid user davis from 138.68.106.62 port 50498

2020-06-12T01:25:44.257850mail.standpoint.com.ua sshd[19157]: Invalid user th from 138.68.106.62 port 60590
2020-06-12T01:25:44.260614mail.standpoint.com.ua sshd[19157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
2020-06-12T01:25:44.257850mail.standpoint.com.ua sshd[19157]: Invalid user th from 138.68.106.62 port 60590
2020-06-12T01:25:46.179236mail.standpoint.com.ua sshd[19157]: Failed password for invalid user th from 138.68.106.62 port 60590 ssh2
2020-06-12T01:28:41.118998mail.standpoint.com.ua sshd[19518]: Invalid user cloud from 138.68.106.62 port 32988
...

Jun  5 22:31:22 ns382633 sshd\[29454\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Jun  5 22:31:24 ns382633 sshd\[29454\]: Failed password for root from 138.68.106.62 port 38304 ssh2
Jun  5 22:39:34 ns382633 sshd\[30666\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Jun  5 22:39:37 ns382633 sshd\[30666\]: Failed password for root from 138.68.106.62 port 40364 ssh2
Jun  5 22:42:32 ns382633 sshd\[31405\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root

Jun  3 07:07:53 buvik sshd[25375]: Failed password for root from 138.68.106.62 port 42954 ssh2
Jun  3 07:09:10 buvik sshd[25628]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Jun  3 07:09:12 buvik sshd[25628]: Failed password for root from 138.68.106.62 port 33218 ssh2
...

May 21 03:46:23 XXX sshd[23845]: Invalid user vka from 138.68.106.62 port 40112

2020-05-15T07:58:05.375208  sshd[7749]: Invalid user delia from 138.68.106.62 port 43574
2020-05-15T07:58:05.390050  sshd[7749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
2020-05-15T07:58:05.375208  sshd[7749]: Invalid user delia from 138.68.106.62 port 43574
2020-05-15T07:58:07.601463  sshd[7749]: Failed password for invalid user delia from 138.68.106.62 port 43574 ssh2
...

2020-05-10T22:04:15.843718shield sshd\[32170\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
2020-05-10T22:04:17.915925shield sshd\[32170\]: Failed password for root from 138.68.106.62 port 39786 ssh2
2020-05-10T22:07:39.324606shield sshd\[529\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
2020-05-10T22:07:41.401873shield sshd\[529\]: Failed password for root from 138.68.106.62 port 48206 ssh2
2020-05-10T22:11:15.712254shield sshd\[1379\]: Invalid user mohajeri from 138.68.106.62 port 56628

May  6 12:25:29 * sshd[24889]: Failed password for root from 138.68.106.62 port 35666 ssh2

Apr 30 14:11:19 ns392434 sshd[4147]: Invalid user demo from 138.68.106.62 port 34180
Apr 30 14:11:19 ns392434 sshd[4147]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
Apr 30 14:11:19 ns392434 sshd[4147]: Invalid user demo from 138.68.106.62 port 34180
Apr 30 14:11:21 ns392434 sshd[4147]: Failed password for invalid user demo from 138.68.106.62 port 34180 ssh2
Apr 30 14:21:01 ns392434 sshd[4293]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Apr 30 14:21:03 ns392434 sshd[4293]: Failed password for root from 138.68.106.62 port 39258 ssh2
Apr 30 14:24:39 ns392434 sshd[4352]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=mysql
Apr 30 14:24:41 ns392434 sshd[4352]: Failed password for mysql from 138.68.106.62 port 50286 ssh2
Apr 30 14:28:09 ns392434 sshd[4494]: Invalid user chong from 138.68.106.62 port 33082

Apr 22 05:49:08 DAAP sshd[24622]: Invalid user qx from 138.68.106.62 port 46096
Apr 22 05:49:08 DAAP sshd[24622]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
Apr 22 05:49:08 DAAP sshd[24622]: Invalid user qx from 138.68.106.62 port 46096
Apr 22 05:49:11 DAAP sshd[24622]: Failed password for invalid user qx from 138.68.106.62 port 46096 ssh2
Apr 22 05:57:22 DAAP sshd[24899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62  user=root
Apr 22 05:57:24 DAAP sshd[24899]: Failed password for root from 138.68.106.62 port 37776 ssh2
...

Apr 19 18:48:24 ift sshd\[4590\]: Invalid user postgres from 138.68.106.62Apr 19 18:48:26 ift sshd\[4590\]: Failed password for invalid user postgres from 138.68.106.62 port 36418 ssh2Apr 19 18:52:16 ift sshd\[5138\]: Invalid user test from 138.68.106.62Apr 19 18:52:18 ift sshd\[5138\]: Failed password for invalid user test from 138.68.106.62 port 54144 ssh2Apr 19 18:56:21 ift sshd\[5948\]: Invalid user ti from 138.68.106.62
...

1597895757 - 08/20/2020 05:55:57 Host: 138.68.106.90/138.68.106.90 Port: 8080 TCP Blocked

Sep 19 12:50:20 jane sshd[7377]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.139.153.186 
Sep 19 12:50:22 jane sshd[7377]: Failed password for invalid user lotto from 177.139.153.186 port 42221 ssh2
...

[Thu Sep 19 09:56:02.864452 2019] [:error] [pid 140505] [client 88.247.169.151:34332] [client 88.247.169.151] ModSecurity: Access denied with code 403 (phase 2). Operator GE matched 5 at TX:anomaly_score. [file "/usr/share/modsecurity-crs/rules/REQUEST-949-BLOCKING-EVALUATION.conf"] [line "91"] [id "949110"] [msg "Inbound Anomaly Score Exceeded (Total Score: 21)"] [severity "CRITICAL"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-generic"] [hostname "127.0.0.1"] [uri "/cgi-bin/ViewLog.asp"] [unique_id "XYN64gMB1tSxUYQZzMUnWwAAAAI"]
...

Triggered by Fail2Ban at Vostok web server

Sep 19 01:23:12 php1 sshd\[6962\]: Invalid user pi from 72.68.125.94
Sep 19 01:23:12 php1 sshd\[6964\]: Invalid user pi from 72.68.125.94
Sep 19 01:23:12 php1 sshd\[6962\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=pool-72-68-125-94.nwrknj.fios.verizon.net
Sep 19 01:23:12 php1 sshd\[6964\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=pool-72-68-125-94.nwrknj.fios.verizon.net
Sep 19 01:23:14 php1 sshd\[6962\]: Failed password for invalid user pi from 72.68.125.94 port 44124 ssh2

Sep 19 13:02:51 localhost sshd\[109828\]: Invalid user dale from 118.89.35.251 port 42122
Sep 19 13:02:51 localhost sshd\[109828\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.35.251
Sep 19 13:02:53 localhost sshd\[109828\]: Failed password for invalid user dale from 118.89.35.251 port 42122 ssh2
Sep 19 13:06:58 localhost sshd\[109987\]: Invalid user elvis from 118.89.35.251 port 44816
Sep 19 13:06:58 localhost sshd\[109987\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.35.251
...

\[2019-09-19 12:46:48\] NOTICE\[2270\] chan_sip.c: Registration from '"106" \' failed for '77.247.110.216:5431' - Wrong password
\[2019-09-19 12:46:48\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-19T12:46:48.304-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="106",SessionID="0x7fcd8c297358",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.110.216/5431",Challenge="4732b0c8",ReceivedChallenge="4732b0c8",ReceivedHash="7b866b6f6095d4a78ae870d62958b3bd"
\[2019-09-19 12:46:48\] NOTICE\[2270\] chan_sip.c: Registration from '"106" \' failed for '77.247.110.216:5431' - Wrong password
\[2019-09-19 12:46:48\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-19T12:46:48.404-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="106",SessionID="0x7fcd8c0e1918",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/7

Sep 19 06:56:35 lcprod sshd\[27339\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=garage.neezzmail.com  user=root
Sep 19 06:56:37 lcprod sshd\[27339\]: Failed password for root from 5.135.135.116 port 49240 ssh2
Sep 19 07:00:44 lcprod sshd\[27745\]: Invalid user daniel from 5.135.135.116
Sep 19 07:00:44 lcprod sshd\[27745\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=garage.neezzmail.com
Sep 19 07:00:46 lcprod sshd\[27745\]: Failed password for invalid user daniel from 5.135.135.116 port 42029 ssh2

SSH Brute Force, server-1 sshd[16069]: Failed password for invalid user wpuser from 106.12.206.53 port 60648 ssh2

Unauthorized connection attempt from IP address 14.177.40.119 on Port 445(SMB)

Sep 19 18:13:57 h2177944 sshd\[14643\]: Failed password for invalid user 123456 from 111.231.89.197 port 40048 ssh2
Sep 19 19:14:24 h2177944 sshd\[17129\]: Invalid user nuucp from 111.231.89.197 port 38022
Sep 19 19:14:24 h2177944 sshd\[17129\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.89.197
Sep 19 19:14:26 h2177944 sshd\[17129\]: Failed password for invalid user nuucp from 111.231.89.197 port 38022 ssh2
...

Attempt to attack host OS, exploiting network vulnerabilities, on 19-09-2019 11:50:33.

SSH Brute Force, server-1 sshd[6896]: Failed password for invalid user deploy from 52.231.31.11 port 51956 ssh2

Sep 19 01:56:25 friendsofhawaii sshd\[12816\]: Invalid user globe from 182.61.33.47
Sep 19 01:56:25 friendsofhawaii sshd\[12816\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.33.47
Sep 19 01:56:26 friendsofhawaii sshd\[12816\]: Failed password for invalid user globe from 182.61.33.47 port 33780 ssh2
Sep 19 02:01:30 friendsofhawaii sshd\[13255\]: Invalid user didi from 182.61.33.47
Sep 19 02:01:30 friendsofhawaii sshd\[13255\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.33.47

Automated report - ssh fail2ban:
Sep 19 13:51:31 authentication failure 
Sep 19 13:51:32 wrong password, user=qz, port=23024, ssh2
Sep 19 13:56:59 authentication failure

Sep 19 05:39:04 php1 sshd\[8704\]: Invalid user bd from 157.230.222.2
Sep 19 05:39:04 php1 sshd\[8704\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.222.2
Sep 19 05:39:07 php1 sshd\[8704\]: Failed password for invalid user bd from 157.230.222.2 port 42250 ssh2
Sep 19 05:43:14 php1 sshd\[9153\]: Invalid user kirk from 157.230.222.2
Sep 19 05:43:14 php1 sshd\[9153\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.222.2