ET PHISHING Successful Survey Credential Phish M2 2022-04-04

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING Successful Survey Credential Phish M2 2022-04-04";
    flow:established,to_server;
    http.request_line;
    content:"POST /survey/survey"; startswith; fast_pattern;
    http.referer;
    content:"/survey";
    content:"/source="; distance:0;
    content:"/subid="; distance:0;
    content:"/nrp="; distance:0;
    isdataat:!33,relative;
    pcre:"/\/nrp=[a-f0-9]{32}$/";
    http.request_body;
    content:"method=SetConversion&survey=";
    content:"&campaign="; distance:0;
    content:"&source=";
    content:"&subid=subid"; distance:0;
    content:"&tracking_id="; distance:0;
    classtype:credential-theft;
    sid:2036461; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_04, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_05;
)