ET MALWARE Suspected Powershell Empire POST M1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Suspected Powershell Empire POST M1";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.cookie;
    content:"session="; depth:8;
    http.header_names;
    content:"Cookie|0d 0a|User-Agent|0d 0a|Host|0d 0a|";
    classtype:trojan-activity;
    sid:2027283; rev:5;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_04_25, deployment Perimeter, malware_family PowerShell_Empire, performance_impact Significant, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_04;
)