<185>Jun  6 06:02:30 WAFirewall CEF:0|Barracuda|WAF|1220|159|OS_CMD_INJECTION_IN_PARAM|1|cat=WF dst=144.82.63.241 dpt=443 act=DENY msg=[type\="os-command-injection" pattern\="misc-commands-injections" token\=" /etc/" Parameter\="name" value\="..#context.setMemberAccess(#dm)))).(#cmd\='cat /etc/passwd').(#iswin\=(@java.lang.System@getPrope.."] duser="-" src=83.35.184.210 spt=37816 requestMethod=POST app=TLSv1.3 requestContext="-" start=Jun 06 2024 06:02:30  rt=1717671750447  request=/ requestClientApplication="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/9.1.2 Safari/605.1.15" dvchost=WAFirewall externalId=18fed36eb2f-d9a8297 cn2=37816 cn2Label=ProxyPort cs1=security-policy cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Injection Attacks cs4Label=AttackGroup cs5=83.35.184.210 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: 37816
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1717671750447 
messagetype: OS_CMD_INJECTION_IN_PARAM
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 443
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['RuleType:GLOBAL', 'barracuda_waf_OS_CMD_INJECTION_IN_PARAM', 'barracuda_waf', 'FollowUpAction:NONE', 'OS_CMD_INJECTION_IN_PARAM', 'AttackGroup:Injection Attacks', 'rfc3164', 'cef', 'ProxyIP:64.23.234.67', 'RuleID:security-policy', 'SessionID:-']
vendorcode: 159
streamName: barracuda_waf
clientIP: 83.35.184.210
serverIP: 144.82.63.241
userName: -