ET WEB_SERVER Perl/Mambo.WebShell Spreader IRC No Open Ports Message

Query · suricata

flow:established,to_server;
content:"PRIVMSG|20|";
content:"No open ports found"; fast_pattern; within:50;
Raw source ET WEB_SERVER Perl/Mambo.WebShell Spreader IRC No Open Ports Message · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HTTP_SERVERS any -> $EXTERNAL_NET any (
    msg:"ET WEB_SERVER Perl/Mambo.WebShell Spreader IRC No Open Ports Message";
    flow:established,to_server;
    content:"PRIVMSG|20|";
    content:"No open ports found"; fast_pattern; within:50;
    classtype:trojan-activity;
    sid:2017830; rev:1;
    metadata:created_at 2013_12_10, signature_severity Major, updated_at 2019_07_26;
)

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