alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET ACTIVEX Black Ice Fax Voice SDK GetFirstItem Method Remote Code Execution Exploit"; flow:to_client,established; content:"<OBJECT "; nocase; content:"classid"; nocase; distance:0; content:"CLSID"; nocase; distance:0; content:"2E980303-C865-11CF-BA24-444553540000"; nocase; distance:0; content:".GetFirstItem"; nocase; pcre:"/<OBJECT\s+[^>]*classid\s*=\s*[\x22\x27]?\s*clsid\s*\x3a\s*\x7B?\s*2E980303-C865-11CF-BA24-444553540000/si"; reference:url,exploit-db.com/exploits/17416; classtype:attempted-user; sid:2013132; rev:2; metadata:created_at 2011_06_29, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)