Mar 10 10:22:13 lnxded63 sshd[23032]: Failed password for root from 212.95.137.117 port 37542 ssh2
Mar 10 10:28:19 lnxded63 sshd[23494]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.95.137.117
Mar 10 10:28:21 lnxded63 sshd[23494]: Failed password for invalid user alexander from 212.95.137.117 port 57068 ssh2

[2020-03-10 05:38:34] NOTICE[1148] chan_sip.c: Registration from '500 ' failed for '74.208.120.26:5060' - Wrong password
[2020-03-10 05:38:34] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-10T05:38:34.081-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="500",SessionID="0x7fd82c40d3d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/74.208.120.26/5060",Challenge="0e540352",ReceivedChallenge="0e540352",ReceivedHash="0781af783512ac7d3b08a4d7907be9c9"
[2020-03-10 05:48:00] NOTICE[1148] chan_sip.c: Registration from '29 ' failed for '74.208.120.26:5060' - Wrong password
[2020-03-10 05:48:00] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-10T05:48:00.582-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="29",SessionID="0x7fd82c40d3d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/74.208.120.26/5
...

Mar 10 10:14:43 debian-2gb-nbg1-2 kernel: \[6090831.083414\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=195.54.166.75 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=11723 PROTO=TCP SPT=58556 DPT=16786 WINDOW=1024 RES=0x00 SYN URGP=0

port scan and connect, tcp 22 (ssh)

IP blocked

Mar 10 08:05:20 srv-ubuntu-dev3 sshd[53991]: Invalid user 123ASDqaz@321 from 172.81.226.147
Mar 10 08:05:20 srv-ubuntu-dev3 sshd[53991]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.81.226.147
Mar 10 08:05:20 srv-ubuntu-dev3 sshd[53991]: Invalid user 123ASDqaz@321 from 172.81.226.147
Mar 10 08:05:22 srv-ubuntu-dev3 sshd[53991]: Failed password for invalid user 123ASDqaz@321 from 172.81.226.147 port 51232 ssh2
Mar 10 08:09:26 srv-ubuntu-dev3 sshd[54618]: Invalid user Pa$$word_ from 172.81.226.147
Mar 10 08:09:26 srv-ubuntu-dev3 sshd[54618]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.81.226.147
Mar 10 08:09:26 srv-ubuntu-dev3 sshd[54618]: Invalid user Pa$$word_ from 172.81.226.147
Mar 10 08:09:28 srv-ubuntu-dev3 sshd[54618]: Failed password for invalid user Pa$$word_ from 172.81.226.147 port 41176 ssh2
Mar 10 08:13:22 srv-ubuntu-dev3 sshd[55175]: pam_unix(sshd:auth): authentication failure; lo
...

Mar 10 05:24:39 NPSTNNYC01T sshd[25878]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.49.199.58
Mar 10 05:24:40 NPSTNNYC01T sshd[25878]: Failed password for invalid user army from 81.49.199.58 port 55456 ssh2
Mar 10 05:28:53 NPSTNNYC01T sshd[26195]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.49.199.58
...

Mar 10 08:54:35 ks10 sshd[1402638]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.127.152 
Mar 10 08:54:37 ks10 sshd[1402638]: Failed password for invalid user tech from 176.31.127.152 port 55382 ssh2
...

Mar 10 10:28:25 debian-2gb-nbg1-2 kernel: \[6091653.393213\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=176.113.115.53 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=50964 PROTO=TCP SPT=58557 DPT=9781 WINDOW=1024 RES=0x00 SYN URGP=0

Mar 10 05:36:54 master sshd[11697]: Failed password for root from 94.191.91.18 port 35488 ssh2
Mar 10 05:56:18 master sshd[11744]: Failed password for invalid user zhanghuahao from 94.191.91.18 port 40828 ssh2
Mar 10 05:59:18 master sshd[11750]: Failed password for invalid user factory from 94.191.91.18 port 40764 ssh2
Mar 10 06:01:48 master sshd[11779]: Failed password for invalid user upload from 94.191.91.18 port 40694 ssh2
Mar 10 06:07:01 master sshd[11791]: Failed password for invalid user lsfadmin from 94.191.91.18 port 40540 ssh2
Mar 10 06:09:33 master sshd[11797]: Failed password for invalid user javier from 94.191.91.18 port 40456 ssh2
Mar 10 06:12:12 master sshd[11803]: Failed password for invalid user at from 94.191.91.18 port 40374 ssh2
Mar 10 06:14:38 master sshd[11813]: Failed password for invalid user cpanelconnecttrack from 94.191.91.18 port 40294 ssh2
Mar 10 06:17:06 master sshd[11836]: Failed password for invalid user sgeadmin from 94.191.91.18 port 40208 ssh2

2020-03-10T10:28:54.095855  sshd[2341]: Invalid user fctrserver from 92.222.34.211 port 44166
2020-03-10T10:28:54.111343  sshd[2341]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.34.211
2020-03-10T10:28:54.095855  sshd[2341]: Invalid user fctrserver from 92.222.34.211 port 44166
2020-03-10T10:28:56.273228  sshd[2341]: Failed password for invalid user fctrserver from 92.222.34.211 port 44166 ssh2
...

DATE:2020-03-10 10:28:33, IP:59.20.189.183, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)

(sshd) Failed SSH login from 182.254.145.29 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 10 04:52:33 amsweb01 sshd[24845]: Invalid user user from 182.254.145.29 port 41435
Mar 10 04:52:34 amsweb01 sshd[24845]: Failed password for invalid user user from 182.254.145.29 port 41435 ssh2
Mar 10 05:01:59 amsweb01 sshd[25759]: Invalid user vpn from 182.254.145.29 port 58154
Mar 10 05:02:02 amsweb01 sshd[25759]: Failed password for invalid user vpn from 182.254.145.29 port 58154 ssh2
Mar 10 05:05:11 amsweb01 sshd[26034]: Invalid user lixj from 182.254.145.29 port 48627

fail2ban

Mar 10 10:16:31 ncomp sshd[8304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.144.64  user=root
Mar 10 10:16:33 ncomp sshd[8304]: Failed password for root from 159.65.144.64 port 44476 ssh2
Mar 10 10:22:34 ncomp sshd[8434]: Invalid user gzq from 159.65.144.64