ET MALWARE Blackenergy Bot Checkin to C&C

Query · suricata

flow:established,to_server;
http.method;
content:"POST"; nocase;
http.header;
content:"Cache-Control|3a| no-cache";
http.request_body;
content:"id=";
content:"&build_id="; fast_pattern;
pcre:"/id=x.+_[0-9A-F]{8}&build_id=./";
Raw source ET MALWARE Blackenergy Bot Checkin to C&C · Suricata
Esc
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 Blackenergy Bot Checkin to C&C";
    flow:established,to_server;
    http.method;
    content:"POST"; nocase;
    http.header;
    content:"Cache-Control|3a| no-cache";
    http.request_body;
    content:"id=";
    content:"&build_id="; fast_pattern;
    pcre:"/id=x.+_[0-9A-F]{8}&build_id=./";
    reference:url,asert.arbornetworks.com/2007/10/blackenergy-ddos-bot-analysis-available;
    classtype:command-and-control;
    sid:2007668; rev:18;
    metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_04_22;
)

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