alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Microsoft OLE Compound File With Flash"; flow:to_client,established; content:"CONTROL ShockwaveFlash.ShockwaveFlash"; flowbits:isset,OLE.CompoundFile; flowbits:set,OLE.WithFlash; classtype:protocol-command-decode; sid:2016395; rev:7; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2013_02_09, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26;)