alert http $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET ACTIVEX ACTIVEX IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Vulnerability"; flow:to_client,established; content:"CLSID"; nocase; content:"F8984111-38B6-11D5-8725-0050DA2761C4"; nocase; distance:0; content:"ImShExt.dll"; nocase; content:"DoWebMenuAction"; nocase; content:"INCREDISHELLEXTLib.IMMenuShellExt"; nocase; content:"String"; nocase; distance:0; pcre:"/[0-9]{3,}/"; reference:url,www.milw0rm.com/exploits/3877; reference:bugtraq,23674; reference:cve,CVE-2007-1683; classtype:web-application-attack; sid:2007931; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Major, tag ActiveX, updated_at 2019_07_26;)