ET INFO Suspected Phishing Simulation Service Activity

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"action|3d 22 2e 2f|index.aspx?code="; fast_pattern;
content:"id=|22|form1|22 3e|"; distance:0;
content:"YOU'VE BEEN <br |2f|>PHISHED!<|2f|span>"; distance:0;
content:"Company-wide simulation|20|"; distance:0;
content:"PLEASE DO NOT TELL YOUR <br |2f|>CO-WORKERS ABOUT THIS <br |2f|>PHISHING SIMULATION";
target:dest_ip;
Raw source ET INFO Suspected Phishing Simulation Service Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET INFO Suspected Phishing Simulation Service Activity";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"action|3d 22 2e 2f|index.aspx?code="; fast_pattern;
    content:"id=|22|form1|22 3e|"; distance:0;
    content:"YOU'VE BEEN <br |2f|>PHISHED!<|2f|span>"; distance:0;
    content:"Company-wide simulation|20|"; distance:0;
    content:"PLEASE DO NOT TELL YOUR <br |2f|>CO-WORKERS ABOUT THIS <br |2f|>PHISHING SIMULATION";
    classtype:social-engineering;
    sid:2040137; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_11_28, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_28;
    target:dest_ip;
)

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