alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE MWI Maldoc Stats Callout Aug 18 2015";
flow:established,to_server;
http.uri;
content:"/im";
content:"?id=";
pcre:"/\/im(?:g\.(?:jpg|php)|age\.php)\?id=\d+(?:(?:&data=|&bid=)[^&]*?)?$/";
http.user_agent;
content:"office"; nocase; fast_pattern;
pcre:"/ms-?office/";
http.host;
content:!".money-media.com";
content:!"ad.payclick.it";
content:!"sellercore.com";
reference:md5,2c9f2a84a346e29c3b262ca1d2d2f123;
classtype:trojan-activity;
sid:2021690; rev:8;
metadata:created_at 2015_08_19, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_24;
)