alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING 302 Redirect to Microsoft Edge Browser"; flow:established,to_client; http.stat_code; content:"302"; http.header; content:"|0d 0a|location|3a 20|microsoft|2d|edge|3a|http"; nocase; fast_pattern; threshold:type limit,count 1,seconds 300,track by_src; classtype:misc-activity; sid:2068325; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_03_18, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Informational, updated_at 2026_03_18; target:dest_ip;)