alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT SunDown EK Landing Oct 03 2016"; flow:from_server,established; file_data; content:"|28 65 78 70 6c 6f 69 74 29|"; content:"|2e 65 78 65 63 28 69 6e 70 75 74 29 29 7b 72 65 74 75 72 6e 2d 31 7d 69 6e 70 75 74 3d 69 6e 70 75 74 2e 72 65 70 6c 61 63 65|"; content:"|6b 65 79 53 74 72|"; classtype:exploit-kit; sid:2023314; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_10_03, deployment Perimeter, malware_family SunDown, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit_Sundown, updated_at 2019_07_26;)