Mar 10 10:43:31  sshd\[5215\]: User root from 220.117.115.10 not allowed because not listed in AllowUsersMar 10 10:43:33  sshd\[5215\]: Failed password for invalid user root from 220.117.115.10 port 33918 ssh2
...

Mar 10 10:27:46 dev sshd\[17395\]: Invalid user sniffer from 125.161.164.198 port 54865
Mar 10 10:27:47 dev sshd\[17395\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.161.164.198
Mar 10 10:27:49 dev sshd\[17395\]: Failed password for invalid user sniffer from 125.161.164.198 port 54865 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 09:02:44 ws26vmsma01 sshd[241375]: Failed none for invalid user alok from 192.169.190.48 port 20744 ssh2
...

$f2bV_matches

Mar 10 10:28:05 debian-2gb-nbg1-2 kernel: \[6091633.295199\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=14.243.115.254 DST=195.201.40.59 LEN=52 TOS=0x00 PREC=0x00 TTL=111 ID=16125 DF PROTO=TCP SPT=49719 DPT=8728 WINDOW=8192 RES=0x00 SYN URGP=0

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

Mar 10 10:50:37 h2779839 sshd[31232]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.175  user=root
Mar 10 10:50:39 h2779839 sshd[31232]: Failed password for root from 218.92.0.175 port 15881 ssh2
Mar 10 10:50:41 h2779839 sshd[31232]: Failed password for root from 218.92.0.175 port 15881 ssh2
Mar 10 10:50:37 h2779839 sshd[31232]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.175  user=root
Mar 10 10:50:39 h2779839 sshd[31232]: Failed password for root from 218.92.0.175 port 15881 ssh2
Mar 10 10:50:41 h2779839 sshd[31232]: Failed password for root from 218.92.0.175 port 15881 ssh2
Mar 10 10:50:37 h2779839 sshd[31232]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.175  user=root
Mar 10 10:50:39 h2779839 sshd[31232]: Failed password for root from 218.92.0.175 port 15881 ssh2
Mar 10 10:50:41 h2779839 sshd[31232]: Failed password for root fr
...

RO_AS8708-MNT_<177>1583832489 [1:2403430:55877] ET CINS Active Threat Intelligence Poor Reputation IP TCP group 66 [Classification: Misc Attack] [Priority: 2]:  {TCP} 79.113.143.208:9519

2020-03-10T10:25:14.085855v22018076590370373 sshd[1310]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.154.17
2020-03-10T10:25:14.077634v22018076590370373 sshd[1310]: Invalid user dolphin from 106.12.154.17 port 42718
2020-03-10T10:25:15.380524v22018076590370373 sshd[1310]: Failed password for invalid user dolphin from 106.12.154.17 port 42718 ssh2
2020-03-10T10:28:33.674847v22018076590370373 sshd[8890]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.154.17  user=root
2020-03-10T10:28:35.619954v22018076590370373 sshd[8890]: Failed password for root from 106.12.154.17 port 34960 ssh2
...

DATE:2020-03-10 10:25:46, IP:77.229.4.130, PORT:ssh SSH brute force auth on honeypot server (epe-honey1-hq)

(sshd) Failed SSH login from 112.85.42.94 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 10 10:23:58 amsweb01 sshd[29110]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.94  user=root
Mar 10 10:24:00 amsweb01 sshd[29110]: Failed password for root from 112.85.42.94 port 48382 ssh2
Mar 10 10:24:03 amsweb01 sshd[29110]: Failed password for root from 112.85.42.94 port 48382 ssh2
Mar 10 10:24:05 amsweb01 sshd[29110]: Failed password for root from 112.85.42.94 port 48382 ssh2
Mar 10 10:50:22 amsweb01 sshd[31943]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.94  user=root

Mar 10 09:28:48 *** sshd[2363]: Did not receive identification string from 159.192.227.80

Mar 10 14:28:40 gw1 sshd[24729]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.180.58.238
Mar 10 14:28:42 gw1 sshd[24729]: Failed password for invalid user onion from 94.180.58.238 port 55512 ssh2
...

Unauthorized IMAP connection attempt