ET INFO Lucy Security - Admin Panel Accessed on Internal Server

Query · suricata

flow:established,to_client;
file_data;
content:"|20|system|2e|csrf|20 3d 20 22|";
content:"|22 3b 0a 20|"; distance:40; within:4;
content:"|20|system|2e|baseUrl|20 3d 20 22|"; within:100;
content:"|20|system|2e|uploadScnPDFUrl|20 3d 20 22|"; fast_pattern; within:2000;
content:"|20|system|2e|uploadScnTplPDFUrl|20 3d 20 22|"; within:200;
content:"|20|system|2e|appName|20 3d 20 22|"; within:200;
Raw source ET INFO Lucy Security - Admin Panel 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 INFO Lucy Security - Admin Panel Accessed on Internal Server";
    flow:established,to_client;
    file_data;
    content:"|20|system|2e|csrf|20 3d 20 22|";
    content:"|22 3b 0a 20|"; distance:40; within:4;
    content:"|20|system|2e|baseUrl|20 3d 20 22|"; within:100;
    content:"|20|system|2e|uploadScnPDFUrl|20 3d 20 22|"; fast_pattern; within:2000;
    content:"|20|system|2e|uploadScnTplPDFUrl|20 3d 20 22|"; within:200;
    content:"|20|system|2e|appName|20 3d 20 22|"; within:200;
    reference:url,lucysecurity.com/;
    classtype:bad-unknown;
    sid:2030992; rev:3;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_10_09, deployment Perimeter, malware_family Lucy, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_26;
)

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