ET PHISHING Successful Generic Credential Phish 2022-03-02

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/index.aspx?code="; fast_pattern;
pcre:"/[a-z0-9]{32}/Ri";
http.content_len;
byte_test:0,>=,2000,0,string,dec;
http.request_body;
content:"__VIEWSTATE=";
content:"&__VIEWSTATEGENERATOR="; distance:2000;
Raw source ET PHISHING Successful Generic Credential Phish 2022-03-02 · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING Successful Generic Credential Phish 2022-03-02";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/index.aspx?code="; fast_pattern;
    pcre:"/[a-z0-9]{32}/Ri";
    http.content_len;
    byte_test:0,>=,2000,0,string,dec;
    http.request_body;
    content:"__VIEWSTATE=";
    content:"&__VIEWSTATEGENERATOR="; distance:2000;
    reference:md5,121de0ed6f4ec91eb75bae5ef1d9765b;
    classtype:credential-theft;
    sid:2035377; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_02;
)

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