alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Metabase Local File Inclusion Inbound (CVE-2021-41277)"; flow:established,to_server; http.uri; content:"/api/geojson?url=file|3a 2f|"; fast_pattern; reference:url,github.com/0x0021h/expbox/blob/main/CVE-2021-41277.yaml; reference:cve,2021-41277; classtype:attempted-admin; sid:2034518; rev:1; metadata:attack_target Server, created_at 2021_11_22, cve CVE_2021_41277, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag LFI, tag RFI, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)