ET PHISHING Generic Credential Phish Landing Page 2022-10-03

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING Generic Credential Phish Landing Page 2022-10-03";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/?email="; startswith;
    content:"&response_type=code"; distance:0;
    content:"&scope="; distance:0;
    content:"&state=OpenIdConnect.AuthenticationProperties"; distance:0;
    content:"&response_mode=form_post&nonce="; distance:0; fast_pattern;
    content:"&redirect_uri=";
    content:"admin.microsoft.com"; distance:0;
    content:"landing"; distance:0;
    content:"&mkt="; distance:0;
    content:"&client-request-id="; distance:0;
    content:"&x-client-SKU="; distance:0;
    content:"&x-client-ver="; distance:0;
    content:"&sso_reload=trueSSSSSSS"; endswith;
    content:!"&client_id=";
    classtype:credential-theft;
    sid:2039081; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_10_03, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_03;
)