alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Solr DataImport Handler Disclose Admin Cores"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/solr/admin/cores?_="; startswith; fast_pattern; content:"&indexInfo="; classtype:attempted-recon; sid:2033425; rev:1; metadata:attack_target Server, created_at 2021_07_26, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, updated_at 2021_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)