Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Possible Adobe Reader and Acrobat Forms Data Format Remote Security Bypass Attempt"; flow:established,to_client; content:"|0d 0a|%FDF-"; depth:600; content:"/F(JavaScript|3a|"; nocase; distance:0; reference:url,www.securityfocus.com/bid/37763; reference:cve,2009-3956; reference:url,www.stratsec.net/files/SS-2010-001_Stratsec_Acrobat_Script_Injection_Security_Advisory_v1.0.pdf; classtype:attempted-user; sid:2010664; rev:6; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, cve CVE_2009_3956, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_09_27;)