ET MALWARE Win32/SSLoad Tasking Result

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/SSLoad Tasking Result";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/"; startswith;
    pcre:"/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}/R";
    content:"/result"; endswith;
    http.referer;
    content:"|2a 2f 2a|"; bsize:3;
    http.content_type;
    content:"application/json"; bsize:16;
    http.request_body;
    content:"|7b 22|job_id|22 3a 22|"; startswith; fast_pattern;
    pcre:"/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}/R";
    content:"|22 2c 22|result|22 3a 22|"; within:49;
    pcre:"/^[a-zA-Z0-9+/=]{10}/R";
    reference:md5,d6b0726de53f8a3da67a6e693485ca7a;
    reference:md5,ca303668b5420c022ef9c78ce1f2bfb7;
    classtype:trojan-activity;
    sid:2052168; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_04_18, deployment Perimeter, malware_family SSLoad, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_04_18, reviewed_at 2025_07_14;
    target:src_ip;
)