alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS HikVision triggerSnapshot fileUrl Parameter Arbitrary File Download Attempt"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/eps/api/triggerSnapshot/download|3f|"; fast_pattern; startswith; content:"token|3d|"; content:"fileUrl|3d|file|3a 2f 2f|"; content:"filename|3d|"; reference:url,github.com/PeiQi0/PeiQi-WIKI-Book/tree/main/docs/wiki/iot; classtype:attempted-admin; sid:2063283; rev:1; metadata:affected_product HikVision, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_03, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)