alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING MageCart 404 COOKIE_ANNOT"; flow:established,to_client; http.response_body; content:"requirejs"; content:"new|20|self|5b 28|typeof|20|alert|29 2e|replace"; distance:0; content:"|2e|match|28 2f|COOKIE|5f|ANNOT|3a 3a|"; distance:0; fast_pattern; reference:url,www.akamai.com/blog/security-research/magecart-new-technique-404-pages-skimmer; classtype:credential-theft; sid:2048531; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_10_10, deployment Perimeter, deployment SSLDecrypt, malware_family MageCart, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_10;)