alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Kibana Prototype Pollution RCE Inbound (CVE-2019-7609)"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/api/timelion/run"; fast_pattern; http.request_body; content:"|7b 22|sheet|22|"; startswith; content:".__proto__."; content:"child_process"; distance:0; content:".exec|28|"; distance:0; reference:url,github.com/mpgn/CVE-2019-7609; reference:cve,2019-7609; classtype:attempted-admin; sid:2033452; rev:1; metadata:created_at 2021_07_27, cve CVE_2019_7609, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_27;)