ET ADWARE_PUP Win32/OfferCore Checkin M2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Win32/OfferCore Checkin M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/zbd";
    http.header;
    content:"Authorization|3a 20|Signature=";
    http.user_agent;
    content:"Mozilla/4.0|20 28|compatible|3b 20|Win32|3b 20|WinHttp.WinHttpRequest";
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    http.request_body;
    content:"|7b 22|table|22 3a 22|zb_analytics|22 2c 22|data|22 3a 22 7b|"; fast_pattern; startswith;
    reference:md5,60ba45cff3dbaaed74d7d63886c8957f;
    classtype:trojan-activity;
    sid:2053283; 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 TLSDecrypt, created_at 2024_06_06, deployment Perimeter, deployment SSLDecrypt, malware_family Offercore, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_06_06;
    target:src_ip;
)