ET MALWARE GoldenSpy CnC Activity

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE GoldenSpy CnC Activity";
    flow:established,to_server;
    http.request_line;
    content:"POST /data/receive "; depth:19; fast_pattern;
    http.request_body;
    content:"ectid="; depth:6;
    content:"&taxCode="; distance:0;
    http.host;
    content:!"i-xinnuo.com"; endswith;
    reference:md5,be1a7bbc42d5d6f3a3270201906a68d9;
    reference:url,www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/the-golden-tax-department-and-the-emergence-of-goldenspy-malware/;
    classtype:command-and-control;
    sid:2030394; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_25, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_17;
)