ET MALWARE Putter Panda HTTPClient CnC HTTP Request

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/Microsoft"; nocase;
content:"/default.asp"; distance:0;
content:"?tmp="; fast_pattern;
pcre:"/\/default\.aspx?\?tmp=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Putter Panda HTTPClient CnC HTTP Request · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Putter Panda HTTPClient CnC HTTP Request";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/Microsoft"; nocase;
    content:"/default.asp"; distance:0;
    content:"?tmp="; fast_pattern;
    pcre:"/\/default\.aspx?\?tmp=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/";
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,resources.crowdstrike.com/putterpanda/;
    reference:md5,544fca6eb8181f163e2768c81f2ba0b3;
    classtype:command-and-control;
    sid:2018554; rev:6;
    metadata:created_at 2014_06_11, signature_severity Major, updated_at 2020_10_05;
)

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