alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Possible PurpleFox EK Framework Flash GET Request"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".swf"; endswith; http.host; content:"rawcdn.githack.com"; fast_pattern; startswith; endswith; http.cookie; content:"__cfduid="; startswith; http.header_names; strip_pseudo_headers; to_lowercase; content:"|0d 0a|accept|0d 0a|"; startswith; content:"|0d 0a|x-flash-version|0d 0a|"; distance:0; classtype:exploit-kit; sid:2028978; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_14, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_01;)