alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY eBook Generator User-Agent (EBook)"; flow:established,to_server; http.user_agent; bsize:5; content:"EBook"; reference:url,malwr.com/analysis/a04b28e21adc70837eb7de811556ff4e/; reference:url,www.ebookgenerator.com/; classtype:policy-violation; sid:2014576; rev:4; metadata:created_at 2012_04_16, confidence High, signature_severity Informational, updated_at 2024_03_10;)