ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server

Query · suricata

flow:established,to_client;
file.data;
content:"Cylul007 Webshell V 2.0</title>"; fast_pattern;
Raw source ET WEB_CLIENT Generic Webshell Accessed on External 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server";
    flow:established,to_client;
    file.data;
    content:"Cylul007 Webshell V 2.0</title>"; fast_pattern;
    classtype:web-application-attack;
    sid:2034247; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, 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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