ET MALWARE Latrodectus Alive Request (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Latrodectus Alive Request (GET)";
    flow:established,to_server;
    flowbits:set,ET.Latrodectus.alive;
    flowbits:noalert;
    urilen:10;
    http.method;
    content:"GET";
    http.uri;
    content:"/alive.php"; fast_pattern;
    http.header_names;
    content:!"Referer";
    classtype:trojan-activity;
    sid:2049231; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2023_11_15, deployment Perimeter, malware_family Latrodectus, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_12_15, reviewed_at 2024_04_15;
    target:src_ip;
)