alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Request to AI Image Generation Service"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/generations/"; startswith; pcre:"/^[a-f0-9]-[a-f0-9]{8}-(?:[a-f0-9]{4}-){3}[a-f0-9]{12}/R"; content:".png"; endswith; http.host; content:"stablediffusionapi.com"; fast_pattern; endswith; classtype:misc-activity; sid:2052707; rev:1; metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_16, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_05_16; target:src_ip;)