05.07.2020 18:15:12 - Wordpress fail 
Detected by ELinOX-ALM

51.91.14.55 - - [25/Jun/2020:13:50:22 +0100] "POST /wp-login.php HTTP/1.1" 200 2006 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
51.91.14.55 - - [25/Jun/2020:13:50:23 +0100] "POST /wp-login.php HTTP/1.1" 200 1973 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
51.91.14.55 - - [25/Jun/2020:13:50:23 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...

2020-06-24T17:27:22.714598shield sshd\[17443\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.145.216  user=root
2020-06-24T17:27:24.794304shield sshd\[17443\]: Failed password for root from 51.91.145.216 port 45132 ssh2
2020-06-24T17:30:37.943224shield sshd\[17887\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.145.216  user=root
2020-06-24T17:30:40.127959shield sshd\[17887\]: Failed password for root from 51.91.145.216 port 45040 ssh2
2020-06-24T17:33:54.601751shield sshd\[18228\]: Invalid user tanya from 51.91.145.216 port 44946
2020-06-24T17:33:54.604563shield sshd\[18228\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.145.216

2020-06-23T06:52:37.468427abusebot-7.cloudsearch.cf sshd[10496]: Invalid user iaw from 51.91.145.216 port 49086
2020-06-23T06:52:37.474119abusebot-7.cloudsearch.cf sshd[10496]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.145.216
2020-06-23T06:52:37.468427abusebot-7.cloudsearch.cf sshd[10496]: Invalid user iaw from 51.91.145.216 port 49086
2020-06-23T06:52:38.931574abusebot-7.cloudsearch.cf sshd[10496]: Failed password for invalid user iaw from 51.91.145.216 port 49086 ssh2
2020-06-23T06:55:34.740880abusebot-7.cloudsearch.cf sshd[10608]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.145.216  user=root
2020-06-23T06:55:36.830712abusebot-7.cloudsearch.cf sshd[10608]: Failed password for root from 51.91.145.216 port 49454 ssh2
2020-06-23T06:58:43.346529abusebot-7.cloudsearch.cf sshd[10621]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.145.216  u
...

Failed password for invalid user user2 from 51.91.145.216 port 36972 ssh2

WordPress brute force

May  4 05:55:44 host sshd[30654]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.146.153  user=root
May  4 05:55:46 host sshd[30654]: Failed password for root from 51.91.146.153 port 33975 ssh2
...

Apr 26 16:39:27 l03 sshd[29137]: Invalid user prashant from 51.91.140.241 port 53260
...

Lines containing failures of 51.91.140.241
Apr 25 07:50:40 kmh-wmh-002-nbg03 sshd[5414]: Invalid user samp from 51.91.140.241 port 41992
Apr 25 07:50:40 kmh-wmh-002-nbg03 sshd[5414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.241 
Apr 25 07:50:42 kmh-wmh-002-nbg03 sshd[5414]: Failed password for invalid user samp from 51.91.140.241 port 41992 ssh2
Apr 25 07:50:43 kmh-wmh-002-nbg03 sshd[5414]: Received disconnect from 51.91.140.241 port 41992:11: Bye Bye [preauth]
Apr 25 07:50:43 kmh-wmh-002-nbg03 sshd[5414]: Disconnected from invalid user samp 51.91.140.241 port 41992 [preauth]
Apr 25 07:53:39 kmh-wmh-002-nbg03 sshd[5658]: Invalid user transfer from 51.91.140.241 port 58662
Apr 25 07:53:39 kmh-wmh-002-nbg03 sshd[5658]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.241 
Apr 25 07:53:41 kmh-wmh-002-nbg03 sshd[5658]: Failed password for invalid user transfer from 51.91........
------------------------------

Lines containing failures of 51.91.140.241
Apr 25 07:50:40 kmh-wmh-002-nbg03 sshd[5414]: Invalid user samp from 51.91.140.241 port 41992
Apr 25 07:50:40 kmh-wmh-002-nbg03 sshd[5414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.241 
Apr 25 07:50:42 kmh-wmh-002-nbg03 sshd[5414]: Failed password for invalid user samp from 51.91.140.241 port 41992 ssh2
Apr 25 07:50:43 kmh-wmh-002-nbg03 sshd[5414]: Received disconnect from 51.91.140.241 port 41992:11: Bye Bye [preauth]
Apr 25 07:50:43 kmh-wmh-002-nbg03 sshd[5414]: Disconnected from invalid user samp 51.91.140.241 port 41992 [preauth]
Apr 25 07:53:39 kmh-wmh-002-nbg03 sshd[5658]: Invalid user transfer from 51.91.140.241 port 58662
Apr 25 07:53:39 kmh-wmh-002-nbg03 sshd[5658]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.241 
Apr 25 07:53:41 kmh-wmh-002-nbg03 sshd[5658]: Failed password for invalid user transfer from 51.91........
------------------------------

SSH brutforce

2020-04-22T22:18:34.626044abusebot-3.cloudsearch.cf sshd[9770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.218  user=root
2020-04-22T22:18:37.084500abusebot-3.cloudsearch.cf sshd[9770]: Failed password for root from 51.91.140.218 port 33032 ssh2
2020-04-22T22:19:13.505968abusebot-3.cloudsearch.cf sshd[9803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.218  user=root
2020-04-22T22:19:14.985769abusebot-3.cloudsearch.cf sshd[9803]: Failed password for root from 51.91.140.218 port 38488 ssh2
2020-04-22T22:19:51.491466abusebot-3.cloudsearch.cf sshd[9838]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.140.218  user=root
2020-04-22T22:19:53.187145abusebot-3.cloudsearch.cf sshd[9838]: Failed password for root from 51.91.140.218 port 43954 ssh2
2020-04-22T22:20:28.144288abusebot-3.cloudsearch.cf sshd[9873]: Invalid user test from 51.91.140.
...

Wordpress malicious attack:[sshd]

Apr 20 06:48:36  sshd\[10125\]: Invalid user ubuntu from 51.91.140.60Apr 20 06:48:38  sshd\[10125\]: Failed password for invalid user ubuntu from 51.91.140.60 port 54970 ssh2
...

Apr 19 08:13:50 server sshd[23973]: Failed password for invalid user af from 51.91.140.60 port 56716 ssh2
Apr 19 08:17:58 server sshd[26970]: Failed password for root from 51.91.140.60 port 47220 ssh2
Apr 19 08:22:20 server sshd[30711]: Failed password for root from 51.91.140.60 port 37726 ssh2

Oct  1 05:30:26 venus sshd\[16022\]: Invalid user urias123 from 220.121.58.55 port 39284
Oct  1 05:30:26 venus sshd\[16022\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.121.58.55
Oct  1 05:30:28 venus sshd\[16022\]: Failed password for invalid user urias123 from 220.121.58.55 port 39284 ssh2
...

Oct  1 10:14:24 vps01 sshd[3017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.194.198
Oct  1 10:14:27 vps01 sshd[3017]: Failed password for invalid user qy from 119.29.194.198 port 50984 ssh2

Oct  1 08:19:19 v22019058497090703 sshd[20495]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.200.66.164
Oct  1 08:19:21 v22019058497090703 sshd[20495]: Failed password for invalid user klind from 42.200.66.164 port 53760 ssh2
Oct  1 08:23:43 v22019058497090703 sshd[20785]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.200.66.164
...

2019-10-01T10:48:23.637362centos sshd\[23044\]: Invalid user bi from 152.136.141.227 port 56124
2019-10-01T10:48:23.651361centos sshd\[23044\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.141.227
2019-10-01T10:48:25.769563centos sshd\[23044\]: Failed password for invalid user bi from 152.136.141.227 port 56124 ssh2

Oct  1 08:55:56 icinga sshd[4032]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.35.168
Oct  1 08:55:58 icinga sshd[4032]: Failed password for invalid user kaitlin from 118.89.35.168 port 57170 ssh2
...

Attempt to attack host OS, exploiting network vulnerabilities, on 01-10-2019 04:50:18.

Oct  1 06:18:50 rotator sshd\[27341\]: Address 198.98.52.143 maps to tor-exit.jwhite.network, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Oct  1 06:18:52 rotator sshd\[27341\]: Failed password for root from 198.98.52.143 port 58294 ssh2Oct  1 06:18:55 rotator sshd\[27341\]: Failed password for root from 198.98.52.143 port 58294 ssh2Oct  1 06:18:57 rotator sshd\[27341\]: Failed password for root from 198.98.52.143 port 58294 ssh2Oct  1 06:19:00 rotator sshd\[27341\]: Failed password for root from 198.98.52.143 port 58294 ssh2Oct  1 06:19:03 rotator sshd\[27341\]: Failed password for root from 198.98.52.143 port 58294 ssh2
...

(sshd) Failed SSH login from 62.75.145.134 (FR/France/studynjoy.at): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  1 05:22:07 server2 sshd[26357]: Invalid user test from 62.75.145.134 port 56240
Oct  1 05:22:09 server2 sshd[26357]: Failed password for invalid user test from 62.75.145.134 port 56240 ssh2
Oct  1 05:31:30 server2 sshd[27079]: Failed password for root from 62.75.145.134 port 33110 ssh2
Oct  1 05:49:54 server2 sshd[28344]: Invalid user test from 62.75.145.134 port 37940
Oct  1 05:49:56 server2 sshd[28344]: Failed password for invalid user test from 62.75.145.134 port 37940 ssh2

Scanning random ports - tries to find possible vulnerable services

Oct  1 06:05:58 vtv3 sshd\[31706\]: Invalid user sy from 54.39.193.26 port 10249
Oct  1 06:05:58 vtv3 sshd\[31706\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.193.26
Oct  1 06:06:01 vtv3 sshd\[31706\]: Failed password for invalid user sy from 54.39.193.26 port 10249 ssh2
Oct  1 06:11:06 vtv3 sshd\[1854\]: Invalid user rajan from 54.39.193.26 port 60544
Oct  1 06:11:06 vtv3 sshd\[1854\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.193.26
Oct  1 06:25:18 vtv3 sshd\[9161\]: Invalid user phpbb from 54.39.193.26 port 5667
Oct  1 06:25:18 vtv3 sshd\[9161\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.193.26
Oct  1 06:25:19 vtv3 sshd\[9161\]: Failed password for invalid user phpbb from 54.39.193.26 port 5667 ssh2
Oct  1 06:30:19 vtv3 sshd\[11681\]: Invalid user user1 from 54.39.193.26 port 24011
Oct  1 06:30:19 vtv3 sshd\[11681\]: pam_unix\(sshd:auth\): auth

Oct  1 05:41:26 mxgate1 sshd[18144]: Did not receive identification string from 192.99.151.184 port 45246
Oct  1 05:44:10 mxgate1 sshd[18195]: Invalid user ts3 from 192.99.151.184 port 57686
Oct  1 05:44:10 mxgate1 sshd[18195]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.151.184
Oct  1 05:44:13 mxgate1 sshd[18195]: Failed password for invalid user ts3 from 192.99.151.184 port 57686 ssh2
Oct  1 05:44:13 mxgate1 sshd[18195]: Received disconnect from 192.99.151.184 port 57686:11: Normal Shutdown, Thank you for playing [preauth]
Oct  1 05:44:13 mxgate1 sshd[18195]: Disconnected from 192.99.151.184 port 57686 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=192.99.151.184

Unauthorised access (Oct  1) SRC=126.4.113.186 LEN=40 TTL=52 ID=40309 TCP DPT=8080 WINDOW=53349 SYN 
Unauthorised access (Oct  1) SRC=126.4.113.186 LEN=40 TTL=52 ID=61450 TCP DPT=8080 WINDOW=53349 SYN 
Unauthorised access (Sep 30) SRC=126.4.113.186 LEN=40 TTL=52 ID=28827 TCP DPT=8080 WINDOW=53349 SYN

" "

Oct  1 10:48:01 lnxweb61 sshd[18190]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.34.211

10/01/2019-04:09:28.056945 91.121.101.61 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 99