alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Malicous Macro DL EXE Jul 01 2016 (dll generic custom headers)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".dll"; http.header; content:"|0d 0a|accept-Encoding|3a 20|none|0d 0a|accept-Language|3a 20|en-US.q=0.8|0d 0a|Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"; fast_pattern; http.user_agent; content:"MSIE 7"; http.header_names; content:!"Referer|0d 0a|"; content:!"Cookie|0d 0a|"; reference:md5,62e7a146079f99ded1a6b8f2db08ad18; classtype:trojan-activity; sid:2022941; rev:5; metadata:affected_product MS_Office, attack_target Client_Endpoint, created_at 2016_07_01, deployment Perimeter, malware_family MalDocGeneric, performance_impact Low, confidence Medium, signature_severity Major, tag MalDoc, updated_at 2020_11_05;)