alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Control Panel Applet File Download"; flow:established,to_client; flowbits:isset,ET.http.binary; file.data; content:"CPlApplet"; fast_pattern; reference:url,msdn.microsoft.com/en-us/library/windows/desktop/bb776392%28v=vs.85%29.aspx; reference:url,web.archive.org/web/20140307231511/www.trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-cpl-malware.pdf; classtype:misc-activity; sid:2018087; rev:5; metadata:created_at 2014_02_07, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_07;)