ET MALWARE SysJoker Bot Registration (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE SysJoker Bot Registration (POST)";
    flow:established,to_server;
    urilen:8;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/add";
    http.content_type;
    content:"application/x-www-form-urlencoded";
    http.request_body;
    content:"uuid="; startswith;
    content:"&nu=";
    content:"&user_token="; fast_pattern;
    reference:url,research.checkpoint.com/2023/israel-hamas-war-spotlight-shaking-the-rust-off-sysjoker;
    reference:url,intezer.com/blog/research/wildcard-evolution-of-sysjoker-cyber-threat;
    classtype:trojan-activity;
    sid:2049302; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_27, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_27;
)