Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT CottonCastle/Niteris EK Landing URI Struct April 29 2015 M2"; flow:established,to_server; content:"GET"; http_method; content:"/5/"; http_uri; fast_pattern; content:"http|3a|/"; distance:0; http_uri; pcre:"/\/5\/[a-f0-9]{32}\/\x20*http\x3a\x2f/U"; classtype:exploit-kit; sid:2021034; rev:2; metadata:created_at 2015_04_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)