ET MALWARE Fake Microsoft Teams VBS Payload Inbound

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Fake Microsoft Teams VBS Payload Inbound";
    flow:established,to_client;
    http.response_body;
    content:"|3c|script|20|language|3d 22|VBScript|22 3e|";
    content:"|2d|NoProfile|20 2d|WindowStyle|20|Hidden";
    content:"start|2d|process|20 27|https|3a 2f 2f|azure|2e|microsoft|2e|com"; fast_pattern;
    content:"DownloadString";
    content:"|23|URL|3a 20|https|3a 2f 2f|teams|2e|microsoft|2e|com";
    reference:url,github.com/PaloAltoNetworks/Unit42-timely-threat-intel/blob/main/2025-01-22-IOCs-for-malware-from-fake-Microsoft-Teams-site.txt;
    classtype:command-and-control;
    sid:2059608; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_01_23, deployment Perimeter, confidence High, signature_severity Major, updated_at 2025_01_23;
    target:src_ip;
)