alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT RIG EK URI Struct Jun 13 2017"; flow:established,to_server; urilen:>90; flowbits:set,ET.RIGEKExploit; http.uri; content:"/?"; depth:2; content:"=x"; fast_pattern; distance:0; pcre:"/^[HX3][^&]Q[cdM][^&]{3}[ab]R/R"; http.header_names; content:!"Cookie|0d 0a|"; classtype:exploit-kit; sid:2024381; rev:5; 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_13, deployment Perimeter, malware_family Exploit_Kit_RIG, performance_impact Moderate, confidence High, signature_severity Major, tag Exploit_kit_RIG, updated_at 2024_05_04;)