ET RETIRED Win32/Spy.Delf.QTL Data Exfiltration Attempt

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET RETIRED Win32/Spy.Delf.QTL Data Exfiltration Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"gate";
    pcre:"/^[a-f0-9]{12}/R";
    content:".php"; endswith;
    http.header_names;
    content:!"Referer";
    content:!"User-Agent";
    http.request_body;
    content:"text=%0D%0A%3C%2Ftextarea%3E"; fast_pattern; startswith;
    reference:md5,d7186f603cb439c86bf5f9ee767a62a0;
    classtype:trojan-activity;
    sid:2038999; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_09_26, deployment Perimeter, former_category MALWARE, malware_family Win32_Spy_Delf_QTL, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_18, reviewed_at 2024_09_18;
)