ET MALWARE WarHawk/Spyder Activity (Deploy) M1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE WarHawk/Spyder Activity (Deploy) M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.user_agent;
    content:"Base/1.0"; endswith;
    http.content_len;
    byte_test:0,=,62,0,string,dec;
    http.header_names;
    content:!"Referer";
    http.request_body;
    content:"hwid="; startswith;
    pcre:"/^[A-Za-z0-9+/=]{48}/PR";
    content:"deploy=1"; distance:0; fast_pattern;
    threshold:type limit, seconds 300, count 1, track by_src;
    reference:url,twitter.com/jaydinbas/status/1653361390491430915;
    reference:md5,87d94635372b874f18acb3af7c340357;
    classtype:command-and-control;
    sid:2045297; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_05_02, deployment Perimeter, malware_family WarHawk, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_12, reviewed_at 2025_07_14;
    target:src_ip;
)