alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS HikVision upload.action JSP Webshell Upload Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:37; content:"/eps/resourceOperations/upload.action"; fast_pattern; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name|3d 22|fileUploader|22 3b|"; content:"filename|3d 22|"; within:20; content:".jsp|22|"; within:50; content:"Content-Type|3a 20|"; within:40; content:"|3c 25|"; within:20; reference:url,github.com/PeiQi0/PeiQi-WIKI-Book/tree/main/docs/wiki/iot; classtype:attempted-admin; sid:2063296; 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, 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;)