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;)