alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Spartan EK Secondary Flash Exploit DL"; flow:established,to_client; http.header; header_lowercase; content:"content-disposition|3a 20|inline|3b 20|filename|3d 0d 0a|"; fast_pattern; file.data; content:"|3c 74 6f 70 70 69 6e 67 73 3e|"; reference:url,www.mysonicwall.com/sonicalert/searchresults.aspx?ev=article&id=854; classtype:exploit-kit; sid:2021762; rev:5; metadata:created_at 2015_09_12, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_27;)