alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT QNAP Photo Station Path Traversal Attempt Inbound (CVE-2019-7195)"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/photo/p/api/video.php"; fast_pattern; http.request_body; content:"filename|27 3a 20 27|"; content:"./."; distance:0; within:4; reference:cve,2019-7195; classtype:attempted-admin; sid:2038698; rev:1; metadata:created_at 2022_08_31, cve CVE_2019_7195, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_31, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery; target:dest_ip;)