alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Blackhole Java applet with obfuscated URL Feb 04 2012"; flow:established,from_server; file_data; content:"applet"; content:"Ojj"; within:300; content:"Dyy"; within:300; classtype:bad-unknown; sid:2016341; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_02_05, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;)