ET WEB_SERVER Generic Webshell Accessed on Internal Compromised Server

Query · suricata

flow:established,to_client;
file.data;
content:"MARIJUANA</title>"; fast_pattern;
content:"|e2 80 94 20|DIOS|20 e2 80 94 20|NO|20 e2 80 94 20|CREA|20 e2 80 94 20|NADA|20 e2 80 94 20|EN|20 e2 80 94 20|VANO|20 e2 80 94|"; distance:0;
Raw source ET WEB_SERVER Generic Webshell Accessed on Internal Compromised 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 Generic Webshell Accessed on Internal Compromised Server";
    flow:established,to_client;
    file.data;
    content:"MARIJUANA</title>"; fast_pattern;
    content:"|e2 80 94 20|DIOS|20 e2 80 94 20|NO|20 e2 80 94 20|CREA|20 e2 80 94 20|NADA|20 e2 80 94 20|EN|20 e2 80 94 20|VANO|20 e2 80 94|"; distance:0;
    classtype:web-application-attack;
    sid:2034248; rev:1;
    metadata:affected_product HTTP_Server, attack_target Web_Server, created_at 2021_10_25, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_25;
)

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