Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Magnitude EK Flash Payload ShellCode Apr 23 2015"; flow:established,from_server; file_data; content:"urlmon.dll|00|http|3a 2f|"; pcre:"/^\x2f+\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\x2f\??[a-f0-9]+\x7chttp\x3a\x2f/Rs"; classtype:exploit-kit; sid:2021054; rev:2; metadata:created_at 2015_05_04, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)