ET WEB_SERVER AnonGhost PHP Webshell

Query · suricata

flow:from_server,established;
file_data;
content:"base64_decode(";
content:"Bbm9uR2hvc3Qg"; fast_pattern;
Raw source ET WEB_SERVER AnonGhost PHP Webshell · 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 -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER AnonGhost PHP Webshell";
    flow:from_server,established;
    file_data;
    content:"base64_decode(";
    content:"Bbm9uR2hvc3Qg"; fast_pattern;
    classtype:trojan-activity;
    sid:2023143; rev:2;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2016_09_01, deployment Datacenter, performance_impact Low, signature_severity Major, updated_at 2019_07_26;
)

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