alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE RezoStealer CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/index.php?ip="; content:"&user="; distance:0; content:"&localation="; distance:0; fast_pattern; content:"&windows="; distance:0; content:"&time="; distance:0; http.header_names; content:!"Referer"; reference:url,github.com/3xp0rt/RezoStealer/blob/master/FHwFvbCd/modules/SendToServer.cs; classtype:trojan-activity; sid:2030403; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_29, deployment Perimeter, malware_family RezoStealer, confidence High, signature_severity Major, updated_at 2020_06_29;)