alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Adobe Shockwave rcsL Chunk Remote Code Execution Attempt"; flow:established,to_client; content:"rcsL"; content:"|FF F0 02 67|"; fast_pattern; distance:0; reference:url,www.abysssec.com/blog/2010/10/adobe-shockwave-player-rcsl-chunk-memory-corruption-0day/; reference:bid,42682; reference:cve,2010-2873; classtype:attempted-user; sid:2013069; rev:3; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2011_06_20, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, 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;)