ET MALWARE OrbitalBeam CnC Activity (Info)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE OrbitalBeam CnC Activity (Info)";
    flow:established,to_server;
    flowbits:set,ET.OrbitalBeamInfo;
    urilen:19;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/v1/Client/Info"; fast_pattern;
    http.header_names;
    content:"X-Request-ID|0d 0a|";
    http.header;
    content:"X-Request-ID|3a 20 0d 0a|";
    http.content_len;
    content:"80"; bsize:2;
    http.request_body;
    content:"Info|3a 20|"; startswith;
    pcre:"/^(?:[a-zA-Z0-9]{74})$/R";
    threshold:type limit,track by_src,count 1,seconds 300;
    classtype:trojan-activity;
    sid:2050010; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_01_11, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_11;
)