ET MALWARE Observed Possible PowerSploit/PowerView .ps1 Inbound

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Observed Possible PowerSploit/PowerView .ps1 Inbound";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"PowerSploit File|3a 20|PowerView.ps1"; within:200; fast_pattern;
    content:"function New-InMemoryModule"; distance:0;
    isdataat:5000,relative;
    classtype:trojan-activity;
    sid:2029275; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_14, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2020_01_14;
)