<185>Sep 21 02:30:32 WAFirewall CEF:0|Barracuda|WAF|1210|342|GEO_IP_BLOCK|1|cat=WF dst=222.198.174.236 dpt=443 act=DENY msg=[Known SSH Attack Source] duser="-" src=116.101.103.65 spt=43602 requestMethod=GET app=TLSv1.2 requestContext="-" start=Sep 21 2023 02:30:32  rt=1695281432816  request=/UnityPlayer.dll requestClientApplication="'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:101.0) Gecko/20100101 Firefox/101.0'" dvchost=WAFirewall externalId=18ab6a5c8f0-31fd066b cn2=43602 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=116.101.103.65 cs5Label=ProxyIP cs6="-" cs6Label=SessionID 

This is a syslog message from a product called Barracuda WAF by Barracuda. The following fields were extracted from the message:
action: block
clientport: 43602
facilitycode: 23
facilitylabel: local7
fqdn: /UnityPlayer.dll
localhostname: WAFirewall
localstarttime: 1695281432816 
messagetype: GEO_IP_BLOCK
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 443
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['RuleID:global', 'AttackGroup:Forceful Browsing', 'RuleType:GLOBAL', 'barracuda_waf', 'rfc3164', 'GEO_IP_BLOCK', 'cef', 'SessionID:-', 'FollowUpAction:NONE', 'ProxyIP:43.158.218.124', 'barracuda_waf_GEO_IP_BLOCK']
vendorcode: 342
streamName: barracuda_waf
clientIP: 116.101.103.65
serverIP: 222.198.174.236
userName: -