alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Skype FindCountriesByNamePattern property Buffer Overflow Attempt"; flow:to_client,established; file_data; content:"<OBJECT "; nocase; content:"classid"; nocase; distance:0; content:"CLSID"; nocase; distance:0; content:"22C83263-E4B8-4233-82CD-FB047C6BF13E"; nocase; distance:0; content:".FindCountriesByNamePattern"; nocase; pcre:"/<OBJECT\s+[^>]*classid\s*=\s*[\x22\x27]?\s*clsid\s*\x3a\s*\x7B?\s*22C83263-E4B8-4233-82CD-FB047C6BF13E/si"; reference:url,garage4hackers.com/f43/skype-5-x-activex-crash-poc-981.html; classtype:web-application-attack; sid:2013462; rev:3; metadata:created_at 2011_08_26, confidence High, signature_severity Major, updated_at 2019_07_26;)