Sep 22 02:27:17 tuotantolaitos sshd[28725]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.69.167
Sep 22 02:27:18 tuotantolaitos sshd[28725]: Failed password for invalid user johan from 167.99.69.167 port 41670 ssh2
...

Brute force attempt

47 failed attempt(s) in the last 24h

\[2019-09-21 18:57:59\] NOTICE\[2270\] chan_sip.c: Registration from '"104" \' failed for '74.63.255.138:5417' - Wrong password
\[2019-09-21 18:57:59\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-21T18:57:59.746-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="104",SessionID="0x7fcd8c1615d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/74.63.255.138/5417",Challenge="12e9a994",ReceivedChallenge="12e9a994",ReceivedHash="f622ae21f4a2bc49f1a062e61c5da4ba"
\[2019-09-21 18:57:59\] NOTICE\[2270\] chan_sip.c: Registration from '"104" \' failed for '74.63.255.138:5417' - Wrong password
\[2019-09-21 18:57:59\] SECURITY\[2283\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-21T18:57:59.846-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="104",SessionID="0x7fcd8c297358",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/74.6

Sep 21 13:18:52 lcdev sshd\[31968\]: Invalid user cssserver from 80.234.44.81
Sep 21 13:18:52 lcdev sshd\[31968\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.234.44.81
Sep 21 13:18:54 lcdev sshd\[31968\]: Failed password for invalid user cssserver from 80.234.44.81 port 39004 ssh2
Sep 21 13:22:57 lcdev sshd\[32318\]: Invalid user 1234 from 80.234.44.81
Sep 21 13:22:57 lcdev sshd\[32318\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.234.44.81

Sep 22 00:44:13 core sshd[10412]: Invalid user linux from 37.187.248.39 port 53816
Sep 22 00:44:15 core sshd[10412]: Failed password for invalid user linux from 37.187.248.39 port 53816 ssh2
...

Sep 22 00:38:27 MK-Soft-VM7 sshd[21893]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.58.18 
Sep 22 00:38:29 MK-Soft-VM7 sshd[21893]: Failed password for invalid user nagios from 111.93.58.18 port 49448 ssh2
...

Sep 21 19:13:07 ny01 sshd[15453]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.101.140.227
Sep 21 19:13:08 ny01 sshd[15453]: Failed password for invalid user map from 5.101.140.227 port 54412 ssh2
Sep 21 19:17:43 ny01 sshd[16577]: Failed password for root from 5.101.140.227 port 40440 ssh2

Sep 22 00:53:17 SilenceServices sshd[6443]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.210.31
Sep 22 00:53:19 SilenceServices sshd[6443]: Failed password for invalid user robot123 from 149.202.210.31 port 44720 ssh2
Sep 22 00:57:30 SilenceServices sshd[7571]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.210.31

Sep 21 13:29:58 php1 sshd\[10989\]: Invalid user ben from 88.204.72.142
Sep 21 13:29:58 php1 sshd\[10989\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=kibevs.sur.net.ru
Sep 21 13:30:00 php1 sshd\[10989\]: Failed password for invalid user ben from 88.204.72.142 port 45404 ssh2
Sep 21 13:34:22 php1 sshd\[11520\]: Invalid user hduser from 88.204.72.142
Sep 21 13:34:22 php1 sshd\[11520\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=kibevs.sur.net.ru

Sep 22 00:30:51 meumeu sshd[10417]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.115.27 
Sep 22 00:30:54 meumeu sshd[10417]: Failed password for invalid user squid from 157.230.115.27 port 46560 ssh2
Sep 22 00:34:41 meumeu sshd[11276]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.115.27 
Sep 22 00:34:43 meumeu sshd[11276]: Failed password for invalid user au from 157.230.115.27 port 42080 ssh2
...

RDP Bruteforce

Sep 21 23:44:36 meumeu sshd[980]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.90.130 
Sep 21 23:44:38 meumeu sshd[980]: Failed password for invalid user ec2-user from 92.222.90.130 port 37866 ssh2
Sep 21 23:48:23 meumeu sshd[2015]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.90.130 
...

DATE:2019-09-21 23:24:39, IP:220.95.125.187, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc-bis)

Triggered by Fail2Ban at Vostok web server