Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING SUSPICIOUS Possible Evil Download wsf Double Ext No Referer"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".wsf"; nocase; fast_pattern; pcre:"/\/[^\x2f]+\.[^\x2f]+\.wsf$/i"; http.header; content:!"User-Agent|3a 20 2a|"; classtype:trojan-activity; sid:2022271; rev:5; metadata:created_at 2015_12_17, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_08;)