alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT RIG EK Broken/Filtered Payload Download Jun 19 2017"; flow:established,from_server; http.header; content:"Content-Length|3a 20|8|0d 0a|"; fast_pattern; file.data; content:"|6e 6f 62 69 6e 72 65 74|"; within:8; endswith; classtype:exploit-kit; sid:2024414; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_06_19, deployment Perimeter, malware_family Exploit_Kit_RIG, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_09_14;)