ET WEB_SERVER Leaf PHPMailer Accessed on Internal Server

Query · suricata

flow:established,to_client;
file.data;
content:"Leaf PHPMailer</title>"; fast_pattern;
content:"<li>[-email-] : <b>Reciver Email";
content:"<li>[-emailuser-] : <b>Email User";
Raw source ET WEB_SERVER Leaf PHPMailer Accessed on Internal Server · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (
    msg:"ET WEB_SERVER Leaf PHPMailer Accessed on Internal Server";
    flow:established,to_client;
    file.data;
    content:"Leaf PHPMailer</title>"; fast_pattern;
    content:"<li>[-email-] : <b>Reciver Email";
    content:"<li>[-emailuser-] : <b>Email User";
    classtype:web-application-attack;
    sid:2030016; rev:1;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_24, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_24;
)

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