Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT CottonCastle/Niteris EK SWF Exploit April 30 2015"; flow:established,to_client; flowbits:isset,ET.CottonCasle.Exploit; http.content_type; bsize:29; content:"application/x-shockwave-flash"; fast_pattern; file.data; content:"ZWS"; within:3; classtype:exploit-kit; sid:2021043; rev:4; metadata:created_at 2015_05_01, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_05;)