alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL ACTIVEX winhelp clsid attempt"; flow:from_server,established; content:"adb880a6-d8ff-11cf-9377-00aa003b7a11"; nocase; pcre:"/<OBJECT\s+[^>]*classid\s*=\s*[\x22\x27]?\s*clsid\s*\x3a\s*adb880a6-d8ff-11cf-9377-00aa003b7a11/si"; reference:bugtraq,4857; reference:cve,2002-0823; reference:url,www.ngssoftware.com/advisories/ms-winhlp.txt; classtype:attempted-user; sid:2103148; rev:6; metadata:created_at 2010_09_23, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)