Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT CritX/SafePack/FlashPack SilverLight Secondary Landing"; flow:established,from_server; file_data; content:"/x-silverlight-2"; content:"aHR0cDov"; distance:0; pcre:"/^[A-Za-z0-9\+\/]+(?:(?:LmVvdA=|5lb3Q)=|uZW90)[\x22\x27]/Rsi"; content:".eot"; classtype:exploit-kit; sid:2018236; rev:2; metadata:created_at 2014_03_08, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)