Sep 26 08:41:26 ny01 sshd[15720]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.48.157
Sep 26 08:41:28 ny01 sshd[15720]: Failed password for invalid user Ruut from 106.13.48.157 port 35948 ssh2
Sep 26 08:47:26 ny01 sshd[17038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.48.157

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Invalid user rajesh from 122.62.40.83 port 47769

3389BruteforceFW22

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\[2019-09-26 14:41:03\] NOTICE\[5713\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '81.171.85.157:50412' \(callid: 770094324-1884450021-1814096987\) - Failed to authenticate
\[2019-09-26 14:41:03\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-26T14:41:03.848+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="770094324-1884450021-1814096987",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/81.171.85.157/50412",Challenge="1569501663/efb687b5943a25ee87adff60b4deab84",Response="d67285215d7281389855835c0c0fb4f5",ExpectedResponse=""
\[2019-09-26 14:41:03\] NOTICE\[32542\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '81.171.85.157:50412' \(callid: 770094324-1884450021-1814096987\) - Failed to authenticate
\[2019-09-26 14:41:03\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponse

Sep 26 14:41:38 dcd-gentoo sshd[19832]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Sep 26 14:41:41 dcd-gentoo sshd[19832]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Sep 26 14:41:38 dcd-gentoo sshd[19832]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Sep 26 14:41:41 dcd-gentoo sshd[19832]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Sep 26 14:41:38 dcd-gentoo sshd[19832]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Sep 26 14:41:41 dcd-gentoo sshd[19832]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Sep 26 14:41:41 dcd-gentoo sshd[19832]: Failed keyboard-interactive/pam for invalid user root from 218.92.0.191 port 22891 ssh2
...

Sep 26 00:58:02 web1 postfix/smtpd[18225]: warning: unknown[123.233.246.52]: SASL LOGIN authentication failed: authentication failure
...

SMB Server BruteForce Attack

by Amazon Technologies Inc.

Sep 26 14:41:45 vps647732 sshd[20499]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.80.210.169
Sep 26 14:41:47 vps647732 sshd[20499]: Failed password for invalid user tomcat from 151.80.210.169 port 54337 ssh2
...

Sep 26 14:41:40 dedicated sshd[20579]: Invalid user abidin from 195.218.144.234 port 39161

Sep 26 14:57:43 SilenceServices sshd[524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.185.62.146
Sep 26 14:57:45 SilenceServices sshd[524]: Failed password for invalid user netika from 117.185.62.146 port 40119 ssh2
Sep 26 15:01:51 SilenceServices sshd[3123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.185.62.146

(sshd) Failed SSH login from 139.59.91.139 (-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 26 08:37:12 chookity sshd[30151]: Did not receive identification string from 139.59.91.139 port 60946
Sep 26 08:40:19 chookity sshd[30312]: Invalid user doctor from 139.59.91.139 port 33116
Sep 26 08:40:47 chookity sshd[30323]: Invalid user virus from 139.59.91.139 port 48666
Sep 26 08:41:15 chookity sshd[30326]: Invalid user windows from 139.59.91.139 port 37018
Sep 26 08:41:42 chookity sshd[30334]: Invalid user dummy from 139.59.91.139 port 52776

Sep 26 17:41:38 gw1 sshd[23337]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.99.197.111
Sep 26 17:41:40 gw1 sshd[23337]: Failed password for invalid user ys from 177.99.197.111 port 60419 ssh2
...