ET MALWARE IP Grabber CnC Activity

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE IP Grabber CnC Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/datarecord/"; endswith;
    http.request_body;
    content:"username="; startswith;
    content:"&content=IP%3a+"; distance:0; fast_pattern;
    content:"%0a"; endswith;
    reference:md5,635b08c141465abf86eaec88391b5ee6;
    classtype:command-and-control;
    sid:2030599; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_14;
)