ET WEB_CLIENT Leaf PHPMailer Accessed on External Server

Query · suricata

flow:established,to_client;
file.data;
content:"V5 PHPMailer</title>"; fast_pattern;
content:"for=|22|senderName|22|>Sender Name</label>";
content:"type=|22|file|22 20|name=|22|attachment[]|22 20|id=|22|attachment[]|22|";
Raw source ET WEB_CLIENT Leaf PHPMailer Accessed on External 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Leaf PHPMailer Accessed on External Server";
    flow:established,to_client;
    file.data;
    content:"V5 PHPMailer</title>"; fast_pattern;
    content:"for=|22|senderName|22|>Sender Name</label>";
    content:"type=|22|file|22 20|name=|22|attachment[]|22 20|id=|22|attachment[]|22|";
    classtype:web-application-attack;
    sid:2032078; rev:2;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2021_03_16, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_16;
)

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