alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT SPL2 EK Flash Exploit Nov 18 2014"; flow:established,to_server; http.uri; content:"/Drop2"; fast_pattern; startswith; content:".swf"; endswith; pcre:"/^\/Drop2(?:-\d+)\.swf$/"; classtype:exploit-kit; sid:2019745; rev:4; metadata:created_at 2014_11_19, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_19;)