alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE VikroStealer Retrieving Config"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/getSettings?user_id="; fast_pattern; http.header_names; content:!"Referer"; content:!"Accept"; content:!"User-Agent"; reference:md5,15c587698be36a72f4015b2758442e3c; classtype:command-and-control; sid:2030370; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_22, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2020_06_22;)