ET HUNTING SUSPICIOUS Possible Evil Download wsf Double Ext No Referer

Query · suricata

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|";
Raw source ET HUNTING SUSPICIOUS Possible Evil Download wsf Double Ext No Referer · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.